iO
Developed by Gamious · Published by Gamious
At a glance
Overview
An action, indie, racing game by Gamious, published by Gamious — single-player.
Steam’s own one-line description: “iO is an abstract physics platformer about size and speed. Grow bigger and smaller in order to solve some of the trickiest puzzles. Reach the exit as quickly as possible and grab a gold medal as your reward!” — 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 iO.
| 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 | Yes |
| Steam Achievements | Yes |
System requirements (PC)
As published on the Steam store page. Requirements can change between updates.
Minimum
- OS *: Windows XP+
- Memory: 2 GB RAM
- Graphics: DX9 (shader model 2.0) capabilities
- DirectX: Version 9.0
- Storage: 250 MB available space
Recommended
- OS *: Windows XP+
- Memory: 2 GB RAM
- Graphics: DX9 (shader model 2.0) capabilities
- DirectX: Version 9.0
- Storage: 500 MB available space
Supported languages (8)
iO 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 iO?
Steam classifies iO as a Action, Indie, Racing game, developed by Gamious. iO is an abstract physics platformer about size and speed. Grow bigger and smaller in order to solve some of the trickiest puzzles. Reach the exit as quickly as possible and grab a gold medal as your reward!
How much does iO cost?
As of June 2026, Steam lists iO at $0.99. Prices and regional pricing change — check the Steam page for the current figure.
Is iO single-player or multiplayer?
Steam lists these modes for iO: Single-player. It lists a single-player mode.
Is iO on PlayStation, Xbox, or Switch?
Our data comes from the Steam (PC) store, which lists iO for Windows, macOS, Linux. Console availability isn’t in our Steam-sourced data — check the official site or the console store.
Is iO out yet?
Yes — Steam lists a release date of Dec 5, 2014.
What platforms is iO on?
iO is listed for Windows, macOS, Linux on the Steam (PC) store. Console availability isn't covered by Steam's PC store data — check the official channels.
Is iO single-player or multiplayer?
Steam lists these modes: Single-player.
How much does iO cost?
Steam lists it at $0.99.
Does iO have achievements?
Yes — Steam lists 39 achievements for iO.
Who made iO?
iO is developed by Gamious and published by Gamious.
Where to get iO
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, Gamious.