Invincibility
Enter "NECROSCI" as a code. Note: This has no effect when you fall from high places.
Never take damage
Enter "CHEATERBOY" as a code.
All Gadgets
Enter "TINKERTOY" as a code.
All Morphs
Enter "EUREKA" as a code.
Secret Morphs
Enter "LOGGLOGG" as a code.
Go anywhere
Enter "BEAMMEUP" as a code.
View FMV sequences
Enter "HOTTICKET" as a code.
Super ending
Enter "BUZZOFF" as a code.
Easy Isotopes
Zap the television in Muto's house to get 10 Isotopes.