Sudoku Skill is a type of puzzle game that requires logical thinking and problem solving skills. It involves filling in the blanks of a 9x9 grid with numbers from 1 to 9, such that each row, column, and 3x3 box contains all of the digits without repeating any. The term LOGIC is an appropriate description for this skill, as it requires the player to think logically and strategically in order to solve the puzzle.