- X-Blades (PS3)
- X-Bladez: Inline Skater (PS1)
- X-COM: Terror from the Deep (PS1)
- X-COM: UFO Defense (PS1)
- X-Men (PS3)
- X-Men Destiny (PS3)
- X-Men Legends II: Rise of Apocalypse (PSP)
- X-Men Origins: Wolverine (PS3)
- X-Men Origins: Wolverine (PSP)
- X-Men vs. Street Fighter (PS1)
- X-Men: Children of the Atom (PS1)
- X-Men: Mutant Academy (PS1)
- X-Men: Mutant Academy 2 (PS1)
- X-Morph: Defense (PS4)
- X-Out Resurfaced (PC)
- X2 (PS1)
- X8 (PS5)
- XBLAZE Code: Embryo (PS3)
- XBLAZE Code: Embryo (PS Vita)
- XBlaze Lost: Memories (PS3)
- XCOM 2 (PS4)
- XCOM: Enemy Unknown (PS3)
- XCOM: Enemy Unknown Plus (PS Vita)
- XCOM: Enemy Within (PS3)
- XDefiant (PS4)
- XDefiant (PS5)
- Xena: Warrior Princess (PS1)
- Xenocracy (PS1)
- Xenogears (PS1)
- Xenon Racer (PS4)
- Xenoraid (PS4)
- Xenoraid (PS Vita)
- Xenosaga Episode I: Der Wille zur Macht (PS2)
- XENOTILT (PS5)
- Xeodrifter (PS4)
- Xeodrifter (PS Vita)
- Xevious 3D/G+ (PS1)
- Xiaolin Showdown (PSP)
- XIII (PS4)
- XIII (PS5)
- Xing: The Land Beyond (PS4)
- XS Airboat Racing (PS1)
- XS Junior League Dodgeball (PS1)
- XS Junior League Football (PS1)
- XS Junior League Soccer (PS1)
- XS Moto (PS1)
- Xtreme Roller (PS1)
- Xuan Yuan Sword 7 (PS4)
- Xyanide Resurrection (PSP)