OU

Fantasy adventure where the characters can change how the story ends

room6, G-MODE · Published by G-MODE, yokaze · Released Aug 30, 2023

Reviews: Very Positive; 88% of 72
Recent reviews: Not enough recent
Players: 0; daily peak, Oct 28, 2026
Steam Deck: Playable
Last update on Steam: 1 year ago; Jan 15, 2025
Minimum PC: GeForce GTX 660; 4 GB RAM · 5 GB disk; Full requirements

What is OU?

OU is a single-player, side-scrolling adventure set in U-chronia, a world rooted in memories of the distant past. You play a boy who wakes without memories of his own, walking through the world with Zarry, an opossum with a flaming tail, to discover his story.

For you if...

+you enjoy melancholy stories with an abstract narrative

Not for you if...

−you want frequent action and demanding puzzles

What players say

88% of 72 reviews are positive

Players consistently praise the artwork and music. Complaints focus on slow movement and repeatedly traversing familiar scenes to reach the true ending.

Screenshots and trailer

OU system requirements

Minimum: GeForce GTX 660, 4 GB RAM, 5 GB of disk space.

As published by the developer.

Can my PC run OU?

Tell us your graphics card once and every game page will answer this for you.

Set up my PC →

Minimum

OS: Windows 10
Processor: Intel Core i3-2125
Graphics: NVIDIA GeForce GTX 660
Memory: 4 GB RAM
Storage: 5 GB available space

Does OU have co-op or multiplayer?

No: single-player only, no multiplayer modes declared.

Single-player

Does OU run on Steam Deck?

Playable Playable: it runs on Steam Deck with some adjustments.

Some in-game text is small and may be hard to read
All functionality is accessible with the default controller configuration
Shows Steam Deck controller icons
Default graphics settings perform well on Steam Deck
External controllers are not supported for the primary player

PC version details

DRM: None declared on Steam
Controller: Keyboard and mouse
Platforms: Windows
Achievements: 11
Steam features: Cloud saves, Family Sharing
Languages: Text only: English, Japanese, French, Italian, German, Spanish - Latin America, Portuguese - Brazil, Simplified Chinese.

Does OU use AI-generated content?

No AI-generated content is disclosed on the game's Steam page.

Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 28, 2026. How to filter AI games on Steam