Complete the following tasks to unlock PlayStation 4 trophy rewards.

Trophy	How to unlock
Centipede (Bronze)	Defeat the centipede.
Explosive (Bronze)	Kill 8 enemies with a single explosion.
Grit (Bronze)	Play 20 levels without dying.
Hard Work (Bronze)	Kill 1000 enemies.
Hovertank (Bronze)	Defeat the hovertank.
Overseer (Silver)	Stop the Overseer 1.0.
Pacifist (Bronze)	Finish a normal level without using abilities, weapons or melee.
Runner (Bronze)	Finish a normal level in under 20 seconds.
Sneaky (Silver)	Finish a normal level without being seen.
Spiderbot (Bronze)	Defeat the spiderbot.
Stat Master (Silver)	Upgrade a stat to level 100.
Unlocker (Silver)	Unlock all unlockables.
You're special (Silver)	Complete all special levels.
You've just been erased (Bronze)	Kill 3 enemies with a single railgun bullet.