| | Over The Rainbow (Bellfruit) (Scorpion 5) (set 2) (clone of: sc5rainb) | 1969 | BFM | sc5rainba | | 0.00 |
| | Over The Rainbow (Bellfruit) (Scorpion 5) (set 3) (clone of: sc5rainb) | 1969 | BFM | sc5rainbb | | 0.00 |
| | Over The Rainbow (Bellfruit) (Scorpion 5) (set 4) (clone of: sc5rainb) | 1969 | BFM | sc5rainbc | | 0.00 |
| | Over The Rainbow (Bellfruit) (Scorpion 5) (set 5) (clone of: sc5rainb) | 1969 | BFM | sc5rainbd | | 0.00 |
| | Over The Rainbow (Bellfruit) (Scorpion 5) (set 6) (clone of: sc5rainb) | 1969 | BFM | sc5rainbe | | 0.00 |
| | Over The Top (Maygay) (M1A/B) | 1969 | Maygay | m1ott | | 0.00 |
 | Over Top | 1996 | ADK | overtop | Driving / Race | 8.89 |
| | Overload (Barcrest) (MPU5) (set 1) | 1969 | Barcrest | m5overld | | 0.00 |
| | Overload (Barcrest) (MPU5) (set 2) (clone of: m5overld) | 1969 | Barcrest | m5overld02 | | 0.00 |
| | Overload (Barcrest) (MPU5) (set 3) (clone of: m5overld) | 1969 | Barcrest | m5overld10 | | 0.00 |
| | Overload (Barcrest) (MPU5) (set 4) (clone of: m5overld) | 1969 | Barcrest | m5overld11 | | 0.00 |
| | Oxo (JPM) (IMPACT) | 1969 | JPM | j6oxo | | 0.00 |
| | Oxo Bingo (JPM) (IMPACT) | 1969 | JPM | j6oxobin | | 0.00 |
| | Oxo Classic Gold (Electrocoin) (?) | 1969 | Electrocoin | ec_oxocg | | 0.00 |
| | Oxo Club (Electrocoin) (?) | 1969 | Electrocoin | ec_oxocl | | 0.00 |
| | Oxo Golden Bars (Electrocoin) (?) | 1969 | Electrocoin | ec_oxogb | | 0.00 |
| | Oxo Reels (Electrocoin) (?) | 1969 | Electrocoin | ec_oxorl | | 0.00 |
| | Oxo Revolution (Electrocoin) (?) | 1969 | Electrocoin | ec_oxorv | | 0.00 |
 | Ozma Wars (set 1) | 1979 | SNK | ozmawars | Shooter / Gallery | 9.26 |
| Ozma Wars (set 2) (clone of: ozmawars) | 1979 | SNK | ozmawars2 | | 0.00 |
