HN Showcase
Back to browse
GitHub Repository

A Julia framework for building interactive 3D experiances

48 starsJulia

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

by MrNova·Feb 17, 2026·5 points·2 comments
Visit ProjectView on HN

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!

Similar Projects