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
Five deep dives into the design decisions that drive Duolingo's retention and engagement.
Streaks
The legendary mechanic that keeps 40 million people coming back daily.
Leagues
Weekly competitive leagues that drive XP earning and session time. From Bronze to Diamond, how leaderboards create engagement loops.
Push Notifications
The famously aggressive notification strategy. How personalization, timing, and copy optimization drive re-engagement.
Lesson Path
Why a two-minute lesson feels like progress. A linear path, mini milestones always in reach, and a lesson mix that keeps every session different.
Collectibles
Avatar suits: limited-edition costumes that take a week of separate days to earn. How a three-week event became a daily appointment.
Coming Soon
Energy, XP, Daily Quests, Super Duolingo, Onboarding.
Browse by Category
Every deconstruction, organized by the design lever it pulls.