Game · Claude Opus 5.5

WebGL2 sandbox survival game

WebGL2 sandbox survival game. Kepo shares BlockHaven and a detailed single-file WebGL2 survival-game brief, crediting Opus 5.5. The prompt requests many systems; the preview alone does not establish that every requested mechanic works.

WebGL2 sandbox survival game — source preview

Reusable prompt

Editorial reference template. This is not a verified transcript of the creator’s prompt and has not been verified to reproduce the displayed result.

Build an original WebGL2 voxel survival prototype in one HTML file. Begin with seeded terrain, collision, block placement, inventory and a day-night cycle. Generate textures in code. Test save/reload, edge collisions and chunk boundaries before adding creatures or fluid simulation.

How to use this prompt

  1. Copy the complete prompt.
  2. Adapt the subject, inputs, and constraints to your project.
  3. Run it with Claude Opus 5.5, then inspect and refine the result.

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