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