Game guide · JK-TJ
Your guide to Tower of Hanoi
Begin with the basic rule, then follow the result of your action. Move the complete stack of discs from the left tower to the right tower without placing a larger disc on a smaller one. The game area remains available above the explanation. 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.
An idea for your next attempt
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. Try the rule on the board, then read the next instruction.
Aim for this result
The example and rules describe the same game you can play above. Move the complete stack of discs from the left tower to the right tower without placing a larger disc on a smaller one.
The order of play
- 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.
The controls to know
Read the position before choosing your next action. Tap the source tower and then its destination. Tap the selected tower again to cancel the selection. The game area remains available above the explanation.
An example before you play
Three discs can be transferred in seven legal moves. Four discs need at least fifteen moves. Keep the goal in mind before your next move.
Avoid this misunderstanding
Take a moment to check the current turn. Only the top disc can leave a tower. Moving a large disc onto a small disc is rejected. Start a new round when you are ready to try again.
Helpful answers for players
When I start, 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. Scores here do not represent cash or prizes.
During a round, how do the controls work?
Tap the source tower and then its destination. Tap the selected tower again to cancel the selection. Keep the current game state in view while applying this rule.
During a round, can you show an example?
Three discs can be transferred in seven legal moves. Four discs need at least fifteen moves. Use the labelled controls for your next action.
Which mistake should I avoid?
Only the top disc can leave a tower. Moving a large disc onto a small disc is rejected. A new round resets the current game.
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. A new round resets the current game.
For this game, how many people can play here?
Solo. This is local browser play, not internet matchmaking. The game is played locally in your browser.
When I start, 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. The game is played locally in your browser.
Can I move several discs together?
No. One top disc moves at a time. A new round resets the current game.
For this game, what does Undo do?
It restores the immediately previous puzzle state and move count. A new round resets the current game.
During a round, can I use the middle tower?
Yes. It is a temporary holding tower needed to move the stack legally. You can start a new round from the game controls.
