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