Status: good
| Name | Description | Year | Manufacturer | Rom of | Clone of |
| nytsudo | The New York Times Sudoku | 200? | Excalibur Electronics / Nice Code | | |
| papsudok | Plug and Play Sudoku Game (NES based) | 200? | Nice Code | | |
|
Status: imperfect
| Name | Description | Year | Manufacturer | Rom of | Clone of |
| sudo6in1 | 6-in-1 Sudoku Plug & Play | 200? | Nice Code | | |
|
Status: preliminary
| Name | Description | Year | Manufacturer | Rom of | Clone of |
| doyousud | Sudoku: Do You Sudoku? | 2005 | SDW Games | | |
| sudoku2p | Sudoku TV Game (PAL, 2 players) | 2005 | <unknown> | | |
|