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''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.〔("Can Zillions Support This Game?" FAQ ) by Zillions Development Corp.〕 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. ==Scripting language== The scripting language of ''Zillions-of-Games'' uses S-expressions. The rules are stored in a text file with extension ".zrf" (zillions rules file). The users can create their own ZRF-files and make the AI of ''Zillions-of-Games'' play their newly created game. Here is an example of rules for Tic-tac-toe (copyright by Zillions Development Inc.):〔The example of Tic-Tac-Toe is taken from "TicTacToe.zrf" in ''Zillions-of-Games'' installation and slightly simplified. The usage in Wikipedia is for illustration purpose and is believed to be according to fair use U.S. law.〕 (define add-to-empty ((verify empty?) add)) (game (title "Tic-Tac-Toe") (description "...") (history "...") (strategy "...") (players X O) (turn-order X O) (board (image "images\TicTacToe\TTTbrd.bmp") (grid (start-rectangle 16 16 112 112) ; top-left position (dimensions ;3x3 ("top-/middle-/bottom-" (0 112)) ; rows ("left/middle/right" (112 0))) ; columns (directions (n -1 0) (e 0 1) (nw -1 -1) (ne -1 1)) ) ) (piece (name man) 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Zillions of Games」の詳細全文を読む スポンサード リンク
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