Dr. Muto Codes -

Invincibility:
Submit the code NECROSCI. REMEMBER: This has no effect when you fall from high places.
 

Never take damage:
Submit the code CHEATERBOY.

 

All Gadgets:
Submit the code TINKERTOY.
 

Secret Morphs:
Submit the code LOGGLOGG.
 

All Morphs:
Submit the code EUREKA.
 

Go anywhere:
Submit the code BEAMMEUP.
 

View FMV sequences:
Submit the code HOTTICKET.
 

Super ending:
Submit the code BUZZOFF.