Super Cherry Gold (bootleg of Super Cherry Master)
Strike
Space Intruder (Japan)
Airwolf
X68000
Xain'd Sleena (SC 3.0, Magnet System)
Xevious (Atari, harder)
Xexex (ver EAA)
Xain'd Sleena (bootleg, bugfixed)
Xain'd Sleena (Japan)
Xexex (ver AAA)
Xain'd Sleena (bootleg)
Xexex (ver JAA)
X68000 XVI
X68000 Super
X68030
Xerox 16/8
Xenon
X2222 (5-level prototype)
Xerox 820-II
Consolas
