X-15 ALPHA MISSION (ACTIVISION) SGF (Arnold)
 X-15 ALPHA MISSION Blast 279 ( Arnold )
 X-15 ALPHA MISSION RIK 89 ( Arnold )
 X-97 TAKEOVER INVITE DEMO (SCS+TRC) SGF (Arnold)
 XAVIER ( BINARY ZONE ) SGF ( D.D. )
 XENO Blast 232 ( Arnold )
 XENOMORPH (PANDORA) - FAST LOADER SGF (Arnold)
 XENON ( MELBOURNE HOUSE ) SGF ( D.D. )
 XENOPHOBE (MICROSTYLE) - FAST LOADER SGF (Arnold)
 XERONS 4000 (Arnold)
 XERONS Blast 120 ( Arnold )
 XERONS RIK 15 ( Arnold )
 XEVIOUS (NOT ARCADE) RIK 79 ( Arnold )
 XEVIUS I (VIENNA SOFT) SGF (Arnold)
 X-OUT (RAINBOW ARTS) - FAST LOADER SGF (Arnold)
 XYBOTS misca1 (Arnold)
 XYZ-SOFT DEMO (XYZSOFT) SGF (Arnold)