| | Quality Streak (Bellfruit) (Scorpion 5) (set 11) (clone of: sc5qual) | 1969 | BFM | sc5qualj | | 0.00 |
| | Quality Streak (Bellfruit) (Scorpion 5) (set 12) (clone of: sc5qual) | 1969 | BFM | sc5qualk | | 0.00 |
| | Quality Streak (Bellfruit) (Scorpion 5) (set 13) (clone of: sc5qual) | 1969 | BFM | sc5quall | | 0.00 |
| | Quality Streak (Bellfruit) (Scorpion 5) (set 14) (clone of: sc5qual) | 1969 | BFM | sc5qualm | | 0.00 |
| | Quality Streak (Bellfruit) (Scorpion 5) (set 2) (clone of: sc5qual) | 1969 | BFM | sc5quala | | 0.00 |
| | Quality Streak (Bellfruit) (Scorpion 5) (set 3) (clone of: sc5qual) | 1969 | BFM | sc5qualb | | 0.00 |
| | Quality Streak (Bellfruit) (Scorpion 5) (set 4) (clone of: sc5qual) | 1969 | BFM | sc5qualc | | 0.00 |
| | Quality Streak (Bellfruit) (Scorpion 5) (set 5) (clone of: sc5qual) | 1969 | BFM | sc5quald | | 0.00 |
| | Quality Streak (Bellfruit) (Scorpion 5) (set 6) (clone of: sc5qual) | 1969 | BFM | sc5quale | | 0.00 |
| | Quality Streak (Bellfruit) (Scorpion 5) (set 7) (clone of: sc5qual) | 1969 | BFM | sc5qualf | | 0.00 |
| | Quality Streak (Bellfruit) (Scorpion 5) (set 8) (clone of: sc5qual) | 1969 | BFM | sc5qualg | | 0.00 |
| | Quality Streak (Bellfruit) (Scorpion 5) (set 9) (clone of: sc5qual) | 1969 | BFM | sc5qualh | | 0.00 |
 | Quantum (prototype) (clone of: quantum) | 1982 | General Computer Corporation (Atari license) | quantump | Misc. | 0.00 |
| Quantum (rev 1) (clone of: quantum) | 1982 | General Computer Corporation (Atari license) | quantum1 | Misc. | 0.00 |
| Quantum (rev 2) | 1982 | General Computer Corporation (Atari license) | quantum | Misc. | 5.00 |
| | Quantum Leap (JPM) (IMPACT) | 1969 | JPM | j6quantm | | 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 |
| | Quarter Horse Classic | 1995 | ArJay Exports/Prestige Games | qc | | 0.00 |
