OYASUMII

Released Mar 2025

Relive the nostalgia with OYASUMII, a horror and exploration game inspired by PSX and N64 classics. Enter liminal spaces and face surreal terrors in an adventure that challenges your skills and sanity. Are you ready to relive the golden age of video games with OYASUMII?

82% positive · 116 reviews

Done

All announced content has been released

High confidence

Done

All announced content has been released

High confidence

Where to buy

Steam Updated 12 Oct 2026 $6.99

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Evaluation

OYASUMII launched on March 7, 2025 as a finished horror/exploration game inspired by PSX and N64 classics. The developer's post-launch communication has been limited to a single soundtrack DLC released on April 30, 2025 — there are no announced expansions, roadmaps, or future content commitments of any kind. The news history consists entirely of pre-launch announcements and the launch post itself, with no post-launch developer communications about game updates or new content. The sole DLC is a soundtrack, which is cosmetic/supplementary rather than a content expansion. There is no post-launch update pattern, no unreleased DLC on the store, and no developer statements indicating future content. The game appears to have launched as a complete, self-contained experience.

Evidence

OYASUMII launched on Steam on March 7, 2025. The launch post thanks players and invites reviews, with no mention of planned post-launch content or updates.

news post · Mar 7, 2025 source content shipped

high

The only DLC listed is a soundtrack pack released April 30, 2025. No game content DLC exists or has been announced.

dlc listing · Apr 30, 2025 source content shipped

medium

Content

1 of 1 released · no outstanding content

Released

OYASUMII Soundtrack

Apr 2025

Media

Details

Developer

NEO PROJECT Studios

Publisher

NEO PROJECT Studios

Achievements

Platform

Windows

Controller

partial support

Steam Deck

Not rated

Players

Single-player

Horror Adventure Exploration Surreal Psychological Horror Retro Survival Puzzle Mystery Thriller Atmospheric Underwater Survival Horror Psychological Multiple Endings

About this game

EMBARK ON A NOSTALGIC JOURNEY INTO RETRO HORROR WITH OYASUMII

Welcome to OYASUMII, a gem of terror and exploration inspired by the classics of the PSX and N64 era. Immerse yourself in a unique experience where nostalgia blends with horror in a journey through liminal spaces and twisted worlds.

DELVE INTO THE DREAM QUEST ONLINE UNIVERSE

In OYASUMII, developed by the NEO PROJECT team, you will embark on a journey full of mystery and danger in the confines of Dream Quest Online. Set in a virtual reality that evokes the most beloved retro games, you will find yourself walking among surreal landscapes and facing terrors that defy logic.

UNRAVEL THE MYSTERIES OF THIS DISTORTED WORLD

Discover the dark secrets of this distorted world as you venture through labyrinths designed to confuse and surprise you at every turn. Immerse yourself in the unique atmosphere of OYASUMII, where every corner hides unexpected dangers and every door could bring you closer to salvation or madness.

JUMP, DIVE AND RUN!

With gameplay mechanics that invite you to walk calmly through liminal spaces, jump to overcome platforms, and run from lurking threats, OYASUMII offers a horror and exploration experience that challenges your skills and sanity.

RELIVE THE GOLDEN AGE OF RETRO VIDEO GAMES

With graphics and a soundtrack that evoke the golden age of retro video games, OYASUMII will immerse you in a world of nostalgia and excitement. Prepare for a unique adventure that will take you to the limits of your fears and challenge you to explore the unknown.

GET READY FOR AN UNFORGETTABLE ADVENTURE

Are you ready to discover the hidden secrets of OYASUMII and escape the horrors that lurk in the Dream Quest Online universe? Join this unique experience and prepare to live an adventure you will never forget.