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

• Less Joust Time
  GLUOZGLV
• Stop Joust Timer
  GZXXLUVK
• Less Cannonball Time
  GLOEGALV
• Stop Cannonball Time
  GZEPGOVK
• Less Wall Time
  GLKXXZLV
• Stop Wall Timer
  GXOXEXVS
• More Assault Time
  LTXATNIL
• Less Assault Time
  PZXATNIU
• Stop Assault Timer
  GZSAINVK
• More Power Ball Time (Level 1)
  LTSOZOIL
• More Power Ball Time (Level 2)
  LTSOLOAL
• More Power Ball Time (Level 3)
  LTSOGPLL
• More Power Ball Time (Level 4)
  LTSOIOTZ

Player 1 Codes

• Start With 1 Life
  PEXALTIA
• Start With 8 Lives
  AEXALTIE
• Start With 10 Lives
  ZEXALTIE
• Start With 20 Lives
  GOXALTIA
• Start On Level 2
  PEXAPTAA
• Start On Level 3
  ZEXAPTAA
• Start On Level 4
  LEXAPTAA

Player 2 Codes

• Start With 1 Life
  PEVALTIA
• Start With 8 Lives
  AEVALTIE
• Start With 10 Lives
  ZEVALTIE
• Start With 20 Lives
  GOVALTIA
• Start On Level 2
  PEVAPTAA
• Start On Level 3
  ZEVAPTAA
• Start On Level 4
  LEVAPTAA