Tower of Hanoi - online - is a free game developed by BuildMan for Android devices. It falls under the puzzle category and is a classic game that challenges players to transfer disks from one rod to another while following two simple rules. Firstly, only one disk can be moved at a time, and secondly, no disk can be placed on top of a smaller disk.

The game offers an online mode that allows players to compete with others. The game has a simple yet elegant design, and the controls are easy to understand. The game is suitable for players of all ages and skill levels. Overall, Tower of Hanoi - online - is a fun and challenging puzzle game that will keep you entertained for hours.