Firsties!
Complete the first main mission objective.

Twofer
Kill two enemy vehicles with one rocket.

Pointdexter
Score at least 500.000 points in a single mission.

Dead Island
Purge the island of the dead.

Pedro 4 Prez
Find and eliminate Pedro in all locations.

Lord of the Skies
Kill 100 enemy helicopters.

Demolicious
Destroy 1,000 buildings.

Team playa
Complete a mission in co-op mode.

Parselmouth
Complete the 'Stomp The Snake' mission on expert difficulty level in co-op mode.

Rock It Man
Complete a (non-tutorial) mission using only rockets.

Gun Guru
Complete a (non-tutorial) mission using only the machine gun.

High Five!
Destroy your chopper with your own guided rocket.

Crate Soulmate
Collect all 25 crates hidden in various locations.

Quickie
Complete a (non-tutorial) mission in 8 minutes or less.

Kamikaze
Kill 10 vehicles by smashing into them.

Bossfight Like A Boss
Kill a boss/miniboss by smashing into it.

Obtainer of the Lost Ark
Locate and winch up the Lost Ark.

Get to the choppa!
Complete at least one mission with each helicopter.

Courage Wolf
Complete all levels at least normal difficulty.

Star Wolf
Get all stars in all missions.