Free 2025 brain and number puzzle — a relaxing logic game also known as 15 Puzzle (15 Game, Пятнашки). Play for fun and focus — experience a gentle brain refresh in a calm meditation mode that clears your mind and energizes your day.

Use the simple "tap don’t slide" mechanic for a mindful one-minute brain workout and quick mental warmup. In just 60 seconds, you can refresh your mind, and return to your routine with new energy — a one-minute multitasking recovery for clarity.

15 Number Slide: Logic Puzzle is a fresh take on the timeless sliding number puzzle — also known as 15 game — where the goal is to arrange tiles in sequence from the top-left to the bottom-right corner, leaving the last space empty. The minimalist design and intuitive tap mechanic make you a number master — train logic and mindfulness at once.

Designed for comfort. Tap to move tiles — perfect even for reduced hand flexibility. The mechanic keeps gameplay effortless yet mentally engaging and gives motivation to improve your thinking speed. Fans of sliding puzzle games will recognize the familiar logic, but here it’s reinvented with a soft, modern rhythm that encourages focus without pressure.

Arrange tiles inside a clean number box — a modern design that turns logic into motion.

This reinvented classic is more than entertainment. It can serve as a gentle ritual to maintain cognitive vitality, support memory, and bring clarity for your mind to a busy day. Loved by thinkers and enjoyed by casual players alike, this relaxing brain game fits both quick breaks and deep focus sessions. Behind its simplicity lies the quiet rhythm of math — balance, order, and pure logic.

The game offers 10 carefully designed difficulty levels. Each level adds new strategic depth.

Truly simple. Just open the app, choose a level, and begin your daily slides. The clean, calming design helps your attention stay on reasoning and movement.

Morning routine for productivity — only 60 seconds. Use Countdown mode in the morning to refresh your headspace before the day begins, or Stopwatch mode to play at your own pace. Sometimes the most productive thing you can do is relax. Feel a gentle mind boost — a one-minute digit challenge that clears your thoughts and re-energizes your day.

The Step Counter records every move — refine your play, compete with yourself, and enjoy progress. Every solved grid becomes a small but meaningful victory — proof that you trained your intellect today.

Play Modes
✅ Stopwatch mode — train at your own pace. A gentle multitasking recovery that helps you switch concentration between tasks.
✅ Countdown mode (60 seconds) — afraid playing might feel like wasted time? Use Countdown: the game stops after exactly one minute, and you can return to your routine. But the checkmark that you’ve trained your intellect today will already be there. Just 60 seconds is enough for a quick mental warmup — perfect for morning wake-ups or clarity for your mind.

Why You’ll Love 15 Number Slide
✅ Smart "Tap to Slide" Mechanic — tap instead of drag for natural comfort
✅ Always solvable.
✅ 10 difficulty levels — from casual play to advanced strategy
✅ Step Counter — measure moves, enhance clarity, see your growth
✅ Works fully offline — perfect for daily slides anywhere
✅ You can use it as a gentle Alzheimer prevention tool (AD prevention) — to keep your brain active at any age

Download now!