Tidewright

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A 3D sandcastle simulator built in one prompt with Claude Code.

bywinchxyz

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Description

A fully GPU-simulated sandcastle builder featuring realistic physics including moisture, packing, and angle of repose. It includes nine distinct visual styles, a synthesised procedural soundtrack, and complex fluid dynamics for tides and waves, all built without external engines or libraries.

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Details

Why this is interesting: An incredibly ambitious GPU-simulated game built in a single session with Claude Opus 5, demonstrating complex physics…
Attributed to: @winchxyz
Built with: Opus 5
Links: winchxyz.github.io
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Tags: #simulation #webgl #sandbox #gpu-physics

Discovered: X
First posted: X · Aug 5, 2026
Listed: Added 2h ago
Build: Strong
Models: Strong

Prompt

Create me a fully playable release-ready game. On GPU. Game about sandcastle simulator, where I can build things with sand and etc. I need it in 3D and not a voxel game. Make it with maximum effort, show me best what you can create. Use all your power, knowledge and make best graphics and best game design. Surprise me with graphics, lore and everything.

Source

Tidewright

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Timeline

Tidewright

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