To play against another player online, you need to select the multiplayer mode and find a match with another player through the matchmaking system.

Unfortunately, the game does not support offline play. It is designed for online multiplayer and single-player modes where you can play against the computer.

Reversi Multiplayer offers three different game modes: online real-time multiplayer, single-player mode where you play against the computer, and a co-op mode where you can team up with a friend on the same device.

While there may not be a dedicated tutorial, the basic rules of Reversi are straightforward. The objective is to capture more discs than your opponent by flipping them over. Start by making your first move and observe how the game mechanics work.

Yes, Reversi Multiplayer is an HTML5 game, which means it should be accessible and playable across various devices and platforms as long as they have a compatible web browser.

To improve your strategy, focus on controlling the center of the board, securing corners, and anticipating your opponent's moves. Practice regularly and analyze your games to understand your mistakes and successes.

The game description does not mention a specific ranking system. However, many online multiplayer games include such features, so it's worth checking within the game settings or community forums for more details.

The game does not offer extensive customization options for the board appearance. However, it features a sleek design that should provide an enjoyable visual experience while playing.