Duolingo's limited-time crossover event with Genshin Impact officially concluded on December 27, 2025. The collaboration, running since December 8, featured a '3-Day Streak Quest' within the Duolingo app, rewarding users with exclusive Genshin Impact in-game items for consistent language learning.
This product engagement initiative concludes without specific indications of a direct market impact on December 27. Duolingo's stock closed at $181.66, up +0.54%, on December 26, 2025.