All Gadgets - Enter "TINKERTOY" as a code.
All Morphs - Enter "EUREKA" as a code.
Easy Isotopes - Zap the television in Muto's house to get 10 Isotopes.
Go anywhere - Enter "BEAMMEUP" as a code.
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.
Secret Morphs - Enter "LOGGLOGG" as a code.
Super ending - Enter "BUZZOFF" as a code.
View FMV sequences - Enter "HOTTICKET" as a code.