As an Anglo-Indian game designer with a Cambridge background, I built 'Zhaocai Tu'—a culturally rich digital casino that blends Chinese rabbit symbolism with probability algorithms. Every spin feels like a ritual: the leap of a财神 rabbit through祥云, each win tied to real behavioral economics. I optimized it for retention using micro-interactions, not luck. Here’s how psychology and code collide—and why players keep coming back.