iO is an indie, abstract physics platformer all about big things and big speed.
Grow bigger or smaller as you solve challenging puzzles, as well as maintaining speed and momentum.
How quickly and smoothly can you reach the exit? Put your skills to the test!
What to know before buying iO
What's included with iO?
Included is the base game iO for PC.
Is there any region lock for iO?
This product is available worldwide; no region lock.
How will I receive my instant download for iO?
After payment has been approved, your game key will be included in your order confirmation email. You can access your key by following a link in the email. Next, you can activate your key on its corresponding platform.
If you’ve pre-ordered a game, your key will be delivered to your email a day before the official (or early access) release date. You will also receive a notification via email when your key becomes available.
How to activate the key for iO
Activate with Steam:
Download and install the Steam client on your PC (https://store.steampowered.com/about/), then sign up and log in.
Locate the Steam key in your cdkeys.com confirmation email, and copy it to your clipboard by pressing “Ctrl+C”.
Open the Steam client and locate the “+ ADD A GAME...” button on the bottom left of the window. Click this and choose the “Activate a Product on Steam…” option.
Paste the key from your clipboard in the “Product Code” section when asked, and follow the rest of the prompts to add the game to your library.
Your game is now viewable in the “Library” tab, and is available to download/install when you’re ready!
You can find additional support for the Steam client here: https://help.steampowered.com/en/wizard/HelpWithSteam
Solve over 200 challenging levels, or put your platforming skill under pressure in the tough Impossiball Levels.
Navigate through challenging mechanics including inversed gravity, portals, tricycles and movable objects.
Race against your friends or players from around the world, and see how skilled you are on the Leaderboards.
Play with the laws of physics, change your size, and speed your way through to the exit in this fast-paced platformer.
Want to get a free key to play iO?
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