Steam app 3583970 · updated 12 Sep 2026, 22:04 UTC
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?
218 hourly samples, with the daily peak drawn over them. Weekends are shaded.
6 months, April 2026 to September 2026. The highest number of people in the game at once, each month, on a time axis -- a gap in the record stays a gap.
The highest number of people in the game at once, each month. Four, because four is as far back as the source keeps anything finer than one figure a month.
29 days, each one the highest figure that day. The source keeps no hourly detail this far back. Weekends are shaded.
30 days as the curve, each the highest figure that day. Behind it, 137 hourly samples from 14 Aug, which is as far back as the source keeps every hour. Weekends are shaded.
12 days, each one the highest figure that day. The source keeps no hourly detail this far back. Weekends are shaded.
Mycelium: The Silent Contract was released on 27 Apr, 2026.
The game features notes and voice lines with adult language. Some events in the game as a result of procedural generation may be perceived as screamers and frighten players.
| Language | Full audio |
|---|---|
| English | ● |
| Ukrainian | |
| French | |
| German | |
| Spanish - Spain | |
| Italian |
A blank audio cell means full audio was not marked in the returned language list.
29 achievements in total.
34 developer announcements, May 2025 to Aug 2026 · times in UTC
Changes: - Locations spawn chances are back to intended - Also made some changes to the algorithm so you should get a tiny bit more locations per mission - Fixed being unable to claim a room if your save file is broken for whatever reason…
Patch notesWith this small update, the new location will be even more useful. Have fun! Changes: - Decreased the chances of Eggs to spawn - Fixed 'new outfit' message every time you kill a shroomster after getting the achievement - Fixed 'you already…
Patch notesThanks to your feedback, I made some changes to the new location, so that it would be more intuitive and visually correct. I also fixed some bugs. Other changes: - Increased Shroomster hitbox - Fixed microphone button hint Have fun!
Patch notesSince the new location isn't guaranteed to spawn, I've decided to increase its spawn chance for a limited period of time (1 week) for returning players to find it faster.Changes:Increased new location spawn chance to 99%Fixed failed…
Patch notesHey everyone,Lex hereI am happy to announce that part one of the big content update planned for August is now live! A new big location with its secrets is waiting for you somewhere in the forest, so be ready to use your wits to uncover its…
LexArtChanges: - Fixed cactus counting as friendly damage dealt - Fixed objective buttons working for clients - Fixed buttons appearing on mission screen for clients - Fixed invitation window bug that would appear if you played with controller
Patch notesHey everyone,Lex here I’m glad to announce that the long-awaited by many full controller support update is live now! If you’re a mouse & keyboard hater, and you have been waiting for this since the early access release, this is your chance…
LexArtChanges:Added a new pinFixed the issue that caused players to not load into the lobby after long missionsFixed some localizations
Patch notesContractors!Time flies and we're almost month and a half into Early Access with Mycelium: Silent Contract. We're happy to see you enjoy the game, and more players are discovering it daily. That means more and more expeditions are being…
⎛⎛⎛MROCHI⎞⎞⎞IMPORTANT: This update is only available on the openbeta branch of the game. If you want to play it, you need to switch the version in game properties in your Steam Library! If you play in co-op, make sure all players have the same version…
Patch notesChangelog: - Fixed that you sometimes couldn't pick up dropped equipment
Patch notesChangelog: - Clients can now also buy equipment in the Terminal - Improved Flare gun precision - Balanced bzulkers a tiny bit - Fixed players volume reset in between rounds Known issues: - Crates in the lobby are sometimes invisible for…
Patch notesHey Contractors,I just uploaded a new update, hope it'll make your life in the Forest easier, especially for those who'd love to play Mycelium in their native languages.The new localizations are still in beta which means I'd greatly…
LexArtContractors!The day we've been anticipating has finally come. Your existence - as you knew it - is forfeit, and it's time to honor the contract you've signed with the mysterious Mycelium corporation, who offered you a life wealth, fame, and…
⎛⎛⎛MROCHI⎞⎞⎞Contractors!This is an announcement I've been dying to make. Mycelium: The Silent Contract has an Early Access release date. You'll be able to sign your contracts and head into the forest on April 27th, 2026. Following a rigorous round of…
⎛⎛⎛MROCHI⎞⎞⎞Hey, Contractors,Lex here.If you've been putting off venturing into the forest this is your last and final call to do so. I've been tracking the progress of the currently ongoing playtest and I have to tell you it fills my cold, black…
Mrochi81Hey, Contractors,Lex here.I’ve been hunkered down in the dev-den for what feels like an eternity, but the spores are finally spreading. I'm beyond stoked to announce that Mycelium: The Silent Contract is officially opening its doors—well…
Mrochi81Hey, Contractors, Lex here.It’s been a hot minute since the last proper update, but I’ve finally finished gutting and rebuilding huge parts of the demo. Being a solo dev means some days I’m a coder, other days I’m a lighting artist, and…
Mrochi81Hey, contractors,Lex here.It's been a while since I made a meaningful post, so I guess it's time to keep y'all updated on Mycelium's current state.Based on your feedback and impressions on the demo, I'm postponing new stuff and instead am…
LexArtHey, contractors,Lex hereSteam Next Fest is over, I had a couple days to catch my breath, but now it's time to share my plans for Mycelium.First of all, thank you all for trying out the demo! Your feedback, streams, videos, emails, and bug…
LexArtHey Contractors,Lex hereJust adding a small patch to make your life easier in the forest.Changes:Extraction portals now deal only 1 damage if you stand near them when they open (used to kill you instantly)Touching the Extraction sphere…
Patch notesHello contractors,Lex hereThis patch is the second part of the big patch I announced. It's mainly about speeding up players progression, some more lobby changes for your convenience as well as minor bug fixes.Changes:Flare Guns are now…
Patch notesHello contractors,Lex hereHoping you're enjoying the demo. In the previous post, I said there was going to be a big patch. But I gave it a second thought and decided to make it a series of smaller ones, just for those who already play the…
Patch notesHey Contractors,Lex hereFirst of all, I want to thank all of you for your trust in me and my game, that really means a lot for a solo dev making his first game! We just reached 1000 wishlists, and it's something I didn't expect would…
LexArtHey, contractors,Lex hereI just released a new gameplay trailer on YouTube revealing the full game release date - January 2026!It might be not a specific date just yet, but as a solo devl I'm just trying to save myself from making promises…
LexArtHey everyone,Lex hereI watched some more streams and YouTube videos, and based on your experience decided to make some QOL changes and gameplay adjustments.Changes:Extraction Sphere now tries to activate immediately after it touches ground.…
Patch notesHey everyone,Lex hereBased on your feedback and streams I've seen, I decided to further improve some QOL aspects such as gameplay hints.Changes:Gamepleay hints are now different for different types of objects in game.Added special hints for…
Patch notesHey everyone,Lex hereI've been watching some streamers play the game, and aside from bug fixes, I decided to try some balance changes. Let me know how it feels!Changes:Potential mushroom areas number was increasedChances of fireflies spawn…
Patch notesHey everyone,Lex hereI just made a quick Hotfix to address the urgent issues in the DEMO and make some QOL improvements.ChangesPlayers should now be able to successfully connect to other lobbies while being in their own lobbyAdded GAMEPLAY…
Patch notesDear Contractors,We at Mycelium appreciate it that you waited this long for your contract to finally begin. Now it's time to finally see what you signed up for.Mycelium: The Silent Contract Demo is out!Be among the first to play and express…
LexArtHey everyone,Lex here.I did promise you a big announcement, and here it goes:Mycelium: The Silent Contract Demo is to be released on October 1st!I'm really nervous and excited, we're going to talk more about this later. But for now, I…
LexArtHey everyone,Lex here.I recently updated the game's store page, and included the main features of the game in the description. But it feels like it's not sufficient, so I decided to talk about some of them in more detail.So, let's talk…
LexArtHey everyone, Lex here.I'm so proud to announce that Mycelium: The Silent Contract is now a part of Ukrainian Game Festival 2025!Despite that there is no demo for the game yet, and obviously no discount, you can still share it to your…
LexArtHey everyone, Lex here. So it's time to break the ice, and this is my first announcement here on Steam! I'm excited to announce that I just dropped the first teaser trailer for Mycelium: The Silent Contract on YouTube and also launched Po…
LexArtWhat Steam runs, and with what. Straight from the app configuration.
| Description | Executable | Arguments | Platform | |
|---|---|---|---|---|
| Launch | M.exe | any |
The folders Steam Cloud syncs. The root is a token Steam uses for a location on your own machine, not a path this page can know.
| Root | Folder | Files |
|---|---|---|
WinAppDataLocal | M\Saved\SaveGames | *.sav |
It runs on public data and somebody's spare time.
https://paypal.me/KintaroPalPay[email protected]0x4d559C765AA8BFe336E36d5b76024926767eD38dTJtctWU9uetJaTBoSybd1RErW7n9duTKVG