Build an artificial life simulator in one HTML file
Four Grok agents were asked to build an artificial life simulator with glowing particles, force sliders, and emergent behaviors.
Done withGrok Bot
- What they did
- Four Grok 4.20 (Beta) agents received the prompt to create one self-contained HTML file simulating hundreds of glowing neon particles across six cyberpunk colors, with a 6x6 matrix of attraction/repulsion sliders, click-to-spawn controls, randomize button, pause/speed/particle-count toggles, and optional trails plus dark UI effects. The agents generated the full file independently. The user opened it and recorded the running simulation.
- How it went
- The file produced swarms, orbiting rings, chasing packs and exploding clusters that the poster called mind-blowing; a short video of the live demo was shared.
Try it yourself with Grok Bot
Build an artificial life simulator in a single HTML file with glowing particles of [number] types, sliders for the forces between them, and emergent behaviors like clustering and orbiting. Test it in a browser and fix any performance problems. Stop when the sliders produce visibly different behaviors and the file opens with no setup.
Want help getting this working? Join the Vibe Coding Academy ↗ Run by Alex Finn, who also runs this site.
Source: X · Feb 17, 2026
Related use cases
Plan and book a short-notice work trip
Grok Bot researched flights and booked the one Vince picked, though he had to take over the computer to fill in data and found it harder than booking himself.
Run content creation with specialized bots
Creators use bots to study outlier YouTube videos, and run newsletters with research, drafting, editing and scheduling bots; one experiment made 44 thumbnail proposals.
Create a subtitled video from one prompt
Agent Mode in Grok Imagine made a 36-second video with matching scenes from different angles, a storyline and subtitles.
Build Godot games with paired design and coding agents
Cowork handles design docs, task queues and playtests while Claude Code writes GDScript and runs Godot and git.
Build a match-3 game from a single prompt
An author prompted Gemini 3 Pro once to produce a working Candy Crush-style game with a shareable link, and says a non-technical friend did too.
Get 5 like this every morning
The best things people got an AI agent to do, each with the prompt to try it.