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.

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About This 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

System Requirements

Windows
macOS
SteamOS + Linux
    Minimum:
    • OS *: Windows 7 64-bit
    • Processor: Intel Core 2 Duo 2.0 GHz
    • Memory: 512 MB RAM
    • Storage: 100 MB available space
    Recommended:
    • OS: Windows 11 64-bit
    • Processor: Intel Core i3 2.5 GHz
    • Memory: 1024 MB RAM
    • Storage: 100 MB available space
* Starting January 1st, 2024, the Steam Client will only support Windows 10 and later versions.
    Minimum:
    • OS: MacOS 10.12 Sierra
    • Processor: Apple M1 ou Intel Core M
    • Memory: 512 MB RAM
    • Storage: 100 MB available space
    Recommended:
    • OS: MacOS 14 Sequoia
    • Processor: Apple M1
    • Memory: 1024 MB RAM
    • Storage: 100 MB available space
* Starting February 15, 2024, the Steam Client will no longer support 32-bit games or macOS 10.14 or lower.
    Minimum:
    • OS: Ubuntu 18.04 / SteamOS 3.0
    • Processor: Intel Core 2 Duo 2.0 GHz
    • Memory: 512 MB RAM
    • Storage: 100 MB available space
    Recommended:
    • OS: Ubuntu 24.04 LTS / SteamOS 3.5
    • Processor: Intel Core i3 2.5 GHz
    • Memory: 512 MB RAM
    • Storage: 100 MB available space

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