At the "Bonus Content" menu, select the "Enter Code" option. Enter the code at the "Secret Cheat" screen to unlock the code. Then enable the code at the "Secrets" menu.
Enter Swampfire, Gwen, Kevin, Ben
Infinite Aliens
At the "Bonus Content" menu, select the "Enter Code" option. Enter the code at the "Secret Cheat" screen to unlock the code. Then enable the code at the "Secrets" menu.
Enter Ben, Swampfire, Gwen, Big Chill
Invincibility
At the "Bonus Content" menu, select the "Enter Code" option. Enter the code at the "Secret Cheat" screen to unlock the code. Then enable the code at the "Secrets" menu.
Enter Kevin, Big Chill, Swampfire, Kevin.
Level Lord
At the "Bonus Content" menu, select the "Enter Code" option. Enter the code at the "Secret Cheat" screen to unlock the code. Then enable the code at the "Secrets" menu.