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Experiment 15
Experiment 15 is a two-player online co-op psychological horror puzzle game where you share control of a single body. One controls the body, the other the mind. Communicate, combine what each of you can perceive, and survive a series of disturbing experiments.

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Features
Languages:
Interface Full Audio Subtitles
English ✔ ✔ ✔

Coming Soon To Early Access

The developers of this game intend to release as a work in progress, developing with the feedback of players.

Note: Games in Early Access are 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?

“We want to improve the cooperative puzzles, pacing and overall experience with feedback from players while we continue developing the story.”

Approximately how long will this game be in Early Access?

“We currently expect Early Access to last around 1–2 months. This estimate may change as development progresses.”

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

“We plan to expand the story with many more rooms and a story ending.”

What is the current state of the Early Access version?

“The Early Access version offers around two hours of gameplay. It is a two-player online cooperative psychological-horror game, with players sharing control of Body and Eyes. The story is not yet complete. The current version supports Windows, with English dialogue and text.”

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

“We currently plan to keep the same price during and after Early Access.”

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

“Players can share feedback and report bugs through Steam Discussions or by emailing naor@humangengames.com. We will use this feedback to help guide fixes and improvements during Early Access.”
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About This Game

TWO PLAYERS. ONE BODY.

Experiment 15 is a two-player online co-op psychological horror puzzle game where you and your partner share control of a single body.

One of you controls the body.
The other controls the mind.

You will need to communicate, cooperate, and rely on each other's perception to survive a series of increasingly disturbing experiments.

SHARE CONTROL

Neither player has complete control.

While one player is responsible for movement and physical interaction, the other controls where you look and how you perceive the environment.

Something one of you can see may be completely invisible to the other.

Your greatest advantage is also your greatest weakness: you need each other.

SOLVE EXPERIMENTS TOGETHER

Every experiment introduces new rules and challenges the way you communicate.

Manipulate objects, coordinate movement, observe your surroundings, and combine the information available to each player to find a way forward.

Sometimes the solution depends on what you can see.

Sometimes it depends on what your partner can't.

SOMETHING IS WRONG HERE

You were brought here to complete Experiment 15.

At least, that's what you've been told.

As you progress deeper into the facility, fragments of the past begin to surface. Strange messages, forgotten memories, and increasingly unsettling experiments raise a simple question:

Why are you really here?

FEATURES

  • Two-player online co-op

  • A unique shared-body control mechanic

  • Asymmetric perception and information

  • Psychological horror

  • Cooperative puzzles built around communication

  • Atmospheric environments and story-driven exploration

  • Secrets hidden throughout the experiments

Mature Content Description

The developers describe the content like this:

Experiment 15 contains psychological horror, frightening and disturbing scenes, dark themes, intense atmosphere, and moments of threat and distress. Some scenes and story elements may be unsettling or disturbing to some players.

System Requirements

    Minimum:
    • Requires a 64-bit processor and operating system
    • OS: Windows 10 64-bit
    • Processor: Intel Core i5-8400 / AMD Ryzen 5 2600
    • Memory: 16 GB RAM
    • Graphics: NVIDIA GTX 1660 / AMD Radeon RX 5600 XT
    • DirectX: Version 12
    • Network: Broadband Internet connection
    • Storage: 5 GB available space
    • Sound Card: DirectX compatible
    Recommended:
    • Requires a 64-bit processor and operating system
    • OS: Windows 11 64-bit
    • Processor: Intel Core i5-12400 / AMD Ryzen 5 5600X
    • Memory: 16 GB RAM
    • Graphics: NVIDIA RTX 3060 Ti / AMD Radeon RX 6700 XT
    • DirectX: Version 12
    • Network: Broadband Internet connection
    • Storage: 5 GB available space
    • Sound Card: DirectX compatible