Out of Ammo
Allack's Progress
This is my Rifle
10 kills while possessing a rifleman
Dead Eye
10 kills while possessing a sniper
Back-blast Clear
10 kills while possessing a rocket unit
Suppressing Fire
10 kills while using a machine gun emplacement
Last Resort
2 kills while possessing a medic or engineer
Florence Nightingale
Assist 10 enemy casualties
Good Effect
10 kills with one artillery barrage
Gun Run
Supress or kill 7 units with the strafing run
Pen Pal
Kill an enemy unit at over 150m
Splash Damage
Kill 3 units with a single rocket
Second Lieutenant
Survive for 5 minutes in a single round
First Lieutenant
Survive for 10 minutes in a single round
Captain
Survive for 15 minutes in a single round
Major
Survive for 20 minutes in a single round
Lieutenant Colonel
Survive for 25 minutes in a single round
Colonel
Survive for 30 minutes in a single round
Target Acquired
Shoot all 7 hidden targets on the Forest Mission
Ready for Battle!
Complete the Tutorial
Panic in the Pines
Beat Wave 20 on the Forest Mission
Downtown Disaster
Beat Wave 20 on the City Mission
Trouble in the Tropics
Beat Wave 20 on the Desert Mission
Alpine Assault
Beat Wave 20 on the Winter Mission
Deadly Docks
Beat Wave 20 on the Port Mission
Blood on the Beaches
Beat Wave 20 on the D-Day Mission
Chaos in the Canyon
Beat Wave 20 on the Canyon Mission
Encounter in Egypt
Beat Wave 20 on the Contact Mission
Icarus
Beat the Plane Crash Challenge Mission
Vertigo
Beat the Penthouse Challenge Mission
Overwatch
Beat the Sniper Challenge Mission