| Game Name | System |
|---|
| Xiaolin Showdown (USA) | PSP |
| Xiller (1990)(Wheee the Fibble)(PD) | Atari ST |
| Xin Qigai Wangzi (China) (Alt) (Unl) | Genesis |
| Xin Qigai Wangzi (China) (Unl) | Genesis |
| Xing He Zhan Shi (China) (Unl) | NES |
| Xing Ji Zheng Ba (China) (Unl) | NES |
| Xing Yun Man Guan (China, V651C) | MAME |
| Xing Zhan Qing Yuan (China) (Unl) | NES |
| Xiphon (1990)(Electronic Zoo)(M3) | Atari ST |
| Xiphos | Amiga |
| Xiphos (1990)(Electronic Zoo)(M3) | Atari ST |
| Xiphos (1990)(Electronic Zoo)(M3)(Disk 1 of 2) | Atari ST |
| Xiphos (1990)(Electronic Zoo)(M3)(Disk 2 of 2) | Atari ST |
| Xiv Beogradska Gimnazija (1984)(Pandovisia)(UNK-LANG) | ZX Spectrum Z80 |
| Xiv Beogradska Gimnazija (1984)(Pandovisia)[a](UNK-LANG) | ZX Spectrum Z80 |
| Xiv Beogradska Gimnazika (1984)(Pandovisia)(UNK-LANG) | ZX Spectrum (TAP) |
| Xixit (1995)(Optik Software Webfoot Technologies Inc) | DOS |
| Xixit (1995)(Optik Software) | DOS |
| Xlator (1994)(Shields, G.)(SW)[b] | Atari ST |
| Xmas Carol (19xx)(Micro User)[CAROL start-music] [SSD] | BBC Micro |
| Xmas Ludo (1987)(Gremlin Graphics) | ZX Spectrum Z80 |
| Xmas Ludo (1987)(Gremlin Graphics)[a] | ZX Spectrum Z80 |
| Xna (1991)(Fairytale)(Disk 1 of 4)(Disk A) | X68K |
| Xna (1991)(Fairytale)(Disk 1 of 4)(Disk A)[a] | X68K |
| Xna (1991)(Fairytale)(Disk 2 of 4)(Disk B) | X68K |
| Xna (1991)(Fairytale)(Disk 3 of 4)(Disk C) | X68K |
| Xna (1991)(Fairytale)(Disk 4 of 4)(Disk D) | X68K |
| Xonix (1984)(Ilan Rav) | DOS |
| Xonix (1987)(A. Surna) | ZX Spectrum (TAP) |
| Xonix 2.2 (1985)(Ilan Rav) | DOS |
| Xor (1987)(Astral Software) | ZX Spectrum Z80 |
| Xor (1987)(Astral Software)[a] | ZX Spectrum Z80 |
| Xor (1987)(Atari Corp.)[cr Bladerunners] | Atari ST |
| Xor (1987)(Logotron)[t] | ZX Spectrum (TAP) |
| Xor (1987)(Proxima Software)(Cz) | ZX Spectrum (TAP) |
| Xor (1987)(Proxima Software)(Cz)[a] | ZX Spectrum (TAP) |
| Xor (19xx)(GCC Software)(128k)(UNK-LANG) | ZX Spectrum Z80 |
| Xor (E) | C64 Tapes |
| Xor (UK) (1987) | CPC |
| Xor (UK) (1987) [a1] | CPC |
| Xor World (prototype) | MAME |
| Xor v1.12 (1989)(Melvin, Robert) | Atari ST |
| Xploder Advance (E)(GWA) | GBA |
| Xploder Advance (E)(Independent) | GBA |
| Xploder Mp3 (PAL) | DC |
| Xplora 1 Peter Gabriel's Secret World (CD-i) | CD-I |
| Xpress (Pcp) (ACESYS1) | MAME |
| Xquest (1996)(Atomjacks) | DOS |
| Xtal - Adventure in Space | Atari 800 |
| Xtra Cash Casino (Dutch) (Bellfruit) (Scorpion 4) | MAME |
| Xtreme Party (Spain) | PSP |
| Xtreme Rally / Off Beat Racer! | MAME |
| Xtreme Speed (Europe) | PS2 |
| Xtreme Sports (USA) | DC |
| Xtreme Sports (USA) | GBC |
| Xtreme Wheels (Europe) | GBC |
| Xtreme Wheels (USA) | GBC |
| Xtrial Racing (ver JAB) | MAME |
| Xtron (1986)(RDS-Software) | Atari ST |
| Xtron (1986)(RDS-Software) | Atari ST |
| Xtron (1986)(RDS-Software)[b] | Atari ST |
| Xtroth The Adventure (1985)(Automata UK) | ZX Spectrum (TAP) |
| Xtroth The Adventure (1985)(Automata UK) | ZX Spectrum Z80 |
| Xump | DC |
| Xword, The (19xx)(David Lockett) | ZX Spectrum Z80 |
| Xyad Plot (19xx)(-) | ZX Spectrum Z80 |
| Xyanide (Japan) | PSP |
| Xyanide - Resurrection (Europe) (En,Fr,De,Es,It) | PS2 |
| Xyanide Resurrection (China) | PSP |
| Xyanide Resurrection (Europe) | PSP |
| Xybots | Amiga |
| Xybots (1989)(Domark) | ZX Spectrum (TAP) |
| Xybots (1989)(Domark)(128k) | ZX Spectrum Z80 |
| Xybots (1989)(Domark)(Disk 1 of 2) | Atari ST |
| Xybots (1989)(Domark)(Disk 2 of 2) | Atari ST |
| Xybots (1989)(Domark)[cr V8] | Atari ST |
| Xybots (1989)(Domark)[cr V8][t] | Atari ST |
| Xybots (1989)(Domark)[cr] | Atari ST |
| Xybots (French, rev 3) | MAME |
| Xybots (German, rev 3) | MAME |
| Xybots (UK) (1989) | CPC |
| Xybots (UK) (1989) [a1] | CPC |
| Xybots (UK) (1989) [t1] | CPC |
| Xybots (USA) (Unl) (Proto) | NES |
| Xybots (USA, Europe) | Lynx |
| Xybots (rev 0) | MAME |
| Xybots (rev 1) | MAME |
| Xybots (rev 2) | MAME |
| Xyonix | MAME |
| Xyphoes Fantasy (UK) (1991) (Disk 1 of 2) [a1] | CPC |
| Xyphoes Fantasy (UK) (1991) (Disk 1 of 3) | CPC |
| Xyphoes Fantasy (UK) (1991) (Disk 1 of 3) [f1][t1] | CPC |
| Xyphoes Fantasy (UK) (1991) (Disk 1 of 3) [t1] | CPC |
| Xyphoes Fantasy (UK) (1991) (Disk 2 of 2) [a1] | CPC |
| Xyphoes Fantasy (UK) (1991) (Disk 2 of 3) | CPC |
| Xyphoes Fantasy (UK) (1991) (Disk 2 of 3) [f1][t1] | CPC |
| Xyphoes Fantasy (UK) (1991) (Disk 2 of 3) [t1] | CPC |
| Xyphoes Fantasy (UK) (1991) (Disk 3 of 3) | CPC |
| Xyphoes Fantasy (UK) (1991) (Disk 3 of 3) [a1] | CPC |
| Xyphoes Fantasy (UK) (1991) (Disk 3 of 3) [f1][t1] | CPC |
