The following are known Game Genie Codes for The Uncanny X-Men on Nintendo Entertainment System (NES).

• Infinite Energy
  SXEEXIST
• Half Energy For Wolverine
  GVUZPOEG
• Half Energy For Cyclops
  GVUZYOEG
• Half Energy For Nightcrawler
  PKUXIPXA
• Half Energy For Iceman
  YSKZLOVU
• Half Energy For Colossus
  YNKXPONN
• Half Energy For Storm
  ASKXYPEZ