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  1. Steam2.0 · 560 reviews
    $8.99View Offer

Trailers & screenshots

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About The Portsmoor Abysm

The Portsmoor Abysm is a puzzle game set in the dangerous catacombs beneath the town of Portsmoor. You work through chambers filled with environmental hazards and monsters, solving puzzles to escape and save the town.

The catacombs

Each chamber presents new dangers, including falling boulders, deadly miasma and ravenous plants. To open an exit, you must activate all the stone effigies. Monsters lurk in the dark chambers; learning how each behaves and how to use them can help you escape.

As you descend, you uncover the catacombs’ secrets: who trapped you below and why, who built the halls, and what is behind the otherworldly horrors that live there.

Episodes and levels

The game has four episodes, each with 18 levels of increasingly challenging puzzles. Chambers are fairly short, and the first episode can be completed in under an hour. Depending on your skill, the full game offers 6–10 or more hours of puzzle solving.

Pixel art and sound

The catacombs are presented in handcrafted pixel art with a 16-bit look, accompanied by atmospheric sounds and music.

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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