Last 7 days
Screenshots, achievements, specs, every price change and sale we've seen on Steam, and trading cards.
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Steam prices for United States (change the country in the top bar), and Steam keys from authorized stores.
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81% positive of 102 · Very Positive · Live from Steam
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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!
Live data from Steam, tracked by SteamPlayerBase.
What changed on Steam for this game since we started following it: prices and sales, builds, name, release date and review score.
Review score: 81% on 2026-11-01 → 81% today (102 reviews)
Every build released on Steam for this game since we started tracking it, with the developer's patch notes. Updated within minutes of each new build.
We finally found the time, resources and nerve to fix some things that should have been fixed a long time ago. Without going into too much detail about why we couldn't have fixed it earlier, here's the list! 144mhz monitor flicker seems to be fixed, feedback w…
iO is back! http://www.gamious.com/wp-content/uploads/2015/10/ioisback.png The update is LIVE. It's been a long time coming, but it's here now and we are quite happy with it. Hopefully you are too! This content update includes a number of things, but most impo…
iO is back! http://www.gamious.com/wp-content/uploads/2015/10/ioisback.png The update is LIVE. It's been a long time coming, but it's here now and we are quite happy with it. Hopefully you are too! This content update includes a number of things, but most impo…
iO is back, bigger and better than ever! At then end of next week iO will get a huge update. This update includes a big facelift for the game, a lot of new content, a few new mechanics and an extra hard challenge. And all of it will be FREE. Finally, before yo…
iO is back, bigger and better than ever! At then end of next week iO will get a huge update. This update includes a big facelift for the game, a lot of new content, a few new mechanics and an extra hard challenge. And all of it will be FREE. Finally, before yo…
We just updated the latest iO build with some neat features: Steam Cloud Saving This feature was requested by many players. The level times are now saved in the Steam Cloud instead of locally. So wherever you play, you'll be able to access your fastest times. …
We just updated the latest iO build with some neat features: Steam Cloud Saving This feature was requested by many players. The level times are now saved in the Steam Cloud instead of locally. So wherever you play, you'll be able to access your fastest times. …
Hi all, Please note that we will be wiping the Global leaderboards soon. So, if you just need a couple of Gold medals, go get them now! Achievements will be saved of course. Why are we doing this?!?!? One of the main requests post launch was Steam Cloud Saves.…
We’ve been working hard on improving the game experience based on valuable feedback from our players. Thank you all for your support! Here’s an overview of the fixes in this quite big update. Bugfixes - Accelerating bug Fixed a bug where you could achieve fast…
We’ve been working hard on improving the game experience based on valuable feedback from our players. Thank you all for your support! Here’s an overview of the fixes in this quite big update. Bugfixes - Accelerating bug Fixed a bug where you could achieve fast…
There was a slight slowdown with the leaderboards, but they are live and available now on the iO Community Page! And don't worry, all times since release are safe and sound ;) Good luck racing your friends! http://steamcommunity.com/stats/324070/leaderboards/5…
There was a slight slowdown with the leaderboards, but they are live and available now on the iO Community Page! And don't worry, all times since release are safe and sound ;) Good luck racing your friends! http://steamcommunity.com/stats/324070/leaderboards/5…
Works, but may need extra effort. Results from Valve's own testing.
No authorized Steam key store lists this game right now.