Worms: Open Warfare Cheats

Cheat Codes
Pause the game and input the following code to achieve the corresponding effect:

Hold [L] + [R], and press [Triangle], [Down], [X], [Up]: Full Health

Unlock challenge 1
Finish Tutorial 1, 2 & 3 to unlock challenge 1.

Unlockable Unlimited Ammo
Head to "Edit Schemes" to unlock all weapons, ammo, and more. 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. This will give unlimited ammo for that weapon.