At the main menu, hold L2 + R2 and rapidly tap L1 + R1 until prompted to enable cheats. After enabling cheats, pause the game to access the "Cheats" option.Mental mode
Successfully complete the game on the Serious difficulty to unlock the Mental difficulty.Trophies
Successfully complete one of the following tasks to get a trophy:
- You're not serious! (Platinum): Unlock all trophies.
- Serious Beginner (Bronze): Complete any level in single player.
- Serious Sam (Gold): Complete the single player campaign.
- Are You Serious!? (Gold): Complete the game in single player on unmodified serious difficulty.
- Serious Run (Gold): Complete the game in single player in half the estimated time on each level
- Ophthalmologist (Bronze): Remove 10 Gnaar eyes.
- Cardiac Surgeon (Bronze): Rip out 10 Rocketeer hearts.
- Chiropractor (Bronze): Break 10 Soldier necks.
- Kleer Wrestler (Bronze): Tear off 10 Kleer heads.
- Bug Hunt (Bronze): Squash 10 Hatchling spiders.
- Arachnophobia (Bronze): Rip 10 Juvenile spiders apart.
- Scorpion Slayer (Bronze): Break 5 Arachnoid necks.
- Load of Scrap (Bronze): Rip Scrapjack's head off.
- Trick Shot (Bronze): Kill the kicked enemy while it is still in the air.
- Useful Trophy (Bronze): Kill an enemy with a gib torn from another enemy.
- Berserker (Bronze): Kill 3 enemies in one sprint with the Sledgehammer.
- Chain Explosion (Bronze): Kill at least 5 headless kamikazes in one explosion.
- Kung-fu Fighter (Silver): Perform all possible finishing moves in the game.
- Wall of Bullets (Bronze): Kill 20 enemies with the Minigun without releasing the trigger.
- Apprentice Egyptologist (Bronze): Decipher an Egyptian text.
- Master Egyptologist (Silver): Decipher all Egyptian texts.
- Wanted Dead or Alive (Bronze): Rescue professor Stein. So to say.
- Get the hell off my ride! (Bronze): Secure the bird.
- Problem solver (Bronze): Solve the riddle of the Sphynx.
- Painful Divorce (Bronze): Kill a Witch-Bride of Achriman.
- Mission completed (Silver): Power up the Timelock.
- The doorman should wear a suit (Silver): Awake the Guardian of Time.
- Rodeo Surfer (Bronze): Use the Mutilator to surf after a Werebull.
- Skewer (Silver): Pierce 5 enemies with one Devastator round.
- Up Close and Personal (Bronze): Gib 20 enemies from close range with a shotgun.
- Killer Jewelry (Bronze): Kill an enemy using the Mutilator.
- Headsman (Silver): Decapitate a Khnum.
- Bone Crusher (Bronze): Smash 20 Kleers with the Sledgehammer.
- Maintenance time (Bronze): Blow a Major Biomechanoid into pieces.
- Look, it's a secret (Silver): Find at least 50 secrets in single player.
- Top Secret (Gold): Find all secrets in single player.
- Classic Outfit (Bronze): Find Sam's classic outfit
- Co-op Beginner (Bronze): Complete any level in cooperative with at least 2 players.
Additionally, there are two secret trophies:
- All Your Base Are Belong To Us! (Silver): Defeat the spaceship.
- Detroit Steel (Silver): Start the car.