How many people are playing Cepheus Protocol right now?

Cepheus Protocol has 73 players on Steam right now, with a 24-hour peak of 112 and an all-time peak of 378 on Oct 2021.

What is the all-time peak player count of Cepheus Protocol?

378 concurrent players on Oct 2021.

Cepheus Protocol was released on Steam on 15 May 2020.

Cepheus Protocol Update History · SteamPeaks

6 Sep 20262 events

15:22:2134 hours agoChangelist38,646,181 · 1 other branch · 1 depot · +1.2 MB on disk~6

Change	Key	Before	After
Branches · 3
changed	Build ID on experimentaldepots.branches.experimental.buildid	25127441	25145247
changed	Build time on experimentaldepots.branches.experimental.timebuildupdated	4 Sep 2026, 15:40:40 UTC1788536440	5 Sep 2026, 20:37:56 UTC1788640676
changed	Updated time on experimentaldepots.branches.experimental.timeupdated	4 Sep 2026, 16:25:41 UTC1788539141	6 Sep 2026, 15:22:17 UTC1788708137
Depots · 3
Depot 979641
changed	Download size on experimentaldepots.979641.manifests.experimental.download	10.33 GB11090567632	10.33 GB11091028144+450 KB
changed	Manifest on experimentaldepots.979641.manifests.experimental.gid	4680044417656771607	3697447492147148318
changed	Size on disk on experimentaldepots.979641.manifests.experimental.size	11.24 GB12064308639	11.24 GB12065612719+1.2 MB

15:22:1734 hours agoBuild25145247 · experimental branch · 1 depot changed

Change	Depot	Before	After
manifest	Depot 979641	4680044417656771607	3697447492147148318

5 Sep 20261 event

20:12:482 days agoBuild25144781 · bork branch · 8 depots changed

Change	Depot	Before	After
manifest	Depot 979641	—	5639246734349716837
manifest	Depot 1387390	—	1286529532299846223
manifest	Depot 1997150	—	2646314920170677226
manifest	Depot 2496520	—	3007699981174887082
manifest	Depot 2514440	—	5343426092076636058
manifest	Depot 2496510	—	8725575257045246761
manifest	Depot 2496500	—	7113364543456853873
manifest	Depot 2540710	—	7374174257502697085

4 Sep 20262 events

16:25:453 days agoChangelist38,609,351 · 1 other branch · 1 depot · +84 KB on disk~6

Change	Key	Before	After
Branches · 3
changed	Build ID on experimentaldepots.branches.experimental.buildid	25100274	25127441
changed	Build time on experimentaldepots.branches.experimental.timebuildupdated	3 Sep 2026, 11:12:41 UTC1788433961	4 Sep 2026, 15:40:40 UTC1788536440
changed	Updated time on experimentaldepots.branches.experimental.timeupdated	3 Sep 2026, 11:39:51 UTC1788435591	4 Sep 2026, 16:25:41 UTC1788539141
Depots · 3
Depot 979641
changed	Download size on experimentaldepots.979641.manifests.experimental.download	10.33 GB11090343200	10.33 GB11090567632+219 KB
changed	Manifest on experimentaldepots.979641.manifests.experimental.gid	545585784783107183	4680044417656771607
changed	Size on disk on experimentaldepots.979641.manifests.experimental.size	11.24 GB12064223023	11.24 GB12064308639+84 KB

16:25:413 days agoBuild25127441 · experimental branch · 1 depot changed

Change	Depot	Before	After
manifest	Depot 979641	545585784783107183	4680044417656771607

3 Sep 20262 events

11:39:555 days agoChangelist38,569,757 · 1 other branch · 1 depot · +1.3 MB on disk~6

Change	Key	Before	After
Branches · 3
changed	Build ID on experimentaldepots.branches.experimental.buildid	25055878	25100274
changed	Build time on experimentaldepots.branches.experimental.timebuildupdated	1 Sep 2026, 10:40:05 UTC1788259205	3 Sep 2026, 11:12:41 UTC1788433961
changed	Updated time on experimentaldepots.branches.experimental.timeupdated	1 Sep 2026, 10:40:27 UTC1788259227	3 Sep 2026, 11:39:51 UTC1788435591
Depots · 3
Depot 979641
changed	Download size on experimentaldepots.979641.manifests.experimental.download	10.33 GB11089125440	10.33 GB11090343200+1.2 MB
changed	Manifest on experimentaldepots.979641.manifests.experimental.gid	1663367467701435816	545585784783107183
changed	Size on disk on experimentaldepots.979641.manifests.experimental.size	11.23 GB12062883354	11.24 GB12064223023+1.3 MB

11:39:515 days agoBuild25100274 · experimental branch

Per-depot manifest changes and download sizes arrive with the depot worker (bot accounts).