| icon | info | gamerscore |
|---|---|---|
| Serious Beginner Complete any level in single player. | 10 | |
| Metropolis King Complete Metropolis level in single player on serious difficulty without loading. | 20 | |
| I am Invincible Complete the game in single player without firing a single bullet or shell. | 10 | |
| Game Master Complete the game. | 20 | |
| Cannon Expert Pierce at least 10 enemies with a single cannonball. | 5 |
