Cheat List
Enter the cheats below in the cheats screen of the Options menu:
Everything Unlocked: I WANT IT ALL
Extra Difficulty: NAILS
Infinite Health: FIRST AID
Infinite Superpower: JUICED UP
Make Test of Strength Easy: SORE FINGER
No Superpower: JOR EL
Play as Clark Kent: SECRET IDENTITY
Play as Parasite: FEELING DRAINED
Reverse Controls: SUPERMAN
Slow Motion Mode: SLOW MOTION
Turn off Time Limits: STOP THE CLOCK
Unlock All Level Attack Stages: SIGHTSEEING
Unlock All Character Biographies: INTERVIEW
Unlock All Intermission Sequences: POPCORN
Unlock Explore Metropolis Mode: WANDERER
Unlock Shooting Gallery and Item Hunt: CREEP
Unlock Silent Movie Mode: RETRO