Hyperthymesia
You are Hunoui, who enters a lucid dream with a device. You experience six REM sleep cycles together with Yomogi. To escape or to confront—these two completely different choices will lead you to redemption or plunge you into ruin?
Last Updated: 12/20/2025
About Hyperthymesia
Hyperthymesia is an Indie game developed by hunoui. It was released on the Steam Store by hunoui.
It can be played and ran on Windows systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.
According to Steam’s category system, Hyperthymesia supports the following features:
- Single-player
- Playable without Timed Input
- Camera Comfort
- Family Sharing
- Color Alternatives
Media & Sceenshots
Watch the featured video for Hyperthymesia and see the latest screenshots from the Steam Store.

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Frequently Asked Questions
Soures & References
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Hyperthymesia data has been sourced from:
- Valve Corporation. (2025, December 20). Hyperthymesia on Steam. Steam Store.
- Valve Corporation. (2025, December 20). Hyperthymesia. Steam Community Hub.