 | 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) | 1982 | Gottlieb | qbert | Platform / Run Jump | 9.30 |
| 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 | 10.00 |
| | QB-3 (prototype) | 1982 | Rock-Ola | qb3 | Shooter / Field | 10.00 |
 | Qix (set 1) | 1981 | Taito America Corporation | qix | Puzzle / Outline | 8.98 |
| 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 |
 | Quadro Quiz II | 1985 | Status Games | quaquiz2 | Unplayable | 1.00 |
| | Quake Arcade Tournament (Release Beta 2) | 1998 | Lazer-Tron / iD Software | quake | | 0.00 |
 | Quantum (prototype) (clone of: quantum) | 1982 | Atari | quantump | Misc. | 0.00 |
| Quantum (rev 1) (clone of: quantum) | 1982 | Atari | quantum1 | Misc. | 0.00 |
| Quantum (rev 2) | 1982 | Atari | quantum | Misc. | 0.00 |
| | Quarter Horse (set 1, Pioneer PR-8210) | 1983 | Electro-Sport | quarterh | | 0.00 |
| | Quarter Horse (set 2, Pioneer PR-8210) (clone of: quarterh) | 1983 | Electro-Sport | quarterha | | 0.00 |
| | Quarter Horse (set 3, Pioneer LD-V2000) (clone of: quarterh) | 1983 | Electro-Sport | quarterhb | | 0.00 |
