OneLine: Dot Connect

Welcome to OneLine: Dot Connect — the elegant Euler path brain teaser that challenges your logic and spatial reasoning.

【How to Play】

Draw a single continuous line through every dot on the grid without lifting your finger or revisiting any dot. Simple to learn, deeply
satisfying to master.

【Game Features】

■ 50 Handcrafted Puzzles
Four chapters of increasing difficulty, from simple 3×3 grids to complex 8×8 challenges. Each level is a unique brain teaser designed to
make you think.

■ Two Play Modes
• Quick Play — jump right in with a random puzzle
• Level Select — choose your challenge and track progress

■ Star Rating System
Earn up to 3 stars per level based on performance. Complete all 50 puzzles with perfect ratings to prove your mastery.

■ Smart Hint System
Stuck? Use hints to guide your thinking without giving away the solution. Hints highlight the next logical step.

■ Full Undo Support
Made a wrong turn? Undo any move at any time. Restart puzzles freely — no penalties, no pressure.

■ Intuitive Touch Controls
Smooth touch-drag controls optimized for iPhone. Draw your line naturally with a single finger.

【About Euler Path】

The Euler path problem traces back to mathematician Leonhard Euler and the famous Seven Bridges of Königsberg. Your goal: find a path
through every node exactly once. A classic problem that has fascinated minds for nearly 300 years.

【Privacy Commitment】

Fully offline. No personal data collected, no ads, no in-app purchases, no internet required. Download and play immediately — no account
needed.

Start your OneLine journey today!