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The Mildew Children

Wishlist Follow Ignore Install Unwatch Watch
App ID 2420350
App Type Game
Developer
Publisher Valkyrie Initiative
Franchise The Mildew Children
Supported Systems Windows macOS Linux
Technologies Unity Engine
Last Changenumber 29763632
Last Record Update 26 June 2025 – 13:02:42 UTC ()
Release Date 17 April 2024 – 16:59:59 UTC ()
❓ 86.42%
325 reviews
1
In-Game

Featuring a blend of 2D adventure and visual novel, The Mildew Children is a grim tale about a village inhabited only by children who follow savage pagan traditions. A young witch named Kyrphel, along with her sisters, are bound to perform a macabre Ritual in order to save their village.

Additional Information

Developer The Growing Stones
controller_support full
community_visible_stats Yes
DLCAvailableOnStore Yes
ReleaseState released
Publisher Valkyrie Initiative
Store Release Date 17 April 2024 – 17:00:16 UTC ()
osarch 64
community_hub_visible Yes
Social Media https://discord.gg/XGxBPUY4ky
https://www.youtube.com/@mildew_children/
Primary Genre Adventure (25)
Store Genres Adventure (25)
Steam Release Date 17 April 2024 – 16:59:59 UTC ()
Store Asset Modification Time 26 June 2025 – 13:02:23 UTC () (1750942943)
library_assets
library_capsuleru,en
library_heroen,ru
library_logoru,en
library_headeren,ru
logo_position ↴
pinned_positionBottomLeft
width_pct50
height_pct50
osextended macos64,macosapplesilicon,macosnotarized
name_localized
russianДети Плесени
review_score 8
review_percentage 94
Detected Technologies (?) Unity Engine, SteamworksNET SDK, UnityBurst SDK, UnityURP SDK, cURL SDK
Steam Deck Compatibility
  • Steam Deck:
  • All functionality is accessible when using the default controller configuration
  • This game shows Steam Deck controller icons
  • In-game interface text is legible on Steam Deck
  • This game's default graphics configuration performs well on Steam Deck
  •  
  • SteamOS:
  • This game runs successfully on SteamOS
  •  
  • category: Verified
  • steamos_compatibility: Compatible
  • test_timestamp: 8 June 2024 – 00:00:00 UTC
  • tested_build_id: 14552153
  • configuration:
    supported_inputgamepad
    requires_manual_keyboard_invoke0
    requires_non_controller_launcher_nav0
    primary_player_is_controller_slot_00
    non_deck_display_glyphs0
    small_text0
    requires_internet_for_setup0
    requires_internet_for_singleplayer0
    recommended_runtimenative
    requires_h2640
    requires_voice_files0
    gamescope_frame_limiter_not_supported0
    hdr_support0
Content Descriptors General Mature Content (5)
controllertagwizard Yes
First seen on SteamDB 3 May 2023 – 15:53:08 UTC (), in changelist #18663468
Content Descriptors (Including DLC) General Mature Content (5)

Supported Languages

9 Languages Interface Full Audio Subtitles Achievements
English Yes Yes Yes
Russian Yes Yes Yes Yes
French Yes Yes
German Yes Yes
Spanish - Spain Yes Yes
Polish Yes Yes
Portuguese - Brazil Yes Yes
Simplified Chinese Yes Yes
Turkish Yes Yes

Tags

🗺️ Adventure 📚 Story Rich 🗺 Exploration 🕵️ Detective 🫠 Surreal 📚 Visual Novel 🎨 Colorful 👩 Female Protagonist 🏽 2D 🧞 Choices Matter 🕴 Psychological Horror 🌫 Atmospheric 🤫 Mystery 📺 Side Scroller 🪄 Magic 🔎 Point & Click 🙏 Faith 💔 Emotional 😱 Horror 😨 Dark

Categories

Single-player Steam Achievements Steam Trading Cards Steam Cloud Family Sharing Cloud Gaming Cloud Gaming (NVIDIA)

Hardware Categories

Full Controller Support DualShock Controllers (USB Only) DualShock Controllers DualSense Controllers (USB Only) DualSense Controllers

Assets

Load all asset images
clienticon bf38cdabe8b0359d9fbcd71f3e56e724a36252e0
clienttga 615c2821dc82da1528d51120f328a69397098316
icon 8591ec72b3a643ff202f3c6cfeaca3b279a2ea14
small_capsule
russiane3c3e628497502c4dbbf4b95666028930e3fb3a2/capsule_231x87_russian.jpg
englishaacf1bd21255a7d71636b10b7edf136de3f7b152/capsule_231x87.jpg
header_image
englishheader.jpg
russianheader_russian.jpg
library_assets_full
library_capsule ↴
image/russianlibrary_600x900_russian.jpg
image/englishlibrary_600x900.jpg
image2x/russianlibrary_600x900_russian_2x.jpg
image2x/englishlibrary_600x900_2x.jpg
library_hero ↴
image/englishlibrary_hero.jpg
image/russianlibrary_hero_russian.jpg
image2x/englishlibrary_hero_2x.jpg
image2x/russianlibrary_hero_russian_2x.jpg
library_logo ↴
image/russianlogo_russian.png
image/englishlogo.png
image2x/russianlogo_russian_2x.png
image2x/englishlogo_2x.png
logo_position/pinned_positionBottomLeft
logo_position/width_pct50
logo_position/height_pct50
library_header ↴
image/english3450b73f76ae0d9131072cb92c2795fe015062ca/library_header.jpg
image/russianfbb78d21461b1ba5022b4268c8215e2fa5991e09/library_header_russian.jpg
image2x/english3450b73f76ae0d9131072cb92c2795fe015062ca/library_header_2x.jpg
image2x/russianfbb78d21461b1ba5022b4268c8215e2fa5991e09/library_header_russian_2x.jpg
Assets
main_capsuledb5d519ab303da5b5e7d4e2f38921808e2493bae/capsule_616x353.jpg
small_capsuleaacf1bd21255a7d71636b10b7edf136de3f7b152/capsule_231x87.jpg
headerheader.jpg
page_backgroundpage_bg_generated_v6b.jpg
hero_capsuleff9a77cbf8a1b84bf0d4d640aeacad7b4fde75c5/hero_capsule.jpg
hero_capsule_2xff9a77cbf8a1b84bf0d4d640aeacad7b4fde75c5/hero_capsule_2x.jpg
library_capsulelibrary_600x900.jpg
library_capsule_2xlibrary_600x900_2x.jpg
library_herolibrary_hero.jpg
library_hero_2xlibrary_hero_2x.jpg
community_icon8591ec72b3a643ff202f3c6cfeaca3b279a2ea14.jpg
page_background_pathapp/2420350
raw_page_backgroundpage_bg_raw.jpg
timestamp26 June 2025 – 13:02:36 UTC
Trailers
257093197 ↴
trailer_nameRussian Voiceover update
trailer_category3
trailer_480p/video/webm257093197/movie480_vp9.webm
trailer_480p/video/mp4257093197/movie480.mp4
trailer_max/video/webm257093197/movie_max_vp9.webm
trailer_max/video/mp4257093197/movie_max.mp4
microtrailer/video/webm2420350/820249/6350352f59239e53f034f3f107afc0762193f43b/1750917098/microtrailer.webm
microtrailer/video/mp42420350/820249/6350352f59239e53f034f3f107afc0762193f43b/1750917098/microtrailer.mp4
screenshot_medium257093197/23d5be1e66b6010e50a093369d14b29e358e05ed/movie_600x337.jpg
screenshot_full257093197/23d5be1e66b6010e50a093369d14b29e358e05ed/movie_full.jpg
trailer_base_id820249
all_agestrue
is_highlighttrue
timestamp1738176399
257016730 ↴
trailer_nameLaunch Trailer
trailer_category3
trailer_480p/video/webm257016730/movie480_vp9.webm
trailer_480p/video/mp4257016730/movie480.mp4
trailer_max/video/webm257016730/movie_max_vp9.webm
trailer_max/video/mp4257016730/movie_max.mp4
microtrailer/video/webm2420350/688806/7b55c608ff18842942d5acca0915e50fc2460585/1750917098/microtrailer.webm
microtrailer/video/mp42420350/688806/7b55c608ff18842942d5acca0915e50fc2460585/1750917098/microtrailer.mp4
screenshot_medium257016730/movie.293x165.jpg
screenshot_full257016730/movie_full.jpg
trailer_base_id688806
all_agestrue
is_highlighttrue
timestamp1713373205
256948339 ↴
trailer_nameTrailer
trailer_category3
trailer_480p/video/webm256948339/movie480_vp9.webm
trailer_480p/video/mp4256948339/movie480.mp4
trailer_max/video/webm256948339/movie_max_vp9.webm
trailer_max/video/mp4256948339/movie_max.mp4
microtrailer/video/webm2420350/570426/0b05f8484a7f6d132acb58ba3a5b6410ef200a2e/1750917097/microtrailer.webm
microtrailer/video/mp42420350/570426/0b05f8484a7f6d132acb58ba3a5b6410ef200a2e/1750917097/microtrailer.mp4
screenshot_medium256948339/movie.293x165.jpg
screenshot_full256948339/movie_full.jpg
trailer_base_id570426
all_agestrue
timestamp1685548547

Depots

ID Configuration Size DL.
228989 Windows Shared InstallDepot from 228980VC 2022 Redist No size
2420351 Windows 2.12 GiB 1012.50 MiB
2420352 macOS 2.14 GiB 1020.86 MiB
2420353 Linux 2.11 GiB 1009.80 MiB

Inner depots from DLC

ID Configuration Size DL.
3501930 DLC 3501930The Mildew Children - Artbook 241.69 MiB 243.14 MiB

Total size on disk is 6.61 GiB and total download size is 3.21 GiB.

Total size on disk is 2.12 GiB and total download size is 1012.50 MiB, when filtered to Windows, English, no DLC depots.

Branches

Name Description Build ID Time Updated
public 18975812 26 June 2025 – 13:00:06 UTC
pre_vo Before voice-over build (very very old) 14552153 9 March 2025 – 10:10:51 UTC
pre_locs Before localizations build (old) 17651597 26 June 2025 – 12:57:24 UTC

Other

Name Value
baselanguages
hasdepotsindlc 1
privatebranches 1
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