- December 5, 2014
- Gamious
iO
A simple-on-the-surface, yet tough to master puzzle platformer that will keep you coming back time and time again to obtain the best medals that you can.
Platforms
About
iO is a single player platformer game. It was developed by Gamious and was released on December 5, 2014. It received mostly positive reviews from critics and positive reviews from players.
iO is a single-player platformer game where you control a ball and use mechanics such as changing its size to affect speed and weight, allowing you to solve puzzles and reach the exit quickly. The game features 225 challenging levels, crafty mechanics including inverted gravity and portals, and leaderboards to compete against other players. Earn bronze, silver, and gold medals and support for dual stick controllers.











- iO features clever level design that challenges players to think critically and utilize the game's unique mechanics of growing and shrinking to navigate obstacles.
- The game is addictive and offers a satisfying experience, with a relaxing atmosphere complemented by a good soundtrack, making it enjoyable for both casual and dedicated players.
- With over 150 levels and a variety of challenges, iO provides ample content and replayability, appealing to both puzzle enthusiasts and those looking for a fun, quick gaming session.
- The controls can be finicky, making it difficult to execute precise movements, which can lead to frustration during challenging levels.
- Some players have reported issues with the game's optimization and performance, particularly on certain systems, which can detract from the overall experience.
- The game lacks additional content or features, such as a level editor or multiplayer options, which could enhance replayability and community engagement.
- gameplay63 mentions Positive Neutral Negative
The gameplay of Io is characterized by its unique mechanic of resizing the wheel, which influences speed and momentum, providing a fresh take on puzzle platforming. While the controls are generally intuitive and the level design is engaging, some players noted inconsistencies in the mechanics and a desire for more variety in gameplay elements. Overall, the game offers a solid experience with a good balance of challenge and creativity across its 225 levels.
“Even with the simple mechanics, there are a lot of tricks available to take advantage of and beat the level.”
“The gameplay is intuitive to learn, and most of the mechanics are very intuitive, though some will require some practice to get used to. You will also spend time trying to beat puzzles through trial and error.”
“The game's unique mechanic is the ability to change the size of your wheel, which affects speed, size, and weight.”
“However, I can't help but feel that even though the game is aiming for a more minimalist approach in graphics and gameplay, it just never felt like enough.”
“Sometimes the mechanics didn't seem to work, like you are supposed to grow when going down and shrink when going up, but shrinking actually slowed me down sometimes and growing slowed me down sometimes, so more consistency could have been nice.”
“Core gameplay is a bit lacking.”
iO
iO is a solid physics puzzler with simple controls, minimalistic visuals, and challenging gameplay that comes together as an overall decent experience. The tough difficulty spike and puzzles reliant on trial and error and good luck prevent this from being an excellent title, but if you are looking for a game to roll you over to the next big release then this is certainly worth a punt.
60%iO
Just keep rolling. And rolling. And rolling.
70%iO
iO is a physics-based platformer in the same vein as Trials. There may be no motorcycles, but you'll still be tackling over 200 levels with a variety of physics challenges. The game's unique mechanic is the ability to change the size of your wheel, which affects speed, size and weight. The developer designed the levels to teach the player how the physics work as you play and never once do you feel ill-equipped to handle the challenge ahead. What's there in the game is quite good, the issue is that there isn't very much of it. Once you've had your fill of the challenges in the main game, there's nothing else to do except speed run those same levels again. That on top of a complete and utter lack of production value of any kind leaves the game feeling more like a prototype of a cool idea than a full game. If you're craving a decent platformer then this might be a good option, but there's plenty of similar games that offer more.
50%
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Frequently Asked Questions
iO is a platformer game.
iO is available on Xbox Series X|S, PC, PlayStation 5, Mac OS and others.
iO was released on December 5, 2014.
iO was developed by Gamious.
iO has received mostly positive reviews from players and mostly positive reviews from critics. Most players liked this game for its gameplay but disliked it for its story.
iO is a single player game.
Similar games include Polyball, The Bridge, Almost There: The Platformer, Cyber Hook, Defy Gravity Extended and others.





