Oneiro
Developed by Ryan Olah · Published by Ryan Olah
At a glance
Overview
An action, indie, strategy game by Ryan Olah, published by Ryan Olah — single-player.
Steam’s own one-line description: “Utilize skill, creativity, and knowledge to reach the depths of your mental labyrinth. By collecting and stacking items, gears, and weapons, you'll stand a chance against the brutal manifestations of your fears.” — developer/publisher text via the Steam store page.
Reception & community
Review sentiment, ownership and peak-concurrent estimates via SteamSpy; tags are player-voted on Steam. Estimates change over time.
Features & modes
Derived from the gameplay modes and feature categories Steam lists for Oneiro.
| Feature | Supported |
|---|---|
| Single-player | Yes |
| Multiplayer | No |
| Co-op | No |
| Online co-op | No |
| PvP | No |
| Cross-platform multiplayer | No |
| Full controller support | Yes |
| Partial controller support | No |
| Steam Cloud saves | No |
| Steam Achievements | Yes |
System requirements (PC)
As published on the Steam store page. Requirements can change between updates.
Minimum
- OS *: Windows 7
- Storage: 300 MB available space
Supported languages (1)
Oneiro FAQ
Answered from the official Steam listing as of June 2026. Where something hasn't been announced, we say so rather than guess.
What kind of game is Oneiro?
Steam classifies Oneiro as a Action, Indie, Strategy game, developed by Ryan Olah. Utilize skill, creativity, and knowledge to reach the depths of your mental labyrinth. By collecting and stacking items, gears, and weapons, you'll stand a chance against the brutal manifestations of your fears.
How much does Oneiro cost?
As of June 2026, Steam lists Oneiro at $4.99. Prices and regional pricing change — check the Steam page for the current figure.
Is Oneiro single-player or multiplayer?
Steam lists these modes for Oneiro: Single-player. It lists a single-player mode.
Is Oneiro on PlayStation, Xbox, or Switch?
Our data comes from the Steam (PC) store, which lists Oneiro for Windows. Console availability isn’t in our Steam-sourced data — check the official site or the console store.
Is Oneiro out yet?
Yes — Steam lists a release date of Jun 18, 2021.
What platforms is Oneiro on?
Oneiro is listed for Windows on the Steam (PC) store. Console availability isn't covered by Steam's PC store data — check the official channels.
Is Oneiro single-player or multiplayer?
Steam lists these modes: Single-player.
How much does Oneiro cost?
Steam lists it at $4.99.
Does Oneiro have achievements?
Yes — Steam lists 42 achievements for Oneiro.
Who made Oneiro?
Oneiro is developed by Ryan Olah and published by Ryan Olah.
Where to get Oneiro
We don't sell games or track prices — this links to the official Steam store page.
View on Steam →Listing details from Valve's public Steam store data. Not affiliated with Valve/Steam, Ryan Olah.