Here is the full list of all 50 30XX achievements.
Have 250 nuts (endless excluded).
On level 8, defeat Capital Punishment using only the room's Exploding Barrels.
Complete the game with 10 or less maximum HP.
Complete Ellie's Gauntlet, starting with 3 or fewer lives.
Complete the game with 10 HP or less remaining.
On level 8, avoid damage from Echobeast for one minute without destroying any Sonar Bouncers.
Complete the game at 5+ Entropy.
Complete the game with at least 3 Prototype Augs and no System Restore.
This is what it was all for.
Was this what it was all for?
Die 50 times.
On level 8, defeat Experiment 9 without using the Gravity Fields (always be upside down).
This was Delta's Home, once.
He gave himself to something more.
She held out as long as she could.
Was there ever really a choice?
Errors, accumulated over and across time.
Complete a Core set.
Unlock all Memoria upgrades.
Beat the game with all 8 boss powers.
Beat the game with the starting primary and no boss powers.
Complete the game, scoring Gold in all Glory Zones and Contemplation Rooms.
On level 8, defeat Absolution without letting a Void persist for longer than two seconds.
Have 500 HP (Endless excluded).
In the 2200s, we destroyed ourselves. They remained.
Complete the game.
Equip at least 12 Cores at once.
Complete a Rush Job.
Complete level 8.
Net at least 100 Memoria in a single run.
Complete the Resonant Armor set.
Defeat Loot Omega.
Complete level 4.
Start a third run in one game session.
Complete 10 levels in Community Mode.
Complete a Daily Challenge.
Complete 5 Daily Challenges.
On level 8, destroy all four of Zen Primus' Shield Statues within a four-second window.
On level 8, destroy all four Lethal Tempo faces with a single attack.
On level 8, defeat Hoot Omega before it reaches its final position.
On level 8, defeat Legacy without dealing damage to any of his Shapes.
Complete the game within 28 minutes.
Complete a Pilgrimage 2 run in 35 minutes.
Complete the game at 10+ Entropy.
Complete the game at 15+ Entropy.
Complete the game at 20+ Entropy.
Complete the game at 25+ Entropy.
Complete the game at 30+ Entropy.
Complete the game having taken damage ten or fewer times.
Complete a run without picking up any nuts.