Avalanche (Revival Studios) Available for Commodore Vic 20 & Sinclair ZX81 A laser-base vs. falling blocks game. Match the symbol on your laser-base to the symbol on each falling block then shoot it to remove it.
Avalanche (C-Tech) Available for Spectrum 48K/128K/+2/+3
Avalanche (APX) Available for Atari 400/800/600XL/800XL/130XE