Fill is a simple but addictive one-line puzzle game that’s completely free to play! Download and play this INTERESTING one-line puzzle game NOW!
Challenge yourself and sharpen your mind by playing this fill puzzle line game!

Features & Highlights:
-Beautiful graphics: Nice& Bright designed interfaces, classic and causal style
-Get hints to solve the puzzle
-No time limit: Relax and Focus，training your brain
-Suitable for all age group: From beginner to master
-More than xxx unique puzzles and the more is on the way
-Offline available: You will train your brain while killing time

How to play? The rule is extremely simple:
-Just fill in all the empty blocks(tiles) by moving your fingers across the puzzle board
-When you get stuck, make use of hints
-Plan your moves carefully to make your brain more active during your commute. You can play it at any time, like bed time, enjoying the pure fun and challenging brain training.

One-line puzzles are mathematical problems with origins in the early 18th century. First posed in Königsberg, the original puzzle revolved around the town’s Pregel River. Mathematical thinking is said to increase work efficiency and prevent aging. Whether math is your bane or your forte, be sure to give this game a try. You’re sure to get hooked on these puzzles!

Play this outstanding game and activate your brain to solve puzzles! Once you download, you will never stop playing it.