This game is also available on DS.
Retro Game Cheats for Worms: Open Warfare (Sony PSP)
Effect: Special Team
When:
During the game
How:
Go to challenges and press: X, X, O, X and you will unlock the master team/special team called the All Stars.
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Effect: Unlocks Challenge one mode
Effect: Unlimited Ammo
When:
Edit Schemes Menu
How:
Choose the option "Create New Scheme" and enter a name for your scheme. There, you can change the number of rounds, turn time, round time and retreat time, and you can edit the weapons sets by choosing 'Edit Weapon Set.' Choose the weapon you want to edit and change the ammo value to the infinity symbol to give unlimited ammo for that weapon.
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