3D & Generative · Sep 17, 2026

600 KB WebGL shooter made with the $20 Claude Code plan in a month (Opus 4.6)

600 KB WebGL shooter made with the $20 Claude Code… by c35683, credited to Claude Opus 4.6. Watch the 3D & Generative video and visit the original Reddit post.

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Opus 4.6
122 net upvotes on Reddit, checked Oct 15, 2026

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From the creator’s post · c35683 on Reddit
A little contrast to all the Fable/Astra posts. Say hello to, uh... Quank? **Some important details:** * The game is 100% javascript+WebGL, which means it acts as its own source code, and runs entirely on the front end * It's more polished than the footage shows at this point, but I wanted to show a version done over around a month in total (with breaks) * It uses a sector system similar to Doom or Duke Nukem 3d, which heavily optimizes rendering geometry and allows for features like mirrors and non-Euclidean levels * The 600 KB size applies to a minified version, otherwise it's around 2 MB * **I'm planning on open sourcing the game and the level editor once it's done** **What's vibe-coded:** * Most of the game, including the sector-based rendering engine (although some parts are based on very specific instructions) * Enemy models, rigging and animations (with small manual edits) * The level editor and model visualizer **What's done manually:** * Parameter and flag tweaks (e.g.…
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