OneLine: Brain Puzzle is a minimalist logic puzzle game built around one simple idea: connect every dot using one continuous line. Easy to learn, satisfying to play, OneLine challenges your logic, focus, spatial thinking, and problem-solving skills.

Can you complete the shape without lifting your finger or retracing your path? Find the right route, plan your moves, and solve each puzzle with a single continuous line.

With 550+ handcrafted challenges, OneLine starts easy and gradually becomes a serious brain workout. Whether you enjoy brain puzzles, logic games, line puzzles, connect-the-dots challenges, or casual games that make you think, there is always another level waiting for you.

550+ HANDCRAFTED PUZZLES

Explore more than 550 carefully designed levels across 12 difficulty packs, from Beginner to Impossible Master. Early levels help you learn the mechanics, while advanced stages require careful planning, concentration, spatial reasoning, and problem solving.

ONE LINE, ONE CHALLENGE

The rules are simple: start at a dot and connect the entire shape using one continuous line. Keep your finger on the screen, choose your route carefully, and avoid retracing your path. What looks easy at first can become surprisingly difficult as the puzzles grow more complex.

DAILY TIME ATTACK

Try the Daily Time Attack and race against the clock. Solve the daily challenge quickly, improve your time, and beat your own best score. Test your speed, focus, and decision-making.

DAILY REWARDS AND LUCKY SPIN

Return every day to collect rewards and spin the Lucky Wheel. Earn free hints and bonus boosters to help you through difficult puzzles.

BRAIN TRAINING AND MENTAL WORKOUT

Each level encourages logical thinking, attention, planning, concentration, and problem-solving. Play for a few minutes during a break or spend longer sessions working through increasingly difficult brain teasers.

OFFLINE PUZZLE GAME

No internet connection or Wi-Fi is required. Play OneLine offline whenever and wherever you want.

MINIMALIST NEON DESIGN

A clean interface keeps the focus on the puzzle. Enjoy dark visuals, neon glow effects, smooth animations, and satisfying haptic feedback as you draw your line and complete each level.

FOR KIDS AND ADULTS

The controls are simple for new players, while later levels provide a real challenge for experienced puzzle fans. OneLine can be enjoyed by kids, teenagers, adults, and older players looking for a fun way to keep their minds active.

9 LANGUAGE SUPPORT

OneLine is available in English, Turkish, Spanish, German, French, Japanese, Korean, Portuguese, and Russian.

If you enjoy brain games, logic puzzles, one-line puzzles, connect-the-dots games, drawing puzzles, mind games, offline games, or daily challenges, OneLine gives you a simple rule with new ways to think.

Connect the dots. Find the path. Challenge your mind.

Can you master all 550+ puzzles?

OneLine & Studio

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