 | Q*bert (early test version) (clone of: qbert) (sample of: qbert) | 1982 | Gottlieb | qberttst | Platform / Run Jump | 0.00 |
| Q*bert (Japan) (clone of: qbert) (sample of: qbert) | 1982 | Gottlieb (Konami license) | qbertj | | 0.00 |
| Q*bert (US set 1) (sample of: qbert) | 1982 | Gottlieb | qbert | Platform / Run Jump | 8.59 |
| Q*bert (US set 2) (clone of: qbert) (sample of: qbert) | 1982 | Gottlieb | qberta | Platform / Run Jump | 0.00 |
| Q*bert Board Input Test Rom (clone of: qbert) (sample of: qbert) | 1982 | Gottlieb | qbtrktst | Misc. | 8.50 |
 | Q*bert's Qubes (sample of: qbert) | 1983 | Mylstar | qbertqub | Platform / Run Jump | 6.33 |
| | Q*Bert's Quest | 1983 | Gottlieb | qbquest | | 0.00 |
| | QB-3 (prototype) | 1982 | Rock-Ola | qb3 | Shooter / Field | 5.50 |
 | Qix (Rev 2) | 1981 | Taito America Corporation | qix | Puzzle / Outline | 5.01 |
| Qix (set 2, larger roms) (clone of: qix) | 1981 | Taito America Corporation | qixb | Puzzle / Outline | 0.00 |
| Qix (set 2, smaller roms) (clone of: qix) | 1981 | Taito America Corporation | qixa | Puzzle / Outline | 0.00 |
| Qix (set 3, earlier) (clone of: qix) | 1981 | Taito America Corporation | qixo | | 0.00 |
| Qix II (Tournament) (clone of: qix) | 1981 | Taito America Corporation | qix2 | Puzzle / Outline | 0.00 |
| | Quack Shot (Barcrest) (MPU5) (set 1) | 1969 | Barcrest | m5qshot | | 0.00 |
| | Quack Shot (Barcrest) (MPU5) (set 2) (clone of: m5qshot) | 1969 | Barcrest | m5qshot04 | | 0.00 |
 | Quadro Quiz II | 1985 | Status Games | quaquiz2 | Unplayable | 3.67 |
| | Quake (Barcrest - Red Gaming) (MPU5) | 1969 | Barcrest / Red Gaming | m5quake | | 0.00 |
| | Quake Arcade Tournament (Release Beta 2) | 1998 | Lazer-Tron / iD Software | quake | | 0.00 |
| | Quality Streak (Bellfruit) (Scorpion 5) (set 1) | 1969 | BFM | sc5qual | | 0.00 |
| | Quality Streak (Bellfruit) (Scorpion 5) (set 10) (clone of: sc5qual) | 1969 | BFM | sc5quali | | 0.00 |
