X
- xBaK for Betrayal at Krondor
- xclannad for Clannad. Also see english patches
- xkanon for running Key ren'ai games using the AVG32 engine, especially Kanon. See also english patches.
- xrick for Rick Dangerous.
- xu4 for Ultima IV
- x-com-reloaded for UFO: Enemy Unknown & X-COM: Terror from the Deep
Read more about this topic: Game Engine Recreation