Puzzle Challenge: Slide Puzzle

One picture, cut into tiles, slid back into place. Puzzle Challenge is a classic sliding puzzle: pick an image, pick a difficulty, and slide the shuffled tiles back one by one until the picture is whole. You can learn the rules in a minute — and spend all afternoon on the 6×6 board. 【Four difficulties, from warm-up to warfare】 · 3×3 Easy: 8 tiles · 4×4 Normal: 15 tiles — the classic fifteen puzzle · 5×5 Hard: 24 tiles, a real test of spatial memory · 6×6 Master: 35 tiles Every board is guaranteed solvable — shuffling starts from the solved state and only makes legal moves. 【17 curated photos, or use your own】 Four collections — Nature, Cities, Animals and Art — with 17 curated photos. You can also import any photo from your library; it is resized and saved on your device, ready to become a puzzle. 【Forgot the picture? Take a peek】 Press and hold Preview to compare against the finished…