Doki Doki Panic Game Genie Code: SVVITL - sounds constantly change when moving through the level
Doki Doki Panic Game Genie Code: NAVPAI + SVVPAI - Randomly spawning enemies (including Wart)
Doki Doki Panic Game Genie Code: SIKSIK - Weird sound effects
Doki Doki Panic Game Genie Code: NXOSAL - Some sounds sound like birds
Doki Doki Panic Game Genie Code: SZXITL - Sound effects play in fluctuating pitches
Doki Doki Panic Game Genie Code: EONEEN - Picking up stuff causes strange stuff to happen
Doki Doki Panic Game Genie Code: IOOELL - Exploding bombs cause bright flashy colors
Doki Doki Panic Game Genie Code: ATTOSA - Strange looking/behaving enemies and objects
Doki Doki Panic Game Genie Code: SOUKAS - Glitched rocket on World 7-1
What else not to do with Doki Doki Panic
Super Mario Bros. 2 Game Genie Code: PPGAPK - Weird and glitched enemies
Super Mario Bros. 2 Game Genie Code: PAVEPK - Shadow characters and glitched enemies
Super Mario Bros. 2 Game Genie Code: OAVALV - Strange things will happen and lots of crashes
Localization Series #1 - Yume Kōjō: Doki Doki Panic, Super Mario Brothers 2, And Super Mario USA