The following are known Game Genie Codes for Mouse Trap Hotel on Nintendo Game Boy.

• 043-38F-E62
  Start with 4 lives
• 063-38F-E62
  Start with 6 lives
• 083-38F-E62
  Start with 8 lives
• FA2-0CD-4C1
  Infinite lives
• FA6-E9F-4C1 + FA6-DAF-4C1
  Collect cookie for invincibility against balls, etc…