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Underworld Adventure

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About Underworld Adventure

Underworld Adventure is about escaping a dark, narrow underground cave while zombies and ghosts pursue you. You navigate hidden passages, traps and obstacles, making quick decisions to outsmart the creatures and find a way out.

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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