P
PLAYROOM
SLIDING PUZZLE

Sliding Puzzle

Slide tiles into the empty space to order them 1 → 8 or 1 → 15. Tap a neighbor or use arrows / swipe. Generated by 1000 random moves from solved — always solvable.

Moves
0
Time
00:00
Best 3×3
—
—
Best 4×4
—
—
Tap adjacent tile • Swipe board • Arrow keys / WASD move empty • R = new

🎮 Controls

  • Tap / Click tile next to empty to slide it
  • Arrows / WASD move empty: ↑ ← → ↓
  • Swipe on board to move empty in that direction
  • R new puzzle • S shuffle • P peek

📐 Modes

Switch between classic sizes. Both use guaranteed-solvable shuffle (1000 random moves from solved state).

4×4: 15 tiles + 1 empty. Harder to solve, more planning.

🏆 Personal Best

Best saved in localStorage key playroom-best-sliding-puzzle — fewest moves, tie-break time.

3×3 best —
4×4 best —

💡 How to Solve

  • Finish top row left→right without disturbing it
  • Keep empty in lower-right corner as workspace
  • Last 2 rows: solve left column first
  • Use peek to see goal layout

About Sliding Puzzle

📁 Puzzle 🎯 Difficulty: Medium ⏱️ Duration: 2–8 min ⚡ Instant Play (No Download) 📱 Desktop & Mobile

📖 How to Play & Objective

Slide numbered tiles into order on 3x3 and 4x4 boards.

  • Analyze the board state and plan your sequence of moves.
  • Complete the puzzle objectives in minimum moves or against the clock.
  • Use logical deduction rather than trial-and-error guessing.

🎮 Controls Guide

💻 Desktop:
Mouse click or Arrow keys to select ; Enter or Space to confirm move
📱 Mobile:
Tap tiles or drag pieces directly onto target grid positions

💡 Tips & Strategy

  • Work backwards from the desired final pattern or target state.
  • Eliminate impossible configurations first to narrow down valid moves.
  • Take your time; there is no penalty for careful strategic thinking.