Demo Free to play App 4806740 Game: D-Extinction

D-Extinction Demo

Event Horizon Labs · released Jun 11, 2026

D-Extinction is a first-person investigative horror game. A secret experiment went too far. Now the pre-historic predators are loose. Explore, investigate, and survive in a immersive horror experience where one mistake can kill.

StoreSteam store

Data updated 4h ago

Price

Free

US store

Reviews

56%

60 · Mixed

Playing now

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not sampled yet

24h peak

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all-time seen —

Followers

—

Steam community hub

Owners (est.)

—

from review count

Revenue (est.)

—

gross, lifetime · how

Product info

from Steam's PICS · read 1d ago

Change number: 40,883,510 · seen 1d ago
Public build: 26,624,200 · Nov 12, 2026 (1d ago)
Operating systems: windows
Architecture: 64-bit
Install size: 305 MB · 155 MB download
Install folder: D-Extinction Demo
Controller support: Partial
Metacritic: —
Homepage: —
Release state: released
Community: —

Steam Deck

Unknown

No Deck test results published.

Branches · 1

every build Steam serves for this app

Branch	Build	Updated	Description
public	26,624,200	Nov 12, 2026 · 1d ago

Build history

every build id we have seen on a branch (history starts with our first read)

Build	Branch	Released	First seen
26,624,200	public	Nov 12, 2026 17:56	1d ago
26,622,445	public	Nov 12, 2026 16:40	1d ago
26,381,548	public	Nov 2, 2026 14:23	4d ago

Depots · 3

content of the public branch

Depot	OS	DLC / shared	Size	Download	Manifest
4806741	all		305 MB	155 MB	6306131405217586929
228989	windows	shared from #228980	—	—
228990	windows	shared from #228980	—	—

Launch options · 1

Executable	OS	Description
`FirstPersonMovementTempl.exe`	all

Languages · 1

Language	Interface	Full audio	Subtitles
English	✓	✓	✓

Packages · 0

all packages

No packages recorded yet.

Bundles · 0

all bundles

Not part of any bundle we know.

Change numbers

all changes

#40,883,510 · 1d ago#40,880,772 · 1d ago#40,845,567 · 2d ago

Updates · patch notes

Steam announcements tagged as patch notes, linked to the public build they followed

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No patch notes seen yet for this game.