| getit | Maker | Status | Projects | Rating | Lang | Years | Additional Comments |
| - | Cappelen Forlag | ? | 1 CD | - | - | 1991 | - |
| - | Cappelens Forlag | ? | 1 CD | - | - | ? | - |
| - | CD Exchange | ? | 2 CDs | - | - | 1994 | - |
| - | CDTV Publishing | ? | 10 CDs | - | - | 1991-1993? | - |
| - | Centaur Software | ? | 2 Games, 1 Tool, 2 CDs | 74% | - | 1989-1991? | - |
| - | CFI | ? | 1 CD | - | - | ? | - |
| - | Christian Steiner | ? | 1 Game, 1 CD | 25% | - | 2000? | - |
 | Cinemaware URL | Active | 15 Games, 1 CD | 81% | en | 1986-1993? | This company can't be described with words - they've written history with all their games and finally plan a comeback. |
| CineTech URL | Active | 6 Games, 2 CDs | 63% | en | 1998? | The fantastic adventure game 'Sixth sense investigations' is their baby. |
| Click Boom URL | Active | 4 Games, 3 CDs | 46% | en | 1996-2001 | Click Boom develops and produces some of the best looking Amiga games today. Hits like 'Napalm', 'T-Zero' or 'Nightlong' are coming from them. |
| Cloanto URL | Active | 5 Tools, 3 Websites, 10 CDs | - | it,en | 1991-1996? | - |
| Codemasters URL (featuring Sensible Software) | Active | 52 Games, 1 Reference, 1 CD | 58% | en | 1988-1994? | The creators of the famous Dizzy games are now specialised on super realistic racing simulations like 'Colin McRae Rally', which has won many awards. |
| Coktel Vision URL (part of Sierra) | Active | 28 Games, 1 Reference, 2 CDs | 59% | fr,en | 1987-1993? | In the past Coktel Vision has made some excellent adventure games like 'Gobliiins'. Today they release some of the best education titles. |
| - | Comitato Organizzatore IPISA | ? | 3 CDs | - | it | 1995-1997 | - |
| - | Commodore | Dead | 2 Games, 2 Demos, 1 Tool, 18 CDs | 77% | - | 1989-1994? | Sniff... thanks for everything! |
| - | Competition Pro | ? | 1 CD | - | - | ? | - |
| Computec Verlag URL | Active | 17 Games, 3 Tools, 18 CDs | 52% | de | 1990-1997? | Publisher of famous computer magazines in Germany. |
| - | Computers Corner | ? | 3 CDs | - | - | 1994-1995? | - |
| - | Context Systems | ? | 1 CD | - | - | ? | - |
| Core Design URL (part of Eidos Interactive) | Active | 54 Games, 1 Reference, 12 CDs | 70% | en | 1988-1995? | On all various computer and console systems they're a legend. Rick Dangerous or Lara Croft - they have had the ideas for all these milestones. |
| - | Corkers | ? | 2 CDs | - | - | 1994 | - |
| - | Corporate Media | ? | 1 Tool, 4 CDs | - | - | 1994? | - |
| - | Crual Brothers | ? | 2 CDs | - | - | ? | - |
| Crystal Interactive Software URL (now called Clearwater Interactive) | Active | 4 Games, 1 Reference, 2 CDs | 55% | en | 2000-2001 | Publisher of Amiga games. Highlights like 'Bubble Heroes' or 'Gilbert Goodmate' are coming from them. |
| Crystal Software & Electronics URL | Active | 1 Game, 1 CD | 80% | en | 1998 | Publisher and distributor of some excellent games. |
| - | CTA Developments | ? | 1 CD | - | - | 1993 | - |
| Cyan URL | Active | 1 CD | - | en | 1997 | Developers of the adventure games Myst and Riven. |
| Cyberdreams URL | ? | 1 Game, 2 CDs | 80% | - | 1994 | Cyberdreams are the creators of the horror adventure Darkseed. |
| - | Cyberland | ? | 1 CD | - | - | ? | - |
| getit | Maker | Status | Projects | Rating | Lang | Years | Additional Comments |