THE PLAYBOOK · ZOEHERO
15 Puzzle: rules and examples
Bring your attention to one round of 15 Puzzle. Arrange 1 to 15 in reading order with the empty square at the bottom right. Use the example below to understand a decision. Identify the playing area and the controls you need. Use the example below to understand a decision.
One thing to notice as you play
Locate the buttons and input area before beginning a long round. Use the on-screen labels to avoid an accidental restart. Refer to the controls when needed.
Understand the aim
Arrange 1 to 15 in reading order with the empty square at the bottom right. Use the instructions to see which actions move you towards it. Review the board or playing area as it changes.
Making your moves
- Select a tile directly beside the empty square.
- The tile slides into the gap; diagonal moves are not allowed.
- Use Undo to step back one move.
- Finish the ordered board, or choose New puzzle.
Keyboard and screen controls
Use the on-screen controls with a mouse or touch. Use the control method described here for this activity. Use one clear input at a time.
A useful example
When the gap is in the last square, only the tile above it and the tile to its left can move into it. Apply the same reasoning to the position in your own round. Keep the controls nearby.
A useful caution
A distant tile cannot jump across other tiles. Take a moment to reassess the position before continuing. When a decision goes wrong, compare it with the common mistake described below. Start again only when you intend to leave the current round.
A few questions answered
For a quick reminder, what is the goal of 15 Puzzle?
Keep this in mind: Arrange 1 to 15 in reading order with the empty square at the bottom right.
While reading the Guide, how do I control 15 Puzzle?
Here is the relevant explanation: Use the on-screen controls with a mouse or touch.
For a quick reminder, what example helps explain 15 Puzzle?
For clarity: When the gap is in the last square, only the tile above it and the tile to its left can move into it.
While reading the Guide, what should I watch out for in 15 Puzzle?
Here is the relevant explanation: A distant tile cannot jump across other tiles.
For a quick reminder, what format does 15 Puzzle offer?
The key detail is this: Play using the solo mode shown on this page. Read the controls before starting a new round.
When I return, which play mode does 15 Puzzle use?
For clarity: The mode on this page is Solo. Same-device play uses one screen; this game library does not provide internet matchmaking.
