 | Panic Street (Japan) | 1999 | Kaneko | panicstr | Puzzle / Outline | 4.50 |
 | 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 II (Tournament) (clone of: qix) | 1981 | Taito America Corporation | qix2 | Puzzle / Outline | 0.00 |
 | Super Qix (World, Rev 2) | 1987 | Kaneko / Taito | sqix | Puzzle / Outline | 7.71 |
 | Twin Qix (Ver 1.0A 1995/01/17) (Prototype) | 1995 | Taito America Corporation | twinqix | Puzzle / Outline | 0.00 |
 | Volfied (Japan, revision 1) (clone of: volfied) | 1989 | Taito Corporation | volfiedj | Puzzle / Outline | 0.00 |
| Volfied (US, revision 1) (clone of: volfied) | 1989 | Taito America Corporation | volfiedu | Puzzle / Outline | 0.00 |
| Volfied (World, revision 1) | 1989 | Taito Corporation Japan | volfied | Puzzle / Outline | 8.57 |
