Get the free Core Drives in the Wild guide, behavioral design applied to real products: professorgame.com/WildCD
Episode Summary
Mykhailo Rogalskyi, co-founder of Fintech IT-Group and the fintech unicorn behind monobank (11 million users), shares how a viral in-app scavenger hunt called Lemon Hunt turned into the bank's biggest gamification win, and its costliest infrastructure failure. He walks through what happens when a 50-hidden-lemon prize draw for one BMW spirals into five cars given away and a 10,000X spike in server requests, plus the AI bot cheating problem now hitting leaderboard-based games. Listeners come away with a concrete framework for building an exit plan into any gamification mechanic before it becomes impossible to remove.
About the Host
Rob Alvarez is Head of Engagement Strategy, Europe at The Octalysis Group (TOG), a leading gamification and behavioral design consultancy. A globally recognized gamification strategist and TEDx speaker, he founded and hosts Professor Game, the #1 gamification podcast, and has interviewed hundreds of global experts. He designs evidence-based engagement systems that drive motivation, loyalty, and results, and teaches LEGO® SERIOUS PLAY® and gamification at top institutions including IE Business School, EFMD, and EBS University across Europe, the Americas, and Asia.
Key Takeaways
- monobank's Lemon Hunt event, a 50-hidden-lemon scavenger hunt tied to a BMW prize draw, drew 3.5 million users within days and forced the bank to give away five BMWs instead of one.
- The viral spike caused a 10,000X increase in requests to some services, breaking uptime and pushing monobank to redesign how it allocates server load across the whole app instead of service by service.
- monobank's embedded banking-app games now face a new failure mode: AI bots that can top leaderboards undetected, which is why Mykhailo Rogalskyi says never attach a valuable prize to a leaderboard that AI can exploit.
- When monobank retired its badge system for a cat-avatar dress-up feature, it faced months of user backlash, a reminder to plan an exit strategy for any gamification mechanic before removing it.
- Keep any in-app game mechanic explainable in 15 to 30 seconds, Rogalskyi says, since over-complication is the most common mistake gaming-industry veterans bring into product gamification.
Topics Covered
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- 0:00 — Opening hook
- 1:35 — monobank hits 11 million users
- 3:04 — Splitting the day between banking and AI
- 5:32 — The Lemon Hunt event that broke the app
- 10:01 — A supply chain lesson in distributing risk
- 11:28 — Why Lemon Hunt couldn't become permanent
- 12:51 — Embedded games and the AI cheating problem
- 16:32 — Offline finals level the playing field
- 17:25 — Lemon Hunt's viral aftermath and brand offers
- 19:47 — Best practices: simplicity and a sunset plan
- 22:12 — Badges backlash after the cat avatar swap
- 24:05 — Duolingo, a book pick, and Walkable
Get the free Core Drives in the Wild guide, behavioral design applied to real products: professorgame.com/WildCD
About Mykhailo Rogalskyi
Mykhailo Rogalskyi is a Ukrainian entrepreneur and finance professional, best known as one of the co-founders of Fintech IT-Group, the company behind monobank, Ukraine's first neobank. With his involvement, monobank grew into a major digital fintech product with 11 million users, while its developer company evolved into Fintech IT-Group, a holding that attracted investment and received a valuation of over $1 billion, becoming Ukraine's first fintech unicorn.
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