Cheat Mode
Enter these cheats under secrets after pausing:

Destroys everything in surroundings: SMARTBOMB
Speed up gameplay: SASSMODE
Restore 25% health: UUDDLRLRBAS
One hit kills: KRONOS
Eye lasers: GAZERBEAM
Infinite incredi-power for Elastigirl: FLEXIBLE
Infinite incredi-power for Mr. Incredible: SHOWTIME
Fire trail: ATHLETESFOOT
Big heads: EINSTEINIUM
Small heads: DEVOLVE
Show Intro: HI
Show Credits: YOURNAMEINLIGHTS
Hide Bar on Top Left: BHUD
Slow motion player: BWTheMovie
Mouse horizontal camera control switched: InvertCameraX
Mouse vertical camera control switched: InvertCameraY
Reverse movement with Nomansian Island turret: InvertTurret
Some objects flash different colors: DiscoRules
Brightness/bright colors: EMode
Easier game: BoaPlace
Henchmen always launch death shrapnel: Dandruff
Battle mode: RotAIDalg
Beat levels with Bombvoyage: Labombe
Deactivate all active codes: TheDudeAbides

Unlock All Missions
Open your "in.ini" file (from the IncrediblesGame folder) with Notepad. On a new line, add "AllowMasterCheats = 1" and save the file. Then, go to the secrets menu in the game and enter the code "UNLOCK".

Unlimited Health
Open your "in.ini" file (from the IncrediblesGame folder) with Notepad. On a new line, add "g.TakeDamage = 0" and save the file.