Game guide · LYFPL
Play Tower of Hanoi with the rules at hand
Read the position before choosing your next action. Move the complete stack of discs from the left tower to the right tower without placing a larger disc on a smaller one. Keep the goal in mind before your next move. Choose three to eight discs. All discs begin on the left tower.
One puzzle with adjustable disc count from three to eight. Disc counts are settings, not separate game entries. Undo is available; refreshing restarts.
Give this approach a try
Read the position before choosing your next action. An empty tower accepts any disc; an occupied tower accepts only a smaller disc than its top disc. Start a new round when you are ready to try again.
The goal to keep in mind
Read the position before choosing your next action. Move the complete stack of discs from the left tower to the right tower without placing a larger disc on a smaller one. Keep the goal in mind before your next move.
How a round unfolds
- Choose three to eight discs. All discs begin on the left tower.
- Select the source tower, then the destination tower. Only the top disc moves.
- An empty tower accepts any disc; an occupied tower accepts only a smaller disc than its top disc.
- Use Undo to reverse a move. Complete the puzzle when the right tower holds the whole stack.
Keyboard and screen controls
Keep the goal in view while choosing a move. Tap the source tower and then its destination. Tap the selected tower again to cancel the selection. Try the rule on the board, then read the next instruction.
A useful example
Keep the goal in view while choosing a move. Three discs can be transferred in seven legal moves. Four discs need at least fifteen moves. Try the rule on the board, then read the next instruction.
Pay attention to this rule
Read the position before choosing your next action. Only the top disc can leave a tower. Moving a large disc onto a small disc is rejected. The game area remains available above the explanation.
Helpful answers for players
What is the aim of Tower of Hanoi?
Move the complete stack of discs from the left tower to the right tower without placing a larger disc on a smaller one. The worked example offers another way to follow the rule.
How do the controls work?
Tap the source tower and then its destination. Tap the selected tower again to cancel the selection. The game is played locally in your browser.
On this page, can you show an example?
Three discs can be transferred in seven legal moves. Four discs need at least fifteen moves. Keep the current game state in view while applying this rule.
For this game, which mistake should I avoid?
Only the top disc can leave a tower. Moving a large disc onto a small disc is rejected. The game is played locally in your browser.
What rules and limits are used here?
One puzzle with adjustable disc count from three to eight. Disc counts are settings, not separate game entries. Undo is available; refreshing restarts. Keep the current game state in view while applying this rule.
During a round, how many people can play here?
Solo. This is local browser play, not internet matchmaking. Keep the current game state in view while applying this rule.
On this page, what is the minimum number of moves?
For n discs the minimum is 2^n − 1. The board shows the minimum for your selected disc count. Keep the current game state in view while applying this rule.
When I start, can I move several discs together?
No. One top disc moves at a time. A new round resets the current game.
When I start, what does Undo do?
It restores the immediately previous puzzle state and move count. A new round resets the current game.
For this game, can I use the middle tower?
Yes. It is a temporary holding tower needed to move the stack legally. Use the labelled controls for your next action.
