iHappy Train - Slide Puzzle is a free puzzle game developed by Wooden Block Puzzle Studio for Android devices. The game's objective is to move the blocks and connect the tracks to make a rail path for the train to pass through. As you explore the right railway path, your spatial thinking ability, memory, and logical reasoning skills will be greatly improved.

The game offers thousands of levels with level settings from easy to difficult, making it addictive to all people. It has lots of interesting trains, and you can change your train with enough golds. The game has a one-finger control system, and there is NO penalty and time limit. Hints features are also available to help you when you get stuck. You can play offline, anywhere, and anytime, making it convenient for you.

Overall, iHappy Train - Slide Puzzle is a well-designed game with rich and immersive elements. If you love free jigsaw puzzle games, this game is a perfect choice for you. Play it and share it with your friends to compete for higher levels. If you encounter any problems or have any suggestions, feel free to let the developer know.