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HyphoSphere

A fungal idle game where you grow a mycelial empire from a single filament. Click to harvest nutrients, build living organisms, trigger sporulation to prestige, and let your Twitch viewers join the network.

Steam Page
Developer
La Maison du Nourson
Publisher
La Maison du Nourson
Release
May 4, 2026
90 days ago
Steam Reviews
3 user reviews3 reviews33.3%

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About the Game

Grow. Expand. Transcend.

HyphoSphere is a fungal idle game where you build a mycelial empire from a single filament to a cosmic singularity. Click to harvest nutrients, construct living organisms, and watch your network spread across the planet ... and beyond.

From Hypha to Singularity

Start with a single Simple Hypha and unlock 10 distinct organisms, each with its own identity on the living canvas:

  • Rhizomorphs : robust cords that explore new substrates

  • Mycorrhizae : symbiosis with tree roots, feeding both you and the forest

  • Carpophores : the visible mushroom, a spore factory in full bloom

  • Forest Network : you control the Wood Wide Web

  • Cordyceps Parasites : infect insects, make them work for you

  • Fungal Consciousness : the network thinks, optimises, expands

  • Mycelial Singularity : you have transcended biology. The cosmos is your substrate

A Living Network

The central canvas is alive. Your mycelium pulses, filaments grow outward, particles drift and burst. Random events appear at any time :

  • Bioluminescent Spore : catch it for ×7 production or 15 minutes of nutrients in an instant

  • Spore Storm : gather drifting spores across the canvas

  • Bacterial Invasion : repel the attack before your network is damaged

  • Cosmic Mycorrhiza : rare, radiant, extraordinary

Sporulation — The Prestige System

When your empire grows large enough, trigger Sporulation: reset everything and earn Primordial Spores. Each spore grants a permanent +5% production bonus. The cycle begins again : faster, richer, deeper.

100 Achievements

From your first harvested nutrient to billions of clicks and cosmic transcendence : 100 achievements track your journey and power up Symbiotic Vitality, a bonus that scales with every milestone you reach.

Twitch Integration

HyphoSphere is designed to be streamed. Connect your Twitch channel and let your viewers become part of the network:

  • !click : viewers click the mushroom for you

  • !boost : vote for ×3 NPS for 20 seconds

  • !invade : vote to trigger a bacterial invasion

  • !buy : community votes to purchase an organism

No rankings. No competition. Just a living, breathing fungal empire. built together.

Key Features

  • Idle / incremental gameplay with active events

  • 10 organisms, 45+ upgrades, 100 Steam achievements

  • Prestige system with permanent bonuses

  • Twitch chat integration

  • Dynamic animated canvas

  • Available in English, French, German, Spanish, Italian, Portuguese

  • Windows, macOS, Linux

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