Engineer builds AI agent that generates Rollercoaster Tycoon-style theme parks

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A software engineer at Magic Patterns has created an AI agent that generates fully functional Rollercoaster Tycoon-influenced theme parks from simple text prompts. Users can request a park and receive a cohesive layout complete with themed worlds, connected paths, rides, and rollercoasters. The project was inspired by the developer's professional work on a Design System Agent, which ensures AI-generated web UIs match a company's existing brand rather than producing generic output. The engineer noticed that maintaining design coherence in theme parks — ensuring valid tracks, accessible rides, and themed scenery — closely mirrored the challenge of maintaining consistency in product UI. An evaluation loop was used during development, where a separate agent graded generated parks against a rubric and refined the rules iteratively until reliable results were achieved.

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