Beat all the levels in "The Shores of Hell"
Kill 5 enemies in 5 seconds with the plasma rifle
Beat all the levels in "Knee-Deep in the Dead"
Get 3 multi-kills with the shotgun
Unlock all trophies in DOOM
Beat every level on Nightmare in co-operative mode
Get 100 kills in deathmatch
Get 25 kills in deathmatch
Beat DOOM in under 2 hours
Beat all the levels in "Thy Flesh Consumed"
Beat all the levels in "Inferno"
Kill only a single enemy with a shot from the BFG
Finish off a Cyberdemon with the pistol
Get 25 kills with your fists in a single level
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