Underplayed Gems

iO (2014)

iO cover
Developer
Gamious
Platforms
Windows, macOS, Linux
Genres
Action, Indie, Racing
Rating
4.0 of 5, 235 player ratings
Typical playtime
about 2.3 hours
Where to get it
Steam

How it feels

You control a ball you can shrink and grow to shift its speed and weight, carefully solving physics puzzles while racing against the clock for medals.

physics-basedpuzzleprecisefast-pacedweightedmomentum-drivenmedal-chasingtricky

What players say

Players enjoy the simple but tricky ball-size mechanic, finding the levels clever and the physics satisfying. Opinions are mixed on how engaging it is long-term, with some calling it a good background game and others finding too many levels boring.

Trailer

Screenshots

iO screenshot 1iO screenshot 2iO screenshot 3iO screenshot 4iO screenshot 5

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This page is from Underplayed Gems, a catalog of older and overlooked games. Not quite it? Tell the Catbot what you feel like playing and it picks from the whole catalog, or browse by platform and genre.