Complete the following tasks to unlock PlayStation 4 trophy rewards.

Trophy	How to unlock
Kill 1,000 Aliens (Gold)	Cleared first 1,000 enemies.
Kill 100,000 Aliens (Gold)	Cleared first 100,000 enemies.
Retaliator (Gold)	Clear 3/4 of levels in Arcade Mode.
Solar Division Admiral (Gold)	Solved Quest #35
Solar Division Captain (Silver)	Solved Quest #20
Solar Division Commodore (Silver)	Solved Quest #25
Solar Division Fleet Admiral (Gold)	Solved Quest #40
Solar Division Fleet Commander (Silver)	Solved Quest #15
Solar Division Lieutenant (Bronze)	Solved Quest #1
Solar Division Lieutenant Commander (Bronze)	Solved Quest #5
Solar Division Rear Admiral (Gold)	Solved Quest #30
Solar Division Starship Commander (Silver)	Solved Quest #10
Solar Division Vice Admiral (Gold)	Solved Quest #32
Wrath of Solar Division (Gold)	Clear half of the levels in Arcade Mode.
Zotrix Eraser (Gold)	Beat first boss in Arcade Mode.
Zotrix Exterminator (Platinum)	Earn all other Zotrix trophies.