Throw 32 grenades
Get 3 stars on any mission
Save 35 Bros
Kill 350 enemies
Save 15 Bros
Detonate 12 mines without taking damage
Pass through a mission without using grenades
Rapid fire your good old gun
Throw 12 grenades
Kill 100 enemies
Save 5 Bros
Detonate 6 mines without taking damage
Reach the end of the first mission
Kill 10 enemies
Throw 3 grenades
Detonate 1 mine without taking damage
Finish the tutorial