This is a classic sudoku game. You can select any one of three grids(4x4, 6x6 or 9x9) and can set difficulty level. The objective is to fill a selected grid with Christmas items so that each column, each row, and each of the respective sub grids that compose the grid contain all of the items without repeating anyone.
Tap the tile and than tap the block in the left panel
Candy
Gold
Fortu
Stirr
Mahjo
Paper
Homer
Demon
Jack
Fashi
Jewel
Gunho
Baby
Octon
Avoid
Fire
Géom
Grand
Blitz
Among
Black
Mix A
Super
Amgel
Six R
A Pri
Simpl
Rescu
Volum
Stumb
Snowm
Sweet
Class