Slydo is a clean, relaxing take on the classic sliding number puzzle — the timeless "15 puzzle" you know, rebuilt for a smooth, modern phone experience. Slide the scrambled tiles one by one into the empty space and race to put every number back in order.
No sign-up, no ads, no internet needed. Just pick up your phone and play.
HOW IT WORKS Tap a tile next to the empty slot to slide it in. Keep sliding tiles until the numbers line up from 1 upward — left to right, top to bottom — with the empty space in the bottom-right corner. Simple to learn, satisfying to master.
FEATURES • Three board sizes — 3×3, 4×4 and 5×5 — from a quick warm-up to a real brain-teaser • Move counter and timer on every game so you can chase a better score • One-tap Undo to take back a slide • Personal best moves and best time saved for each board size • Total puzzles-solved counter • Smooth, animated tile sliding • Dark and light themes • Optional tile numbers and haptic feedback • 100% offline — works anywhere, anytime • No ads, no tracking, no accounts, no permissions
GREAT FOR • A quick mental break during the day • Training focus, memory and spatial reasoning • Relaxing without noise, ads or interruptions • All ages — kids and adults alike
Slydo keeps everything on your device. There are no accounts to create and nothing is collected or sent anywhere. Download it once and it works forever, even in airplane mode.
Slide, solve, and beat your best. Can you clear the 5×5?
Classic sliding number puzzle. Slide the tiles into order. Offline & ad-free.