Paint 10 enemies with a single threat grenade.

Take out a Japanese soldier lying in wait in the grass.

Radio in a naval bombardment that kills at least 4 Japanese soldiers.

Survive a banzai attack. (Solo only)

Hit hostile helicopter with laser designator

Climb to the highest spot in the game

Destroy 50 vehicles. (containing enemy AI)

Knock down a small forest

Drive all vehicle types (Jeep, Tank, Heli, Boat)

Find 5 unique collectables