Hardest Game Ever - iO World is a highly addictive and challenging action strategy based game for iPhone. Your goal in this game is to conquer your iO territory by making as many and as large enclosed squares as possible. However, beware of your iO enemies! If they cross over your yet to be established zones, you'll lose all your claimed territories and have to start over.

To succeed in Hardest Game Ever - iO World, you'll need to plan your moving strategy carefully and take action in an agile manner. The game offers a variety of interesting and cool characters, which can be unlocked by collecting precious gems that are dropped when you eliminate other players.

Challenge yourself and see how far you can go in Hardest Game Ever - iO World! Compete with other players and aim for the highest score in the leaderboard to become the god of iO. Download this addictive game now and give it a try for yourself!