| Twin Pots (Astra, V104) (clone of: as_twp) | 1969 | Astra | as_twpa | | 0.00 |
| Twin Pots (Astra, V106) | 1969 | Astra | as_twp | | 0.00 |
| Twin Qix (Ver 1.0A 1995/01/17) (Prototype) | 1995 | Taito America Corporation | twinqix | Puzzle / Outline | 0.00 |
| Twin Squash | 1991 | Sega | twinsqua | Unplayable | 6.25 |
| Twin Timer (Barcrest) (MPU4) (D2T 1.1) | 1969 | Barcrest | m4twintm | | 0.00 |
| TwinBee (ROM version) | 1985 | Konami | twinbee | Shooter / Flying Vertical | 7.60 |
| Twinkle | 1997 | SemiCom | twinkle | Maze | 8.69 |
| Twinkle Star Sprites | 1996 | ADK / SNK | twinspri | Shooter / Flying Vertical | 9.20 |
| Twinkle System | 1999 | Konami | gq863 | | 0.00 |
| Twins (set 1) | 1994 | Electronic Devices | twins | Puzzle / Match *Mature* | 0.00 |
| Twins (set 2) (clone of: twins) | 1994 | Electronic Devices | twinsa | | 0.00 |
| Twist Again (Barcrest) (MPU4) (set 1) | 1969 | Barcrest | m4twist | | 0.00 |
| Twist Again (Barcrest) (MPU4) (set 2) (clone of: m4twist) | 1969 | Barcrest | m4twista | | 0.00 |
| Twist Again (Barcrest) (MPU4) (set 3) (clone of: m4twist) | 1969 | Barcrest | m4twistb | | 0.00 |
| Twister (3.00) (clone of: twst_405) | 1996 | Sega | twst_300 | | 0.00 |
| Twister (4.04) (clone of: twst_405) | 1996 | Sega | twst_404 | | 0.00 |
| Twister (4.05) | 1996 | Sega | twst_405 | | 0.00 |
| Twister (Ace) (IMPACT) | 1969 | Ace | j6twst | | 0.00 |
| Twister (Crystal) (MPU4) (set 1) | 1969 | Crystal | m4twstr | | 0.00 |
| Twister (Crystal) (MPU4) (set 2) (clone of: m4twstr) | 1969 | Crystal | m4twstra | | 0.00 |