The doorman should wear a suit
Awake the Guardian of Time.
10 ✓ December 1st, 2013
Co-op Master
Complete the campaign in cooperative with at least 2 players.
10 ✓ December 1st, 2013
Chain Explosion
Kill at least 5 headless kamikazes in one explosion.
10 ✓ November 6th, 2013
Wanted Dead or Alive
Rescue professor Stein. So to say.
10 ✓ November 6th, 2013
Get the hell off my ride!
Secure the bird.
10 ✓ November 8th, 2013
Problem solver
Solve the riddle of the Sphynx.
10 ✓ November 8th, 2013
Mission completed
Power up the Timelock.
10 ✓ November 30th, 2013
Killer Jewelry
Kill an enemy using the Mutilator.
5 ✓ November 8th, 2013
Maintenance time
Blow a Major Biomechanoid into pieces.
5 ✓ November 8th, 2013
Trick Shot
Kill the kicked enemy while it is still in the air.
5 ✓ November 6th, 2013
Wall of Bullets
Kill 20 enemies with the Minigun without releasing the trigger.
5 ✓ November 19th, 2013
Are You Serious!?
Complete the game in single player on unmodified serious difficulty.
30 
Serious Sam
Complete the single player campaign.
20 
Jewel of the Nile
Complete the Jewel of The Nile single player campaign.
20 
Look, it's a secret
Find at least 50 secrets in single player.
15 
Headsman
Decapitate a Khnum.
10 
Classic Outfit
Find Sam's classic outfit.
10 
Deathmatch Master
Win 10 deathmatch games.
10 
Flag Thief
Score a total of 10 points in CTF matches.
10 
Kung-fu Fighter
Perform all possible finishing moves in the game.
10 
Serious Beginner
Complete any level in single player.
5 
Bone Crusher
Smash 20 Kleers with the Sledgehammer.
5 
Load of Scrap
Rip Scrapjack's head off.
5 
Look Ma, I won!
Win a versus match.
5 
Instant Killer
Make at least 3 kills in one Instant Kill match.
5