THE PLAYBOOK · MILUPIANO
15 Puzzle: a guide for your next round
Take a moment with 15 Puzzle before moving to another game. Arrange 1 to 15 in reading order with the empty square at the bottom right. Check the relevant rule before repeating a move. Compare the starting position with the example in the Guide. Use the example below to understand a decision.
A focus for your next round
Choose one rule to keep in mind for this round. Apply it consistently rather than guessing what another version might allow. Use the example to check your reasoning.
What you need to achieve
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. Follow this game’s rules rather than another version’s.
A walkthrough of the rules
- 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.
Making selections and moves
Use the on-screen controls with a mouse or touch. Keep the playing area visible while using these controls. Read the example below alongside these instructions.
An example before you play
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. Check the stated objective.
Avoid this misunderstanding
A distant tile cannot jump across other tiles. Check the rule before repeating the action. Compare the worked example with your own position. Use the reasoning, not an answer copied from a different board.
Common questions
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.
Before I begin, how do I control 15 Puzzle?
Keep this in mind: Use the on-screen controls with a mouse or touch.
For this browser game, 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.
Before I begin, what should I watch out for in 15 Puzzle?
The key detail is this: A distant tile cannot jump across other tiles.
While reading the Guide, what format does 15 Puzzle offer?
For clarity: Play using the solo mode shown on this page. Read the controls before starting a new round.
As a new player, 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.
