• X-Out – Arc Developments, Rainbow Arts 1990 – shooter
• Xadom – Mike Moscoff, Quicksilva 1983
• Xanthius – Players 1987
• Xarax – Firebird 1988 – shooter
• Xcel – Graeme Devine, Activision 1985 – shooter
• Xecutor – Cybadyne, ACE 1987 – shooter
• Xeno – Binary Design, A’n’F Software 1986
• Xenon – Icon Design, Melbourne House 1988 – shooter
• Xenophobe – Visage, Micro Style 1989
• Xevious – Probe, US Gold 1987 – shooter
• XOR – Astral Software, Logotron 1987 – puzzle
• Xybots – Teque, Domark 1989

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