Foseruzu ("Four Cells") is a type of logic puzzle published by Nikoli. The goal is to divide the grid into regions of exactly four cells. The number inside a ce

Bricks consists of a square grid. The aim is to fill in each cell with numbers from 1 to N, where N is the size of the puzzle's side. No number may appear twice

Hiroimono ("Goishi Hiroi"; from Japanese, literally "things picked up") is a logic puzzle invented by Nikoli. The grid contains circles ("stones") placed at som

Dosun-Fuwari is a logic puzzle published by Nikoli. The task consists of a grid divided into regions. The grid may contain black cells; black cells do not belon

olving puzzles is beneficial for improving focus and keeping your brain active. Plus it can also provide relaxation and stress relief, not to mention hours of i