Balance Duel is an iPhone game developed by KAYAC Inc. that challenges players to outlast their opponents by balancing on a plank and shooting them before they fall into the sea. The game is easy to understand but hard to master, requiring players to use strategy and precision to win.

The game features multiple stages with varying levels of difficulty, each with its own unique design and obstacles. Players can choose from a variety of characters, each with its own set of skills and abilities. The game also includes a multiplayer mode, allowing players to compete against each other online.

Overall, Balance Duel is an entertaining and challenging game that will keep players engaged for hours. Its simple yet addictive gameplay, combined with its colorful graphics and engaging sound effects, make it a must-try for fans of strategy games.