Puppies & Kittens - Line Puzzle Game is a FREE one-line puzzle game to sharpen your mind and train you brain. Now making a good use of your spare time! How To Play： ※ Connect the blocks with one line ※ Puzzles get harder as you go along Features: √ All the levels are FREE √ Hints are also FREE √ Unlimited challenging puzzles √ suitable for all ages √ Simple but addictive enough This block puzzle game is made to help keep your brain cognitively fit, flexible, and young. You’re sure to get hooked on these puzzles!