You are not a hero. You are not a saviour. You are just another disposable asset — dropped onto an alien world, ordered to retrieve what was lost, and left to figure out how to stay alive.

Developer Orsoniks and publisher Oro Interactive have officially launched Casualties: Unknown on Steam — a punishing, atmospheric survival adventure three years in the making, where every wound matters, every resource counts, and you are one of thousands sent into the dark to never return.

ELEVEN LAYERS OF UNFORGIVING DEPTH

You wake on a fractured, hostile planet. Your captors don’t care if you come back — they only care if you recover the cargo. Your mission: descend through 11 distinct, punishing layers of an alien subterranean realm, each one more dangerous than the last, and each holding secrets that previous expeditions died trying to understand.

This isn’t a game about sprinting to the bottom. It’s about endurance, adaptation, and the quiet terror of watching your own body fail:

• Full physiological simulation — treat lacerations, manage infection risk, stem blood loss, and monitor your mental state. Depression and exhaustion can be as deadly as claws and teeth
• Craft to survive — scavenge materials from the environment to bandage wounds, build tools, and fashion the gear that might keep you breathing just a little longer
• Procedural threats — no two runs are identical. Resources shift, creatures adapt, and the caves themselves rearrange their dangers
• Permadeath — when you fall, you fall for good. There are no checkpoints to reload, no second chances to undo a fatal mistake

THREE PATHS, THREE FATES — THE FULL GAME ARRIVES

After months of community feedback and a widely praised demo, the full release brings everything players have been waiting for — and then some:

• Layers 6 through 11 now open — doubling the depth and danger beyond the demo experience
• Three distinct playable characters, each with their own starting conditions, strengths, and stories
• Three separate endings shaped entirely by your choices and what you discover in the deep
• 40 Steam achievements tracking every milestone, triumph, and near-defeat
• Over 50-track original soundtrack spanning more than three hours of haunting, atmospheric score — available separately or bundled with the game
• Countless balance refinements, quality-of-life improvements, and polish shaped by nearly three years of community input

MADE WITH CARE, PRICED FAIRLY

Casualties: Unknown is available now on Steam for $22.99, with a 15% launch discount for early buyers. Regional pricing ensures the game is accessible worldwide, and the soundtrack bundle offers a way to support the creator directly while immersing yourself in the world’s eerie, beautiful soundscape.

The journey hasn’t been quick — nearly three years from first spark to full release — but Orsoniks and Oro Interactive have built something that refuses to cut corners or compromise on vision.

THE DARK IS CALLING — WILL YOU RETURN?

Thousands have been sent before you. Most never came back. Some left notes, supplies, warnings — and evidence of what truly waits in the deepest dark.

Casualties: Unknown isn’t about winning. It’s about going as far as you can, holding on as long as possible, and discovering what lies at the bottom of everything.

Grab your gear. Watch your back. And remember — you’re expendable. But you’re not helpless.

Find out more here: Casualties Unknown

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