Fio

<img src="https://github.com/user-attachments/assets/65cb6de0-45ba-4e96-b9e7-2e9a92aa910f" width="400">

A real-time Quake/Hammer-style level editor with built-in game engine

Built because modern tools lost the immediacy of Radiant/Hammer.

>>> DOWNLOAD FOR WINDOWS x64 <<<

<img width="2039" height="1171" alt="image" src="https://github.com/user-attachments/assets/0422c267-5131-4306-a25d-cc2f716e5eae" />

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• Build a level, hit play, and walk around instantly — no compile or lightmap baking
• Compact and lightweight (target: Snapdragon 8CX, OpenGL 3.3)
• Real-time lighting with stencil shadows
• Unified Forward Renderer
• Classic brush-based workflow
• Fog, glass & water shaders with configurable surface parms
• Entity I/O system inspired by Half-Life 2 (logic, triggers, lights, speakers)
• Visual scripting (with examples)
• Terrain generation
• OBJ model support
• Monsters/NPCs
• JSON level format
• Supports Quake-style nodraw surfaces

🗎 Fully modular and open source (MIT License)

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<img width="1879" height="1306" alt="image" src="https://github.com/user-attachments/assets/15a9615e-8729-40f4-b7e1-e847c190ae1f" />

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Requirements:

• PyQt5, numpy, Pillow, PyOpenGL, pygame, PyGLM

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<img width="1875" height="1697" alt="image" src="https://github.com/user-attachments/assets/ce564bef-3e9d-4bc5-a93a-e9628638cadb" />

in memory of David Lynch

<p align="left"> <img src="https://komarev.com/ghpvc/?username=vicioussquid2&color=lightgrey&style=flat-square" alt="vc" /> </p>