A lone wizard against a living microcosm. Auto-cast 25+ spells, dodge thousands of enemies, and level up into a screen-clearing storm — solo or in online co-op. Buttery-smooth and tiny, it runs great even on weak PCs and the Steam Deck.

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About This Game

Become an unstoppable storm of spells

Microcosm is a fast, juicy survivor-like (bullet heaven). Move, dodge, and let your auto-casting spells shred wave after wave of monsters. Each run you pick new spells and upgrades, stacking them into a screen-clearing build — then push your luck against ever-bigger hordes and periodic bosses.

Features

Thousands of enemies on screen — a fixed-step deterministic engine keeps it smooth even on low-end PCs and the Steam Deck.

25+ spells across 14 families — novas, chains, beams, fields, orbits and more, plus passive abilities.

Online co-op & crossplay — team up over the internet; PC shares rooms with Android and browser players.

Meta-progression — earn coins, unlock and upgrade spells, craft your loadout between runs.

Bosses & escalating waves that fire their own deadly volleys.

Full controller support and 11 interface languages.

One tiny download, no bloat. Native Windows and Linux/Steam Deck. Play offline solo, or sign in for cross-device progress and online co-op.

AI Generated Content Disclosure

The developers describe how their game uses AI Generated Content like this:

The in-game interface text is translated into the supported languages using AI / machine translation. Parts of this store page description were drafted with AI. Parts of the source code were written with the help of an AI coding assistant.The in-game interface text is translated into the supported languages using AI. Parts of this store page description were drafted with AI. Parts of the source code were written with the help of an AI coding assistant.

System Requirements

Windows
SteamOS + Linux
    Minimum:
    • OS: Windows 10 (64-bit)
    • Processor: x86-64, dual-core 2.0 GHz
    • Memory: 2048 MB RAM
    • Graphics: OpenGL 3.0-compatible (Intel HD Graphics or better)
    • Network: Broadband Internet connection
    • Storage: 100 MB available space
    • Sound Card: Any
    • Additional Notes: Gamepad supported (optional). Online co-op & cross-device progress require internet.
    Minimum:
    • OS: SteamOS 3 / Ubuntu 20.04+ (glibc 2.30+)
    • Processor: x86-64, dual-core
    • Memory: 2048 MB RAM
    • Graphics: OpenGL 3.0 (Mesa)
    • Network: Broadband Internet connection
    • Storage: 100 MB available space
    • Sound Card: Any
    • Additional Notes: Steam Deck compatible. Gamepad supported.
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