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If one’s imagined world of nightmare and the real world unite…. The hide-and-seek game of death in the world of nightmare begins. Discover hints and save yourself from the nightmare!
Released
December 6, 2017
Price
Platforms
macOS · Linux · Windows
Developer
Publisher
Last sync
September 30, 2026
One day, a boy, Riel, has a nightmare. inside the dream there is a school just like in real where terrifying things continues to happen.
Being chased by a blood-soaked medusa, his friends are killed.
Students foam teams just to fight each other.
...this was a beginning of [Nightmare Game].
After inference of collected hints, they can end this game.
the [Broadcast] will tell about where Hints are, and friends' death.
they were programmed to bring them to death.
is the [Broadcast] from my mind? and what happened in dreams is connected to reality.
when someone dies in my dream- so do in reality. can Riel finish the game?
Summer Nightmare is a Mystery Survival adventure in dreams, surrounding Riel.
Protect friends, teacher and yourself!
『Those who happen to behold Medusa, are destined to be killed by someone.』
