Dev Tools · 2h ago
Football Prediction App's League Mode Exposes Product Bugs
A developer built a football prediction game for the World Cup, then adapted it for Ligue 1. The app worked technically but had product flaws: cumulative leaderboards killed stakes, reminder emails spammed users, and match lists overwhelmed. Fixes included per-matchday leaderboards and bounded match lists.
Meridian48 take
This highlights how scaling a product from tournament to league format requires rethinking user engagement, not just code.
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A league season is not a long tournament: four product bugs my test suite could never catch →
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