Get 100 kills
Get 1000 kills
Get 5000 kills
Finish Fuel Depot in under 2 minutes
Shoot over 9000 bullets
Destroy 10 alien nests
Destroy 100 alien nests
Finish Bridge in under 2 minutes
Finish Bridge in under 1 minute
You have completed basic pilot training
Finish Fuel Depot in under 3 minutes
Finish Compound in under 4 minutes
Finish Compound in under 3 minutes
Finish Nuclear in under 5 minutes
Finish Nuclear in under 4 minute
Beat the map "Bridge"
Beat the map "Fuel Depot"
Beat the map "Compound"