- Advanged Gunner
Kill 25000 Specimens and unlock Advanced Gunner rank, and 20 customization points.
- Alliance Captain
Kill 50000 Specimens and unlock Alliance Captain rank, and 30 customization points.
- Supreme Commander
Kill 100000 Specimens and unlock Supreme Commander rank, and 40 customization points.
- Kill them faster
Kill 500 Specimens with the Sniper Rifle and get 17.5% faster rate of fire.
- Kill them even faster
Kill 2000 Specimens with the Sniper Rifle and get 35% faster rate of fire.
- Rocket science
Kill 2000 Specimens with the Rocket Launcher and get nuclear rockets.
- Big boom!
Kill 1000 Specimens with Grenades and unlock nuclear grenades.
- I'm out of ammo
Use the ammobox 100 times and get additional ammo.