X-Men vs Street Fighter (961023 USA)

X-Men – children of the atom (950105 USA)

X-Men (2 Players ver AAA)

X-Men vs Street Fighter (960910 USA)

Xain’d Sleena (World)

X-Men (2 Players ver EAA)

Xevious (Namco)

Xevious 3D/G (World, XV32/VER.B)

X-Men (4 Players ver UBB)

X-Men vs Street Fighter (960909 Japan)

X-Men vs Street Fighter (960910 Euro)

Xain’d Sleena (Japan)

X2222 (final debug?)

X-Men vs Street Fighter (960910 Asia)

X-Men vs Street Fighter (961004 USA Phoenix Edition) [Bootleg]

X-Men (4 Players ver ADA)

X-Men vs Street Fighter (961004 USA)

X-Men (2 Players ver UAB)

X-Men – children of the atom (941217 Asia)

X-Men vs Street Fighter (960910 Japan)

Xenophobe

X-Men: Children of the Atom (Euro 950331)

X-Men vs Street Fighter (961023 Brazil)

X-Men – children of the atom (950105 Euro Phoenix Edition) [Bootleg]