Groups
- colors 23
- colosseum 41
- colossus 2
- colour and shape 7
- colt 31
- colt-run 9
- coma 1
- comachi 2
- comagire 18
- combat mon-mon 38
- combin ation 1
- come through 129
- comecue 7
- comet 21
- comex 100
- comic boll 3
- comic empire 9
- comic kingdom 18
- comic laboratory 1
- comic onacchi 16
- comic opera 1
- comic paro henshuubu 1
- comical syndicate 11
- comics toons 154
- comics way 2
- cominaya 9
- commamion 85
- command plus z 7
- commanding eagle 32
- commando 3
- commelina 2
- como esta 4
- comodo 2
- comomo 19
- comoyoko 1
- compact software 8
- company-n 11
- compile heart 3
- complete box 63
- complets 55
- complex 12
- compote 2
- computer brain 1
- con 1
- con-patch 2
- conami.cc 1
- concent 2
- concept 8
- concerto 5
- concrete river 4