Why Does D&D Use a D20? (and which game used it first?)

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Oh, you're a "dice goblin"? Then how did the first polyhedral dice make their way into RPGs like Dungeons & Dragons?? ▶️ More below! ⏬
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Пікірлер: 387

  • @arlibrarian
    @arlibrarian5 ай бұрын

    Clearly, the ancient Egyptians used the dice in their variant of duel monsters.

  • @sky0kast0

    @sky0kast0

    5 ай бұрын

    If only

  • @stewi009

    @stewi009

    5 ай бұрын

    How do you think ancient peoples came up with shit like "Griffons" in the first place?!

  • @Mantorp86

    @Mantorp86

    5 ай бұрын

    I thought they used battle cards with monster

  • @waifusmith4043

    @waifusmith4043

    5 ай бұрын

    They dueled their monsters in the dungeon because they couldn't find their dice and they were out of capsules

  • @fal_pal_

    @fal_pal_

    5 ай бұрын

    I believe they were called shadow games

  • @chthonicmusings188
    @chthonicmusings1885 ай бұрын

    It's interesting that in the Futurama clip Gygax rolls a d20 and a d6. It reminded me that back in the day the d20 weren't numbered 1 to 20. There were numbered 0 - 9 twice. The dice could be used for percentile rolls as d10 are used today. When used as a 1 - 20 number generator, the 0 would be treated as 10 and some method used to determine whether the result was 1 - 10 or 11 - 20. Some people colored one set of 0 - 9 with crayon or marker to denote that these numbers represented 11 - 20, but others, like myself, would roll a d6 along with the d20 and on a 4 -6, add 10 to the number on the d20 to get 11 - 20.

  • @cctmsp13

    @cctmsp13

    5 ай бұрын

    Early use of a D20 marked 0-9 twice was due to the lack of a 10-sided regular polyhedron. Since early dice sets were based on the regular polyhedron, the (irregular) trapezohedron D10s we're used to today weren't widely available.

  • @davidmartensson273

    @davidmartensson273

    5 ай бұрын

    I used to have a pair of such d20, numbered 0-9, I loved them doing d100 rolls but unfortunately I have lost one of them during the years and not ever found any shop selling the model with just 0-9 again :/

  • @robertfitzjohn4755

    @robertfitzjohn4755

    5 ай бұрын

    I just posted exactly the same observation in a FB gaming group, along with a photo of my original (1980) orange d6 and white d20, as shown in the Futurama clip. Great minds think alike, eh?

  • @CorwinAlexander

    @CorwinAlexander

    5 ай бұрын

    A pair of dodecahedron numbered 0-9 twice were called "randomisers". They were used as d20s by having the second roll even/odd or high/low to determine adding 0 or 10 to the other die's result, or as percentile dice as we use the irregular d10s today. There were other randomiser solutions too. Basically, d4s were irrelevant since it's basically just a d20 divided by five. D6s could be randomised simply by rerolling any result that didn't fall in the range 1-6. Same with d8s.

  • @WalkaCrookedLine

    @WalkaCrookedLine

    5 ай бұрын

    My group just used model paint to distinguish the two 0-9 ranges. We had plenty of paint on hand for painting the miniature figures also used in the game. Sometimes we'd paint the 20 a third color so critical hits would stand out. I am doubtful crayon would stick well enough to give a good result. I don't remember colored markers being common in the 1970s.

  • @steppeone
    @steppeone5 ай бұрын

    Fun fact: critical hits with a d20 was lifted by AD&D from Empire of the Petal Throne. Great short video, Bob.

  • @BobWorldBuilder

    @BobWorldBuilder

    5 ай бұрын

    Interesting! I've always heard it was a house rule from D&D players. I guess in any case, it was a house rule first

  • @steppeone

    @steppeone

    5 ай бұрын

    @@BobWorldBuilder it probably was, in the same way EPT took its rules from Original D&D. It really was such an interesting time in gaming.

  • @steppeone

    @steppeone

    5 ай бұрын

    @@BobWorldBuilder EPT probably deserves to be forgotten anyway, for reasons that probably go without saying to people who know anything about its creator.

  • @Salsmachev

    @Salsmachev

    5 ай бұрын

    @@steppeone What's the deal with the creator? Pretty much all I know about EPT is that it's the quirky conlang rpg.

  • @gbnilsson6212

    @gbnilsson6212

    5 ай бұрын

    ​@steppeone It should be mentioned that whenever you buy a tekumel product from drivethrurpg part of the proceeds are donated to charity. Personally I think Tekumel is very cool (and original) and certainly deserves to be remembered even though it's creator was an awful human being.

  • @jasonfauci-wills1094
    @jasonfauci-wills10945 ай бұрын

    My first D&D box set from the 80s came with 5 dice and 2 crayons, there was no 10 sided die and the d20 had 0-9 twice. You the purchaser were to color the sides of each die with the crayons then wipe the face off with a napkin to leave the wax in the numbers, then when rolling the d20 you would have to declare "the red is high" or such before rolling to determine if you had rolled a 5 or a 15.

  • @jamesmurphy449

    @jamesmurphy449

    4 ай бұрын

    I remember the $3 crayons they sold at the hobby shop... and I also remember using my nephew's crayolas and spending my money on Ral Partha miniatures instead.

  • @TheRealRedAce

    @TheRealRedAce

    4 ай бұрын

    I used to use model paint and wipe it off the dice face when wet, to leave it in the numbers.

  • @nctinman8775
    @nctinman87755 ай бұрын

    I have the dice I bought in 1978 from a "Head Shop". We had to use nail polish on 10 sides of the d20 to denote Hi and Low as the numbers went from 0-9.

  • @Salsmachev
    @Salsmachev5 ай бұрын

    A crucial detail is that Gygax liked the funny dice because they represented a way to make people buy more stuff. If I recall correctly, they actually intentionally made the first d&d dice with cheaper plastic so that the corners would wear off and people would have to buy more dice. Gygax was, above all, a businessman- and a rather monopolistic one at that.

  • @BobWorldBuilder

    @BobWorldBuilder

    5 ай бұрын

    I'm sure that's true in some way haha, people certainly spend a lot of money on dice today! My understanding is that the original cheap plastic dice were chosen simply because they were cheap, not that they knew they'd wear out quickly. I think we'd still see incredibly cheap quick-wearing dice today if that were the case.

  • @Alleister207

    @Alleister207

    5 ай бұрын

    And Wizards of the Coast/Hasbro are keeping his spirit alive to this day, how nice of them! :D

  • @Salsmachev

    @Salsmachev

    5 ай бұрын

    @@BobWorldBuilder My understanding was that the idea basically failed because people preferred to use crappy worn out dice rather than buy new ones. Of course, nowadays, your dice are a status symbol. Nobody wants to be the only person at the table without iridescent titanium oxide dice or whatever.

  • @LordJazzly

    @LordJazzly

    5 ай бұрын

    Undoubtedly! They also helped people market the game to friends, both actively and passively, since outside of mathematics (and possibly classical philosophy) nobody really has sets of platonic solids lying around, even today. Except role-playing gamers.

  • @owenbloomfield1177

    @owenbloomfield1177

    5 ай бұрын

    When I was growing and playing a lot of RPGs in the 80s dice sets were tricky to come by. All my dice came from the the different boxed systems I'd buy. Needless to say I had a lot of d10s because everything was a percentile system.

  • @johnorange1044
    @johnorange10445 ай бұрын

    I was a well established historical wargamer when I first encountered D&D in 1974. At the time, 20 sided dice numbered 0-9 twice, sold in one black (tens) and one red (units) pairs, were known as Percentage Dice, and widely used in UK rules, particularly for skirmish games and micro-armour games. I remember them in TableTop Games Western Gunfight rules, plus Leicester MIcro-Armour's 1/300th WW2 rules, and several others.

  • @captcorajus
    @captcorajus5 ай бұрын

    The original polyhedral dice that TSR used were from the scientific supply company Creative Publications. There were two issues with these dice. The first being that the "D20" was actually a "D10" i.e. it was number 1 to 0 twice. Early players either colored in the number two different colors with the 2nd color representing 11-20 or.. rolling a d6 with the d20 and 4-6 meant reading the result as the 10s, the 2nd being that they were made of a soft plastic and after a lot of use the edges would 'wear away'. I had a friend whose d20 rolled like a marble. 🤣Jokingly, gamers referred to them as 'Low Impact dice". Later on when Lou Zocchi produced his Game Science dice, he advertised them as "High Impact Dice." In addition, the popularity of the Holmes Boxed set resulted in a dice shortage, and for a time TSR included 'Chits' to put into a cup to get the expected results in the game and a coupon to send away for polyhedral dice.

  • @shadomain7918

    @shadomain7918

    5 ай бұрын

    I was there, Gandalf, 3000 years ago...

  • @Snoil

    @Snoil

    5 ай бұрын

    I had to send the form in for the dice when I got my Holmes set. Wish I'd kept the chits though!

  • @tasty_wind4294

    @tasty_wind4294

    5 ай бұрын

    I want a couple solid white 0-9 D20s so bad!

  • @coryhoggatt7691

    @coryhoggatt7691

    5 ай бұрын

    The “dice shortage” was caused by the oil embargo in the ‘70s.

  • @LordofSyn

    @LordofSyn

    5 ай бұрын

    Aye, I remember all of this clearly. Then the religious right started claiming we were all going to hell and demonized an entire creative industry. Yay.

  • @southron_d1349
    @southron_d13495 ай бұрын

    You filled in a couple of gaps for me, but I knew that the "maths rocks" were literally that once. There was something called the Royal Game of Ur which was a race game which used d4s. Which makes the d4 around 5,000 years old.

  • @BobWorldBuilder

    @BobWorldBuilder

    5 ай бұрын

    Yeah most of the other platonic solid dice are much older than the d20!

  • @stewi009

    @stewi009

    5 ай бұрын

    They also doubled as caltrops in times of war *nods sagely*

  • @OmneAurumNon

    @OmneAurumNon

    5 ай бұрын

    They're not exactly d4s. There are two marked sides and two blank sides. So the outcome is more like flipping a coin. You either get a one or a zero

  • @FunkThompson

    @FunkThompson

    5 ай бұрын

    @@OmneAurumNonWell, it's the shape of the die moreso than the markings. Many dice exist without numbers, again going back to ancient times or the other early modern instances here. And also why spinners or coin flips or drawing cards for high / low or the like are not seen in the same light; despite in essence doing the same function.

  • @RaginKavu

    @RaginKavu

    5 ай бұрын

    Dude, the pyramids are nothing but giant D4s. I bet their original exterior had numbers painted or built with coloured rocks.

  • @Mr.RobotHead
    @Mr.RobotHead5 ай бұрын

    Nice video, with lots of cool history! Also of note is that the Magic 8 Ball debuted with a d20 inside in 1950. The d12 is the King of Dice, though, as it can represent 1/4 and 1/3 in whole numbers. Also it rolls quite nicely, so we should be using 12-sided d6 (with 1-6 twice) and d4 (with 1-4 thrice) for a better illusion of randomness.

  • @MUNTraiano
    @MUNTraiano5 ай бұрын

    in the book "Rise of the Dungeon Master: Gary Gygax and the Creation of D&D" it is said that originally the rules said to use a bag with 20 numbered chips inside a pick one out, then when gary discovered the existence of the icosaedron he changed the rules to that dice.

  • @DungeonMasterpiece
    @DungeonMasterpiece5 ай бұрын

    This is a hell of a history video

  • @TwinSteel
    @TwinSteel5 ай бұрын

    It’s good to hear you giving Dave some of the credit he deserves for creating D&D

  • @TimeLapsePrints

    @TimeLapsePrints

    5 ай бұрын

    Among others I had never heard of. Gary has become to D&D what Stan was to Marvel, but worse.

  • @amelialonelyfart8848

    @amelialonelyfart8848

    5 ай бұрын

    @@TimeLapsePrints There's also Ed Greenwood, which while not a writer for the rules or anything, was the creator of the Forgotten Realms which became the 'main' D&D setting over time, so he can be sort of considered a co-creator in a way.

  • @DavidClunie

    @DavidClunie

    5 ай бұрын

    Ed Greenwood can NOT be considered a co-creator of d&d he wasnt around for d&ds origin and came later with the forgotten realms bs, only reason it became the defacto campaign setting is because both Dave and Gary ended up leaving T$R (or were forced out) and took the rights to their campaign settings so T$R needed a default "high magic" fantasy setting, so cue up the direct ripoff of Tolkiens world eliminster = gandalf anyone? Sheesh...

  • @amelialonelyfart8848

    @amelialonelyfart8848

    5 ай бұрын

    @@DavidClunie Like it or not, Ed Greenwood's writings have become the basis of D&D's most popular works for arguably decades at this point. When a lot of newer people think about D&D, they think about Greenwood's work.

  • @kolardgreene3096

    @kolardgreene3096

    5 ай бұрын

    @@DavidClunie T$R? What year is it, 2004?

  • @Turabbo
    @Turabbo5 ай бұрын

    That was awesome! That cool ancient Greek dice at the end is so cool! Feels kinda time-travellery.

  • @TrojanManSCP
    @TrojanManSCP5 ай бұрын

    The five shapes (pyramid d4, d6, d10, d12, and d20) are the only regular polyhedrons definable as "platonic solids" (requiring, among other features, all faces to be congruent and themselves a regular polygon) that can exist. There are "fair dice" of different numbers of faces, but none of them will follow the same rules of form. Note the 'teetotum,' barrel dice, mixed polygonal dice, chamfered multifaceted, etc as potentially statistically fair but of a notably different form. The reason those five shapes were in the educational supply catalog is because they share this unique and interesting property, thus being coveted by math nerds.

  • @stefanatic82

    @stefanatic82

    5 ай бұрын

    Not d10 but d8!

  • @TrojanManSCP

    @TrojanManSCP

    5 ай бұрын

    @@stefanatic82 No way, how did I do that?! Being an honorable man, I shall not edit but leave evidence of my fallibility. Thank you and mark inspiration.

  • @stefanatic82

    @stefanatic82

    5 ай бұрын

    @@TrojanManSCP thanks for your reply and the inspiration, I shall use it wisely ;)

  • @SimoExMachina2

    @SimoExMachina2

    5 ай бұрын

    D10 is not a platonic solid. D8 is.

  • @EphixAuthor
    @EphixAuthor5 ай бұрын

    TIL there's a Yahtzee for the full set of dice, weird

  • @stewi009

    @stewi009

    5 ай бұрын

    D&DYahtzee. It just... rolls... off the tongue. :P

  • @EphixAuthor

    @EphixAuthor

    5 ай бұрын

    @@stewi009 Yet they went with the less-catchy and more sensible name Zazz. What were they thinking?

  • @ericjohnson8847
    @ericjohnson88475 ай бұрын

    Fun to see the history of gaming with the d20 (and other polyhedral dice)!

  • @PureGoldNeverCorrodes
    @PureGoldNeverCorrodes5 ай бұрын

    For “divination rituals”, it’s relevant that Magic 8-Balls work by having a d20 floating in saline within, with a different fortune on each side.

  • @yobgodababua1862
    @yobgodababua18625 ай бұрын

    I still have some of those soft plastic dice from the 70's that you needed to highlight yourself with grease pencil (black and red grease pencils were still readily available as they were used for writing on overhead transparencies in office and classroom presentations). You can identify them easily because the plastic was somewhat terrible and all the edges rounded off in very short order.

  • @oldestmate5836
    @oldestmate58365 ай бұрын

    Thank you for another great video Bob! I really appreciate how active you are in this community. You are always posting comments on other creator's channels and seem genuinely interested in building a sense of community within the TTRPG space!

  • @AJBernard
    @AJBernard5 ай бұрын

    That's awesome! Thank you for this!

  • @BobWorldBuilder

    @BobWorldBuilder

    5 ай бұрын

    It was fun to look into :)

  • @Shiyaku93
    @Shiyaku935 ай бұрын

    I love these kinds of videos. The variety of your work is why I think this is the best TTRPG channel out there.

  • @not-a-theist8251
    @not-a-theist82515 ай бұрын

    That is so fascinating. Im always interested in the history behind my hobbies

  • @kevnar
    @kevnar4 ай бұрын

    I designed a game that used the bell curve on 3D6 as part of the game mechanics. The goal wasn't to roll high, it was to roll average. When you're aiming in front of you, you're trying to hit the center. If you roll a 3, that's a wide miss to the left, and 18 was a wide miss to the right. But a 9, 10, or 11 was a dead hit. 8 and 12 were grazing hits that did half damage. It was fun.

  • @DUNGEONCRAFT1
    @DUNGEONCRAFT15 ай бұрын

    What I great video! I feel like we've all learned something today.

  • @sl8roni134
    @sl8roni1345 ай бұрын

    Have been thinking about the meanings of different dice all week, thanks for doing this vid!!

  • @mborel
    @mborel5 ай бұрын

    Are you going to follow this up with an explanation of why 3rd edition adopted the D20 gaming system? Back in the Grognard days, the d20 was for combat and saving throws only, and skill checks were done with percentile dice.

  • @NemoOhd20

    @NemoOhd20

    5 ай бұрын

    Very few skills checks were d100.

  • @cryptking6283

    @cryptking6283

    5 ай бұрын

    Skill checks in 1e and 2e used a d20, having to roll low. Percentile was for Thief Skills and Bend Bars/Lift Gates

  • @JMcMillen

    @JMcMillen

    5 ай бұрын

    Pretty sure that with 3rd edition they were looking to get most game play mechanics to use the same basic system for success and failure. Before that you had different actions using different dice with different good rolls. Combat was d20 high, while skills (non-weapon proficiency) were d20 low. Most d100 was roll low, unless it was magic resistance then it was d100 roll high (caster rolled, not the target). Then there were the myriad of things that never improved as you leveled (like finding a secret door) that were a d6. It was kind of a mess back then.

  • @Viehzerrer

    @Viehzerrer

    5 ай бұрын

    To improve the game? There's no reason to have completely different basic mechanics for different parts of the same game. There is a reason no other RPG does that.

  • @kolardgreene3096

    @kolardgreene3096

    5 ай бұрын

    Because they wanted to create a unified dice mechanic across most actions. Also worth mentioning that percentile-based skill checks in the game tended to be in intervals of 5%. A d20 has a 5% chance to land on any of the sides, so it made sense just to turn all skill checks into d20 rolls.

  • @ryogabbat
    @ryogabbat5 ай бұрын

    This is a cool video! thank you for bringing us this knowledge!

  • @rangleme
    @rangleme5 ай бұрын

    Wow - great research and terrific video. I've dug down several rabbit holes looking for the origins of these whacky polyhedrals as well. Hearing it comes straight from Dave Wesely is awesome! Updating my slides for the "History of D&D" presentation at DunDraCon starting in just over 1-week.

  • @williammeek7218
    @williammeek72185 ай бұрын

    Very interesting Bob, I’m amazed it went so deep into the past. Thanks

  • @jugglerjohn
    @jugglerjohn5 ай бұрын

    ive been playing since 1978, i always wondered why and were the extra poly dice were used and added.. THANKS BOB!!!

  • @craigofinspiration
    @craigofinspiration5 ай бұрын

    great video, thank you Bob!

  • @dustincoopermusic
    @dustincoopermusic5 ай бұрын

    DANG! I did not know any of this... except for the Egyption d20 part. Thanks for this video!

  • @engine0991
    @engine09915 ай бұрын

    Great video, Bob! Fun fact: you actually need 3 dice to get a bell curve. 2 dice results in a triangular distribution

  • @rianfelis3156

    @rianfelis3156

    5 ай бұрын

    Depends on how you define "bell curve." You actually need infinite dice to get a proper bell curve, but three is enough that it looks right. One just gives you the flat line approximation while two does indeed give a triangular approximation.

  • @BlueSapphyre

    @BlueSapphyre

    5 ай бұрын

    Triangle distribution is a close approximation to a (truncated) normal distribution.

  • @natbarmore
    @natbarmore5 ай бұрын

    2:12 2 dice is a pyramid or triangle. 3+ dice give you an [approximation of] a bell curve.

  • @stewi009
    @stewi0095 ай бұрын

    Fascinating history video! And you told it well, too. I find the history of the game fascinating in general, if you had any other ideas along this vein, I'd love to see them!

  • @shortreststudios
    @shortreststudios5 ай бұрын

    Great video Bob! Thank you!

  • @kirkwagner461
    @kirkwagner4615 ай бұрын

    This all was really great. I had never heard of Wesely, or his role in D&D's use of dice other than d6's. Thanks!

  • @Game.Master.Allen83
    @Game.Master.Allen835 ай бұрын

    Thanks for all the fun facts, Bob!!

  • @jamesclark1001
    @jamesclark10014 ай бұрын

    At the Naval War College in Newport RI, there is a war game room that was the size of a basketball court with a gridded floor. It was built in the 1890’s. On the wall there is a mural of platonic shapes (ie dnd dice). It was in this room the Rainbow Plans were developed.

  • @zdravkominchev9897
    @zdravkominchev98975 ай бұрын

    Amazing vid. Good job!

  • @sindex
    @sindex5 ай бұрын

    This was dang interesting! I knew a little of this, but certainly not the whole history. There's a podcast called "Secretly Incredibly Fascinating" and this feels like it could belong there.

  • @MstrMusturd
    @MstrMusturd5 ай бұрын

    I’ve done way too much research on dice 😂 If I remember correctly the general consensus was that most ancient dice would have been used primarily as random number generators, specifically for the oldest game: gambling. The oldest dice ever are a pair of d6 that date back to 3000 B.C. 😳

  • @AdlerMow

    @AdlerMow

    5 ай бұрын

    I imagine that if someone invented rpgs back them, it would use a 1D6 or a 2D6 mechanic. By scaling results, you can have different narrative effects ( or degrees of success) at 2-4-7-10-12 rolls. So even back then it would not be primitive.

  • @MstrMusturd

    @MstrMusturd

    5 ай бұрын

    @@AdlerMow definitely not primitive. People back then were just as intelligent as we are now. I assume it would have much more realistic survival mechanics than what we have today!

  • @bookdmb
    @bookdmb5 ай бұрын

    I love the d20, but it’s fun to experiment with other systems as well.

  • @TaberIV
    @TaberIV5 ай бұрын

    Oh oh, I know this one! It was the alternate to hit roll in 0D&D, and it stuck around in Basic and Advanced and then WotC used it as the universal mechanic for 3e and beyond

  • @JDB2552
    @JDB25525 ай бұрын

    In the late ‘70s or early ‘80s we had a game called Word Nerd that used an icosahedral die with letters on it, called the “Nerd Cube”, which would generate random letters the players would use to make words in a 4 x 4 grid. Some letters were worth more points than others, something like Scrabble.

  • @travcollier
    @travcollier4 ай бұрын

    Nice that you mentioned the use of multiple dice to get different distributions than just flat. You can just use flat distributions and tons of tables, but there is something nice about rare/extreme outcomes actually being more tactilely reflected in the dice. I personally like the setup where the number of dice you get is based on skill, and difficulty is the target number and/or number of success required. But in the age of computers, tons of tables can be fun too.

  • @CharlesTersteeg
    @CharlesTersteeg5 ай бұрын

    it's a good thing the original guys at TSR didn't use 2d6 to play dnd. well, according to Prof. DM, some did. i like rolling 2d6 vice 3d6 or 1d6. i'm not opposed to d20. i just set a target number of 7 and then add or subtract for adv or disadvantage or +1, -1, as the situation calls. d20 the TN is 11 works fine for adv and disadvantage. still add the +1s or -1s as needed and there it is.

  • @AdlerMow

    @AdlerMow

    5 ай бұрын

    I learned rpg with a 2D6 homebrew as a kid in early 2000s because other dice cost a fortune and were almost impossible to find. 2D6 systems are lingua franca here in Brazil, specially in the countryside. We even had zines dedicated to it!

  • @workingstiffdiogenes2195
    @workingstiffdiogenes21955 ай бұрын

    I went back to 2d6 a few years ago, because I wanted the bell curve. But I have found a really nice side effect; critical hits and misses. They each happen only 1/36th of the time, and they are visually compelling--double sixes or snake eyes. Double sixes gives you a bonus d6 and it explodes if you roll another six. A row of three d6s showing 6 has garnered the term, "the dragon" for its appearance. (Plug: my game is called CLASH and there's a quick-start on DriveThru RPG.)

  • @nobody342

    @nobody342

    5 ай бұрын

    The reality is critical hits can ruin the game, and 1/36 chance for a crit isnt small enough. Just use the d20 and if they roll a d20 to hit, and they can roll a 20 on a second roll, ie 1/400 of a chance give them a crit. makes them rare and special, and you dont have your PC's always dying when they are always being hit with a crit, because if they can roll a crit, the monsters also have to be able to roll a crit, and do you really want to have your players taking double damage? or max damage or however you give extra damage?

  • @workingstiffdiogenes2195

    @workingstiffdiogenes2195

    5 ай бұрын

    @@nobody342 Hi, Crusader. I think you are right about the frequency of critical hits--in the D&D system. Let me explain. In my system players roll 2d6 (plus some modifiers) against each monster's Difficulty. The difference is the damage done to the losing party (this means that one roll takes the place of 4 in D&D). A double six just means you get to roll another d6 worth of damage--it isn't instant kills.

  • @BlueSapphyre

    @BlueSapphyre

    5 ай бұрын

    My issue with 2d6 systems is that’s difficult to understand the mathematical implications of a +1 or +2., whereas in d20, it’s an easy +5%/ +10%.

  • @sheepsy
    @sheepsy5 ай бұрын

    Ember Forge is the best. I got his jumbo D20 for my big table tower. He makes some really cool jewelry as well.

  • @Limubi1
    @Limubi14 ай бұрын

    This was really nice, I enjoyed this video :)

  • @dafrca
    @dafrca5 ай бұрын

    Thank You for a fun and interesting video. :-)

  • @YourLottery
    @YourLottery5 ай бұрын

    My first D&D book came with a piece of cardboard with squares numbered 1 through 20 to cut up and draw from a hat or bag. It was the blue cover with the silver dragon, but just the book - not a boxed set. Dice were hard to find!

  • @eclat4641
    @eclat46414 ай бұрын

    Thank you for this video!

  • @twoskies3226
    @twoskies32265 ай бұрын

    I remember the first time I saw those dice. They came in the box along with a crayon, which you used to fill in the numbers on the dice.

  • @mikedelhoo
    @mikedelhoo5 ай бұрын

    Re. 2:10 Two dice (with the same number of sides) give you a triangular distribution. Three dice give you something more bell-shaped (closer to a normal probability distribution), four even more so, etc.

  • @onetonpun
    @onetonpun5 ай бұрын

    I once found a percentage die that was just a sphere that was dimpled on the inside with a ballast ball, so one of the hundred numbers on the outside would stay facing up.

  • @davebenhart4611
    @davebenhart46115 ай бұрын

    That picture of "1983 red box set" dice look just about like the ones I have still, although I've lost several of the dice. I also have my Expert Set dice, and the "d100s" I bought that are really just light blue & orange d10s. Complete with crayon to color in the faces. TSR also went through some different plastic around then. My Moldvay Basic and Expert sets are a slightly different color than my younger brothers' Red Box & the d100 sets just a couple years later. This picture has the d4 that looks more like a "Moldvay dice", a duller and more matte faded blue, than a Red Box one, which has a brighter, glossier baby blue color. Yes, I'm nerdy (and old) enough to notice which dice came from which sets.

  • @Damirit
    @Damirit5 ай бұрын

    Fascinating story! Thank you for the history lesson.

  • @BobWorldBuilder
    @BobWorldBuilder5 ай бұрын

    When did YOU get your first d20? 💥 Legend In The Mist: www.kickstarter.com/projects/sonofoak/legend-in-the-mist-rpg?ref=8i9fnj

  • @alanmattson3406
    @alanmattson34065 ай бұрын

    Man, I had that Frazetta poster behind you on the wall of my college dorm room in 1982, when I began playing games with strange dice!

  • @UrsaMajorPrime

    @UrsaMajorPrime

    4 ай бұрын

    I had that same poster too!

  • @BenjaminMarra
    @BenjaminMarra5 ай бұрын

    I loved the D20 when I was younger. Now that I'm older I prefer D6-based games.

  • @bentonjackson8698
    @bentonjackson86984 ай бұрын

    A magic 8-ball has an icosohedron inside of it. Patented in 1946.

  • @H457ur
    @H457ur3 ай бұрын

    Ha! Those were the dice we used when I was in junior high. Those exact dice, ordered out of a math catalog. But this would have been 15 years later (maybe 1980 or so), and I don’t remember them being very expensive. But I had a lot of pocket change since I was a paperboy, so maybe I was spoiled. What I remember most is that the twenty sided would wear so fast that it was basically a golf ball after about a month of use and it would keep rolling until it hit something. I still have the first, quality, d20 I ever bought, tan with black numbers.

  • @PMandrekar
    @PMandrekar5 ай бұрын

    I had lunch with David Wesely at GaryCon a few years back. He's a really delightful font of history of the game. Nice man.

  • @allisonhomiak2336
    @allisonhomiak23365 ай бұрын

    The Ancient Egyptians were also playing D&D, except back then it was a sci-fi game.

  • @aivehn
    @aivehn5 ай бұрын

    Seems to me this video rolled a natural 20, for critical success. Another great video thanks to you, Bob. Keep up the great work.

  • @adcaptandumvulgus4252
    @adcaptandumvulgus42525 ай бұрын

    D6 is the only iconic die I know of but the rest have an interesting story I guess

  • @daddyrolleda1
    @daddyrolleda15 ай бұрын

    Great video, as always! Just a very small correction, David Wesely's last name is spelled WESELY, not Wesley (but it's *pronounced* as "Wesley" just like you pronounced it; I've accidentally mispronounced it on my channel before due to the different spelling).

  • @angelusdemorte3
    @angelusdemorte35 ай бұрын

    I am looking up Zazz right now!

  • @steelmongoose4956
    @steelmongoose49565 ай бұрын

    All my personal design stuff is based on 2D6 these days. I like the bell curve.😊

  • @motagrad2836
    @motagrad28365 ай бұрын

    Two dice form chevron distribution, it takes 3+ to create s Bell curve

  • @stray5188
    @stray51885 ай бұрын

    Hey Bob, great video! Thanks! Also, sorry to bother but I too want a giant pink d20, could you tell where you got yours? I looked on Amazon the other day but had no luck (I'm in EU though)

  • @DrPandaman2525
    @DrPandaman25255 ай бұрын

    Don't forget about the Game of Ur that uses a type of four sided dice for 2400 BC

  • @MattMcIrvin
    @MattMcIrvin5 ай бұрын

    The thing I think is interesting is that in the ancient world you don't seem to see all the Platonic solids equally frequently. Ancient d20s and d6s nearly identical to modern ones abound, and there were d4s in the Royal Game of Ur, and other shapes like long prisms were used, but you don't see the Platonic d8 or d12 very often. (There are those mysterious Roman dodecahedra, but whatever they are, they don't seem to be dice. If they were dice, you'd think they'd be decorated more like the other Roman dice we find all over.)

  • @JeremyNoblitt
    @JeremyNoblitt5 ай бұрын

    Well i learned it went back to ancient Egypt. I knew it went back to ancient Rome. Thanks Bob. Keep up the good work.

  • @Mr.Patrick_Hung
    @Mr.Patrick_Hung5 ай бұрын

    I have a set of polyhedronal dice from a different old game that my father had. I forget the name of the other game, but it wasn't mentioned here.

  • @KabukiKid
    @KabukiKid4 ай бұрын

    The famous Magic 8-Ball toy basically has a big d20 in it with all of the little phrases on each face. It floats in the dark fluid inside and gives you your fortune. :-)

  • @loucorreia6142
    @loucorreia61425 ай бұрын

    I remember the first time I saw the “d20” was in 1976. Called Percentage Dice. Even though there were 20 sides the numbers on the dice were 0 to 9 twice, and they were used to generate numbers from 1 - 100 by Napoleonic Miniatures gamers. I bought a set, and when I discovered D&D I filled in half the numbers with a blue pen and half with a red pen to turn them into d20s.

  • @jacawandersmok9043
    @jacawandersmok90435 ай бұрын

    greek dice is fascinating and intrigue me;

  • @mattcosacos
    @mattcosacos5 ай бұрын

    now i need a "Honest Abe" D20

  • @phillipbernhardt-house6907
    @phillipbernhardt-house69075 ай бұрын

    Bob, do you have a source on the ancient Greek/Egyptian versions of the d20? I'd be interested in looking further into that, and would love to have an in-road to investigating that further. Thanks so much for all your great work on this channel!

  • @ecmo11
    @ecmo115 ай бұрын

    Haha, loved this!

  • @BobWorldBuilder

    @BobWorldBuilder

    5 ай бұрын

    Thanks!

  • @morefiction3264
    @morefiction32645 ай бұрын

    Advanced Squad Leader, from the tactical war gaming genre, uses 2d6 in innovative ways. One of the dice is colored which has meaning, doubles has meaning, and it leans into the bell curve for sniper checks, and malfunctions. Also, the Naval War College had war games that used d20 before wwii.

  • @raybrandt
    @raybrandt5 ай бұрын

    Wesley is so important to understand RPGs as we know them, it's unbelievable.

  • @Paltse
    @Paltse5 ай бұрын

    Honest Abe would be going to Ford's Theatre to watch a play and end up in Petersen House with a head that has one extra hole in it.

  • @j.rinker4609
    @j.rinker46095 ай бұрын

    So glad I can get regular polyhedra for my math classes...

  • @tzor
    @tzor5 ай бұрын

    You mentioned the notion of the bell curve of adding dice (especially d6). This is the standard for many games, with one really strange exception. There is a paperback Dr. Who role playing game called "Time Lords." Developed after gaming had reached the target/skill stage, the system took the difference from the target/skill and made you roll 2d6. Instead of adding the die you subtracted the higher one from the lower and you had to "beat the difference" (of the target/skill) to succeed. This results in one of the strangest curves ever, but it's exceptionally easy to explain to a non-gamer.

  • @BleachWizz
    @BleachWizz4 ай бұрын

    2:20 - YEEEAH I KNOW!!! That's exactly when I baked my own system with my friends we used 2D6, so we cold have this regression to the mean where we could count on extraordinary rolls being actually extraordinary! So rolling 2 of the same number had special meaning and there are other ways you can control the probability curve to make things more and less extreme. The problem really is describing those as rules for a player in a game; THAT is the real hard part in my opinion.

  • @Tertion
    @Tertion5 ай бұрын

    I love the bell curve Fate dices gives me... and I'm not going back.

  • @TheRealRedAce
    @TheRealRedAce4 ай бұрын

    I own four 20 sided dice numbered 0-9 twice (called "percentile" dice) which I mail ordered from a UK wargamer who had a supply he used to sell, which came from the USA. This was before D&D existed. They were used in wargames. In this case, naval wargames, in pairs to generate percentage chances. The UK supplier was an author of a set of naval wargame rules I found in my local library, which used these dice and at the back of the book he advertised that you could mail order them from him. That would be in about 1972, when I was aged 15. D&D of course originated from a wargame where players ran rival warlords in a campaign against one another where the lords could explore underground sites to try to gain mystic artifacts to help their armies win battles.

  • @kutalyl7153
    @kutalyl71535 ай бұрын

    6:00 yes!! Dreidels are the way to go. It adds a time element so you can spin against other players to see not only who's got the numbers but also spinning for longer. So why roll when you can spin it?

  • @MattMcIrvin
    @MattMcIrvin5 ай бұрын

    I always figured they felt a need for that flat probability distribution--extreme results are more probable than you expect if you're used to rolling 2d6--but it's interesting to hear that the reason was ultimately "there's magic and weird fantasy stuff, so we need weird dice".

  • @CromwellTheArchaeologist
    @CromwellTheArchaeologist5 ай бұрын

    “Zazz” would be a great tavern gambling game.

  • @ShadeKirby500
    @ShadeKirby5004 ай бұрын

    I like when I'm rolling dice in my Tabletop RPG and the dice says "Honest Abe"

  • @jaybakata5566
    @jaybakata55664 ай бұрын

    What was the clip after the futurama Gygax clip? Not sure I have seen that before.

  • @LuxisAlukard
    @LuxisAlukard5 ай бұрын

    7:40 Such a great sentence!

  • @demetrinight5924
    @demetrinight59245 ай бұрын

    I enjoy all the weird dice. I do want to know what the Egyptian and Greek dice were used for though.

  • @GyroCannon
    @GyroCannon4 ай бұрын

    Ancient Egyptians making 20 sided die is so impressive to me But also geometry was a fairly early solved branch of math, so I shouldn't be surprised!

  • @euansmith3699
    @euansmith36995 ай бұрын

    This was far more interesting than I was expecting. I like the idea of a high schooler sending off to a scientific equipment supplier for their polyhedral dice; that is some ur-nerd level magic.

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