Here is the full list of all 31 Velocity Ultra trophies - there are 14 bronze, 10 silver, 6 gold and 1 platinum.
Get 140,000 points in the credits minigame.
Complete Zone 50.
Reach Zone 50.
Destroy 5000 Zetachron ships.
Use pulse bombs to gain 50 multikills.
Beat the minesweeper minigame.
Discover at least one secret area.
Smash 500 pieces of glass.
Disable three switches in quick succession.
Disable four switches in quick succession.
Disable two switches in quick succession.
Destroy 1000 Zetachron ships.
Destroy 500 Zetachron ships.
Get trapped and killed by the scroll.
Because this player earned it.
Complete a zone without letting go of boost.
Hit boost 100 times in a zone.
Discover all the secret areas.
Complete Zone 18 without upgrading weapons.
Complete zone 21 without rescuing any survivors.
Complete the reaction test minigame.
Earn a PERFECT medal on Zone 10.
Earn a PERFECT medal on Zone 46.
Earn a PERFECT medal on Zone 48.
Achieve above average XP on every zone.
Earn a PERFECT medal on Zone 50.
Complete the Smith's Challenge minigame.
Earn a PERFECT medal on all Critical Urgency zones.
Rescue every survivor.
Earn a PERFECT medal for every zone.
Collect every in-game award in Velocity Ultra.