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A Julia framework for building interactive 3D experiances

46 starsJulia

Game Engine in Julia with 400KB Exports (Vs Unity's 200MB)

by MrNova·Feb 17, 2026·5 points·2 comments
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AI Analysis

●●SolidWizardryNiche Gem

PBR + physics in 400KB WASM, but Julia adoption limits the audience significantly.

Strengths
  • •Hybrid deferred/forward rendering with cascaded shadows, SSR, SSAO—AAA-quality feature set
  • •400KB exports vs Unity's 200MB+ is a genuine technical win; functional ECS API feels clean
  • •Full physics engine (GJK+EPA, joint constraints) packed into lightweight runtime
Weaknesses
  • •Julia has minimal game dev ecosystem; requires learning uncommon language for game logic
  • •No visual editor means higher friction than Godot, Unreal; code-first is powerful but niche
Target Audience

Game developers, Julia users, indie devs seeking lightweight 3D engine alternatives

Similar To

Godot Engine · Bevy (Rust) · Three.js

Post Description

Hi HN! Built a code-first game engine called OpenReality. No visual editor - you write games in pure code. features: - Pure code workflow - 400KB WASM exports (Unity: 200MB+) - Free and open source - full 3D rendering - multiple rendering backends

github: https://github.com/sinisterMage/Open-Reality Happy to answer questions about the tech or implementation!

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