| Title | Year | Genre |
|---|---|---|
| X-Bladez - Inline Skater | 2002 | Sports |
| X-COM - Enemy Unknown | 1995 | Strategy |
| X-COM - Michi Naru Shinryakusha | 1997 | Strategy |
| X-COM - Terror from the Deep | 1996 | Strategy |
| X-COM - UFO Defense | 1995 | Strategy |
| X-Files, The | 1999 | Adventure |
| X-Games Pro Boarder | 1998 | Snowboarding |
| X-Men - Children of the Atom | 1998 | Fighting |
| X-Men - Mutant Academy | 2000 | Fighting |
| X-Men - Mutant Academy 2 | 2001 | Fighting |
| X-Men vs. Street Fighter | 1998 | Fighting |
| X-Men vs. Street Fighter EX Edition | 1998 | Fighting |
| X.Racing | 1998 | Racing |
| X'treme Roller | 2001 | Sports |
| X2 - No Relief | 1996 | Shooter |
| Xena - Warrior Princess | 1999 | Action |
| Xenocracy - The Ultimate Solar War | 1998 | Action |
| Xenogears | 2000 | RPG |
| Xevious 3D/G+ | 1997 | Shooter |
| XI | 1998 | Puzzle |
| XI | 1999 | Puzzle |
| XS Airboat Racing | 2003 | Racing |
| XS Junior League Dodgeball | 2003 | Sports |
| XS Junior League Football | 2003 | Football US |
| XS Junior League Soccer | 2004 | Soccer |
| XS Moto | 2002 | Moto racing |
