Here is the full list of all 27 PixelJunk Shooter Ultimate achievements.
Complete the secret level 'The Road To Dawn'
Collect all the treasure hidden on Apoxus Prime
Rescue all the scientists
Win 10 League Battles
Win a League Battle with your opponent's final survivor total as 0
Advance to a higher league through Online Battle.
Defeat 'The Guardian Of The Deep'
Defeat 'Terra Kingpin'
Defeat 'The Colonizer'
Defeat 'ALF: 0N50'
Kill over 1000 enemies
Find all of the secret areas within an Episode
Defeat 'Frost Grubber'
Collect all the hidden treasure within an Episode
Rescue all the scientists within an Episode
Kill over 500 enemies
Collect your first suit
Defeat 'Giant Spitter'
Kill over 100 enemies
Build a combo of 32 or over
Cool your ship down after being set on fire, then stay alive for 5 seconds
Find your first secret area
Win your first league battle
Purchase an item in Online Battle
Collect all other trophies
Find all of the secret areas
Play the game at 11:11