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 7 Sep 2026.

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

0 concurrent players on 7 Sep 2026.

iO was released on Steam on 5 Dec 2014.

24,796,361 on Steam▼ 4,472,479 6,258,734 in-gameTop now Cataclismo Demo 1PICS #38,658,301524 builds todaySale Steam PvE Survival Crafting Festends 7 Sep Sampled 7 Sep 2026, 06:12 UTC

iO Update History · SteamPeaks

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

2 events

5 Sep 20261 event

07:02:1347 hours agoChangelist38,121,635 · 5 depots · store metadata · assets · launch options · cloud saves · localization+154

Change	Key	Before	After
Branches · 3
added	Build ID on publicdepots.branches.public.buildid	—	3195361
added	Build time on publicdepots.branches.public.timebuildupdated	—	9 Oct 2018, 10:12:14 UTC1539079934
added	Updated time on publicdepots.branches.public.timeupdated	—	17 Oct 2018, 12:46:49 UTC1539780409
Depots · 19
Depot 324071
added	Download size on publicdepots.324071.manifests.public.download	—	0 B0
added	Manifest on public

17 Oct 20181 event

12:46:498 years agoBuild3195361 · public branch · 5 depots changed

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

Showing 1–2 of 2 events