Developed and delivered a new purchasable Princess Dress-Up Set for the DinnerCalzone/imp-station-14 cargo marketplace, expanding the in-game catalog with dresses and accessories to support future item growth. The feature was implemented end-to-end in a single, well-scoped commit, ensuring clear traceability and minimal disruption to existing workflows. Leveraging YAML configuration and sprite design skills, the work integrated seamlessly with the marketplace’s asset management, utilizing both YAML and JSON for data structuring. This addition enhanced the platform’s in-app commerce capabilities, laying the foundation for increased user engagement and monetization while maintaining a stable and maintainable codebase throughout the process.