Complete the game in one sitting
Throw every available object on any level (exept tutorials)
Kill an enemy while not looking at him
Kill 3+ enemies with one burst while dual wielding uzis
Empty a handgun clip and kill enemies with every bullet
Burn atleast 1000 calories while playing
Punch a single guy at least 5 times in a row
Complete 10 min challenge
Complete NoGuns challenge
Complete Sniper challenge
Complete Speedrun RealTime challenge
Complete Speedrun GameTime challenge
Find all secrets
Complete NoDeath challenge
Beat all Challenges!
Complete Hardcore challenge
Dodge 4 bullets at the same time
Cut few bullets using a knife
Kill 100 Red Dudes with Uzi
Kill 100 Red Dudes with a pistol
Kill 100 Red Dudes with a sawed off
Kill 100 Red Dudes with a personal weapon
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