Maintenance time (Bronze): Blow a Major Biomechanoid into pieces. Bone Crusher (Bronze): Smash 20 Kleers with the Sledgehammer. Killer Jewelry (Bronze): Kill an enemy using the Mutilator. Up Close and Personal (Bronze): Gib 20 enemies from close range with a shotgun. Skewer (Silver): Pierce 5 enemies with one Devastator round. Rodeo Surfer (Bronze): Use the Mutilator to surf after a Werebull. The doorman should wear a suit (Silver): Awake the Guardian of Time. Mission completed (Silver): Power up the Timelock. Painful Divorce (Bronze): Kill a Witch-Bride of Achriman. Problem solver (Bronze): Solve the riddle of the Sphynx. Get the hell off my ride! (Bronze): Secure the bird. Wanted Dead or Alive (Bronze): Rescue professor Stein. Master Egyptologist (Silver): Decipher all Egyptian texts. Apprentice Egyptologist (Bronze): Decipher an Egyptian text. Wall of Bullets (Bronze): Kill 20 enemies with the Minigun without releasing the trigger. Kung-fu Fighter (Silver): Perform all possible finishing moves in the game. Chain Explosion (Bronze): Kill at least 5 headless kamikazes in one explosion. Berserker (Bronze): Kill 3 enemies in one sprint with the Sledgehammer. Useful Trophy (Bronze): Kill an enemy with a gib torn from another enemy. Trick Shot (Bronze): Kill the kicked enemy while it is still in the air. Load of Scrap (Bronze): Rip Scrapjack's head off. Scorpion Slayer (Bronze): Break 5 Arachnoid necks. Arachnophobia (Bronze): Rip 10 Juvenile spiders apart. Bug Hunt (Bronze): Squash 10 Hatchling spiders. Kleer Wrestler (Bronze): Tear off 10 Kleer heads. Chiropractor (Bronze): Break 10 Soldier necks. Cardiac Surgeon (Bronze): Rip out 10 Rocketeer hearts. Serious Run (Gold): Complete the game in single player in half the estimated time on each level Ophthalmologist (Bronze): Remove 10 Gnaar eyes. Are You Serious!? (Gold): Complete the game in single player on unmodified serious difficulty. Serious Sam (Gold): Complete the single player campaign.

Serious Beginner (Bronze): Complete any level in single player. You're not serious! (Platinum): Unlock all trophies. Successfully complete one of the following tasks to get a trophy: Successfully complete the game on the Serious difficulty to unlock the Mental difficulty.

After enabling cheats, pause the game to access the 'Cheats' option. At the main menu, hold L2 + R2 and rapidly tap L1 + R1 until prompted to enable cheats.

Serious sam 3 ps3 decipher text