Tidewright

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A 3D sandcastle simulator that runs entirely on the GPU with no external libraries.

bywinchxyz

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Description

A fully playable 3D sandcastle simulator built using WebGL2 and ~7,000 lines of custom JavaScript and GLSL with zero dependencies. It features a realistic physics engine for sand (angle of repose, moisture, and compaction), a campaign mode called The Novena, and nine distinct visual rendering styles ranging from realistic to woodblock print.

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Details

Why this is interesting: Building a custom 3D physics engine and fully-featured game in a single AI session is a remarkable demonstration of…
Attributed to: @winchxyz
Built with: Opus 5
Links: winchxyz.github.io
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Tags: #simulation #webgl #sandbox #physics

Discovered: X
First posted: X · Aug 5, 2026
Listed: Added 45d 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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