Train your brain with this addictive logic puzzle game. Fill grids with numbers while respecting inequality signs, offering a deeper challenge than Sudoku. Improve focus and critical thinking with unlimited puzzles.





10+ similar games compared and reviewed
Whether you want more options like Map Typing or a completely different take on the same concept, our curated list of 10+ similar apps and games has you covered. Updated for 2026 with the latest ratings and comparisons.














Train your brain with this addictive logic puzzle game. Fill grids with numbers while respecting inequality signs, offering a deeper challenge than Sudoku. Improve focus and critical thinking with unlimited puzzles.