Complete the following tasks to unlock Vita trophy rewards.

Trophy	How to unlock	Type
Awesome Achiever	Attain 3 star scores for all four locations in Rescue Mode	Gold
Big Spender	Spend more than 50,000 bucks in Rescue mode	Bronze
Bouncing Grenade Mayhem	Kill 4 Enemies with a single grenade shot in the game	Bronze
Castle Hostage Missions	Unlock all 4 hostages in Putzki's Castle in Rescue Mode	Silver
Construction Complete	As host, collect all nine artifacts in Rescue Mode	Silver
Crimes of Passion	Melee weapon kill 100 Enemies in the game	Bronze
Factory Hostage Missions	Unlock all 4 hostages in Putzki's Pork Plant in Rescue Mode	Silver
Goose Brother Blast	Detonate a bomb near either G-man in the final show-down in Chapter 2	Bronze
Half Minute Hexapod	Defeat the swinging hexapod, once you see its health bar, in under 30 seconds in Chapter 5	Bronze
Jungle Hostage Missions	Unlock all 4 hostages in Jungliana in Rescue Mode	Silver
Penguins go Pop	Headshot kill 100 enemies in the game	Bronze
Platinum Trophy	Collect all trophies	Platinum
Sharp Shooter	Attain a 80% or higher accuracy score on a mission in Rescue Mode	Silver
Shoot Yourself, Putzki	Make Putzki shoot himself in Chapter 1	Bronze
Signs of Evolution	Find all 18 signs in all 6 chapters in Story Mode	Gold
Signs of Hardboiled Chicken	Find 9 signs in any three chapters in Story Mode	Silver
Signs of Revolution	Find all 3 signs of a single chapter in Story Mode	Silver
Space Owl Droppings	Drop six Space Owls into the liquid ooze in Chapter 6	Bronze
The Great Unlocker	Unlock 100 costume items or weapons in Rescue Mode	Gold
The Hardboiled Chicken	Complete all six chapters in Story Mode	Gold
The Headhunter	Headshot kill 15 enemies in a row in Chapter 1	Bronze
The Infiltrator	Melee kill 15 Enemies in a row without triggering the alarm in Chapter 2	Bronze
The Informant	Get someone to tell you what's up ahead in Chapter 1	Bronze
The Obeyor	Make enemies kill 15 co-workers in Chapter 2	Bronze
The Road Less Traveled (secret)	Unlock Hardboiled Chicken for Rescue Mode in the game	Gold
The Search and Rescue Strikeforce	As host, complete a rescue mission for all four locations in Rescue Mode	Gold
The Spider's Nose	Stand on the Hexapod's Nose while it is firing its missiles in Chapter 4	Bronze
UFO Hit and Run	Kill all enemies during Hardboiled's final, successful escape in Chapter 6	Silver
UFO Hostage Missions	Unlock all 4 hostages in the UFO in Rescue Mode	Silver