Pause the game, select "Options", then "Cheats". Enter one of the following case-sensitive codes to activate the corresponding cheat function:

Invincibility

Enter "everythingproof" as a password.

Infinite Ben10 Alien's energy

Enter "generator" as a password.

Full upgrades

Enter "herotime" as a password.

All ten aliens after Ben loses all aliens

Enter "primus" as a password.

Advance to next level cutscene

Enter "portal" as a password.

Big Smoothy

Enter "xlsmoothy" as a password.

Toggle HUD health and energy display

Enter "hud" as a password.