Touzainanboku is simple yet addictive puzzle game fun for all ages.

Various grid sizes ranging from 4×4 up to 12×12. All the grids are randomly generated for a virtually inexhaustible number of puzzles.

Smaller grids are great for younger players or if you just want a quick game. Larger grids will provide a challenge to even the best puzzle solvers.

Grids can be zoomed in and out using a spread and pinch motion to easily complete large grids even on smaller devices.