$10k Experiment: Using AI Agents to Design Theme Parks

ycombinator · x · 2026-08-29

Alex Danilowicz detailed a $10k experiment building an AI agent to design RollerCoaster Tycoon-style theme parks within Magicpatterns.

Build Process:

Key Finding:

Models converge on generic "slop" by default. Simply providing pieces isn't enough. The team implemented an eval loop where a second agent grades the park on criteria like track validity and reachability.

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