Here is the full list of all 46 Omega Labyrinth Life achievements.
Viewed all main characters' spa events.
Maxed out all skills for all characters.
Befriend all main characters.
Cleared Berune's trial.
Cleared Mei's trial.
Cleared Mio's trial.
Cleared Nanami's trial.
Cleared Hinata's trial.
Defeated more than 1,000 monsters.
Cleared Yurika's trial.
Pai has appeared.
Spoke to both Greedrat and Petal Gob at least once.
Upgraded Luster Value for the first time.
Restored 3 areas of the garden.
Gathered more than 100,000 ωP.
Changed leaders a total of 10 times.
Reached Hyper L mode.
Restored 1 area of the garden.
You've obtained all achievements.
Acquired all Gallery Keys.
Acquired all expansions.
Fully restored the garden.
Cleared Juri's trial.
Viewed all stories.
Emerged victorious in the final battle.
Cleared a Sage's Trial.
Cleared Rinka's Test Site.
Cleared the Secrets of the Clock Tower.
Cleared A Distant Garden
Gone on more than 100 adventures.
Successfully stole from the shop.
Upgraded Luster Value more than 100 times.
Had all characters attain Z Bust Mode.
Achieved a score of 200,000 or higher.
Defeated the Reaper.
Assimilated for the first time.
Reached a Luster Value of +99 on a piece of equipment.
Harvested flowers 200 times.
Accumulated more than 200,000 μ of Nectar.
Used a mic with all playable characters.
Completed the Item Codex.
Completed the Monster Codex.
Completed the Synthesis Codex.
Completed the Flower Codex.
Completed the Object Codex.
Collected seeds 200 times while in dungeons.