Hypersomnia
Community-driven multiplayer shooter built from scratch in modern C++ without a game engine. Free, open-source, and only 29MB.
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29MB self-contained multiplayer shooter with its own C++ engine, playable in browser.
Core Features
- Custom C++ engine – no Unity/Unreal dependency
- Ultra-lightweight 29MB download
- Built-in map editor for custom levels
- Cross-platform: Windows, Linux, macOS & browser
- Community-driven, forever free & open-source
What It Can't Do
- •Early-stage game (1529 stars), occasional bugs may exist. Stable internet required for online play. Browser version has slightly lower performance.
Use Cases
- Quick multiplayer sessions with friends without large downloads
- Play a high-performance 3D shooter directly in your browser
- Study a modern C++ game engine source code
Detailed Introduction
Hypersomnia is a fast-paced multiplayer shooter where you can duel friends or lead clans into spectacular wars. Written entirely in modern C++ with its own custom engine (no Unity/Unreal), the game is incredibly lightweight at just 29MB. It features an in-game map editor, supports Windows, Linux, macOS, and even runs in the browser. The project is community-driven, forever free, and open-source under AGPL v3. You can download standalone builds, play via Steam, or try the browser version instantly.
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Getting Started
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Install the software
Double-click the downloaded installer and follow the prompts
Visit hypersomnia.io or Steam page
Download the installer for your OS (or click 'Play in the Browser')
Run the downloaded executable or wait for the browser to load
- Visit hypersomnia.io or Steam page
- Download the installer for your OS (or click 'Play in the Browser')
- Run the downloaded executable or wait for the browser to load
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Open Source Transparency
View GitHub SourceUninstall Info
Windows: Delete the folder. macOS: Move app to Trash. Linux: Delete the AppImage file. Browser version needs no uninstall.
No Extra Dependencies
Ready to use after download. No additional runtime required.
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