ACHIEVEMENT - HOW TO UNLOCK 1337 Fragger - Frag a total of 1337 players. Backstabber - Frag 100 players with a knife from behind. Butcher - Frag 100 players with a knife. Cannon Expert - Pierce at least 10 enemies with a single cannonball. Co-op Beginner - Complete any level in co-op. Co-op Hippy - Complete The Great Pyramid in co-op with blood option set to hippy. Crazy Fragger - Frag a total of 500 players. Deathmatch Champion - Win 1000 deathmatch games. Deathmatch Duelist - Win 25 1-on-1 deathmatches. Deathmatch Marathon - Complete a deathmatch with frag limit set to at least 200. (Frag limit must be reached!) Deathmatch Marathon Winner - Win a deathmatch marathon. Deathmatch Master - Win 100 deathmatch games. Deathmatch Veteran - Complete 100 deathmatches. Desperate Fragger - Frag 25 players with a knife while having no more than 10 health left. Diverse Fragger - Frag 100 different players in deathmatch. Frag Combo - Perform 4 frags with each being no more than 10 seconds apart from the previous frag in at least 4 player deathmatch. Fragger - Frag a total of 100 players. Game Master - Complete the game. Grudge - Frag the same player 5 times in a row in at least 4 player deathmatch. I am invincible - Complete the game in single player without firing a single bullet or shell. Look Ma, I won! - Win a deathmatch. Look, it's a secret - Find at least 50 secrets in single player. Metropolis King - Complete Metropolis level in single player on serious difficulty without loading. Nemesis - Frag the same player 10 times during a single round in at least 4 player deathmatch. Perfect Kill - Kill all enemies in Karnak in single player. Rocket Jumper - Perform 100 rocket jumps. Royal Frag Combo - Frag all players in a single frag combo. Serious Beginner - Complete any level in single player. Serious Co-op - Complete a co-op game on serious difficulty and extra enemy strength on 400%. Serious Fragger - Frag a total of 1000 players. Serious Run - Complete the game in single player by beating estimated time on each level. Serious Sam - Complete the game in single player on serious difficulty. Swimming Instructor - Drown an enemy. Swordsman - Frag 100 players in a knife-to-knife fight. Untouchable - Win an at least 4 player deathmatch by reaching frag limit of at least 25 without dying.