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You've joined GameEcon, a mobile game economy. Promotional grants can be applied retroactively to fix mistakes — and a grant can be clawed back only if the player hasn't spent it yet. Balances must never go negative, and the database has to enforce that under concurrent updates.
out of scopeCatalogue · real-money purchases · progression · anti-cheat · live-ops
pnpm dev:api and reload.The canvas below still works, so you can model now and run the review once the service is up.Practice studio
Start with the data model, then layer system context
Use entities and relationships for the real ERD. Add notes, containers, or curated cloud shapes only when they sharpen the story you are architecting.
This scenario runs a full workspace — editor, canvas and results side by side. It needs a laptop or desktop to be usable. Open this page on a bigger screen to start building.