Baby
10Complete Tutorial to unlock
Blackout
10Complete level 4 to unlock
Bronze Medal
50Win the game in easy to unlock
Contact
60Complete level 7 to unlock
Countdown
40Complete level 6 to unlock
Endurance
80Play the game 5 hours to unlock
Gold Medal
170Win the game in hard to unlock
Hunter
20kill 100 aerial enemies
Killer
40Kill 50 tanks to unlock
Collect 10 lives to unlock
Complete level 1 to unlock
Racer
60Complete level 1 in less that 4 minutes
Sabotage
10Complete level 5 to unlock
Shield
40Destroy 500 missiles to unlock
Silver Medal
100Win the game in normal to unlock
Survivor
80Complete level 5 without losing a life
Complete level 3 to unlock
Complete level 2 to unlock
Traveller
30Travel 100 kilometers to unlock
Collect 50 Homing missiles to unlock
Zombie
55Die 50 times to unlock