| IGT Player's Edge Plus ROM kit |  4 of a Kind Bonus Poker Model PP0409 | 1993 | IGT International Game Technologies Reno, NV, USA |
| IGT Player's Edge Plus ROM kit | 4 of a Kind Bonus Poker Model PP0410 | 1993 | IGT International Game Technologies Reno, NV, USA |
| IGT Player's Edge Plus ROM kit | 4 of a Kind Bonus Poker Model PP0467 | 1994 | IGT International Game Technologies Reno, NV, USA |
| IGT Player's Edge Plus ROM kit | 4 of a Kind Bonus Poker Model PP0763 | 1994 | IGT International Game Technologies Reno, NV, USA |
| IGT Player's Edge Plus ROM kit | 4 of a Kind Bonus Poker Model PP0764 | 1994 | IGT International Game Technologies Reno, NV, USA |
| IGT Super Player's Edge Plus ROM kit | 4 of a Kind Bonus Poker Model X000158P | 1995 | IGT International Game Technologies Reno, NV, USA |
| IGT Super Player's Edge Plus ROM kit | 4 of a Kind Bonus Poker Model X000203P | 1996 | IGT International Game Technologies Reno, NV, USA |
| IGT Super Player's Edge Plus ROM kit | 4 of a Kind Bonus Poker Model X000265P | 1996 | IGT International Game Technologies Reno, NV, USA |
| IGT Super Player's Edge Plus ROM kit | 4 of a Kind Bonus Poker Model X000403P | 1995 | IGT International Game Technologies Reno, NV, USA |
| IGT Super Player's Edge Plus ROM kit | 4 of a Kind Bonus Poker Model X000581P | 1996 | IGT International Game Technologies Reno, NV, USA |
| IGT Super Player's Edge Plus ROM kit | 4 of a Kind Bonus Poker Model X000763P | 1996 | IGT International Game Technologies Reno, NV, USA |
| IGT Super Player's Edge Plus ROM kit | 4 of a Kind Bonus Poker Model X000764P | 1996 | IGT International Game Technologies Reno, NV, USA |
| IGT Super Player's Edge Plus ROM kit | 4 of a Kind Bonus Poker Model X002111P | 1996 | IGT International Game Technologies Reno, NV, USA |
| IGT Super Player's Edge Plus ROM kit | 4 of a Kind Bonus Poker Model X002241P | 1996 | IGT International Game Technologies Reno, NV, USA |
| IGT Super Player's Edge Plus ROM kit | 4 of a Kind Bonus Poker Model X002386P | 1996 | IGT International Game Technologies Reno, NV, USA |
| Online Slot | 4 of a King | 201? | Endorphina, Ltd. |
| MSX type-in | 4 or 6 | 1990 | Dempa Shinbunsha Japan |
| Sega Master System cart. | 4 PAK All Action Model DIS-SG4-1 | 1995 | HES Home Ent. Suppliers Sydney, Australia |
| Fruit Machine | 4 Play | 200? | Barcrest Games |
| Fruit Machine | 4 Play Model PR1227 | 200? | Bell-Fruit Games Bell-Fruit Group, Ltd. Novomatic Group UK |
| Arcade Video game | 4 Player Bowling Alley Model 730 | 1978 | Midway Mfg. Co. Schiller Park, IL, USA |
| Arcade Video game | 4 Player Bowling Alley Model 749 | 1978 | Midway Mfg. Co. Schiller Park, IL, USA |
| Coin-op Misc. game | 4 Player Derby | 1952 | Chicago Coin Machine Co. IL, USA |
| Commodore VIC-20 type-in | 4 Portes vers la Liberté | 198? | Shift Editions Paris, France |
| Sinclair ZX Spectrum cass. | 4 Quality Games | 1984 | Cascade Games, Ltd. |
| Pinball | 4 Queens | 1970 | Bally Mfg. Co. Chicago, IL, USA |
| Online Slot | 4 Reel Kings | 201? | Greentube |
| Slot Machine | 4 Reels Drive | 19?? | Unknown |
| Pinball | 4 Roses | 1962 | Williams Mfg. Co. Chicago, IL, USA |
| Amstrad CPC 464 disk | 4 Sampled Songs Hb | 19?? | Unknown |
| Online Slot | 4 Seasons | 201? | Betsoft Gaming, Ltd. |
| PC/MS-Windows pack. | 4 Seasons Girls Model 1914020 | 20?? | Steam Valve Corp. |
| PC/MS-Windows pack. | 4 Seasons Runner Model 2328110 | 20?? | Steam Valve Corp. |
| Pool Table | 4 Sided Rotation Pool | 1956 | Chicago Coin Machine Co. IL, USA |
| Amstrad CPC cass. | 4 Soccer Simulators | 1989 | MCM Soft. Spain |
| Commodore C64 cart. | 4 Soccer Simulators | 1989 | MCM Soft. Spain |
| Sinclair ZX Spectrum+3 disk | 4 Soccer Simulators | 1988 | MCM Soft. Spain |
| Commodore C64 cass. | 4 Soccer Simulators Model 1216 | 1989 | Codemasters Soft. Co., Ltd., The 015026 |
| Amstrad CPC pack. |  4 Soccer Simulators Model 215 | 1991 | EDOS Electronic Distribution of Software |
| Commodore C64 pack. | 4 Soccer Simulators Model 215 | 1991 | EDOS Electronic Distribution of Software |
