Restore a teammate's health as the medic.
Attain the rank of Second Lieutenant.
Repair a critically damaged building to full strength.
Dispatch an enemy by blowing up your own fuel depot.
Train all 4 soldier classes in a single round.
Eliminate an enemy with an exploding barrel.
Destroy an enemy medical tent with the flame thrower.
Complete an entire level without dying.
Eliminate an enemy with toxic gas.
Destroy an enemy base with the rocket launcher.
Complete a round without getting hurt.
Achieve the rank of General.