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The Chess Variant Pages

Zillions of Games

Zillions of Games is an inexpensive commercial Windows program that will let you play an endless variety of Chess variants and other abstract board games. It was originally designed for Windows 95, and it has continued to work with subsequent versions of Windows, up through Windows 10.

Instead of having the rules of specific games hardcoded into it, it reads external files, written in a Lisp-like language, that describe rules for individual games. This allows you, me, and others to program new games for it. The editors of this site have no commercial affiliation with Zillions of Games, but many of us, and many other contributors to our site, have programmed several games for Zillions of Games to play. Because Zillions of Games fits so well with our interest in designing and playing Chess variants, we have amassed a large collection of Chess variants that you can play on Zillions of Games. Some are of pre-existing games, and some are of new games created with the aid of Zillions of Games. Besides serving as a means for playing various games, this program has proven useful for testing games, and its limitations have sometimes shaped the design of a new game.

Our Collection of Zillions Rules Files (ZRFs)

The file that Zillions of Games reads to know the rules of a game is called a Zillions Rules File, abbreviated as ZRF. A ZRF is usually packaged with a set of graphics and occasionally with a set of audio files, though some don't require any external files that don't already come with Zillions of Games. Our ZRFs and accompanying files are stored in various ZIP files. You will need a zip program, such as the free PeaZip or 7-Zip, to open these files. When you unzip a file, be sure to keep the directory structure intact. A ZRF will tell Zillions that it can expect to find graphics and audio files in specific locations. Since we have too many ZRFs to quickly display without a fast broadband connection, this page just provides a starting point for browsing through our collection.

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These two reviews were written shortly after Zillions of Games debuted in late 1998. They should give you an overview of the program, but do not take into account any of the later features. Zillions of Games is currently at version 2.0, which is significantly more powerful than the original version.