$4.99Mycelarium Grow a fungal empire underground
Flick your mycelium through the soil, tap hidden water and unlock strange mutations at your own pace.
Is Mycelarium worth it?
Mycelarium is worth it if…
- you want a low-pressure incremental game to unwind with, one you can leave running or play actively
- you like slow, spatial planning, aiming growth through soil instead of clicking numbers up
- you enjoy cozy pixel-art worlds where the wildlife is charming even when it eats your mushrooms
- you are happy with a short, meditative run of a few hours rather than a long-haul grind
Screenshots
Aim a thread, watch it spread
Everything starts with one mushroom and a flick. New growth launches like a slingshot: you aim a thread of mycelium through the soil, release, and watch it tunnel toward whatever looks promising. Food pockets sit buried in the dirt, water reservoirs wait to be connected, and hard soil or solid stone forces you to route around them. Each thread you land becomes a new node, and each node can bud again, so a careful shot early on pays off for the rest of the run. Upgrades let you decide what kind of network this becomes: longer range, wider threads, cheaper nodes, better budding odds, or enough soil penetration to punch straight through the stubborn stuff.
Mushrooms that work for you
As your network matures, the surface becomes a workshop. You build different kinds of mushrooms above ground, each with its own job: some handle resources, some launch wind-carried spores that drift off and sprout into distant new growth points, some mutate into specialized forms entirely. Trees can be parasitized for nutrients, and the forest itself keeps feeding you, since falling leaves decay into food whether you act or not. The local wildlife has opinions about your crops, though. Hedgehogs wander the surface, and a crow can pluck a mushroom right off its spot, so part of the game is deciding which mushrooms to plant, where, and what is worth defending.
Nothing here is in a hurry
This is a game built for unwinding. There is no timer, no punishing failure, and no hard fail state: the forest is alive but not hostile, and the worst a wandering hedgehog can do is nibble at your plans. The pixel-art forest is calm and colorful, the soundtrack leans on gentle guitar and handpan, and the whole thing plays at whatever pace you set. You can leave it running as an idler while the network grows, or sit down and actively aim every thread. An afternoon is enough to see most of what a run offers, and the quiet pleasure is in the spreading itself: soil giving way, roots connecting, the map slowly turning into yours.
What should you know before playing?
Can you play it solo, and does it need your full attention?
It is a singleplayer game, and it is built to flex. You can play actively, aiming every new thread of mycelium yourself, or let it idle and check in on your network now and then. Nothing punishes you for stepping away, since there is no hard fail state and the forest keeps quietly producing food on its own.
How long does a run take, and is there anything to come back to?
A full run is a few hours, and the underground is procedurally generated, so each playthrough spreads through different soil with different resources to find. The late game is the trade-off: once your upgrades are maxed, the remaining goals lean more on repetition than on new decisions, so treat it as a short, satisfying run rather than an endless one.
How does the game end, and what are you working toward?
You choose your own finish line. One path is scale: growing your network and your mushroom collection to a large enough size. The other is a hunt for five rare magic mushrooms hidden somewhere in the endless underground, which turns your spore launches and exploration into a search across the map. Either way, the goal is a self-sustaining fungal empire rather than a fight for survival.























