Cheats, Tips & Walkthroughs

Serious Beginner
Reward: 10 Points
Objective:Complete any level in single player.

Game Master
Reward: 20 Points
Objective:Complete the game.

Serious Sam
Reward: 30 Points
Objective:Complete the game in single player on serious difficulty.

I am Invincible
Reward: 10 Points
Objective:Complete the game in single player without firing a single bullet or shell.

Serious Run
Reward: 15 Points
Objective:Complete the game in single player by beating estimated time on each level.

Metropolis King
Reward: 20 Points
Objective:Complete Metropolis level in single player on serious difficulty without loading.

Cannon Expert
Reward: 5 Points
Objective:Pierce at least 10 enemies with a single cannonball.

Perfect Kill
Reward: 10 Points
Objective:Kill all enemies in Karnak in single player.

Look, It's a Secret
Reward: 30 Points
Objective:Find at least 50 secrets in single player.

Co-op Beginner
Reward: 5 Points
Objective:Complete any level in co-op.

Co-op Hippie
Reward: 10 Points
Objective:Complete The Great Pyramid in co-op with blood option set to hippie.

Serious Co-op
Reward: 35 Points
Objective:Complete a co-op game on serious difficulty and extra enemy strength on 400%.