KELDER

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App ID	2973450
App Type	Game
Developer	THOs Dev, Mad Muffin Studios
Publisher	THOs Dev
Supported Systems	Windows
Technologies	Unreal Engine
Last Changenumber	31754109
Last Record Update	19 October 2025 – 16:41:44 UTC ()
Release Date	15 August 2025 – 17:00:34 UTC ()

❓ 58.97%

12 reviews

In-Game

Trapped in a sinister post-Soviet basement, uncover the truth behind dark experiments and eerie anomalies. Solve puzzles, find keys, and survive against terrifying entities as you explore this atmospheric survival horror. Can you escape the depths of the KELDER?

Additional Information

Developer

THOs Dev

community_visible_stats

Yes

ReleaseState

released

Publisher

THOs Dev

Store Release Date

15 August 2025 – 17:00:37 UTC ()

osarch

community_hub_visible

Yes

Social Media

https://discord.gg/cQpSrPpfu7
https://x.com/thosdeveloper
https://www.youtube.com/channel/UCjRTt3fwQwSIb53GEKHactg

Primary Genre

Indie (23)

Store Genres

Adventure (25), Indie (23)

Steam Release Date

15 August 2025 – 17:00:34 UTC ()

Store Asset Modification Time

25 September 2025 – 03:27:39 UTC () (1758770859)

library_assets

library_capsule	en
library_hero	en
library_hero_blur	en
library_logo	en
library_header	en
logo_position ↴
pinned_position	CenterCenter
width_pct	86.0213108786291
height_pct	100

osextended

empty string

review_score

review_percentage

Detected Technologies (?)

Unreal Engine, CEF SDK, Intel_OID SDK, Intel_oneTBB SDK, NVIDIA_Nsight_Aftermath SDK, Ogg SDK, Vorbis SDK, XAudio2 SDK

Content Descriptors

Frequent Violence or Gore (2), General Mature Content (5)

controllertagwizard

Yes

First seen on SteamDB

1 May 2024 – 12:14:37 UTC (), in changelist #23373378

Content Descriptors (Including DLC)

Frequent Violence or Gore (2), General Mature Content (5)

Supported Languages

8 Languages	Interface	Full Audio	Subtitles	Achievements
English	Yes	Yes	Yes	Yes
French	Yes		Yes	Yes
German	Yes		Yes	Yes
Spanish - Spain	Yes		Yes	Yes
Dutch	Yes		Yes	Yes
Russian	Yes		Yes	Yes
Simplified Chinese	Yes		Yes	Yes
Spanish - Latin America				Yes

Assets

Load all asset images

clienticon

43cd6ea6c9d67e1d0a30b1ad72687cf37935783a

clienttga

9da8ac2adf57511dfdf8ec7514f865f4ff2a4a89

icon

8d4dc53e4251fb741399b329f85c94d32fc84756

clienticns

1b04517ec77561bd4b7160cb5ea00c781cfdb497

LinuxClientIcon

e7eecb0718d5563954007bd25ac8694749603638

small_capsule

english

21ad2bd67a983075b1780156dd8578fdeeb82230/capsule_231x87.jpg

header_image

english

c40482ef1f57f668decb58f33dc1e6bb17f494e2/header.jpg

library_assets_full

library_capsule ↴
image/english	305188d9ae848dc716ca6fd6213b18019728ecb8/library_capsule.jpg
image2x/english	305188d9ae848dc716ca6fd6213b18019728ecb8/library_capsule_2x.jpg
library_hero ↴
image2x/english	9c9c5763c9e1cd52a90cd6e424f1f15ec03f330b/library_hero_2x.jpg
image/english	9c9c5763c9e1cd52a90cd6e424f1f15ec03f330b/library_hero.jpg
library_hero_blur ↴
image/english	9c9c5763c9e1cd52a90cd6e424f1f15ec03f330b/library_hero_blur.jpg
library_logo ↴
image2x/english	2d64a9bd7c274e6aa0c66541f6228c47e94add79/logo_2x.png
image/english	2d64a9bd7c274e6aa0c66541f6228c47e94add79/logo.png
logo_position/pinned_position	CenterCenter
logo_position/width_pct	86.0213108786291
logo_position/height_pct	100
library_header ↴
image/english	c40482ef1f57f668decb58f33dc1e6bb17f494e2/library_header.jpg
image2x/english	c40482ef1f57f668decb58f33dc1e6bb17f494e2/library_header_2x.jpg

Assets

main_capsule	44037fe48a8f30aab9f083e313e7d52cd7326dbd/capsule_616x353.jpg
small_capsule	21ad2bd67a983075b1780156dd8578fdeeb82230/capsule_231x87.jpg
header	c40482ef1f57f668decb58f33dc1e6bb17f494e2/header.jpg
page_background	8c160a020f09ce0eaea9ae03a53d932970a1202f/page_bg_v6.jpg
hero_capsule	e1f9d45d8dd5b976f55a9b6a057317d99a8d6f7a/hero_capsule.jpg
hero_capsule_2x	e1f9d45d8dd5b976f55a9b6a057317d99a8d6f7a/hero_capsule_2x.jpg
library_capsule	305188d9ae848dc716ca6fd6213b18019728ecb8/library_capsule.jpg
library_capsule_2x	305188d9ae848dc716ca6fd6213b18019728ecb8/library_capsule_2x.jpg
library_hero	9c9c5763c9e1cd52a90cd6e424f1f15ec03f330b/library_hero.jpg
library_hero_2x	9c9c5763c9e1cd52a90cd6e424f1f15ec03f330b/library_hero_2x.jpg
community_icon	8d4dc53e4251fb741399b329f85c94d32fc84756.jpg
page_background_path	app/2973450
raw_page_background	8c160a020f09ce0eaea9ae03a53d932970a1202f/page_bg_raw.jpg
timestamp	26 September 2025 – 16:01:11 UTC

Trailer 707198 ↴

trailer_name	Short Trailer
trailer_category	1
trailer_480p ↴
video/webm	257027096/movie480_vp9.webm
video/mp4	257027096/movie480.mp4
trailer_max ↴
video/webm	257027096/movie_max_vp9.webm
video/mp4	257027096/movie_max.mp4
microtrailer ↴
video/webm	2973450/744004140/9d60a068059a42003dcd0221cd46f75e33cddf07/1758770116/microtrailer.webm
video/mp4	2973450/744004140/9d60a068059a42003dcd0221cd46f75e33cddf07/1758770116/microtrailer.mp4
adaptive_trailers ↴
dash_av1	2973450/744004140/9d60a068059a42003dcd0221cd46f75e33cddf07/1758770116/dash_av1.mpd
dash_h264	2973450/744004140/9d60a068059a42003dcd0221cd46f75e33cddf07/1758770116/dash_h264.mpd
hls_h264	2973450/744004140/9d60a068059a42003dcd0221cd46f75e33cddf07/1758770116/hls_264_master.m3u8
screenshot_medium	257027096/90c4e5d229143fad85f6c96e0d8e336dcbfe3a5b/movie_600x337.jpg
screenshot_full	257027096/90c4e5d229143fad85f6c96e0d8e336dcbfe3a5b/movie_full.jpg
all_ages	true
is_highlight	true
timestamp	26 September 2025 – 16:01:09 UTC

Trailer 708729 ↴

trailer_name	Main Trailer
trailer_category	3
trailer_480p ↴
video/webm	257027959/movie480_vp9.webm
video/mp4	257027959/movie480.mp4
trailer_max ↴
video/webm	257027959/movie_max_vp9.webm
video/mp4	257027959/movie_max.mp4
microtrailer ↴
video/webm	2973450/91482168/7abd097d053eed70e3df91cf99ee27b872c15446/1753528167/microtrailer.webm
video/mp4	2973450/91482168/7abd097d053eed70e3df91cf99ee27b872c15446/1753528167/microtrailer.mp4
adaptive_trailers ↴
dash_av1	2973450/91482168/7abd097d053eed70e3df91cf99ee27b872c15446/1753528167/dash_av1.mpd
dash_h264	2973450/91482168/7abd097d053eed70e3df91cf99ee27b872c15446/1753528167/dash_h264.mpd
hls_h264	2973450/91482168/7abd097d053eed70e3df91cf99ee27b872c15446/1753528167/hls_264_master.m3u8
screenshot_medium	257027959/3f302c36dcafb355d8da415125564aa64b5b28d0/movie_600x337.jpg
screenshot_full	257027959/3f302c36dcafb355d8da415125564aa64b5b28d0/movie_full.jpg
all_ages	true
is_highlight	true
timestamp	26 July 2025 – 11:51:10 UTC

History

Crunching history, just for you…

KELDER

Additional Information

Supported Languages

Tags

Categories

Assets

Trailer 707198 ↴

Trailer 708729 ↴

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History