Exterminator - 10 points
Defeat the giant spider.
Sharp Shooter - 10 points
Don't waste more than 30% of your bullets.
Unstoppable - 10 points
Finish a zone without losing a life.
Lair Slayer - 10 points
Complete all underground zones.
Annihilator - 10 points
Kill more than 85% of the total enemies in a zone.
Small Arms Expert - 20 points
Finish a zone without using grenades or nukes.
Twin Medal - 20 points
Finish a zone in Co-op mode.
Speed Freak - 20 points
Finish a zone in less than 15 minutes.
Peace Maker - 20 points
Finish a zone killing less than 50% of the enemies.
Tricked Out - 20 points
Max out all of the vehicle power-ups.
Survivor - 20 points
Finish a zone killing 60% of the units on foot.
Assault Hero - 30 points
Complete the game.
