 | Argus (Gottlieb, prototype) | 1984 | Gottlieb | argusg | Shooter / Field | 10.00 |
| | Born To Fight | 1980 | International Games | borntofi | Unplayable | 0.00 |
| | Cobra Command (M.A.C.H. 3 hardware) (clone of: cobra) | 1984 | Data East | cobram3 | | 0.00 |
 | Curve Ball | 1984 | Mylstar | curvebal | Sports / Baseball | 0.00 |
 | Fantasy Land (set 1) | 1980 | Electronic Devices Italy | fantland | Platform / Shooter Scrolling | 0.00 |
| Fantasy Land (set 2) (clone of: fantland) | 1980 | Electronic Devices Italy | fantlanda | | 0.00 |
 | Faster, Harder, More Challenging Q*bert (prototype) (sample of: qbert) | 1983 | Mylstar | sqbert | Platform / Run Jump | 5.00 |
| | Filetto (v1.05 901009) | 1990 | Novarmatic | filetto | | 7.00 |
 | Galaxy Gunners | 1989 | Electronics Devices Italy | galaxygn | Shooter / Flying Vertical | 2.00 |
| Galaxy Gunners | 1989 | Electronics Devices Italy | galaxygn | Shooter / Flying Vertical | 2.00 |
 | Hot Blocks - Tetrix II | 1993 | NIX? | hotblock | Puzzle / Drop *Mature* | 0.00 |
 | Insector (prototype) | 1982 | Gottlieb | insector | Shooter / Field | 0.00 |
 | Knightmare (prototype) | 1983 | Gottlieb | kngtmare | Misc. | 0.00 |
 | Krull | 1983 | Gottlieb | krull | Shooter / Field | 0.00 |
 | M.A.C.H. 3 | 1983 | Mylstar | mach3 | Shooter / Flying (chase view) | 8.53 |
 | Mad Planets | 1983 | Gottlieb | mplanets | Shooter / Field | 8.00 |
| Mad Planets (UK) (clone of: mplanets) | 1983 | Gottlieb (Taitel license) | mplanetsuk | | 0.00 |
 | Mello Yello Q*bert (clone of: qbert) (sample of: qbert) | 1982 | Gottlieb | myqbert | Platform / Run Jump | 0.00 |
| 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 |
