Shuntle is a single-player casual puzzle game in which players attempt to guess a secret word within six tries. Each guess must be a word between 4 and 7 letters, with the secret word potentially containing leading or trailing spaces, which adds complexity to the guessing process. In this game, the setting revolves around deciphering a hidden word, with feedback provided after each guess indicating correct letters and their positions, or if a letter is present elsewhere in the word. It stands out with its unique handling of spaces in the secret word, and the color-coded feedback system that guides players towards the correct answer, making it a challenging and engaging word puzzle experience.