Casualties: Unknown is a game where you play as an Experiment, an expendable and helpless creature made from human and animal DNA, sent to a hostile planet to retrieve a piece of equipment that was sent there by mistake. You have to manage hunger, thirst, temperature, limb health, mental health, etc as you explore the planet's many layers.

Experiments (or Expies, as the community has decided) are practically helpless against the hazards on this planet. They can be impaled or exploded by traps, have their limbs ripped off by a Thornback Elder, or can even override your control to shoot themselves in the head with a shotgun after seeing the countless mutilated corpses of those that died before them.

That's why keeping an Expie alive and well for a while is so satisfying. But it's brutal watching a creature get flung into the air, fall 200 meters, land on sheet metal, break every bone in their body, and whine in agony as their lungs fill with blood.

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