| Slot Machine |  Rotary-103 | 1975 | Kansai Enterprise Co., Ltd. Japan |
| Slot Machine | Rotomat Krone 100 | 1975 | Wulff, Günter Berlin, Germany |
| HP 2000 soft. | Roulette | 1975 | Copeland, Glen |
| MITS Altair 8800 soft. | Roulette | 1975 | Altair Soft. Distribution Co. |
| Wang 2200 soft. | Roulette P | 1975 | Ehrlich, Joel |
| HP 2000 soft. | Rover | 1975 | People's Computer Co. |
| IBM System/370 soft. | Samiel | 1975 | Klein & Kruger |
| Pinball | Satin Doll | 1975 | Williams Mfg. Co. Chicago, IL, USA |
| Arcade Video game | Scandia | 1975 | PSE Project Support Engineering Sunnyvale, CA, USA |
| DEC PDP-10 soft. | Schach MV | 1975 | Richter, Helmut |
| BASIC soft. type-in | Schmoo | 1975 | Creative Computing Soft. |
| Coin-op Misc. game | Scramble | 1975 | Mirco Games, Inc. Phoenix, AZ, USA |
| Pinball | Sea Scare | 1975 | Recel, S.A. Madrid, Spain |
| BASIC soft. type-in | Seawar | 1975 | Creative Computing Soft. |
| Slot Machine | Seven Eleven | 1975 | Parker Mfg. Co. John J. Parker |
| Arcade Video game | Shark | 1975 | US Billiards, Inc. Amityville, NY, USA |
| Arcade Video game | Shark JAWS | 1975 | Atari, Inc. CA, USA |
| Arcade Video game | Shark Cocktail Table model | 1975 | US Billiards, Inc. Amityville, NY, USA |
| Wang 2200 soft. | Shells | 1975 | Savord, Bernard |
| Pachinko | Shishimai | 1975 | Sankyo Tokyo, Japan |
| Tektronix 4050 soft. | Shoot | 1975 | Unknown |
| Gun game | Shooting Trainer | 1975 | Nintendo Co., Ltd. Japan |
| HP 2000 soft. | Simsex | 1975 | Vasarhelyi & Mock & Allen |
| Gun game | Six Shooter | 1975 | JEA Games |
| Arcade Video game | Ski | 1975 | Allied Leisure Industries, Inc. Hialeah, FL, USA |
| Slot Machine | Skipper Special | 1975 | Vend Japan Co., Ltd. |
| Slot Machine | Skipper Special-2 | 1975 | Vend Japan Co., Ltd. |
| Arcade Video game | Slam | 1975 | Mirco Games, Inc. Phoenix, AZ, USA |
| HP-65 soft. | Slot Machine | 1975 | Hewlett-Packard |
| Coin-op Misc. game | Smashmatic | 1975 | Nintendo Co., Ltd. Japan |
| HP 2000 soft. | Snark P | 1975 | People's Computer Co. |
| Pinball | Soccer Model 368 | 1975 | Gottlieb & Co., D. Chicago, IL, USA |
| CDC Cyber soft. | Sortie | 1975 | Becker, Stephen |
| Medal mechanical game | Sounder Stop | 1975 | Fuji Enterprise Co., Ltd. |
| Arcade Video game | Speed Race Deluxe | 1975 | Taito Corp. Japan |
| Pinball | Speed Rush | 1975 | Playmec Bologna, Italy |
| Coin-op Misc. game | Speed Toucher | 1975 | Taito Planning Japan |
| Pinball | Spin Out Model 375 | 1975 | Gottlieb & Co., D. Chicago, IL, USA |
| Pinball | Spirit of 76 Model 381 | 1975 | Gottlieb & Co., D. Chicago, IL, USA |
| Bowler | Sportacard | 1975 | UBI United Billiards, Inc. Union, NJ, USA |
