| Map | Title | Author | Players | |
|---|---|---|---|---|
| CAFE | CAFE | someone | Unknown | |
| caketest | caketest | BiZarro | Unknown | |
| CamelotCF | CamelotCF | Robert A. Wey and ÐJ_§kàárj | 16 | |
| Canals | Ancient Canals | Kimmo [Modded By Rubie For Coopgame] | 4-12 | |
| CastleMar | Castle Marrsmar | KJS | Unknown | |
| CFF | CRAZY FOR FIGHT | Unknown | Unknown | |
| Chess | Chess | James Staton Richardson | Unknown | |
| COWARENA | COWARENA | Unknown | Unknown | |
| Crashed | The Crash Site | Shinigami | Unknown | |
| CrystalMine2 | CrystalMine2 | Terraniux Modded By Rubie for CoopGame | Unknown |