| Name | Types | |
|---|---|---|
| 13Leagues | Developer | |
| 13floor | Developer | |
| 13sfaith | Developer | |
| 14 Bis Studios | Developer | |
| 14 Degrees East | DeveloperPublisher | |
| 145 Team | Developer | |
| 14DomitM | Developer | |
| 14hourlunchbreak | Developer | |
| 1564 Studio | Developer | |
| 158 | Developer | |
| 16 story bits | Developer | |
| 16180 | Developer | |
| 1694669759@qq.com | Developer | |
| 16T1Studio2 | Developer | |
| 16bitnights | Developer | |
| 17-BIT | Developer | |
| 17-Bit | DeveloperPublisher | |
| 171 | Developer | |
| 17Studio | Developer | |
| 17cupsofcoffee | Developer | |
| 18Light | Developer | |
| 18gbuchanan | Developer | |
| 1986 CL3 | Developer | |
| 1988stevenm | Developer | |
| 198aegame | Developer | |
| 1998guys | Developer | |
| 1ByteUniverse | Developer | |
| 1C | Publisher | |
| 1C Company | DeveloperPublisher | |
| 1C Entertainment | DeveloperPublisher | |
| 1C Games | Publisher | |
| 1C Online Games | Publisher | |
| 1C Publishing EU | Publisher | |
| 1C:Ino-Co | Developer | |
| 1C:Maddox Games | Developer | |
| 1CC Games | Developer | |
| 1KawaiiTomato | Developer | |
| 1SPEED | Developer | |
| 1StepCloser | Developer | |
| 1StupidRat | Developer | |
| 1UpCreations | Developer | |
| 1_dat_codes | Developer | |
| 1al35 | Developer | |
| 1amowery | Developer | |
| 1f1n1ty | Developer | |
| 1hitChris | Developer | |
| 1man4all | Developer | |
| 1naB | Developer | |
| 1oogames | Developer | |
| 1peck | Developer |