Complete the following tasks to unlock PlayStation Vita trophy rewards.

Trophy	How to unlock
Extra Ships Optional (Gold)	Endless - Survive 10 minutes without dying.
Shock and Awe (Bronze)	Endless - Destroy 5 nukes.
Late Boomer (Silver)	Bomber - Get 15 bombs.
Supersonic (Silver)	Impact - Get 99x multiplier.
Multitasking (Silver)	Twin-Gun - Complete one planet.