Complete each achievement to get the allotted gamerscore.
| Unlockable |
How to Unlock |
| Sergeant (15) |
To earn this award you must kill 50 of your enemies. |
| Private (5) |
To earn this award you must kill 20 of your enemies. |
| Lieutenant (50) |
To earn this award you must kill 100 of your enemies. |
| Captain (75) |
To earn this award you must kill 250 of your enemies. |
| Colonel (100) |
To earn this award you must kill 500 of your enemies. |
| General (125) |
To earn this award you must kill 750 of your enemies. |
| Pistoleer (50) |
To earn this award you must kill 100 of your enemies with your pistol. |
| Knife Master (50) |
To earn this award you must kill 75 of your enemies with your knife. |
| Melee Hero (30) |
To earn this award you must kill 50 of your enemies in close combat. |
.gif){kind=small}
