Complete the following tasks to unlock PlayStation Vita trophy rewards.

Trophy	How to unlock
Annihilator (Silver)	Reach 10000 kills in total.
Booby Trap (Bronze)	Blow up 1500 red barrels.
Clay Pigeon Shoot (Bronze)	Shoot down 20 flying planes.
Earn your stripes (Bronze)	Complete the Boot Camp tutorial mission.
General of the Army (Gold)	Reach the rank of General of the Army.
Gun Aficionado (Bronze)	Upgrade any weapon for the first time.
Invincible (Bronze)	Use 20 Invincibility power ups on yourself.
Kindling (Bronze)	Blow up 5000 wooden crates.
Medic (Bronze)	Use 50 Medipacks to heal yourself.
Outstanding (Bronze)	Achieve an "Outstanding" kill combo 100 times.
Prestige (Bronze)	Reach the rank of General of the Army for a second time.
Quatro Pounder (Bronze)	Destroy 5 of the big track quatro pounder tanks
Shield (Bronze)	Use 30 Shields to protect yourself.
Swiss Army Soldier (Bronze)	Buy all of the weapons.
To The Max! (Bronze)	Upgrade any weapon, killstreak or item to the max.