Please note that I haven't tried any of these other programs.
| Author | Size | Comment | |
| Neil Fraser | Small | Java program with computer player, for one or two players | |
| Keith Drakard | Small | JavaScript - to be played on-line, 2-4 players, uses different rules | |
| Peter Monks | 21 K | MS-Windows, zip archive, 2 players, no webpage (on Neil Fraser site) | |
| BlackDog | 45 K | JavaScript - to be played on-line, 2-6 players, grid sizing | |
| Adam Dawes / NEUON | 50 K | EPOC, shareware with many extra features | |
| Neil Fraser | 240 K | MS-Windows, zip archive, 2 players, has a computer player | |
|
Yiff! (MS-Windows)
XYiff! (Linux) |
707 K | Very bizarre version, involving Street Fighter fox-morphs | |
| Jeff Weston | 880 K | MS-Windows, zip archive, needs GLUT and OpenGL - 3D! |