Game companies starting with letter 0-9
| Company name | Games | Founded | Location | Www |
|---|---|---|---|---|
| 2015 | 1 | 1997 | Tulsa, Oklahoma, USA | |
| 21st Century Entertainment | 1 | 1991 | Oxfordshire, England | |
| 221B Software Development | 3 | 1991 | United Kingdom | |
| 3D Realms | 1 | 1994 | Garland, TX, USA | www |
| 3DO Company, The | 2 | 1991 | Redwood City, California, U.S. | www |
| 7th Level | 1 | 1993 | Dallas, Texas, USA | |
| 8th Day, The | 1 | 1991 | United Kingdom | |
| 989 Studios | 1 | 1995 | Los Angeles, CA, United States |
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