Series
Grand Express series
Grand Express series: how RubyPlay altered one 50-line train format
Unlike a train series built from cosmetic carriage changes, RubyPlay's Grand Express slots keep a medium-volatility 5x3, 50-payline respin formula while moving the bonus emphasis between free spins, restrained wild play and Hold and Win. The luxury-travel frame stays recognizable, but the route to the largest result changes.
Ranked by Slot Score
| Game | Year | RTP | Volatility | Slot Score |
|---|---|---|---|---|
 Grand Express: Action ClassRubyPlay | 2021 | 96.94% | Medium volatility | 65 |
 Grand Express Diamond ClassRubyPlay | 2021 | 96.88% | Medium volatility | 62 |
 Grand Express FiestaLatestRubyPlay | 2023 | 96.43% | Medium volatility | 71 |
Grand Express: Action Class set the base in 2021 with wilds, scatters, respins and free spins. Its 96.94% RTP and 2,000x ceiling define a measured version of the formula: many fixed lines, medium volatility and a bonus structure that does not depend on a large jackpot ladder.
Grand Express Diamond Class preserves the 50-line structure, medium volatility and 2,000x limit, with an RTP of 96.88%. Gems and luxury symbols replace the retro travel mood, but the close mathematical profile makes this the nearest mechanical companion to Action Class.
Grand Express Fiesta is the meaningful departure. Released in 2023, it adds Hold and Win, a multiplier and free spins, nudges the ceiling to 2,150x and lowers the minimum stake from 0.5 to 0.1. The train remains the visual connector, while the locked-symbol bonus gives Fiesta a more event-driven rhythm than the two Class editions.