Complete the following tasks to unlock PlayStation 3 trophy rewards.

Trophy	How to unlock
Bossfight Like A Boss (Bronze)	Kill a boss/miniboss by smashing into it.
Courage Wolf (Bronze)	Complete all levels at least normal difficulty.
Crate Soulmate (Bronze)	Collect all 25 crates hidden in various locations.
Dead Island (Bronze)	Purge the island of the dead.
Demolicious (Bronze)	Destroy 1,000 buildings.
Firsties! (Bronze)	Complete the first main mission objective.
Get to the choppa! (Bronze)	Complete at least one mission with each helicopter.
Gun Guru (Bronze)	Complete a (non-tutorial) mission using only the machine gun.
High Five! (Bronze)	Destroy your chopper with your own guided rocket.
Kamikaze (Bronze)	Kill 10 vehicles by smashing into them.
Lord of the Skies (Bronze)	Kill 100 enemy helicopters.
Obtainer of the Lost Ark (Bronze)	Locate and winch up the Lost Ark.
Parselmouth (Bronze)	Complete the 'Stomp The Snake' mission on expert difficulty level in co-op mode.
Pedro 4 Prez (Bronze)	Find and eliminate Pedro in all locations.
Pointdexter (Bronze)	Score at least 500.000 points in a single mission.
Quickie (Bronze)	Complete a (non-tutorial) mission in 8 minutes or less.
Rock It Man (Bronze)	Complete a (non-tutorial) mission using only rockets.
Star Wolf (Silver)	Get all stars in all missions.
Team playa (Bronze)	Complete a mission in co-op mode.
Twofer (Bronze)	Kill two enemy vehicles with one rocket.