Avalanche is a new game for the Commodore PET/CBM, made by Revival Studios. In the game you have to shoot the various gems that are falling down from the top of the screen. The gems are marked with symbols and the player has to match up the symbol of his ship with the symbol on the gems. The game is available for all Commodore PET/CBM models, except the 2001, on cassette or as a free digital download.
Video of Avalanche for the Commodore PET/CBM.