The Conqueror Worm
Complete the mission “Poison Trial”
Ultra rare0.300%last reported global rate
Steam
Quasimorph Achievements
Official Steam achievement definitions and latest reported global unlock rates, ordered from rarest to most common.
Total achievements82
Rarest rate0.000%
Ultra rare33
Last checkedSep 29, 2026
Delayed official data
Rates and award counts were last observed on Sep 29, 2026.
We Need to Go Deeper
Reach the tenth floor of a bramfatura
Ultra rare0.300%last reported global rate
Wicked Souls
Reach the maximum curse level
Ultra rare0.300%last reported global rate
Dead or Alive, You’re Coming with Me.
Dress the VIP in heavy armor
Ultra rare0.400%last reported global rate
Just a Flesh Wound
Complete a mission after losing three or more limbs
Ultra rare0.400%last reported global rate
Replaceable by Design
Lose 100 clones
Ultra rare0.400%last reported global rate
Ship of Theseus
Augment every body part
Ultra rare0.400%last reported global rate
Dog is Clone’s Best Friend
No public description is available.
Ultra rare0.500%last reported global rate
Extermination Quota
Kill 10,000 enemies
Ultra rare0.500%last reported global rate
Cut Your Losses
Amputate an infected limb
Ultra rare0.600%last reported global rate
Kiss of the Spider Woman
Complete the mission “Shattered Emerald”
Ultra rare0.600%last reported global rate
True Visage
Transform into a quasimorph Baron
Ultra rare0.600%last reported global rate
Fake News
Create 100 missions through the Monitoring Department
Ultra rare0.800%last reported global rate
Annihilation
Disintegrate an enemy without leaving a trace
Very rare1.10%last reported global rate
Clone's Nightmare
No public description is available.
Very rare1.30%last reported global rate
Final form
Build every upgrade for HIS Magnum
Very rare1.30%last reported global rate
The Return of Orpheus
Return from a dive into a bramfatura
Very rare1.30%last reported global rate
Hold My Beer
Complete a mission after starting with no equipment at all
Very rare1.50%last reported global rate
I Never Asked for This
Install implants in every body part
Very rare1.60%last reported global rate
Moves like Woody
Complete the mission “Ship of Ghouls”
Very rare1.60%last reported global rate