| Achievement | How to unlock
|
|---|
| Cannon Expert (5 points) | Pierce at least 10 enemies with a single cannonball.
|
| Co-op Beginner (5 points) | Complete any level in co-op.
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| Co-op Hippie (10 points) | Complete The Great Pyramid in co-op with blood option set to hippie.
|
| Game Master (20 points) | Complete the game.
|
| I am Invincible (10 points) | Complete the game in single player without firing a single bullet or shell.
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| Look, It's a Secret (30 points) | Find at least 50 secrets in single player.
|
| Metropolis King (20 points) | Complete Metropolis level in single player on serious difficulty without loading.
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| Perfect Kill (10 points) | Kill all enemies in Karnak in single player.
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| Serious Beginner (10 points) | Complete any level in single player.
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| Serious Co-op (35 points) | Complete a co-op game on serious difficulty and extra enemy strength on 400%.
|
| Serious Run (15 points) | Complete the game in single player by beating estimated time on each level.
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| Serious Sam (30 points) | Complete the game in single player on serious difficulty.
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