Tap a marble, watch it roll, merge three of a color. Marble Rails is a relaxing color sort puzzle built on a wooden marble run. Tap a marble and it hops onto the rail, rolls down every floor and rides the lift back to the top. When it passes a garage with room for its color, it drops in on its own. Three marbles of one color merge with a satisfying click. Clear every marble to win. Easy to learn, hard to put down: the rail holds only a few marbles at a time, so the order of your taps is the puzzle. Plan ahead, keep the rail moving and never run out of room. HOW TO PLAY - Tap a front-row marble, or the bottom marble of a tube, to send it onto the rail. - Each marble drops into the first garage on its way that takes its color. - Three of a color in a garage merge and make room for more. - Clear the whole board to win. Rail full and nowhere to go? Use a booster, continue or try again. NEW TWISTS AS YOU PLAY A new mechanic arrives every few dozen levels, each with a short intro the first time you meet it: - Hidden marbles that show their color only at the front - Frozen marbles that thaw as you make merges - Caged marbles you match right where they stand - Shutters that close a garage for good once it is empty - Color garages that take only their own color - Gift marbles that keep their color a surprise until you send them - Chained garages that open after enough merges - Sticky marbles that travel in pairs BOOSTERS FOR TRICKY BOARDS - Extra Capacity: one more marble fits on the rail. - Extra Garage: adds an empty garage to the board. - Magnet: pick a marble and clear it with two more of its color. MORE TO ENJOY - 250 levels, from gentle warm-ups to Hard and Super Hard boards. - Bright, easy-to-tell marble colors on a warm wooden board. - Daily Deals in the shop, with fresh offers every day. - Global and country leaderboards. - Short levels made for quick breaks, played with one hand. - Save your progress across devices with Sign in with Google. Marble Rails is free to play. It contains ads and offers optional in-app purchases. Rewarded ads are always your choice. Questions or feedback? Open Settings in the game and tap Support.