Puzzles

There are plenty of logical puzzles in the world, most popular are the likes of Sudoku, Mazes, Sliding puzzle, Pexeso, Chess, various math games, ... Here I will list some puzzles which I found

Sudoku

• fill the numbers 1 to 9 into a grid of 9x9
• no number can repeat in the row, column or region
• regions are boxes of 3x3

out of this simple concept sprout multiple variants

Sub Doku - sudoku of size less then 9x9 Super Doku - sudoku of size larger then 9x9 Jigsaw Sudoku - sudoku with irregular region shapes Sudoku X - sudoku with unique diagonal Hypersudoku - Additional 3×3 boxes are added within the main grid. Relative digit location - Digits in the same relative location in other regions must be unique (often color coded) Killer sudoku - additional regions with no repeated values need to sum to given value in corner Sandwich sudoku - value on edge specifies sum between 1 and 9 Palidnrome sudoku - marked tiles must be palindromes Odd-Even sudoku - some cells are marked even or odd Trio sudoku - 1,2,3 go into green shaded cells; 4,5,6 into yellow shaded cells; 7,8,9 into white shaded cells Gattai - multiple overlapping sudokus Fotodoku - equality signs between cells Fortress sudoku - number in a shaded cell is greater then all adjucent cells Renban sudoku - renban lines hold distinct consecutive digits XV sudoku - if between two cells is an 'X' the sum of those cells is 10, for 'V' is 5 Kropki sudoku - if between two cells is a white dot the cells are consecutive, of black then in ratio 1:2 Sojuko suduko - sum between cells in a 2x2 region given in middle XSum sudoku - digit outside grid indicates the sum of first X digits in that direction, given by first number placed in that direction