iO is a physics platformer in which you control a ball. By growing or shrinking the ball you can influence its speed and weight. Use these mechanics to gain momentum and make your way through the levels. Toy with the laws of physics, solve the puzzles and reach the exit as quickly as possible. Can you win the gold medal in all levels?
Key Features:
225 challenging levels to solve, including the extra tough Impossiball Levels.
Crafty mechanics like inversed gravity, portals, tricycles and movable objects.
Leaderboards in all levels to race against your friends and other iO players.
Bronze, Silver and Gold medals to earn.
Dual Stick controller support.
windows Minimum
OS: Windows XP+
Memory: 2 GB RAM
Graphics: DX9 (shader model 2.0) capabilities
Storage: 250 MB available space
Directx: Version 9.0
windows Recommended
OS: Windows XP+
Memory: 2 GB RAM
Graphics: DX9 (shader model 2.0) capabilities
Storage: 500 MB available space
Directx: Version 9.0
macosx Minimum
OS: OS X 10.6+
Memory: 2 GB RAM
Graphics: DX9 (shader model 2.0) capabilities
Storage: 250 MB available space
macosx Recommended
OS: OS X 10.6+
Memory: 2 GB RAM
Graphics: DX9 (shader model 2.0) capabilities
Storage: 500 MB available space
linux Minimum
OS: Ubuntu 10.10+
Memory: 2 GB RAM
Graphics: DX9 (shader model 2.0) capabilities
Storage: 250 MB available space
linux Recommended
OS: Ubuntu 10.10+
Memory: 2 GB RAM
Graphics: DX9 (shader model 2.0) capabilities
Storage: 500 MB available space
To activate the game, you need a Steam Account
Login or register at the official Steam Website and download Steam client
Install and start application, login with your Account name and Password
Click the Games Menu.
Choose Activate a Product on Steam...
Follow the onscreen instructions to complete the process
After the successful code verification, go to the "MY GAMES" tab and start downloading.
News & Updates
2026-05-04
Monthly Recap - April Edition
For this month’s recap we decided to include stories about interesting upcoming events and gaming titles, as well as the sweeping wins for the indie title Clair Obscur: Expedition 33 at the BAFTA Games Awards and updates on the Tekken 8 world tour, as well as the discounted Xbox Game Pass Ultimate, so read on in order to find out more details and make use of it timely, so let’s dive into it right away…
30 Years of Fear: Celebrating the Legacy of Resident Evil
It has been 3 whole decades of zombie survival horror since the Resident Evil series started and we decided to cover the most recent developments in the CAPCOM masterpiece that is synonyms with all kinds of deadly and gory heart-stopping experiences that would make you chill every time you decide to partake in it! Originally titled Biohazard (in Japan), the Resident Evil franchise spans…