Play a classic Sudoku game. Fill free cells with digits from 1 to 9. You can put numbers so that in a row, in a column and in a small square 3x3 the digits were encountered only once.
Bob T
Happy
Impos
Pengu
Porsc
Pepe
Inoi
Black
Robot
Mahjo
Nail
Escap
Side
Deser
Box
Merma
Hadro
New Y
Bubbl
Prega
Super
Pop I
Flowe
Pictu
Schoo
Extra
Arabi
Stick
Baby
Samur
Kingd
Fashi
Pga3