Complete the map "Old Town"
Complete the map "Desert"
Complete the map "Scorched Earth"
Complete the map "Arctic"
Defeat a total of 1000 enemies
Defeat a total of 10000 enemies
Defeat a total of 100000 enemies
Play a total of 25 missions
Play a total of 50 missions
Play a total of 100 missions
Complete a total of 15 missions
Complete a total of 25 missions
Complete a total of 50 missions
Earn a total of $1000
Earn a total of $10000
Earn a total of $100000
Complete any map without taking damage