Co-op horror where proximity voice turns terror into comedy
Hidden Deep is an atmospheric sci-fi action game heavily inspired by Aliens, The Thing, and Half-Life. Explore, climb, swim, scan, blast and shoot your way through dangerous missions in a huge sub oceanic mining and research facility. Fear the horrors that lurk below…



Turn on proximity voice chat and watch the terror turn into comedy.
Hidden Deep is an atmospheric sci-fi action game heavily inspired by Aliens, The Thing, and Half-Life. Explore, climb, swim, scan, blast and shoot your way through dangerous missions in a huge sub oceanic mining and research facility. Fear the horrors that lurk below…
Selected for the Logpier co-op catalog with a 76% positive rating across 4,310 Steam reviews (Popular Hit: 2,000+ reviews). Built for 1–4 Players via Online & Local Co-op (All Players Must Own).
Structured around ~1–2 hrs (Mission / Run-Based) sessions with drop-in supported between lobby expeditions, making it an easy shortlist contender for game night.
Note: This guide is an AI-assisted curation summary synthesized from public Steam store metadata and user review signals. First-hand squad play notes submitted by community reviewers appear separately below.
Even scaredy-cats will laugh their way through with a 4-player squad.