Here is the full list of all 50 Starhawk trophies - there are 37 bronze, 11 silver, 1 gold and 1 platinum.
Win a Prospector game without losing any lives.
Win your first Prospector game.
Win 100 Zones games.
Win your first Zones game.
Win 100 Team Deathmatch games.
Shoot down a Hawk with the Razorback turret.
Destroy a fully-loaded Razorback with R-Sec proximity charges.
Shoot down a flying Hawk with the Ox Heavy Tank.
Kill an enemy with the A.R.M.
With the LR-3 Railgun, kill an enemy from more than 2,500 feet away.
Kill an enemy with a Tetranite Grenade from at least 200 feet away.
Kill an enemy with his own R-Sec proximity charge.
Destroy an enemy vehicle with the Welding Torch.
Shoot the pilot out of a Hawk while it's on the ground.
Shoot the driver, passenger, or gunner out of a Razorback.
Kill a player flying a Vulture pack by ramming them with your Hawk.
Build one of every available structure in a single multiplayer game.
Play a perfect Deathmatch game (top player, no deaths).
Win your first Team Deathmatch game.
Play a perfect Team Deathmatch game (top player, no deaths).
Win 100 Capture the Flag games.
Win 100 multiplayer games.
Get 1,000 kills in multiplayer.
Build 100 structures in multiplayer.
Kill an enemy by dropping a structure on them.
Win your first Capture the Flag game.
Win your first multiplayer game.
Use Build & Battle for the first time in multiplayer.
Kill an enemy with a melee attack.
Get your first kill in multiplayer.
Earn every single trophy in Starhawk.
Complete mission 1: "Homecoming"
Complete mission 2: "The Freightway"
Complete mission 3: "Harvest Season"
Defeat the mech in "Harvest Season"
Complete mission 4: "The Pipeline"
Defeat the Apex Warrior in "The Pipeline"
Complete mission 5: "Ballard's Crossing"
Complete mission 6: "Train Robbery"
Complete mission 7: "The Pit"
Detonate the rift bomb in "The Pit"
Complete mission 8: "Ashes"
Complete mission 9: "Sever"
Complete mission 10: "The Source"
Meet Logan face-to-face in "The Source"
Complete the campaign on Normal difficulty or higher.
Complete the campaign on Hard difficulty or higher.
Complete the campaign on Mercenary difficulty.
Win 50 Prospector games.
Use Build & Battle for the first time in the campaign.