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Mycelium: The Silent Contract

Wishlist Follow Ignore Launch Unwatch Watch
App ID 3583970
App Type Game
Developer
Publisher Proteus Interactive
Franchise Proteus Interactive
Supported Systems Windows
Technologies Unreal Engine, EpicOnlineServices SDK
Last Changenumber 39397101
Last Record Update 1 October 2026 – 19:11:24 UTC ()
Release Date 27 April 2026 – 15:00:43 UTC ()
❓ 87.27%
146 reviews
1
In-Game
+6
👥 Online Co-Op 🙌 First-Person 🔀 Procedural Generation 🗺 Exploration 😱 Horror

Mycelium: The Silent Contract is a co-op/single player extraction horror set in a haunted liminal forest. Your contract is simple: get mycelium and extract. But in this forest, nothing is what it seems. So what did you sign, exactly?

Additional Information

Developer Po Kolu
controller_support full
community_visible_stats Yes
ReleaseState released
Publisher Proteus Interactive
Store Release Date 27 April 2026 – 15:00:46 UTC ()
osarch empty string
community_hub_visible Yes
Social Media https://discord.gg/GTYUGCyw2h
https://x.com/PoKoluStudio
https://www.youtube.com/@PoKoluStudio
Primary Genre Adventure (25)
Store Genres Action (1), Adventure (25), Indie (23), Early Access (70)
Steam Release Date 27 April 2026 – 15:00:43 UTC ()
Store Asset Modification Time 18 August 2026 – 13:49:41 UTC () (1787060981)
library_assets
library_capsuleen
library_heroen
library_hero_bluren
library_logoen
library_headeren
logo_position ↴
pinned_positionBottomLeft
width_pct71.30104223667836
height_pct83.83136758225811
osextended empty string
review_score 8
review_percentage 98
Detected Technologies Unreal Engine, AMD_FidelityFX_SDK SDK, EpicOnlineServices SDK, Intel_OID SDK, Intel_oneTBB SDK, NVIDIA_DLSS SDK, NVIDIA_DLSS_FrameGen SDK, NVIDIA_Nsight_Aftermath SDK, NVIDIA_Reflex SDK, NVIDIA_Streamline SDK, Ogg SDK, Vorbis SDK, XAudio2 SDK
Steam Deck Compatibility
  • Steam Deck:
  • Some functionality is not accessible when using the default controller configuration, requiring use of the touchscreen or virtual keyboard, or a community configuration
  • This game sometimes shows mouse, keyboard, or non-Steam-Deck controller icons
  • Entering some text requires manually invoking the on-screen keyboard
  • Some in-game text is small and may be difficult to read
  • This game's default graphics configuration performs well on Steam Deck
  •  
  • SteamOS:
  • This game runs successfully on SteamOS
  • Note: Some functionality is not accessible when using the default controller configuration, requiring use of the touchscreen or virtual keyboard, or a community configuration
  • Note: Entering some text requires manually invoking the on-screen keyboard
  •  
  • category: Playable
  • steamos_compatibility: Compatible
  • steam_machine_compatibility: 2
  • test_timestamp: 15 May 2026 – 00:00:00 UTC
  • tested_build_id: 23126592
  • steam_machine_tests:
    0 ↴
    display3
    token#SteamMachine_TestResult_DefaultControllerConfigNotFullyFunctional
    1 ↴
    display3
    token#SteamMachine_TestResult_ControllerGlyphsDoNotMatchDevice
    2 ↴
    display3
    token#SteamMachine_TestResult_TextInputDoesNotAutomaticallyInvokesKeyboard
    3 ↴
    display4
    token#SteamMachine_TestResult_DefaultConfigurationIsPerformant
  • configuration:
    supported_inputgamepad
    requires_manual_keyboard_invoke1
    requires_non_controller_launcher_nav0
    primary_player_is_controller_slot_00
    non_deck_display_glyphs1
    small_text1
    requires_internet_for_setup0
    requires_internet_for_singleplayer0
    recommended_runtimeproton-11.0-beta
    requires_h2640
    requires_voice_files0
    gamescope_frame_limiter_not_supported0
    hdr_support0
    requires_proton_soundfonts0
Content Descriptors General Mature Content (5)
controllertagwizard Yes
Early Access Release Date 27 April 2026 – 00:00:00 UTC ()
First seen on SteamDB 8 March 2025 – 10:47:47 UTC (), in changelist #27850020
Content Descriptors (Including DLC) General Mature Content (5)

Supported Languages

6 Languages Interface Full Audio Subtitles Achievements
English Yes Yes Yes Yes
Ukrainian Yes Yes Yes
French Yes Yes
German Yes Yes
Spanish - Spain Yes Yes
Italian Yes Yes

Tags

👥 Online Co-Op 🙌 First-Person 🔀 Procedural Generation 🗺 Exploration 😱 Horror 🌲 PvE 🎒 Survival Horror 🤝 Co-op 🌄 Action-Adventure 👤 Singleplayer 🕹️ Multiplayer 😨 Dark 🗺️ Adventure 📷 Realistic 🌫 Atmospheric 🤫 Mystery 📦 Loot 🚀 Sci-fi 🥷 Stealth 🌍 Open World

Categories

Single-player Online Co-op Steam Achievements Steam Cloud Family Sharing Early Access Multi-player Co-op

Hardware Categories

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

Accessibility Categories

Custom Volume Controls Stereo Sound Playable without Timed Input

Assets

Load all asset images
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header_image
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library_assets_full
library_capsule ↴
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library_hero ↴
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library_hero_blur ↴
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library_logo ↴
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logo_position/pinned_positionBottomLeft
logo_position/width_pct71.30104223667836
logo_position/height_pct83.83136758225811
library_header ↴
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Assets
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library_hero555b29cb060e089bd37d6550815c915b5a51c2a8/library_hero.jpg
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community_icon82e304f59c5c221d0d8463390dfb7325b285671b.jpg
page_background_pathapp/3583970
raw_page_backgroundb1ed414c8b61914ea769d7d6f7aece2a0300758a/page_bg_raw.jpg
last_modified2 September 2026 – 22:01:19 UTC
timestamp2 September 2026 – 22:01:19 UTC

Trailer 1004696 ↴

trailer_name Gameplay Trailer
trailer_category 3
microtrailer ↴
video/webm 3583970/980735139/48868d8102491700cf984630cb178c10a8ac3fae/1777393014/microtrailer.webm
video/mp4 3583970/980735139/48868d8102491700cf984630cb178c10a8ac3fae/1777393014/microtrailer.mp4
adaptive_trailers ↴
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dash_h264 3583970/980735139/48868d8102491700cf984630cb178c10a8ac3fae/1777393014/dash_h264.mpd
hls_h264 3583970/980735139/48868d8102491700cf984630cb178c10a8ac3fae/1777393014/hls_264_master.m3u8
screenshot_medium 257216946/74a454168623b40f5eebc0e54e7376f2f5edafea/movie_600x337.jpg
screenshot_full 257216946/74a454168623b40f5eebc0e54e7376f2f5edafea/movie_full.jpg
all_ages true
is_highlight true
timestamp 28 April 2026 – 16:31:29 UTC

Bundles

ID Name Set % Price Created
73742 Co-op Horror: Mycelium x Dreadway No -10% $11.28 at -26% 27 April 2026 – 15:09:06 UTC
74029 Expendable Operatives No -10% $11.61 at -41% 27 April 2026 – 15:09:06 UTC
74101 Lore and Liminal Spaces No -10% $23.83 at -24% 27 April 2026 – 15:09:06 UTC
76549 Mycelium x MAZEBOUND No -10% $13.93 at -23% 19 May 2026 – 13:29:04 UTC
78328 Mycelium x Panic Delivery No -10% $12.22 at -24% 15 June 2026 – 11:29:04 UTC
78473 Mycelium x SWAT No -10% $19.24 at -29% 12 June 2026 – 17:39:34 UTC
86156 Mycelium x Asian Parents No -10% $10.33 at -23% 28 August 2026 – 11:19:04 UTC

Store Packages

SubID Name Price Last Update
1264326 Mycelium: The Silent Contract (Not in RU) $7.99 at -20% 1 October 2026 – 17:24:50 UTC

Packages

SubID Name Billing Type Last Update
1264325 Mycelium: The Silent Contract for Beta Testing CD Key 8 March 2025 – 10:47:47 UTC
1435012 Steam Sub 1435012 No Cost 7 October 2025 – 12:52:43 UTC

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