"Call of Duty 4: Modern Warfare" is an action game for the Nintendo Wii in which you can play as a professional soldier in an international anti-terrorism team. The game features a number of guns to choose from, one of which has a glitch that gives you an additional perk just for possessing it. As long as you know which gun you need, you can automatically exploit the glitch.
Instructions
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1
Begin playing the game, and get your character to Level 40.
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2
Buy the P90 sub-machine gun from the in-game store once you are at Level 40.
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3
Equip the P90, and you will find that you automatically have the Level 3 "Extreme Conditioning" perk, along with any other Level 3 perk you have already chosen.
