In Fillomino Infinite, players engage in a number-placing logic puzzle where the objective is to fill a grid with numbers that correspond to the size of the regions they occupy. The game features a puzzle generator that creates new Fillominos on demand, allowing for a variety of grid sizes and difficulty levels.

The storyline of Fillomino Infinite is minimal, as it primarily focuses on the puzzle-solving experience rather than a narrative. Players are invited to immerse themselves in the challenge of solving an infinite number of puzzles.

Fillomino Infinite stands out with its user-friendly interface, autodetection of errors, and features like unlimited undo and autosave. The absence of microtransactions, ads, and social media integration ensures a pure puzzle-solving experience.