1. click on a numbered block to pick it up
2. click on a legal space to place the block into that space
3. you can only move one block at a time
4. you can't put a block on top of a block with a smaller number
5. if you can move all the blocks to the right hand end you've won

The Tower of Hanoi game is sometimes known as the End of the World Puzzle.
Legend tells of a Hindu temple where at the beginning of time priests were set this task but involving 64 disks instead of the 5 used in this game. If they moved one disk a second then it would take them 580,000 million years to complete the task

- assuming they made no mistakes