• The timeless 15-puzzle: slide tiles into the gap until 1…15 line up in order.
• Every board is shuffled by real moves, so it is always solvable.
• Three sizes — 3×3, 4×4 and a brain-bending 5×5.
• Fully offline. No accounts, no network, no ads.
• Local records for fewest moves and fastest time.
• Smooth, minimal tiles with a cool-to-warm colour ramp.
Slide the numbered tiles back into order. Fewer moves, faster time, higher rank.