01 · ProblemD7 retention lagged. The game asked for 3-4 sessions a day when most players only had time for one or two.
02 · InsightSQL + surveys revealed K-shaped behaviour: power users masked a worse experience for everyone else.
03 · ShiftReframed the sentiment "I'm missing out" to "a gift is waiting" for reactivation and nudging users to come back the next day.