Air Element
Not unlocked yetObtain the Air Element.
Are You Serious?
Not unlocked yetComplete the game in single player on unmodified serious difficulty.
Cannon Expert
Not unlocked yetPierce at least 10 enemies with a single cannonball.
Co-op Beginner
Not unlocked yetComplete any level in co-op.
Co-op Hippy
Not unlocked yetComplete a level in co-op with blood option set to hippy.
Earth Element
Not unlocked yetObtain the Earth Element.
Fire Element
Not unlocked yetObtain the Fire Element.
Fragger
Not unlocked yetFrag a total of 100 players.
Hey! That's cheating!
Not unlocked yetTrigger Ugh-Zan's regeneration.
Huge Pile of Lava
Not unlocked yetDefeat the Lava Golem boss.
I love my Cannon
Not unlocked yetKill 100 Enemies with the Cannon.
I love my Minigun
Not unlocked yetKill 300 Enemies with the Minigun.
I love my Rocket Launcher
Not unlocked yetKill 150 Enemies with the Rocket Launcher.
I love my Shotguns
Not unlocked yetKill 250 Enemies with a shotgun.
I love my Thompson
Not unlocked yetKill 200 Enemies with the Thompson Submachine gun.
Leap of Faith
Not unlocked yetLeap into the unknown on Luxor.
Look, it's a secret!
Not unlocked yetFind at least 10 secrets in single player.
Look Ma, I won!
Not unlocked yetWin a versus match.
Metropolis King
Not unlocked yetComplete the Metropolis level in single player on unmodified serious difficulty.
Quick Draw
Not unlocked yetPull out a single Colt and immediately deliver a killing shot.
Serious Beginner
Not unlocked yetComplete any level in single player.
Serious Co-op
Not unlocked yetComplete the game in co-op on unmodified serious difficulty.
Serious Run
Not unlocked yetComplete the game in single player by beating the estimated time on each level.
Serious Sam
Not unlocked yetComplete the game.