Game guide · VOYOG
Play Tower of Hanoi with the rules at hand
Use the controls beside the game rather than guessing the rules. 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. Try the rule on the board, then read the next instruction.
One puzzle with adjustable disc count from three to eight. Disc counts are settings, not separate game entries. Undo is available; refreshing restarts.
One thing to notice as you play
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.
Your objective
Use the controls beside the game rather than guessing the rules. 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.
From the start of a round
- 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.
Using the playing area
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.
See the idea in action
Begin with the basic rule, then follow the result of your action. Three discs can be transferred in seven legal moves. Four discs need at least fifteen moves.
Check this before moving on
Keep the goal in view while choosing a move. Only the top disc can leave a tower. Moving a large disc onto a small disc is rejected. Try the rule on the board, then read the next instruction.
Game-specific help
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 controls work with mouse or touch.
When I start, how do the controls work?
Tap the source tower and then its destination. Tap the selected tower again to cancel the selection. The instructions above use these same rules.
During a round, can you show an example?
Three discs can be transferred in seven legal moves. Four discs need at least fifteen moves. No download or player account is required.
During a round, 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.
On this page, 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. Use the labelled controls for your next action.
How many people can play here?
Solo. This is local browser play, not internet matchmaking. The game is played locally in your browser.
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. No download or player account is required.
During a round, can I move several discs together?
No. One top disc moves at a time. You can start a new round from the game controls.
During a round, what does Undo do?
It restores the immediately previous puzzle state and move count. Use the labelled controls for your next action.
During a round, 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.
