One or two players can take their pick of three helicopters, each with their own firing pattern and battle oncoming waves of enemies through 7 different stages, each with a boss at the end. Each boss has a different form at the beginning, such as a train, boat, airplane, or submarine, but after the players have inflicted enough damage, it turns into a giant robot. After the players destroy the robot, the stage ends and they progress on to the new stage. There are 9 modes of difficulty, ranging from "Child", where enemies fire little to none when fired upon to "Very Hard", where enemies fire at almost any given moment.
The game is particularly innovative by including a way to rotate the helicopter in 360 degrees, allowing the player to fire in any direction. Most of the time this is required to survive, as enemies not only come from the top of the screen, but the left, right, and bottom as well. Like other scrolling shooters, the game makes use of power-ups to improve a helicopter's firepower. Each player also has a "Special" Bar, which slowly rises whenever players collect the little "E" icons from destroyed enemies. Every time the bar fills, the player has an opportunity to unleash their helicopter's special attack which often is capable of destroying every enemy on the screen.
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