Fire up the locomotive in Super Fire Rail Express and set course for rewarding riches! Golden Coins and Jackpots roll into the station on every spin, ready to be collected whenever a Collector Locomotive arrives on the center reel. Trigger the Hold & Win features to lock the Cash or Jackpot locomotives in place as they gather every reward across a series of exciting respins. Meanwhile, every Diamond Wild charges the glowing Diamond Booster, unleashing random multipliers of up to 5x to power up your wins. Climb aboard and chase the ultimate 500x Grand Jackpot!