Country Balls Io is a free real-time strategy game developed by MAD PIXEL that allows you to play as any country and take over the world. You have to gather an army, capture cities, and other countries while defending your own state. The game is easy to play but hard to master, and it puts your logic and strategy skills to the test. You have to think and outsmart your enemy to win a war. Become a legend by leading massive Countryball armies and control an unstoppable force to take over the world!

The game offers customization options where you can select your country and play as your favorite Countryball. You can also select decorations, hats, weapons, skins, and other accessories with the gold and coins you receive by defeating armies and completing levels. The upgrades are crucial to winning the game, and you can upgrade your stats with the gold coins you have gathered. The game also has cool art-style, awesome graphics, and intuitive interface with simple controls.

Overall, Country Balls Io: Battle Arena is a fun and addictive game that allows you to use your logic and strategy skills to become the king of the world. It is available for Android and is completely free to download and play.