| Type | Game | Year | Publisher |
|---|---|---|---|
| CDC 6600 soft. | Chess | 1978 | Frey & Atkin |
| PLATO soft. | Chess | 1971 | Slate & Atkin |
| CDC 6600 soft. | Chess Ver.1 | 1968 | Atkin & Gorlen |
| CDC 6600 soft. | Chess Ver.2 | 1969 | Atkin & Gorlen & Slate |
| CDC 6600 soft. | Chess Ver.3.x | 1970 | Atkin & Gorlen & Slate |
| CDC 6600 soft. | Chess Ver.4.x | 1973 | Atkin & Slate |
| Apple II 5.25 disk | The Mind of Man Series Vol. 1: Chess | 1982 | Odesta Soft. |
| Apple II 5.25 disk | The Mind of Man Series Vol. 3: Odin | 1982 | Odesta Soft. |