| Coin-op Misc. game |  Old Time Basketball | 1975 | Exidy, Inc. Sunnyvale, CA, USA |
| CDC Cyber soft. | Oregon | 1975 | MECC Minnesota Educational Computing Corp. |
| PLATO soft. | Orthanc | 1975 | Resch & Kemp & Hagstrom |
| UNIVAC 1100 Series soft. | Orwell | 1975 | Nitsche, Thomas |
| Slot Machine | Panoramic Red Score | 1975 | GAA General Automated Amusements |
| PLATO soft. | Panther | 1975 | Haefeli, John |
| Pinball | Pat Hand | 1975 | Williams Mfg. Co. Chicago, IL, USA |
| PLATO soft. | Pedit5 | 1975 | Rutherford, Rusty |
| Philips Tele-Spiel cart. | Phantomjagd Model ES 2215 | 1975 | Philips Corp. |
| Pinball | Pin-Up Model 353 | 1975 | Gottlieb & Co., D. Chicago, IL, USA |
| MITS Altair 8800 soft. | Ping Pong | 1975 | Altair Soft. Distribution Co. |
| HP 2000 soft. | Policy | 1975 | People's Computer Co. |
| HP 2000 soft. | Polut | 1975 | People's Computer Co. |
| Arcade Video game | Princess Cocktail Table | 1975 | PMC Electronics Co., Inc. Southampton, PA, USA |
| Compucorp Programmable Calculator soft. | Projectile | 1975 | Parberry, Ian |
| IBM System/360 soft. | Proscha | 1975 | Huwig, Hagen |
| Arcade Video game | Pursuit | 1975 | Kee Games |
| Slot Machine | Pyramid Model 1071-4 | 1975 | Bally Mfg. Co. Chicago, IL, USA |
| HP 2000 soft. | Quadgt | 1975 | People's Computer Co. |
| Wang 2200 soft. | Qubic | 1975 | Unknown |
| HP 2000 soft. | Qubic5 P | 1975 | People's Computer Co. |
| Pinball | Quick Draw Model 380 | 1975 | Gottlieb & Co., D. Chicago, IL, USA |
| BASIC soft. type-in | Rabbit Chase | 1975 | Creative Computing Soft. |
| Arcade Video game |  Racer Model 592 | 1975 | Midway Mfg. Co. Schiller Park, IL, USA |
| Arcade Video game | Racing | 1975 | Midway Mfg. Co. Schiller Park, IL, USA |
| Raytheon 704 soft. | Raumkrieg | 1975 | Flying Buffalo, Inc. |
| Arcade Video game | Rectangular Model | 1975 | Elcon Industries |
| Coin-op Misc. game | Red Baron | 1975 | Segasa Madrid, Spain |
| Pinball | Red Show | 1975 | Zaccaria Bologna, Italy |
| BASIC soft. type-in | Rescue | 1975 | Oglesby, Mac |
| HP 2000 soft. | Reverse P | 1975 | People's Computer Co. |
| Intel 8008 CPU soft. | Reverse P | 1975 | Unknown |
| Arcade Video game | Ric-O-Chet | 1975 | Allied Leisure Industries, Inc. Hialeah, FL, USA |
| Slot Machine | Ring Master Model 1071-5 | 1975 | Bally Mfg. Co. Chicago, IL, USA |
| Arcade Video game | Robot | 1975 | Allied Leisure Industries, Inc. Hialeah, FL, USA |
| Pinball | Rock on | 1975 | Allied Leisure Industries, Inc. Hialeah, FL, USA |
| Wang 2200 soft. | Rocket P | 1975 | Unknown |
| Slot Machine | Rotary Junior | 1975 | Kansai Enterprise Co., Ltd. Japan |
| Slot Machine | Rotary Pulse | 1975 | Taito Planning Japan |
| Slot Machine | Rotary Pulse Deluxe | 1975 | Kansai Enterprise Co., Ltd. Japan |
