4 In A Row: Challenge AI is the to-go edition of the classic Connect Four game, now available as a free app for iPhone users. Challenge your friends, test your skills against the computer, or compete with players worldwide to showcase your strategic prowess. In this game, players take turns dropping colored discs into a grid with the objective of connecting a row of four of their own color either vertically, horizontally, or diagonally.

With two engaging game modes, players can choose to play against the AI with 10 levels of difficulty in the "One player" mode, or engage in a classic duel in the "Two players" mode where the first to connect 4 in a line emerges victorious. Whether you enjoy solo challenges or competitive gameplay, 4 In A Row: Challenge AI offers a fun and engaging experience for fans of this timeless game.