Here is the full list of all 32 Lumien achievements.
Beat the game
Unlock all orbs
Beat the parasite
Defeat every enemy once
Defeat 10 enemies with friendly fire
Defeat 25 enemies with traps
Defeat 100 enemies with traps
Defeat 100 enemies
Defeat 10 enemies with orb impact damage
Crush a large enemy with a stomper
Defeat 3 enemies with one trap
Use each orb to defeat a different enemy in a single room
Defeat an enemy with the knockback of your orb
Throw an explosive barrel into an enemy with the jump orb
Slow down an enemy while they are charging at you
Beat a room withour defeating a single enemy
Beat a room without taking damage
Travel 10km
Barely dodge 5 enemy attacks with your dash
Finish the last room without falling into a pit once
Stay in the Air for 10 seconds without touching the ground
Beat the game while defeating less thhan 10 enemies
Beat the game without dying
Beat the game in less than 1 hour
Beat the game without acquiring all orbs
Bounce between a bosster and the jump orb 5 time in a row
Slow an enemy attack, but get hit anyway
Get burned by two flamethrowers at once
Return to your room after aquiring all upgrades
Find the dino
Beat the parasite without getting hit by a shockwave
Beat the warden without using the platform orb