Game guide · 20ZL
15 Puzzle: rules and examples
Try 15 Puzzle at your own pace and keep its objective in view. Arrange 1 to 15 in reading order with the empty square at the bottom right. Keep the game area visible while you use its controls. Identify the playing area and the controls you need. Keep the game area visible while you use its controls.
One thing to notice as you play
Take enough time to read a new position. If a game has a timer, learn its controls first rather than searching for them during the round. Refer to the controls when needed.
Aim for this result
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. Return to the instructions when a step is unclear.
Work through the instructions
- 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.
Using the playing area
Use the on-screen controls with a mouse or touch. Use the control method described here for this activity. Contact us with the game and device if a control does not respond.
Learn from a sample situation
When the gap is in the last square, only the tile above it and the tile to its left can move into it. Focus on why the action is allowed, not only its outcome. Choose a deliberate next step.
An important reminder
A distant tile cannot jump across other tiles. Read the feedback to see why an action did not have the expected result. Watch the feedback after an action. A message can explain whether the input was accepted or whether a rule needs attention.
Questions that come up during play
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.
How do I control 15 Puzzle?
Keep this in mind: Use the on-screen controls with a mouse or touch.
As a new player, 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.
For a quick reminder, what should I watch out for in 15 Puzzle?
A distant tile cannot jump across other tiles.
For this browser game, what format does 15 Puzzle offer?
Keep this in mind: Play using the solo mode shown on this page. Read the controls before starting a new round.
For a quick reminder, which play mode does 15 Puzzle use?
Here is the relevant explanation: The mode on this page is Solo. Same-device play uses one screen; this game library does not provide internet matchmaking.
For this browser game, where should I start with 15 Puzzle?
Here is the relevant explanation: Select a tile directly beside the empty square.
As a new player, do I need an account or a payment for 15 Puzzle?
For clarity: No player account or payment is needed. Game scores are recreational results, not cash prizes.
On this playing page, how can I find 15 Puzzle again?
For clarity: Use the Games list or save this game page in your browser bookmarks. The Guide is linked from the playing page.
When I return, how do I report an issue with 15 Puzzle?
Use the contact form and include the game name, browser, device and the actions that led to the issue. Do not send passwords or payment details.
