Enter the following code at the skill screen to access level selection, invincibility, and all weapons options.
Effect Code access cheat mode Press Up, Right, Down, Left, Up, Left, Down, Right
Contributed By: BXBomber.
View Ending Sequence
Enter this code while on the difficulty screen.
Effect Code View the Ending Sequence Up, Up, Up, Up, Down, Down, Down, Down
Contributed By: Mezmorize99.
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