- June 8, 2025
- Ivan99&Co
Horrific Experiments of the Oyama
Platforms
About
Horrific Experiments of the Oyama is a single player survival platformer game with horror and anime themes. It was developed by Ivan99&Co and was released on June 8, 2025.
Another quiet evening at Oyama's house turned into a total nightmare... The main slacker, Mahiro Oyama, will have to put aside his entertainment and embark on a serious struggle for survival in his own house, which has become full of dangers. Mahiro had to do anything to save and cure his close relative... Horror sidescroller fangame based on anime and manga «Oniichan wa Oshimai!» (I'm now your s…



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Frequently Asked Questions
Horrific Experiments of the Oyama is a survival platformer game with horror and anime themes.
Horrific Experiments of the Oyama is available on Phone, Windows, Tablet, Android and others.
Horrific Experiments of the Oyama was released on June 8, 2025.
Horrific Experiments of the Oyama was developed by Ivan99&Co.
Horrific Experiments of the Oyama is a single player game.
Similar games include KAMLA, Little Runmo - The Game, Bunker: Zombie Survival Games, Reindeer Story, Kamla - Horror Exorcism Escape and others.








