Game guide · TIANNBO
Know the goal in 15 Puzzle
Open 15 Puzzle, check the instructions and begin a round. 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.
Take a closer look while playing
Choose one rule to keep in mind for this round. Apply it consistently rather than guessing what another version might allow. Notice the feedback after each input.
Your goal
Arrange 1 to 15 in reading order with the empty square at the bottom right. Read that aim before choosing your first action. Keep the controls in easy reach.
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.
Choosing and moving on screen
Use the on-screen controls with a mouse or touch. Keep the playing area visible while using these controls. Avoid pressing the same control repeatedly while a move is being processed.
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. Verify the rule before continuing.
Watch out for this
A distant tile cannot jump across other tiles. Check the rule before repeating the action. Watch the feedback after an action. A message can explain whether the input was accepted or whether a rule needs attention.
A few questions answered
As a new player, what is the goal of 15 Puzzle?
For clarity: 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?
The key detail is this: Use the on-screen controls with a mouse or touch.
Before I begin, what example helps explain 15 Puzzle?
When the gap is in the last square, only the tile above it and the tile to its left can move into it.
For this browser game, what should I watch out for in 15 Puzzle?
A distant tile cannot jump across other tiles.
For a quick reminder, 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.
For this browser game, 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.
When I return, where should I start with 15 Puzzle?
Here is the relevant explanation: Select a tile directly beside the empty square.
Before I begin, 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.
As a new player, how can I find 15 Puzzle again?
Here is the relevant explanation: Use the Games list or save this game page in your browser bookmarks. The Guide is linked from the playing page.
On this playing page, how do I report an issue with 15 Puzzle?
Keep this in mind: 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.
