THE PLAYBOOK · 5438GAME
15 Puzzle: what to know before playing
Start 15 Puzzle by looking at the playing area and its controls. Arrange 1 to 15 in reading order with the empty square at the bottom right. Check the relevant rule before repeating a move. Check the rule that explains your first action. Check the relevant rule before repeating a move.
An idea for your next attempt
Before your first action, say what you are trying to achieve. Then compare the result with the goal. Keep the objective visible.
The goal to keep in mind
Arrange 1 to 15 in reading order with the empty square at the bottom right. Read that aim before choosing your first action. Take a moment to understand the current position.
The order of play
- 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. On a smaller screen, keep the active part of the board within view. Use the visible help when you are unsure of the next input.
See how the rules apply
When the gap is in the last square, only the tile above it and the tile to its left can move into it. Your next round may have a different position, so inspect it before acting. Verify the rule before continuing.
A common point of confusion
A distant tile cannot jump across other tiles. Take a moment to reassess the position before continuing. Choose one rule to keep in mind for this round. Apply it consistently rather than guessing what another version might allow.
Common questions
For my first round, what is the goal of 15 Puzzle?
For clarity: Arrange 1 to 15 in reading order with the empty square at the bottom right.
How do I control 15 Puzzle?
For clarity: Use the on-screen controls with a mouse or touch.
For a quick reminder, what example helps explain 15 Puzzle?
Here is the relevant explanation: When the gap is in the last square, only the tile above it and the tile to its left can move into it.
While learning, what should I watch out for in 15 Puzzle?
Keep this in mind: A distant tile cannot jump across other tiles.
As a new player, 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.
Before I begin, which play mode does 15 Puzzle use?
Keep this in mind: The mode on this page is Solo. Same-device play uses one screen; this game library does not provide internet matchmaking.
