Down the Rails takes players on an adventurous ride through the London Underground, featuring iconic historical British figures cartoonishly rendered. This 5x3 slot with 20 fixed paylines offers five random base game modifiers, including wilds, symbol upgrades, and mystery features. Landing three or more Scatter symbols triggers one of five unique Free Spins modes, each based on a famous London landmark and offering distinct modifiers like expanding wilds or symbol collection. The ultimate 'End of the Line' bonus transforms into a board game, providing progressive wins and multipliers for a truly immersive journey.