Here is the full list of all 20 Rez Infinite achievements.
Achieve the high score in boss rush mode.
Unlock all Rez Infinite achievements.
Clear direct assault (trance).
Clear score attack mode 30 times.
Achieve a 100% shot down rate and item collection rate in areas 1-5 or play for over 10 hours.
Achieve a shot down rate of 95% in areas 1-5.
Achieve the high score in five areas of score attack mode.
Achieve the lost area high score.
Clear Area X by defeating the standard final boss.
Defeat the standard final boss of Area X with a shot down rate of 95% or higher.
Clear Area X with your avatar at its highest possible evolution level.
Clear Area X without taking any damage.
Defeat the alternate final boss of Area X with a shot down rate of 95% or higher.
Clear Area X by triggering and defeating the alternate final boss.
Destroy over 300 Bit enemies in Area X.
Clear area 5 in play mode.
Clear area 4 in play mode or travelling mode.
Clear area 3 in play mode or travelling mode.
Clear area 2 in play mode or travelling mode.
Clear area 1 in play mode or travelling mode.