Four Discs (Four in a Row) is a fun and challenging game for kids and adults. The goal is to connect four discs of the same color in a row, either horizontally, vertically or diagonally before your opponent does. You can play against the computer or enjoy a game with a friend on the same device. There are four levels of difficulty: Easy, Medium, Hard and Expert. The Easy level is great for kids, while the Expert level can be a challenge for experienced players. If you make a mistake or want to change your strategy, Four Discs lets you undo any of your moves. Compare your score with your friends or players around the world using the built-in Game Center leaderboards. MAIN FEATURES • Choose from four levels of difficulty: Easy, Medium, Hard and Expert • A game suitable for everyone, from kids to adults • Play against the computer or with a friend on the same device • It lets you undo any of your moves if you make a mistake • Compare your scores with friends or players around the world using Game Center • Turn sound effects On or Off • Universal App, full native support for iPhone and iPad