Two complete walkthroughs of the ZX Spectrum text adventure "Steve Silver Adventure 2: Beyond the Black Hole" (1983) by Colin Webb and Jim Bennett, published by WB Software.
Text walkthrough (minimal solution):- W, N, E, S, TAKE GLOWING ROCK, E, W, W, W, U, S, S, S, E, STAND IN BEAM, PRESS BUTTON MARKED ^, E, E, TAKE MICRO KEY, W, S, S, S, W, W, S, U, S, E, TAKE WRISTBAND, W, UNLOCK DOOR, WITH THE MICRO KEY, S, STAND IN BEAM (... it appears the beam sent me back in time and I am in my own universe heading home…)
Text walkthrough (high score):- W, N, E, S, TAKE GLOWING ROCK, E, W, W, W, N, N, D, N, E, TAKE QUEER BONE, D, S, TAKE BODY SHIELD, N, U, W, U, S, E (this room has graphics), S, TAKE WARM ROCK, E, S, S, S, S, W, W, S, W, D, S, S, S, TAKE GIANT DIAMOND, N, N, N, U, E, N, E, E, E, STAND IN BEAM, PRESS BUTTON MARKED ^, E, E, TAKE MICRO KEY, W, S, S, S, W, W, N, W, DROP GLOWING ROCK, TAKE SQUARE PRISM, E, S, S, U, S, UNLOCK DOOR, WITH THE MICRO KEY, DROP MICRO KEY, E, TAKE WRISTBAND, W, S, STAND IN BEAM (1755 points)