Master of Monsters — Cheat codes

See Ending Credits

At the Title Screen, hold Ⓐ + Ⓑ + Ⓒ, then press Start to enter the sound test, then hold Ⓐ + Ⓑ + Ⓒ and Start again to see the credits.

Sound Test

At the Title Screen hold Ⓐ + Ⓑ + Ⓒ, then press Start.