How many people are playing Upside Down right now?

Upside Down has 0 players on Steam right now, with a 24-hour peak of 8 and an all-time peak of 8 on 6 Sep 2026.

What is the all-time peak player count of Upside Down?

8 concurrent players on 6 Sep 2026.

Upside Down was released on Steam on 14 Feb 2017.

24,818,304 on Steam▼ 4,549,831 6,220,819 in-gameTop now Counter-Strike 2 524,042PICS #38,658,555551 builds todaySale Steam PvE Survival Crafting Festends 7 Sep Sampled 7 Sep 2026, 06:26 UTC

Upside Down Depots · SteamPeaks

4 depots · 2.28 GB on disk

Sizes from the public manifests

Depot ID	Name	OS	Language	Size	Download
586961	—	windows	—	577 MB	142 MB
586962	—	linux	english	587 MB	144 MB
586963	—	linux	english	586 MB	144 MB
586964	—	macos	english	589 MB	144 MB

updated this weeklargest depotshared from another app