OYASUMII

About

OYASUMII is a single player action adventure game with a horror theme. It was developed by NEO PROJECT Studios and was released on March 7, 2025. It received mostly positive reviews from players.

Oyasumii is a single-player horror action game that takes you on a nostalgic journey through retro-inspired, surreal worlds filled with mystery and danger. Explore twisted, labyrinthine environments where every corner hides unexpected threats and secrets. With a captivating story, a delightful soundtrack, and a spectacular atmosphere, it offers an immersive blend of horror and exploration.

Genres & Tags

Play Modes

Single-Player

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73%

Audience ScoreBased on 41 reviews

story9 positive mentions

The game features a captivating soundtrack that enhances the overall atmosphere.
It successfully evokes nostalgia through its retro graphics and familiar level designs reminiscent of classic games like Super Mario 64.
The exploration of liminal spaces creates a unique and eerie experience that keeps players engaged.

The gameplay is predominantly linear and often feels padded with long, empty mazes that detract from the overall experience.
There is a lack of substantial story and gameplay depth, making it feel more like a collection of references than a cohesive game.
The absence of save options and control remapping can lead to frustrating gameplay experiences.

story
18 mentions Positive Neutral Negative
50%
33%
17%
The game's story is described as intriguing yet underdeveloped, with many players finding it abstract and difficult to fully grasp. While some appreciate the atmospheric elements and the potential for mystery, others criticize the narrative for being superficial and lacking depth, often relying on references to better-known games. Overall, it seems to appeal primarily to fans of atmospheric walking simulators, though it may leave those seeking a robust story feeling unsatisfied.
- “The story seems genuinely interesting.”
- “The mysteries, the music, and the story are incredible!”
- “The story is a bit abstract, but the dialogue provides just enough context for the message to be clear.”
- “There's some plot going on, and honestly it isn't hard to follow per se, but it's a little barebones, with so few kernels of info to connect together that who is to say what it exactly means other than the general idea of a haunted game.”
- “What this game felt like to me, with all of what little narrative pieces it has to string together some kind of a story to try and ground, to try and explain the existence of its moving parts felt meaningless once the very first train segment hit.”
- “There is barely any actual story in this game, and it's all just a haphazard mishmash of video game references.”
atmosphere
13 mentions Positive Neutral Negative
62%
15%
23%
The atmosphere of the game is widely praised for its ability to evoke nostalgia while simultaneously creating unsettling and disquieting environments. Reviewers highlight the effective use of music and visual design to craft a dreamlike experience that ranges from light and airy to oppressive, making it particularly appealing for fans of atmospheric walking simulators. Overall, the game is recommended for those who appreciate immersive audiovisual experiences, despite its minimal gameplay and story elements.
- “This is why the atmosphere works so great; you're seeing a lot of familiar nostalgic areas re-contextualized as unsettling liminal spaces.”
- “Despite my grievances, I cannot in good conscience be harsh on Oyasumii, mainly due to its ability to build an atmosphere as unsettling and disquieting as it is visually compelling in its dreamlike eeriness.”
- “Each step forward reveals more of the twisted world, and the horror here isn't just about jump scares – it’s about atmosphere, the unknown, and the uncanny.”
- “The atmosphere hits me like a freight train.”
graphics
11 mentions Positive Neutral Negative
45%
28%
27%
The graphics of the game are praised for their unique and nostalgic PS1-style aesthetic, reminiscent of classic titles like Mario 64, and are described as beautiful and original. While the visuals create a striking atmosphere and appeal to fans of retro aesthetics, some reviewers feel that the game lacks substance and engaging gameplay to complement its artistic potential. Overall, it offers a surreal and visually captivating experience, particularly for those who appreciate old-school design and dreamlike environments.
- “The visuals are super cool and original.”
- “- The graphics and scenery are very beautiful and lovely to look at.”
- “Regrettably, beneath Oyasumii’s undeniably striking aesthetics lies little substance.”
- “Cool game, I like how despite the game trying for a PS1/64 aesthetic, there are still areas of the game that look really beautiful, like the forest, for example.”
- “If you’re into old-school aesthetics, liminal spaces, and a haunted video game feel, this one is a lot of fun.”
music
10 mentions Positive Neutral Negative
90%
10%
The music in the game has received high praise for its nostalgic and atmospheric qualities, often compared to the soundtrack of "Yume Nikki." Reviewers highlight the soundtrack as phenomenal and well-composed, effectively enhancing the game's emotional depth and visual appeal. Overall, the music is described as charming, colorful, and a significant aspect of the game's immersive experience.
- “The music is good and it has a nostalgic and liminal feeling.”
- “The OST is phenomenal, nailing the Y2K, aero feel while staying in sync with the environments.”
- “The mysteries, the music, and the story are incredible!”
gameplay
9 mentions Positive Neutral Negative
33%
34%
33%
The gameplay of the game is a mixed bag, with some players enjoying the fun mechanics and atmospheric visuals, while others criticize it for being overly simplistic and padded with empty exploration. Although it features intriguing elements and a solid message, many feel it lacks depth in both gameplay and storytelling, leading to a frustrating experience in its later stages. Overall, it offers a brief, visually appealing experience but may not satisfy those seeking substantial gameplay or narrative engagement.
- “The message behind the game is solid, and the gameplay itself is fun.”
- “This game is actually cool, didn't really understand the story too much, but fun gameplay and beautiful, creepy areas. 8/10.”
- “It's a cool pixel style horror liminal game with fun gameplay and trippy levels and effects.”
- “There are a few things that really ruined the gameplay experience for me.”
- “It starts off with some gameplay, then eventually you just kind of roam around big empty maps. Before that, they have a maze where you can't see and end up in total darkness a lot with no way to tell which way is where.”
- “The issue is that usually walking sims make up for their lack of gameplay with a great and engaging story, or insanely interesting visuals and setting, but this game has neither.”
emotional
1 mentions Positive Neutral Negative
100%
Oyasumii evokes a strong sense of nostalgia, reminiscent of childhood exploration akin to Mario 64, but infuses it with a darker, surreal atmosphere that enhances the emotional experience.
- “Oyasumii didn’t just remind me of Mario 64—it made me feel like I was re-experiencing the joy of childhood exploration, only this time, with a much darker, more surreal spin.”