034 Sandpile Falling

1 test · 1 finished runs (0 agent, 1 raw one-shot) · 1 live demo

The prompt

Sandpile Falling: A falling-sand sandbox: choose sand, water, stone, wood or fire from a toolbar and paint into the grid. Sand piles, water flows and levels, fire burns wood into smoke and ash, and stone stays static. Brush size slider and clear button. Build it as ONE self-contained HTML file: inline CSS and JavaScript only, no libraries or frameworks, and no external requests of any kind (no CDNs, web fonts, images or audio files); anything visual or audible is made in code (HTML/CSS, SVG, Canvas, WebGL or WebAudio). It must work when opened directly from disk, fit the browser window responsively, and run without console errors. Output ONLY the complete HTML file, starting with <!DOCTYPE html> and ending with </html>, with no explanation or markdown fences.