Advance Wars is a turn-based strategy game developed by Intelligent Systems and published by Nintendo for the Game Boy Advance in 2001. The game is set in the fictional continent of Wars World and follows the story of the Orange Star Army as it battles against enemy forces. Players must take command of military units, capture cities, and defeat the enemy with strategic planning. It is known for its engaging gameplay, colorful graphics, and the introduction of memorable COs (Commanding Officers) who possess unique abilities that influence battles.