Buy Mycelarium PC Key

★ ★ ★ ★ ★

Where to pre-order Mycelarium? As of 6 Nov 2026 we have 1 offers across 1 stores, the cheapest being $3.99 at Steam. Pre-ordering gets you the game on release day, usually with the order bonuses, at a price you already know today. If day one is not the point for you, it is worth knowing that the price normally goes lower after launch.

Release: 03 Nov 2026
PLAN KAPKAN
PLAN KAPKAN
Metacritic:
tbd tbd
Keyshops
Unavailable
Buy in Official Store:
-20%
$3.99
Historical low
Buy in Keyshops:
See price history

Official Stores (1)

DRM:
Steam
Steam
Steam
Mycelarium
Windows
2d ago
DRM:
Steam
Steam
$4.99 $3.99
Historical Low Deal
Historical low
-20%

About Mycelarium

Mycelarium - about the game

Mycelarium is a strategy simulation game centered on the incremental growth of a fungal network in a quiet forest setting. Players begin with one surface mushroom and expand an underground mycelium system by directing growth threads through soil layers. The experience emphasizes patient expansion rather than competition or time limits, with mechanics that reward careful resource management and adaptation to the environment.

Gameplay

The core loop revolves around stretching mycelium threads deeper and wider beneath the forest floor. Each new branch requires water, while nodes demand food gathered from underground pockets or decaying surface matter. Growth uses a slingshot-style aiming system to target directions and distances, allowing precise control over how the network spreads. As threads extend, players encounter varied terrain including food sources, water reservoirs, dense soil, and blocking stone formations in an endless procedural underground area.

Above ground, the network supports blooming into different mushroom types. Leaves and other debris provide ongoing food, while elements like wandering hedgehogs and trees offer additional interactions for nutrient gathering. Upgrades improve key aspects such as growth range, thread width, water efficiency, node costs, budding chances, and soil penetration ability. Specialized mutations unlock further mushroom varieties, and wind-carried spores enable distant new starting points. Tree parasitism adds another layer for resource acquisition. The pixel-art forest remains calm and non-hostile, supporting steady progress without sudden setbacks.

Game Modes

Mycelarium operates as a single continuous experience without separate named modes or competitive structures. All play occurs in the same procedural underground world paired with the surface forest, where the focus stays on incremental network building at a self-determined pace. There are no distinct multiplayer options, time-based challenges, or alternate scenarios; the entire session centers on expanding, adapting, and connecting the fungal system in one unified environment.

Key Mechanics and Progression

Progression comes through unlocking improvements that make further expansion more efficient and versatile. Players collect resources to reduce costs and increase capabilities, gradually turning a small starting point into a vast interconnected system. The procedural generation ensures varied layouts with pockets of resources and obstacles, encouraging repeated exploration and strategic placement of growth nodes. Surface elements integrate directly with underground efforts, as decaying matter and tree connections feed back into the network's development. This creates a steady feedback loop where surface blooms and underground reach support each other over time.

Is It Worth Playing?

Mycelarium suits players who enjoy relaxed strategy and simulation titles focused on growth and exploration without failure conditions or external pressure. The meditative pace, combined with the slingshot control and upgrade systems, appeals to those seeking a calm incremental experience in a pixel-art setting. Availability on PC makes it accessible for sessions of any length, with the endless procedural world providing ongoing opportunities for expansion. Those drawn to quiet resource management and organic network building will find the mechanics align closely with that preference, while others looking for faster action or structured objectives may prefer different genres.

Interface:
English
Subtitles:
English

Age rating

Unavailable
Metacritic:
tbd tbd
Historical low
Price history from official stores
$3.99
Steam
2 days ago
Price history from keyshops
-
-
-

FAQ

8 questions

Before you start looking for a cheap Mycelarium PC key, check the essentials. Developed by PLAN KAPKAN. Published by PLAN KAPKAN. PC released date: 03 Nov 2026. Genres: Strategy, Simulation. Categories: Family Sharing, Single-player.

Q

Where to buy a cheap Mycelarium Steam key or CD key?

Using our price comparison and verified discount codes, you can buy a Mycelarium key for as low as $3.99. This deal is available at Steam and is among the cheapest offers on the market. All keys listed on XD.deals are delivered digitally and eligible for instant download after payment. Prices already include processing fees and applied promo codes, so you always see the lowest Mycelarium price on PC. Check the Mycelarium price history to buy at the best moment.

As of our last update (we refresh Steam pricing multiple times a day), the Mycelarium Steam price is $3.99.

Our price tracker covers both official retailers and key marketplaces, so you can find Mycelarium on sale even outside seasonal promotions. We currently detect 1 active offer from official stores and keyshops. Check the table above, compare against the historical low, and set an alert so you never miss the next price drop.

Based on our data, Mycelarium is not currently available on GeForce NOW. You will need to run it locally on your PC. Browse games available on GeForce NOW.

Yes. Mycelarium has an official page on the Steam Store. You can also buy a Mycelarium Steam key from third-party sellers. Our price comparison currently includes 1 offer with Steam DRM. Pick one to ensure your Mycelarium download happens on Valve's platform.

Not at this time. Valve marks Mycelarium as Unsupported on Steam Deck. Keep an eye on XD.deals - we track Proton updates and community fixes. Browse games that are Steam Deck Verified or Steam Deck Playable.

According to our data Mycelarium is not currently available on PC Game Pass, EA Play or Ubisoft+. We are still filling in the catalogues of these services, so it is worth confirming the status at the source before you decide. If you are buying, XD.deals will help you find the lowest price.

No - XD.deals is not a store. We are a price-comparison service that tracks the best Mycelarium deals across official stores and verified keyshops. Click "Go to Store" next to any offer and you will be redirected to the retailer's website to complete your purchase.

Best prices for Mycelarium

1 Steam Steam Official
-20% $3.99

Want to buy at the best moment? Set a price alert on XD.deals and get notified when Mycelarium hits its next historical low.

Create Alert
Join our Discord
Get instant help from our community and stay updated on the latest deals
Set Price Alerts
Get notified by email when game prices drop to your target
Create Free Account
Unlock wishlists, price alerts, and Steam sync