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Lost Cosmonaut

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Trailers & screenshots

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About Lost Cosmonaut

Lost Cosmonaut is an action platformer with roguelike elements. After surviving a crash landing, you find yourself stranded on a randomly generated planet and fight to survive against its aggressive alien inhabitants.

Explore the planet

Explore 10 massive randomly generated levels, each with different terrain and enemies. Face over 10 powerful bosses and unlock up to 8 special characters.

Soundtrack

The game features an original soundtrack.

Frequently asked questions

Steam lets publishers create keys to sell in other shops. Once you activate a key, the game is yours to keep, just like a store purchase.

Disclaimer: CD keys have an inherent 1–2% average failure rate. Check the shop terms for buyer protection info. Steam offers no buyer protection for keys bought in other shops and doesn't refund them.

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