Casualties: Unknown 40 Steam Achievements & 100% Unlock Guide

Casualties: Unknown Release 1.0 includes 40 official Steam achievements (AppID 4576490) spanning first-time trauma survival, character-specific victories for Experiment, Milky, and Dune, secret endings, and extreme biochemical challenges. Browse all 40 verified achievements below with official icons, global unlock percentages, and rarity tiers.

Filter all 40 official Steam achievements by rarity tier (Common, Uncommon, Rare) or visibility (Public vs Hidden Spoiler), or search by achievement name, API ID, and unlock description.

Achievement & Official Icon	Steam API ID	Rarity Tier	Global Unlock %	Hidden?	Official Unlock Description & Condition
Expected Outcome	EXPECTEDOUTCOME	Common	80.0%	No	Another one to the count.
TOP OF THE FOOD CHAIN	TOPOFTHEFOODCHAIN	Rare	0.9%	Yes	Become the apex predator.
Company's Best	BIOPOD	Rare	2.9%	Yes	Complete the mission.
Company's Worst	COMPANYSWORST	Rare	0.3%	Yes	Get your freedom.
To Be Continued...	TOBECONTINUED	Rare	0.2%	Yes	Fail the mission. Catastrophically.
Cannon Fodder	CHARWIN0	Rare	2.9%	Yes	Finish a run as an Experiment.
The Marksman	CHARWIN1	Rare	0.4%	Yes	Finish a run as a Milky.
The Cannibal	CHARWIN2	Rare	0.2%	Yes	Finish a run as a Dune.
Graduate	GRADUATE	Uncommon	5.6%	No	Finish all the training courses.
Neural Enhancement	NEURALENHANCEMENT	Uncommon	3.3%	No	Use a neural booster.
Survival Veteran	SURVIVALVETERAN	Uncommon	5.9%	No	Reach level 16 in each skill.
...	MINDWIPE	Uncommon	4.7%	No	Become hollow.
Ain't That a Kick to the Head	AINTTHATAKICKTOTHEHEAD	Rare	1.2%	No	Survive a gunshot wound to the head.
Thermal Camouflage	THERMALCAMOUFLAGE	Rare	2.1%	No	Sneak past a turret through unconventional means.
Level One Breach	LEVELONEBREACH	Common	16.7%	No	You can't escape that easily.
Real Suck-Up	REALSUCKUP	Uncommon	14.0%	No	Reach max. reputation with a survivor.
Not a Care in the World	NOTACAREINTHEWORLD	Uncommon	14.5%	No	Reach max. happiness.
Center of Attention	CENTEROFATTENTION	Rare	0.2%	No	Have 6 manifestations active at once.
My Survival Over Yours	MYSURVIVALOVERYOURS	Uncommon	3.1%	No	They made you do it. That's what you want to believe, anyway.
In and Out	INANDOUT	Rare	1.1%	No	Beat the game in under 3 hours (In-game time).
'Tis but a Scratch!	TISBUTASCRATCH	Rare	2.8%	Yes	Survive a bite from an Elder Thornback.
Consolation Prize	CONSOLATIONPRIZE	Uncommon	8.0%	No	Over halfway there.
Hoarder	HOARDER	Uncommon	4.7%	No	Achieve 100% overencumbrance (without minibarrels).
Dead Man Walking	DEADMANWALKING	Rare	1.1%	No	Restart a stopped heart.
What Have I Done..?	WHATHAVEIDONE	Rare	0.6%	No	Take your anger out on a little friend.
Wrong Way	WRONGWAY	Common	45.6%	No	You're supposed to go down!
It Refused	ITREFUSED	Common	18.0%	Yes	Let's not give up just yet.
Playing With Fire	PLAYINGWITHFIRE	Uncommon	8.1%	No	It might come in useful...
Reading Comprehension	READINGCOMPREHENSION	Common	26.2%	No	Hey! The screen turned on!
Leukocyte Overflow	LEUKOCYTEOVERFLOW	Common	18.9%	No	Have 200% immunity.
Express Route	EXPRESSROUTE	Uncommon	4.1%	No	Use a drill pod.
Transhumanist	TRANSHUMANIST	Uncommon	3.8%	No	The flesh is weak.
Good as New	GOODASNEW	Common	22.2%	No	Heal a fracture.
Bright Idea	CONSEQUENCES	Uncommon	4.9%	No	Really? You should know better!
Pacifist	PACIFIST	Rare	0.1%	Yes	Kill no guards during the escape sequence.
Millions to One	MILLIONSTOONE	Uncommon	3.1%	Yes	Obtain the cargo.
Round and Round We Go...	ROUNDANDROUNDWEGO	Rare	0.1%	No	Loop an endless run twice.
Certainty of Steel	CERTAINTYOFSTEEL	Rare	0.2%	No	Have 4 P.E.O. limbs attached simultaneously.
Lightfooted	LIGHTFOOTED	Common	29.6%	No	Complete a layer without ragdolling from a fall once.
Heavy Metal	HEAVYMETAL	Uncommon	5.8%	No	Smelt a titanium slab.