| Achievement | How to unlock
|
|---|
| Broteus Maximus (10 points) | Collect 1,000 Xplodium in one play of Arcade.
|
| Cannon Fodder (5 points) | Kill 100 Enemies.
|
| Fear my Bro (15 points) | Complete Campaign 7.
|
| Friend Indeed (5 points) | Add 1 Bro to your Brotherhood.
|
| Getting Stronger (10 points) | Complete Campaign 4.
|
| Gun Baby (5 points) | Complete Campaign 1.
|
| Gussied (5 points) | Collect a matching set of armor.
|
| No Object (10 points) | Spend over 10,000 Xplodium.
|
| Ravager (10 points) | Kill 500 Enemies.
|
| Scratch my Back (5 points) | Team up with another Bro in Multiplayer Arcade.
|
| Upgrade! (5 points) | Upgrade a gun.
|