One Line: Kitty & Doggy

Draw one continuous line, solve 405 clever puzzles, and unwind with cute companions and 13 colorful themes. Simple to start, satisfying to master—can you clear them all?

Can you solve every puzzle with one continuous line?

One Line: Kitty & Doggy turns a classic one-stroke challenge into a bright, relaxing puzzle adventure. Trace a smooth path from start to finish, learn the rule in seconds, and discover clever new mazes as the difficulty grows.

WHY YOU’LL LOVE IT • 405 puzzles—from quick warm-ups to tricky brain teasers • Simple one-touch controls with smooth, satisfying drawing • A gentle difficulty curve that keeps every win rewarding • 13 colorful themes to collect and use • Cute kitty and doggy companions cheering you on • Helpful tips when you need a nudge • Short, relaxing sessions for a spare minute or a longer puzzle break

HOW TO PLAY Choose your route, then draw one continuous line through the board. Plan ahead: one small choice can be the difference between a perfect path and a dead end. If a level seems impossible, pause, rethink the pattern, and try a smarter route.

Easy to learn. Delightfully tricky to master.

Download One Line: Kitty & Doggy and see how many of the 405 puzzles you can solve.