Dr Muto Codes -

Invincibility:
Submit the code NECROSCI. But you can't 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.