Othello Quest is a free online platform for playing Othello, also known as Reversi. It is one of the largest Othello servers in the world, with players ranging from beginners to world-class players. The platform offers very weak bots for beginners to play against, allowing them to improve their ratings and gradually move on to stronger bots or other human players. Othello Quest also allows players to play non-rated games with their friends. The platform is completely free, and it is available on Android.

Overall, Othello Quest is an excellent platform for Othello enthusiasts who want to play the game online. The platform is easy to use, and its vast user base ensures that players can always find someone to play with. Furthermore, the availability of bots of different strengths makes it an excellent platform for players of all levels.