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Hyperthymesia is free to play! Download it on Steam and start playing instantly.

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About Hyperthymesia

Hyperthymesia - about the game

Hyperphymesia is a first-person puzzle and role-playing game. In the game, you will encounter various bizarre things: a randomly transforming parking lot, a non-existent basement, and even a girl buried deep in your memory—she has been waiting for you for a long time. Now that you have entered this extremely realistic dream, why not temporarily forget the trivialities of reality? The full version includes all 12 chapters unavailable in the demo, with a complete storyline. (This game contains a small amount of unsettling background sounds and no background music, with a total playtime of over 3 hours.)

This work takes Hyperphymesia as its core setting and integrates it with the fantasy element of "lucid dreaming". It is a fictional creation based on publicly available medical data, designed to serve the plot and puzzle-solving gameplay. The content differs from the actual experiences of real patients, and we hereby extend our sincere respect to relevant groups.

I am dreaming a very lucid dream. Perhaps it is to escape reality—after all, in dreams you can have everything, but in reality, I don’t even have time. To be precise, time in reality never belongs to me, while time in dreams is always mine.

...... Lucid dream? Can I control the dream?

By some chance that I can’t explain, I learned about the concept of lucid dreaming—it means knowing that you are dreaming and being able to control what happens in the dream. Since then, I have been obsessed with experiencing lucid dreaming. The closest I ever got was when I realized I was dreaming. But the moment that thought crossed my mind, I opened my eyes abruptly. The surroundings were pitch black; I had never felt my room was so dark...... I have never truly entered a lucid dream, not even once.

Until I learned about a device called the Dream Therapy Instrument, which can help me enter a lucid dream. I customized one at a physical store that sells Dream Therapy Instruments, and several weeks later, I finally got my customized device......

My house has no basement—never has, and never will. A sense of unease began to creep over me. Nothing went as I expected. I started waking up in strange scenes time and again, all of which were places I had dreamed of before.

I met a person who called herself Yomogi. She was in my mind, and she wanted to help me escape from here......

I really saw Yomogi. She actually existed in my consciousness, and she wanted to help me get out of this bizarre dream cage......

Interface:
EnglishSimplified Chinese
Subtitles:
EnglishSimplified Chinese

Age rating

Unavailable

Minimum:

  • OS: win10
  • Processor: 12th Gen Intel(R) Core(TM) i5-12400F
  • Memory: 16 GB RAM
  • Graphics: NVIDIA Geforce GTX 1660 SUPER
  • Additional Notes: Broadband Internet connection; NVIDIA High Definition Audio

Recommended:

  • OS: win10
  • Processor: 12th Gen Intel(R) Core(TM) i5-12400F
  • Memory: 16 MB RAM
  • Graphics: NVIDIA Geforce GTX 1660 SUPER
  • Additional Notes: Broadband Internet connection; NVIDIA High Definition Audio
Historical low
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FAQ

8 questions

Before you start looking for a cheap Hyperthymesia key, check the essentials. Developed by hunoui. Published by hunoui. Genres: Indie. Categories: Family Sharing, Single-player, Color Alternatives, Playable without Timed Input, Camera Comfort.

Q

Where to buy a cheap Hyperthymesia Steam key?

Hyperthymesia is free to play! Download it on Steam and start playing instantly.

Hyperthymesia is completely free on Steam. No purchase needed - just download and play. If you are looking for premium DLC or in-game items, check the offers table above.

Our price tracker covers both official retailers and key marketplaces, so you can find Hyperthymesia on sale even outside seasonal promotions. We currently detect 0 active offers from official stores and keyshops. Check the table above, compare against the historical low, and set an alert so you never miss the next price drop.

Based on our data, Hyperthymesia is not currently available on GeForce NOW. You will need to run it locally on your PC. Browse games available on GeForce NOW.

Yes. Hyperthymesia has an official page on the Steam Store, but we currently don't track any third-party offers with Steam DRM. Check back later or set a price alert.

Not at this time. Valve marks Hyperthymesia as Unsupported on Steam Deck. Keep an eye on XD.deals - we track Proton updates and community fixes. Browse games that are Steam Deck Verified or Steam Deck Playable.

Hyperthymesia does not appear to be available on PC Game Pass, EA Play, Ubisoft+ or any other PC subscription service at this time. Your only option is purchasing the game - use XD.deals to find the best price.

No - XD.deals is not a store. We are a price-comparison service that tracks the best Hyperthymesia deals across official stores and verified keyshops. Click "Go to Store" next to any offer and you will be redirected to the retailer's website to complete your purchase.

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