X The Adventure
1989 Hungarian 64K

X-base
1998 English 64K

X-Bázis
1990 Hungarian 64K

X-Bázis+
1991 Hungarian 64K

X-lines
1988 English 16K

X-Massacre
2022 English 16K

X-Wing
1995 English 64K

X-Wing 2.0
1998 English 64K

Xadium
1987 English 16K

Xadium (C16/MSX 19)
1988 Italian 16K

Xadium (Go Games 45)
1989 English 16K

Xamok
1986 Italian 16K

Xanadu
1989 English 16K

Xanadu (Go Games 32)
1988 English 16K

Xanadu (Go Games 41)
1989 English 16K

Xanadu Vára
Hungarian 16K

Xargon
1990 Italian 16K

Xargon (Byte Games 18)
1988 English 16K

Xargon (Go Games 42)
1989 English 16K

Xargon (Go Games 44)
1989 English 16K

Xargon (Tecniche Nuove)
1986 Italian 16K

Xargon Wars
1984 English 16K

Xargon Wars (Armati)
1985 English/Italian 16K

Xargon Wars (Byte Games 13)
1987 Italian/English 16K

Xargon Wars / Blaze
16K

Xargon Wars / Tycoon Tex
English 16K

Xargon's Revenge
1985 English 16K

Xavier
1990 Italian 16K

XCellor8
1986 English 16K

XCellor8 (Armati)
English 16K

Xedus
1988 Italian 16K

Xelien
1988 English 16K

Xelien (Go Games 48)
1989 English 16K

Xeno
1987 Italian 16K

Xenon Wars
1986 English 16K

XeO3
2008 English 64K

Xlife
2014 English 64K

Xplode Man
2014 English 64K

XY-Germany
1988 German 32K

Xzap
1984 English 16K

Xzap (Sigma)
Spanish 16K