Xbox - X
- X-Box, Hardware
- X-Men - Legends
- X-Men - Next Dimension
- X-Men - the Official Game
- X-Men - Wolverine's Revenge
- X-Men 2 - Wolverine's Revenge
- X-Men Legends
- X-Men Legends 2
- X-Men Legends 2 - Rise of Apocalypse
- X-Men Legends 2 - Rise of the Apocalypse
- X2 - Wolverine's Revenge
- X3 - Reunion
- Xavier Fox - the Lost City
- Xbox
- Xbox Exhibition Volume 1
- Xbox Exhibition Volume 2
- Xbox hardware
- Xbox live
- Xbox Live Arcade
- Xbox System
- XGRA
- XGRA - Extreme G Racing Association
- XGRA - Extreme-G Racing Association
- Xiaolin Showdown
- XIII
- Xyanide