High Quality Content by WIKIPEDIA articles! Zillions of Games is a commercial General Game Playing system developed by Jeff Mallett and Mark Lefler in 1998. The game rules are specified with S expressions, Zillions rule language. It was designed to handle mostly abstract strategy board games or puzzles. After parsing the rules of the game, the system`s artificial intelligence can automatically play one or more players. It treats puzzles as solitaire games and its AI can be used to solve them.