| X Games Pro Boarder | SCES-01556 | 15 Nov 1998 |
| X'treme Roller | SLES-03433 | 24 Oct 2002 |
| X-Bladez: Inline Skater | SLES-03815 | 22 Mar 2002 |
| X-COM: Enemy Unknown | SLES-00054 | 15 Nov 1995 |
| X-COM: Terror from the Deep | SLES-00077 | 1 Dec 1996 |
| The X-Files | SCES-01565 | 2 Nov 1999 |
| X-Men vs. Street Fighter | SLES-01247 | 27 Nov 1998 |
| X-Men: Children of the Atom | SLES-00198 | 27 Feb 1998 |
| X-Men: Mutant Academy | SLES-02865 | 18 Aug 2000 |
| X-Men: Mutant Academy 2 | SLES-03630 | 20 Sep 2001 |
| X2 | SLES-00455 | 15 Nov 1996 |
| XS Airboat Racing | SLES-04101 | 10 Jun 2003 |
| XS Junior League Soccer | SLES-04120 | 29 Sep 2004 |
| XS Moto | SLES-04095 | 7 Oct 2004 |
| Xena: Warrior Princess | SLES-02265 | 15 Oct 1999 |
| Xenocracy | SLES-00811 | 15 Jul 1998 |
| Xevious 3D-G+ | SCES-00736 | 15 Aug 1997 |