| Video Slot Machine |  4 Legend Evolution | 200? | ACME S.R.L. VI, Italy |
| Slot Machine | 4 Level Jacks or Better | 2005 | WMS Gaming, Inc. Chicago, IL, USA |
| Sinclair ZX Spectrum cass. | 4 Logiciels pour ZX Spectrum | 1987 | Loriciels France |
| Online Slot | 4 Lucky Pin-ups | 201? | Spinomenal |
| PTC SOL-20 cass. | 4 Lunarlander Games | 1978 | Hopkins, Ralph |
| Sinclair ZX Spectrum cass. | 4 Minute Warning | 1984 | Magination Soft. |
| PC/MS-Windows pack. | 4 Minutes to the Apocalypse Model 1269700 | 20?? | Steam Valve Corp. |
| PC/MS-Windows pack. | 4 Months of You Model 1705880 | 20?? | Steam Valve Corp. |
| Sinclair ZX Spectrum cass. |  4 Most Action | 199? | Alternative Soft., Ltd. |
| Amstrad CPC cass. | 4 Most Action Model AS015 | 1989 | Alternative Soft., Ltd. |
| Sinclair ZX Spectrum cass. | 4 Most Adventures | 199? | Alternative Soft., Ltd. |
| Sinclair ZX Spectrum cass. | 4 Most Airpower | 199? | Alternative Soft., Ltd. |
| Sinclair ZX Spectrum cass. | 4 Most Balls, Boots & Brains | 199? | Alternative Soft., Ltd. |
| Sinclair ZX Spectrum cass. | 4 Most Big Hits | 199? | Alternative Soft., Ltd. |
| Sinclair ZX Spectrum cass. | 4 Most Cute | 199? | Alternative Soft., Ltd. |
| Sinclair ZX Spectrum cass. | 4 Most Fight & Fright | 199? | Alternative Soft., Ltd. |
| Sinclair ZX Spectrum cass. | 4 Most Fun | 199? | Alternative Soft., Ltd. |
| Commodore C64 cass. | 4 Most Horror | 1988 | Alternative Soft., Ltd. |
| Sinclair ZX Spectrum cass. | 4 Most Horror Model AS014 | 1991 | Alternative Soft., Ltd. |
| Commodore C64 cass. | 4 Most Megaheroes Model AS052 | 1991 | Alternative Soft., Ltd. |
| Sinclair ZX Spectrum cass. | 4 Most Megaheros | 199? | Alternative Soft., Ltd. |
| Sinclair ZX Spectrum cass. | 4 Most Speedstunts | 199? | Alternative Soft., Ltd. |
| Sinclair ZX Spectrum cass. | 4 Most Sport | 199? | Alternative Soft., Ltd. |
| Sinclair ZX Spectrum cass. | 4 Most Super Sports | 199? | Alternative Soft., Ltd. |
| Sinclair ZX Spectrum cass. | 4 Most Thrillers | 199? | Alternative Soft., Ltd. |
| Sinclair ZX Spectrum cass. | 4 Most Toppers | 199? | Alternative Soft., Ltd. |
| Sinclair ZX Spectrum cass. | 4 Most War Zone | 199? | Alternative Soft., Ltd. |
| Sinclair ZX Spectrum cass. | 4 Most World Sport | 199? | Alternative Soft., Ltd. |
| Online Slot | 4 of a Kind Bonus Poker | 201? | EGT Euro Games Technology, Ltd. Bulgaria |
| IGT Player's Edge ROM kit | 4 of a Kind Bonus Poker Model PK1015 | 1986 | IGT International Game Technologies Reno, NV, USA |
| IGT Player's Edge ROM kit | 4 of a Kind Bonus Poker Model PK1020 | 1986 | IGT International Game Technologies Reno, NV, USA |
| IGT Player's Edge ROM kit | 4 of a Kind Bonus Poker Model PK1030 | 1986 | IGT International Game Technologies Reno, NV, USA |
| IGT Player's Edge ROM kit | 4 of a Kind Bonus Poker Model PK1031 | 1986 | IGT International Game Technologies Reno, NV, USA |
| IGT Player's Edge Plus ROM kit | 4 of a Kind Bonus Poker Model PP0158 | 1988 | IGT International Game Technologies Reno, NV, USA |
| IGT Player's Edge Plus ROM kit | 4 of a Kind Bonus Poker Model PP0178 | 1990 | IGT International Game Technologies Reno, NV, USA |
| IGT Player's Edge Plus ROM kit | 4 of a Kind Bonus Poker Model PP0195 | 1990 | IGT International Game Technologies Reno, NV, USA |
| IGT Player's Edge Plus ROM kit | 4 of a Kind Bonus Poker Model PP0203 | 1990 | IGT International Game Technologies Reno, NV, USA |
| IGT Player's Edge Plus ROM kit | 4 of a Kind Bonus Poker Model PP0218 | 1990 | IGT International Game Technologies Reno, NV, USA |
| IGT Player's Edge Plus ROM kit | 4 of a Kind Bonus Poker Model PP0265 | 1992 | IGT International Game Technologies Reno, NV, USA |
| IGT Player's Edge Plus ROM kit | 4 of a Kind Bonus Poker Model PP0401 | 1993 | IGT International Game Technologies Reno, NV, USA |
