Reversi Online is a classic board game where two players compete against each other, aiming to outwit their opponents and win the game. It is also known as Othello, and is set on a two-dimensional rectangular board, making it a strategic thinking game that is easy to pick up but difficult to master. Players take turns to place colored disks on the board and attempt to flip pieces to their own color using efficient and clever tactics in order to corner their opponents and win the game.