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