Slide15

The classic 15 puzzle, redrawn for a calmer mind. Play right here in your browser - no install, no signup.

Swipe away the stress. Find your flow.

Slide15 is more than a sliding tile puzzle game – it's a calming escape designed to relax your mind and satisfy your senses. Slide tiles, restore order, and slip into a clean, aesthetic experience where pure logic meets deep relaxation.

We built Slide15 as the ultimate anti-stress version of the classic 15 puzzle. No ticking clocks, no pressure, no rushing – just you, the board, and the deeply satisfying feeling of finding the perfect move. Play the puzzle right here in your browser, free and instantly, or carry the full game with you on iPhone and iPad.

Why Slide15 feels so good

Satisfying, tactile gameplay

Every swipe of every tile is tuned to feel right. Smooth animations, soft sound design, and a board that responds the way your mind expects – a classic 15 puzzle redrawn for a calmer mind.

Zen, minimal aesthetics

Cosmic backgrounds, hand-picked typography, and breathing space everywhere. Slide15 looks like a meditation app and plays like the sliding puzzle game you've loved since childhood.

Addictive, gentle flow

Easy to start, hard to put down. The difficulty grows softly, level by level, keeping you in the perfect state of flow without frustration. The kind of brain puzzle game you reach for when the rest of the world is loud.

Three ways to relax

Slide15 keeps the soul of the 15 puzzle and gives it more room to breathe. Whatever mood you're in, there's a mode that fits.

Classic mode

Traditional sliding tile puzzles in clean square grids. Rearrange the numbers in order, watch the empty slot find its corner, repeat. The perfect daily ritual – simple, logical, deeply satisfying.

Shapes mode

The 15 puzzle, but the board is no longer a square. Solve hearts, crosses, gears, planets – every shape rewrites the classic logic puzzle from a new angle and makes spatial thinking feel like art.

Daily challenge

A fresh hand-picked puzzle every day. Solve it before midnight to keep your streak alive – and earn freeze tokens for the days life gets in the way. The lightest possible daily puzzle habit.

A puzzle game built for calm

If you came looking for a free puzzle game online to unwind with, Slide15 is the one. No nagging tutorials, no overlays in your face, no pressure clock. Open the page, drag a tile, and feel the noise drop a few notches.

The browser version is fully playable on phone and desktop – drag and tap with the mouse, swipe on touch, or use the arrow keys. The iPhone & iPad app adds the daily puzzle, streaks with freeze tokens, and dozens of hand-crafted shape levels – and the catalog keeps growing.

Take Slide15 with you

Free in the browser. Free to start on iPhone & iPad. Slide a few tiles right now – or grab the full app for the daily challenge and shape modes.