How many people are playing iO right now?

iO has 0 players on Steam right now, with a 24-hour peak of 0 and an all-time peak of 0 on 9 Sep 2026.

What is the all-time peak player count of iO?

0 concurrent players on 9 Sep 2026.

iO was released on Steam on 5 Dec 2014.

Every change SteamPeaks has recorded · decoded, with the original values

2 events

Change	Depot	Before	After
manifest	Depot 324071	—	2383158356257213955
manifest	Depot 324072	—	8420658176558794286
manifest	Depot 324073	—	3935228461566093153
manifest	Depot 324074	—	223148535632543481
manifest	Depot 353200	—	366843988298280109