Sliding Puzzle
Solve the classic 15 sliding puzzle online for free. Improve your spatial logic with our interactive tutorial that teaches you how to solve it layer by layer.
进阶攻略演示：快速复原秘籍
技巧一：首行归位法 (The First Row)
不要试图一次性看满全盘。正确的策略是：先拼好第一行（1,2,3,4），然后在接下来的游戏中再也不去动它。这里演示了如何将散乱的 1-4 组合归位。
How to Play Sliding Puzzle
Welcome to the ultimate guide on How to Play Sliding Puzzle (also known as the 15-Puzzle). This classic brain teaser challenges your logic and spatial reasoning. The goal is simple: arrange the scrambled numbered tiles in sequential order from left to right, top to bottom.
Basic Rules
- The Grid: The game is played on a grid (like 3x3, 4x4, or 5x5) filled with numbered tiles and exactly one empty space.
- Moving Tiles: You can only move tiles that are directly adjacent (above, below, left, or right) to the empty space.
- Winning Condition: The puzzle is solved when all numbers are in order (1, 2, 3...) and the empty space is in the bottom-right corner.
Essential Strategies
To become a master at Sliding Puzzle, follow these proven strategies:
- Solve Row by Row: Always start by solving the top row completely before moving to the next.
- The Corner Trick: When solving the last two tiles of a row (e.g., tiles 3 and 4 in a 4x4 grid), position them vertically in the last column, then rotate them into place.
- Leave the Bottom Two Rows: Once you reach the bottom two rows, switch to solving column by column from left to right.
Frequently Asked Questions (FAQ)
Q: Is every sliding puzzle solvable? A: No! Depending on the initial scramble, half of all random starting positions are mathematically unsolvable. However, our game engine only generates 100% solvable puzzles!
Q: What is the minimum number of moves to solve a 15-puzzle? A: The maximum number of moves required for the hardest solvable 15-puzzle state is 80 moves.