| Atari ST disk |  Chamonix Challenge | 1987 | Infogrames Interactive, Inc. 329720 |
| Atari ST disk | Champion of the Raj | 1991 | Mirrorsoft, Ltd. England |
| Atari ST disk | Championship Baseball | 1987 | Gamestar |
| Atari ST disk | Championship Cricket | 1988 | Crysys Soft. |
| Atari ST disk | Championship Manager | 1992 | Domark Group, Ltd. |
| Atari ST disk | Championship Manager End of Season 1994 | 1994 | Domark Group, Ltd. |
| Atari ST disk | Championship Water-Skiing | 1987 | Infogrames Interactive, Inc. 329720 |
| Atari ST disk | Championship Wrestling | 1986 | Epyx, Inc. Redwood City, CA, USA |
| Atari ST disk | Chaos Strikes Back | 1991 | FTL Faster Than Light |
| Atari ST disk | Charge of the Light Brigade | 1991 | Impressions |
| Atari ST disk | Chariots of Wrath | 1989 | Impressions |
| Atari ST disk | Chase | 1988 | Mastertronic, Ltd. UK 012967 |
| Atari ST disk | Chase H.Q. | 1989 | Ocean Soft., Ltd. 13156 |
| Atari ST disk | Chase H.Q. II | 1990 | Ocean Soft., Ltd. 13156 |
| Atari ST disk | Chess Player 2150 | 1989 | Oxford Softworks |
| Atari ST disk | Chess Simulator | 1990 | Infogrames Interactive, Inc. 329720 |
| Atari ST disk | Chicago 30's | 1989 | US Gold, Ltd. Birmingham, England 13442 |
| Atari ST disk | Chicago 90 | 1989 | Microïds |
| Atari ST disk |  Chicago 90 Model 902 | 1991 | EDOS Electronic Distribution of Software |
| Atari ST disk | Chip's Challenge | 1990 | US Gold, Ltd. Birmingham, England 13442 |
| Atari ST disk | Chips Challenge | 1990 | Epyx, Inc. Redwood City, CA, USA |
| Atari ST disk | Chrono Quest | 1988 | Psygnosis, Ltd. |
| Atari ST disk | Chrono Quest II | 1988 | Psygnosis, Ltd. |
| Atari ST disk | Chubby Christle | 1988 | Grandslam Ent., Ltd. |
| Atari ST disk | Chuck Rock | 1991 | Core Design, Ltd. |
| Atari ST disk | Chuck Yeager's Advanced Flight Trainer Ver.2 Model 3299 | 1990 | Electronic Arts CA, USA 14633 |
| Atari ST disk | Chuckie Egg P | 1988 | Pick & Choose, Ltd. |
| Atari ST disk | Chuckie Egg II | 1989 | Pick & Choose, Ltd. |
| Atari ST disk | Circus Games | 1988 | Tynesoft Computer Soft. |
| Atari ST disk | Civilization | 1993 | MicroProse, Ltd. Bristol, UK 015352 |
| Atari ST disk | Cloud Kingdoms | 1990 | Millennium Interactive, Ltd. |
| Atari ST disk | Cobra II | 1992 | Loriciels France |
| Atari ST disk | Code Route | 1989 | Loriciels France |
| Atari ST disk | Codename: ICEMAN Model 16360 | 1990 | Sierra On-Line, Inc. USA 20626 |
| Atari ST disk | Colonial Conquest | 1987 | SSI Strategic Simulations, Inc. 16685 |
| Atari ST disk | Colorado | 1990 | Silmarils France |
| Atari ST disk | Colossus Chess X | 1989 | CDS Soft., Ltd. |
| Atari ST disk | Combo Racer | 1990 | Gremlin Graphics Soft., Ltd. 013658 |
| Atari ST disk | Computer Third Reich Model 45958 | 1991 | Microcomputer Games |
| Atari ST disk | Conflict Europe | 1989 | PSS Personal Soft. Services 012484 |
