2025-06-01 00:00:00 Fillogic is a simple, yet exciting puzzle game based on the award winning Japanese game Fillomino. It's perfect to tease your brain, solve challenges, and kill some time with. Fill the rectangular grid (like in Sudoku) with numbers 1-9, forming blocks of connected cells: polyominoes. The polyominoes become colored if their size matches the number written in the cells. The goal is to color the whole grid. Choose a difficulty to fit your skills and free time. Play through hundreds of levels for free. Gain points for solutions based on time taken, steps needed and board size, and share your success with your friends.