How many people are playing Hostile Mars Playtest right now?

Hostile Mars Playtest has 6 players on Steam right now, with a 24-hour peak of 16 and an all-time peak of 28 on 6 Sep 2026.

What is the all-time peak player count of Hostile Mars Playtest?

28 concurrent players on 6 Sep 2026.

When was Hostile Mars Playtest released on Steam?

Hostile Mars Playtest was released on Steam on 30 Aug 2026.

Status

SteamPeaks

Hostile Mars Playtest

BetaApp ID 2,581,920Released 30 Aug 2026

WindowsEngine —

View on SteamSteamCompare

App ID2,581,920

Release date30 Aug 2026

Engine—

Install size15.3 GB

TypeBeta

Last update7 Sep 2026

Steam DeckUnknown

DLC0

Developer—

Changenumber38,677,171

Price—

Packages0

Publisher—

SystemsWindows

Followers—

Depots1

Compare this game

Hostile Mars Playtest

Released 30 Aug 2026·App 2581920

Steam user reviews

Not enough reviews yet

0 so far · summary at 10

SteamPeaks Rating

Not enough reviews yet

Rated from 10 reviews

How it works

Playing now

−7 vs. yesterday

21%of peak

All-time peak

6 Sep 2026

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

Update history

20 events

All20 Changelists10 Builds10 Store0

AreaAll Branches Depots Store Assets

Hostile Mars Playtest Update History · SteamPeaks

7 Sep 20266 events

20:34:3945 hours agoChangelist38,677,171 · public build 25170838 → 25174414 · 1 depot · +141 B on disk~6

Change	Key	Before	After
Branches · 3
changed	Build ID on publicdepots.branches.public.buildid	25170838	25174414
changed	Build time on publicdepots.branches.public.timebuildupdated	7 Sep 2026, 16:14:41 UTC1788797681	7 Sep 2026, 20:28:12 UTC1788812892
changed	Updated time on publicdepots.branches.public.timeupdated	7 Sep 2026, 16:18:02 UTC1788797882	7 Sep 2026, 20:34:33 UTC1788813273
Depots · 3
Depot 2581921
changed	Download size on publicdepots.2581921.manifests.public.download	10.29 GB11053881696	10.29 GB11053884816+3 KB
changed	Manifest on publicdepots.2581921.manifests.public.gid	1313347363317361891	2481480516382021215
changed	Size on disk on publicdepots.2581921.manifests.public.size	15.31 GB16439024136	15.31 GB16439024277+141 B

6 of 6 keys shown · changelist 38,677,171

20:34:3345 hours agoBuild25174414 · public branch · 1 depot changed

Change	Depot	Before	After
manifest	Depot 2581921	1313347363317361891	2481480516382021215

16:18:072 days agoChangelist38,672,011 · public build 25168729 → 25170838 · 1 depot · +6 KB on disk~6

Change	Key	Before	After
Branches · 3
changed	Build ID on publicdepots.branches.public.buildid	25168729	25170838
changed	Build time on publicdepots.branches.public.timebuildupdated	7 Sep 2026, 14:08:21 UTC1788790101	7 Sep 2026, 16:14:41 UTC1788797681
changed	Updated time on publicdepots.branches.public.timeupdated	7 Sep 2026, 14:09:27 UTC1788790167	7 Sep 2026, 16:18:02 UTC1788797882
Depots · 3
Depot 2581921
changed	Download size on publicdepots.2581921.manifests.public.download	10.29 GB11053857072

16:18:022 days agoBuild25170838 · public branch · 1 depot changed

Change	Depot	Before	After
manifest	Depot 2581921	4651195844532102042	1313347363317361891

14:09:312 days agoChangelist38,668,871 · public build 25143429 → 25168729 · 1 depot · +177 KB on disk~6

Change	Key	Before	After
Branches · 3
changed	Build ID on publicdepots.branches.public.buildid	25143429	25168729
changed	Build time on publicdepots.branches.public.timebuildupdated	5 Sep 2026, 17:12:34 UTC1788628354	7 Sep 2026, 14:08:21 UTC1788790101
changed	Updated time on publicdepots.branches.public.timeupdated	5 Sep 2026, 17:16:08 UTC1788628568	7 Sep 2026, 14:09:27 UTC1788790167
Depots · 3
Depot 2581921
changed	Download size on publicdepots.2581921.manifests.public.download	10.29 GB11053741248

14:09:272 days agoBuild25168729 · public branch · 1 depot changed

Change	Depot	Before	After
manifest	Depot 2581921	6584693950312383600	4651195844532102042

5 Sep 20264 events

17:16:114 days agoChangelist38,631,445 · public build 25142628 → 25143429 · 1 depot · +36 B on disk~6

Change	Key	Before	After
Branches · 3
changed	Build ID on publicdepots.branches.public.buildid	25142628	25143429
changed	Build time on publicdepots.branches.public.timebuildupdated	5 Sep 2026, 15:51:24 UTC1788623484	5 Sep 2026, 17:12:34 UTC1788628354
changed	Updated time on publicdepots.branches.public.timeupdated	5 Sep 2026, 15:53:37 UTC1788623617	5 Sep 2026, 17:16:08 UTC1788628568
Depots · 3
Depot 2581921
changed	Download size on publicdepots.2581921.manifests.public.download	10.29 GB11053742624	10.29 GB11053741248−1 KB
changed	Manifest on publicdepots.2581921.manifests.public.gid	4410476303995369198	6584693950312383600
changed	Size on disk on publicdepots.2581921.manifests.public.size	15.31 GB16438836368	15.31 GB16438836404+36 B

6 of 6 keys shown · changelist 38,631,445

17:16:084 days agoBuild25143429 · public branch · 1 depot changed

Change	Depot	Before	After
manifest	Depot 2581921	4410476303995369198	6584693950312383600

15:53:424 days agoChangelist38,630,233 · public build 25132257 → 25142628 · 1 depot · +2.9 MB on disk~6

Change	Key	Before	After
Branches · 3
changed	Build ID on publicdepots.branches.public.buildid	25132257	25142628
changed	Build time on publicdepots.branches.public.timebuildupdated	4 Sep 2026, 20:56:45 UTC1788555405	5 Sep 2026, 15:51:24 UTC1788623484
changed	Updated time on publicdepots.branches.public.timeupdated	4 Sep 2026, 20:58:35 UTC1788555515	5 Sep 2026, 15:53:37 UTC1788623617
Depots · 3
Depot 2581921
changed	Download size on publicdepots.2581921.manifests.public.download	10.29 GB11052129536

15:53:374 days agoBuild25142628 · public branch · 1 depot changed

Change	Depot	Before	After
manifest	Depot 2581921	2557336605214359456	4410476303995369198

4 Sep 20264 events

20:58:425 days agoChangelist38,615,413 · public build 25129179 → 25132257 · 1 depot · +33 KB on disk~6

Change	Key	Before	After
Branches · 3
changed	Build ID on publicdepots.branches.public.buildid	25129179	25132257
changed	Build time on publicdepots.branches.public.timebuildupdated	4 Sep 2026, 17:20:03 UTC1788542403	4 Sep 2026, 20:56:45 UTC1788555405
changed	Updated time on publicdepots.branches.public.timeupdated	4 Sep 2026, 17:21:53 UTC1788542513	4 Sep 2026, 20:58:35 UTC1788555515
Depots · 3
Depot 2581921
changed	Download size on publicdepots.2581921.manifests.public.download	10.29 GB11052097776	10.29 GB11052129536+31 KB
changed	Manifest on publicdepots.2581921.manifests.public.gid	3413910043886881348	2557336605214359456
changed	Size on disk on publicdepots.2581921.manifests.public.size	15.31 GB16435756003	15.31 GB16435789612+33 KB

6 of 6 keys shown · changelist 38,615,413

20:58:355 days agoBuild25132257 · public branch · 1 depot changed

Change	Depot	Before	After
manifest	Depot 2581921	3413910043886881348	2557336605214359456

17:21:575 days agoChangelist38,610,869 · public build 25109991 → 25129179 · 1 depot · +114 KB on disk~6

Change	Key	Before	After
Branches · 3
changed	Build ID on publicdepots.branches.public.buildid	25109991	25129179
changed	Build time on publicdepots.branches.public.timebuildupdated	3 Sep 2026, 20:26:56 UTC1788467216	4 Sep 2026, 17:20:03 UTC1788542403
changed	Updated time on publicdepots.branches.public.timeupdated	3 Sep 2026, 20:28:31 UTC1788467311	4 Sep 2026, 17:21:53 UTC1788542513
Depots · 3
Depot 2581921
changed	Download size on publicdepots.2581921.manifests.public.download	10.29 GB11052108640

17:21:535 days agoBuild25129179 · public branch · 1 depot changed

Change	Depot	Before	After
manifest	Depot 2581921	3884955161116429881	3413910043886881348

3 Sep 20265 events

20:28:386 days agoChangelist38,583,501 · public build 25105366 → 25109991 · 1 depot · +8 KB on disk~6

Change	Key	Before	After
Branches · 3
changed	Build ID on publicdepots.branches.public.buildid	25105366	25109991
changed	Build time on publicdepots.branches.public.timebuildupdated	3 Sep 2026, 15:48:35 UTC1788450515	3 Sep 2026, 20:26:56 UTC1788467216
changed	Updated time on publicdepots.branches.public.timeupdated	3 Sep 2026, 15:49:20 UTC1788450560	3 Sep 2026, 20:28:31 UTC1788467311
Depots · 3
Depot 2581921
changed	Download size on publicdepots.2581921.manifests.public.download	10.29 GB11052110240	10.29 GB11052108640−2 KB
changed	Manifest on publicdepots.2581921.manifests.public.gid	3130012405841805819	3884955161116429881
changed	Size on disk on publicdepots.2581921.manifests.public.size	15.31 GB16435631656	15.31 GB16435639467+8 KB

6 of 6 keys shown · changelist 38,583,501

20:28:316 days agoBuild25109991 · public branch · 1 depot changed

Change	Depot	Before	After
manifest	Depot 2581921	3130012405841805819	3884955161116429881

15:49:246 days agoChangelist38,576,789 · public build 25102700 → 25105366 · 1 depot · +1 KB on disk~6

Change	Key	Before	After
Branches · 3
changed	Build ID on publicdepots.branches.public.buildid	25102700	25105366
changed	Build time on publicdepots.branches.public.timebuildupdated	3 Sep 2026, 13:28:01 UTC1788442081	3 Sep 2026, 15:48:35 UTC1788450515
changed	Updated time on publicdepots.branches.public.timeupdated	3 Sep 2026, 13:32:04 UTC1788442324	3 Sep 2026, 15:49:20 UTC1788450560
Depots · 3
Depot 2581921
changed	Download size on publicdepots.2581921.manifests.public.download	10.29 GB11052106240

15:49:206 days agoBuild25105366 · public branch

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

13:32:046 days agoBuild25102700 · public branch

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