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Not Only One Brain

A sci-fi survival horror game with the core mechanic Haunting Ground-like. You evade the chasers, solve puzzles, and explore forward. Besides hiding, you can use your weapons to stall the chasers. You can hack into the neuron systems of other creatures as a 'Witch', and control them to help.

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Updated: Jul 14, 2026Developer scaleThe operating scale of the game's developer.
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About the Game

About the story:

Humans with Lambda-7 gene mutation on both X chromosomes can perceive 'The Pattern'. Aided by wetware, they can access to 'The Pattern' and acquire the ability to inbreak into any intelligent host. They are known as "Witches."

About the gameplay:

The core mechanic was inspired by Haunting Ground. You evade the chasers, solve puzzles, and explore forward. You can hack into the neuron systems of other creatures as a 'Witch', and control them to help.

Hide to stall the chaser:

Besides hiding, you can use your weapons to stall the chasers. Observe your surroundings, watch the behavior of the chasers, balance the supply consuming and stamina using, find out a best tactic to go through.