Complete your first task

Complete 5 tasks

Complete 10 tasks

Shoot 10 000 bullets

Launch 1000 missiles

Tank up at the last second

Complete a mission with 1% armor

Use up 100 fuel drums

Refill the armor 10 times

Expand the missile ammunition up to 100

Expand the bullet ammunition up to 10 000

Expand the armor up to 1000

Expand fuel capacity up to 1000

Earn one million

Destroy 100 towers

Destroy 50 bunkers

Destroy 100 fortifications