Cheat Codes for Karate Joe

Platform: Game Boy Color

4 Codes Found 
  1. Infinite Health

    910526d0
  2. Infinite Lives

    910914c3
  3. Max Score

    910924c3
    910925c3
    910926c3
    910927c3
    910928c3
    910929c3
    91092ac3
  4. Max Level

    91094bc3