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Explore the Catacombs of Portsmoor, push boulders, avoid deadly traps, face otherworldly monsters, and solve mind-bending puzzles. The Portsmoor Abysm is an atmospheric puzzle game with Sokoban-like mechanics, inspired by classics such as Boulder Dash, Supaplex, or Emerald Mine.
Linux · Mar 20, 2026
Worldwide · Exact date · Full release · IGDB
PC (Microsoft Windows) · Mar 20, 2026
Worldwide · Exact date · Full release · IGDB
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32 achievements available.

Discovered just how volatile these monsters can be.
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Finished the chamber Avalanche.
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All the dirt cleaned from the episode 1 chamber Avalanche.
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Finished the chamber Baen.
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All the dirt cleaned from the episode 4 chamber Baen.
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All the dirt removed from a chamber.
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Most of the dirt cleaned from the episode 2 chamber Gladius.
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Finished the chamber Kathegetēs.
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Managed to preserve some of the dirt in the episode 4 chamber Laqueum
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Managed to preserve more than a single dirt in the episode 4 chamber Laqueum
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All the dirt cleaned from the episode 3 chamber Motsats.
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All the dirt cleaned from the episode 2 chamber Pilae.
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All the dirt cleaned from the episode 2 chamber Throng.
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Finished the chamber Varkár.
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Tried to breathe the bad air.
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Barnacles determined not to be sticky enough.
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Desirable but dangerous.
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Not only cold, but also heavy.
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Close encounter with a deadly ceiling-spike.
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The Catacombs left behind.
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Down, down, down in a single play session.
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Too close up and personal with the local flora.
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Killed all the growth in the chamber Growth
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Looking toasty at the end.
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No way back to the surface but down.
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