SpinGreen

SpinGreen is a casino game math preview tool that transforms slot game specifications into instant playable browser prototypes. Game studios, designers, and producers can test their mathematical models before commissioning art or writing client code, enabling teams to validate game rhythm, volatility, and feature feel in real-time.

The platform accepts reel strips and paytable JSON and generates zero-dependency, shareable URLs that provide instant access to playable prototypes with real-time telemetry inspection. Features include support for various grid configurations (5×3, 5×4), multiple betting levels, turbo mode, and detailed session analytics including RTP tracking and hit frequency measurements.

SpinGreen solves the communication bottleneck between math designers and client engine teams by allowing all stakeholders to feel and evaluate the actual game experience before major development investments. No credit card or complex setup required—just drop your specs and start spinning.