Rail in Ball is a free puzzle game developed by HighLab Co.Ltd. available on Android. The game is easy to play, requiring you to move the rail with your finger and connect it to the goal. Once you connect it, the ball will start moving freely. With 500 stages, the game is full of challenges that will keep you engaged for hours. The objective of the game is to clear all the stages.

Rail in Ball is a simple yet addictive game that will test your puzzle-solving skills. The game's interface is straightforward, allowing you to focus on the gameplay. The game's graphics and sound effects are impressive, making the overall experience enjoyable. With a variety of stages to choose from, Rail in Ball is a game that you can play for hours without getting bored. If you're a fan of puzzle games, Rail in Ball is definitely worth a try.