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iO

Release dateDec 5, 2014

Ratings & reviews

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?

IndiePlatformActionSingle playerPuzzle

Media & gameplay showcase

Best Price Right Now

$1.24

Steam

Observed 3 days ago

Historical Low

$1.24

Steam

Observed Oct 2, 2026

Edition / bundle

Edition / bundle

Available at 1 store · 1 edition / bundle

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iO

			Store Link
Steam	$1.24 $4.99 Observed 3 days ago	-75%Sale ends Oct 8, 2026	Purchase

Steam
$1.24
$4.99
Observed 3 days ago
-75%Sale ends Oct 8, 2026
Purchase

Price History

Edition / bundle

Observed	Steam · USD
38 days ago	$4.99
3 days ago	$1.24

About iO

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?

Game details

Release date

Dec 5, 2014

Developer

Gamious

Publisher

Gamious

Platforms

Linux, Mac, PC (Microsoft Windows), PlayStation 4, PlayStation Vita, Xbox One

Genres

Indie, Platform, Puzzle, Racing

Themes

Action

Game modes

Single player

Player perspective

Side view

Languages

Language	Audio	Interface	Subtitles
Dutch
English
French
German
Italian
Polish

Age ratings

PEGI: 3, ESRB: E

Steam Deck Compatibility

Playable