Reversi, also known as Othello, is a popular puzzle game developed by 1bsyl for Android devices. The game is played by placing discs of your assigned color on the board, with the objective of having the majority of discs of your color when the last move is performed. During a play, any discs of the opponent's color that are in a straight line and bounded by the disc just placed and another disc of the current player's color are taken and turned to the current player's color. The game features many settings, including modes such as Easy, Normal, Difficult, and Nightmare, making it suitable for players of all levels.

Reversi also offers autosave, statistics, and unlimited undos, making it a convenient and user-friendly game. The game is available for both tablets and phones, and the interface is easy to navigate. Overall, Reversi is a classic puzzle game that is well-designed, easy to play, and offers a range of settings to make the game more challenging and enjoyable.