The following are known Game Genie Codes for Cliffhanger on SEGA Genesis.

• Take No Damage From Some Enemies
  AVZT-CA6R
• Infinite Lives
  ABCT-AADR
• Turbo Mode
  AAWA-AA52
• You Die With One Hit
  AKYT-CAV2
• Once You Are Knocked Down Or Shot You Will Be Invincible For The Rest of The Level
  AT7T-AA6R
• Invincible To All Attacks With The Exception of Throws
  ABYA-CA6Y
• Invincible Against Throws
  AA1A-CA76
• Do Not Stumble Over (On Running Stages)
  RZNT-C60C