| Name | Description | Year | Manufacturer | Rom of | Clone of |
| checkc2 | Checker Challenger (model CR, 2 levels) | 1978 | Fidelity Electronics | | |
| checkc4 | Checker Challenger (model ACR, 4 levels) | 1978 | Fidelity Electronics | | |
| pcheckers | Pocket Checkers | 1988 | Saitek / Heuristic Software | electrio | electrio |