Deconstructor of Fun
The Mechanics Behind Duolingo
Deep dives into the game mechanics that drove 100M+ DAU and made Duolingo the most successful language learning app in the world.
Key Mechanics
Three deep dives into the design decisions that drive Duolingo's retention and engagement.
retention
Streaks
The legendary mechanic that keeps 40 million people coming back daily.
engagement
Leagues
Weekly competitive leagues that drive XP earning and session time. From Bronze to Diamond, how leaderboards create engagement loops.
retention
Push Notifications
The famously aggressive notification strategy. How personalization, timing, and copy optimization drive re-engagement.
All categories
Coming Soon
Energy, XP, Daily Quests, Super Duolingo, Onboarding.
See what's on deck→
Browse by Category
Every deconstruction, organized by the design lever it pulls.