Cheats for Ben 10: Alien Force on Wii.
From the main menu go to Bonus Content, then go to Enter Code. Input one of the following codes to unlock the corresponding cheat – if you entered the code correctly a confirmation message will pop-up. After entering the code, go back to the Bonus Content menu, then go to Secrets to turn the unlocked cheats on/off.
Ben, Swampfire, Gwen, Big Chill.
Unlocks Infinite Aliens.
Gwen, Kevin, Big Chill, Gwen.
Unlocks Level Lord.
Kevin, Big Chill, Swampfire, Kevin.
Swampfire, Gwen, Kevin, Ben.
Unlocks All Combos.