The following are known Game Genie Codes for Spelunker on Nintendo Entertainment System (NES).

• Infinite Lives
  IXOOPSVK
• Start With 1 Life
  AANATPZA
• Start With 6 Lives
  IANATPZA
• Start With 9 Lives
  AANATPZE
• Become Invisible!
  AEXAYTAP
• Become Invincible
  ATKPAIAZ
  TUEEYKNN
  GXOAPKIX
• Jump A Little Higher
  SNEAKEVN
  EANEEAAA
  Note: This is the largest possible amount of height that can be added with you still being able to get onto the Elevator.