Testing Prompts

Bouncing Ball Polygon

Physics simulation of a red ball bouncing inside a slowly rotating heptagon.

Car Brick Wall Crash

Single-file canvas physics experiment where a car crashes into a configurable brick wall with realistic momentum, mass, friction, and collapse behavior.

Earthquake Explorer

Build a live earthquake explorer with a real map, accurately positioned individual events, multiple exploration choices, visible colors, and interactive details.

Ecosystem Evolution Simulator

Single-file artificial-life simulator with predator/prey/food energy dynamics, a round rotating 3D map, cute animated agents, live controls, and real population graphs.

Elysian Taste Challenge

An intentionally open-ended landing-page benchmark that tests visual taste, originality, art direction, and creative use of a bold botanical image.

Mini Figma Clone

Build the most complete, polished, architecturally sound mini-Figma clone possible in one shot - infinite canvas, scene graph, command-pattern undo, and production-grade code quality.

rocket-launch-animation

SpongeBob 3D World (Three.js)

Interactive 3D SpongeBob SquarePants underwater world in a single self-contained HTML file using Three.js.

Thumbfast Drawing Inspiration Editor

Implement a full drawing-template editor in Thumbfast so users can create, save, edit, and reuse drawn thumbnail inspirations.

timezone-checker

YouTube Thumbnail Generator

Build a Next.js app that generates YouTube thumbnails using Gemini's image generation API.