Monopoly IO is the classic property trading board game brought to the web. you can play in either private or public matches, buy properties, roll the dice, and buy hotels. All devices, including mobile phones are supported in Monopoly IO. How to Play Monopoly IO To play Monopoly IO, click either a private or public game. After a few people have joined your lobby and every is ready, the game will start. Use the buttons at the bottom of the screen when it's your turn to play! Monopoly IO Strategy Try and buy as many properties as you can at the start of the game. This can be used as leverage later on when trading with other players. Collect properties of the same color group to buy houses/hotels. This can increase the rent you charge by more than 10x!