Fill in Description: It is time to train your brain 🧠💪 and solve the best block puzzle game!
FILL IN – connect the blocks with one line – is easy and hard puzzle game simultaneously.

The rules are simple: fill in all the empty spaces with blocks at one stoke. ◻️◼️◻️◼️
It’s great for time filling and always keeps the brain working. ☝️ The puzzles in this one line game can be hard or easy, but each one takes careful planning. 🤔

FILL IN – connect the blocks with one line FEATURES:

✔️ totally free to play
✔️ dozen of puzzles
✔️ different difficulty levels
✔️ suitable for all ages
✔️ new levels update every week
✔️ free hints
✔️ small app size
✔️ no wifi needed

Do you like to use your spare moments indulging in brain-testing puzzle game?
If so, FILL IN will be your perfect take-anywhere companion. 😎
While playing this one line game you train your brain to process various forms of strategies at lightning speeds. While you devise strategies to win the game, it also builds your neural connections. 😳 This block puzzle game is made to help keep your brain cognitively fit, flexible, and young.

You’ll train your brain with each level passed because the puzzles get harder as you go along. 🤓📲 Are you up for the ultimate brain-training challenge?

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