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…
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Release Date:
Early 2022

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Early Access Game

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Note: This Early Access game is not complete and may or may not change further. If you are not excited to play this game in its current state, then you should wait to see if the game progresses further in development. Learn more

What the developers have to say:

Why Early Access?

“Since I am a single developer, Early Access will help me get in touch with my audience and community during the development process already, which will help me tremendously to deliver the horror experience I aim for with Hidden Deep.”

Approximately how long will this game be in Early Access?

“Depending on the feature requests that evolve during development I will be able to adjust the scope of the game, right now I would like to have the game fully realized within 6 to 8 months.”

How is the full version planned to differ from the Early Access version?

“I want to implement some features that would thrive and profit from Early Access feedback, namely more multiplayer options, leaderboards and a level editor. The core features of Hidden Deep are already in place, but also for the single player campaign I plan on delivering ongoing story development and further content.”

What is the current state of the Early Access version?

“The current state of the game delivers a stable and polished core experience, with the first of many levels in the story mode and high replayability with the challenge mode (which also includes split screen co-op already). Furthermore, there is already a variety of monsters lurking in the deep, with more to come.”

Will the game be priced differently during and after Early Access?

“Possibly. I’d evaluate the pricing regularly as the game gains features, expands in scope and moves to beta and the final release.”

How are you planning on involving the Community in your development process?

“I am already very involved with letting my community be part of the development. But giving them access to the game to move them from onlookers to participants will increase the involvement and give both sides a great opportunity to improve the game over the period of Early Access.”
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Planned Release Date: Early 2022

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About This Game

Hidden Deep is a 2D action & exploration sci-fi thriller set in a mining and research facility – more than a mile under the ocean floor.

A group of researchers detected strange anomalies of unknown nature and organized an expedition to examine the mysterious phenomenon. Suddenly, after 681 days, contact with the researchers breaks off. You are the leader of the second team: Go down there, find out what happened, rescue anybody who is alive.


Control your team members directly or by giving orders. Accomplish your mission by coordinating different tasks. Explore the sub oceanic caves by using specialized equipment: grappling hooks, scanners, drones and heavy machinery are all part of your arsenal.

Defend against horrific alien life forms and other, undiscovered horrors that lurk in the deep.


Hidden Deep offers both a story mode with narrative-driven levels and a challenge mode where you can tackle various mission goals in randomized levels, either alone or in co-op.


  • Rich dark sci-fi story. The story pays tribute to 80's and 90's games and movie classics like Aliens, The Thing, and Half-Life.
  • Tons of tools to use from grappling hooks and scanners to drones, weapons and heavy machinery.
  • Over 20 hours of gameplay in story mode (will be completed within the game’s Early Access period).
  • Challenge mode for even more adventures in the deep.
  • Local co-op and Remote Play co-op already available (Online co-op will be introduced within the game’s Early Access period).

Mature Content Description

The developers describe the content like this:

Hidden Deep contains graphic scenes of injuries, deaths and violent monsters attacks.

System Requirements

    • OS: MS Windows 7, 8, 10
    • Processor: Intel Core2Duo E7400
    • Memory: 4 GB RAM
    • Graphics: Intel HD Graphics 3000
    • DirectX: Version 9.0c
    • Storage: 1 GB available space

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