15 Puzzle - Fifteen Puzzle Game

15 Puzzle is a classic sliding number puzzle where you arrange tiles in ascending order by sliding them into the one empty space. Also known as Gem Puzzle, Boss Puzzle, Game of Fifteen, Mystic Square, and Numpuz.

5 levels: Easy 3×3 (8 tiles) for beginners, Normal 4×4 (15 tiles) for all ages, Hard 5×5 (24 tiles), Very Hard 6×6 (35 tiles), and Maximum 7×7 (48 tiles) for the ultimate challenge.

Yes, 15 Puzzle is completely free to download and play on Android devices via the Google Play Store.

Absolutely. No Wi-Fi or internet connection is needed. Play anytime, anywhere — on a commute, flight, or anywhere else.

Yes! The Easy 3×3 mode is perfect for kids and beginners. The simple, intuitive interface makes it accessible to players of all ages.

A focused single-purpose app — one core mechanic, offline, no accounts or backend — is typically a matter of weeks rather than months. Not every idea needs a big build, and we'll tell you when yours doesn't.

Far less than most people expect, because cost tracks complexity rather than the fact that it's an app. No server, no logins and no payments removes most of the expense. Share the idea and you get a fixed quote after a free call.

Yes — see our mobile app development service. We build everything from small offline utilities like this one through to full products with backends, payments and accounts.