The doorman should wear a suit
Awake the Guardian of Time.
10 ✓ March 29th, 2014
Chain Explosion
Kill at least 5 headless kamikazes in one explosion.
10 ✓ October 30th, 2012
Classic Outfit
Find Sam's classic outfit.
10 ✓ March 2nd, 2013
Kung-fu Fighter
Perform all possible finishing moves in the game.
10 ✓ October 31st, 2012
Wanted Dead or Alive
Rescue professor Stein. So to say.
10 ✓ October 30th, 2012
Get the hell off my ride!
Secure the bird.
10 ✓ October 30th, 2012
Problem solver
Solve the riddle of the Sphynx.
10 ✓ October 30th, 2012
Mission completed
Power up the Timelock.
10 ✓ October 31st, 2012
Killer Jewelry
Kill an enemy using the Mutilator.
5 ✓ October 30th, 2012
Trick Shot
Kill the kicked enemy while it is still in the air.
5 ✓ October 30th, 2012
Load of Scrap
Rip Scrapjack's head off.
5 ✓ October 31st, 2012
Wall of Bullets
Kill 20 enemies with the Minigun without releasing the trigger.
5 ✓ October 31st, 2012
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 
Co-op Master
Complete the campaign in cooperative with at least 2 players.
10 
Headsman
Decapitate a Khnum.
10 
Deathmatch Master
Win 10 deathmatch games.
10 
Flag Thief
Score a total of 10 points in CTF matches.
10 
Serious Beginner
Complete any level in single player.
5 
Bone Crusher
Smash 20 Kleers with the Sledgehammer.
5 
Maintenance time
Blow a Major Biomechanoid into pieces.
5 
Look Ma, I won!
Win a versus match.
5 
Instant Killer
Make at least 3 kills in one Instant Kill match.
5