In a cross-portal collaboration, Duolingo enlists Spike from Brawl Stars to take over as the new lesson planner for a limited-time event, guiding players through daily Duolingo lessons to unlock rewards and maintain streaks.

From September 19 to September 30, the two apps run a global in-app crossover featuring crossovers between the Duo Owl and Spike mascots across both platforms.

In Brawl Stars, Duo appears as a major boss in Starr Park, where teams of players face a 20-versus-1 battle inside a classroom setting and answer quizzes to power up against tougher forms.

The article notes that the content was originally written in Korean and translated with AI assistance, with human editorial review.

Korean marketing lead Byung-jun Choi describes the crossover as a fresh experience where flagship characters appear in each other’s worlds, aiming to bridge the apps through the events.

The crossover blends gameplay with educational prompts and has drawn mixed reactions from at least one reviewer regarding antagonistic avian themes.

Background context frames the collaboration as the culmination of online exchanges and a playful rivalry between the mascots, aimed at boosting engagement across both apps.

The event is framed as a playful rivalry over capturing players’ time, escalating from online feuds to in-app crossovers.

The collaboration emphasizes capturing players’ time across both brands, following public rivalries and exchanges.

Both apps are free to download on iOS and Android, with the crossover ending on September 30.

Links and references to app stores are provided for readers to download Brawl Stars and learn more about the event.

Social media activity from both brands documents the rivalry between Duo the Owl and Spike, complemented by real-life advertisements promoting the event.