Released in 1989, this single player, run and gun arcade video game was published and developed by Data East Corporation.

This game is a shooter with a top-down view quite similar to Ikari Warriors and Commando games. The underground control-center of a nuclear missile site has been captured by some terrorists. It is the main game-character’s mission to get into the installation and get rid of the terrorist army’s leader before they manage to release the missiles. You will need the very powerful weapon Heavy Barrel in order to stop the terrorists. Only there is a problem – this weapon is still in the installation. Before the fortress mocked the enemy and fell, the weapon had been taken to pieces and securely concealed in six different storage lockers. To fight and crash the terrorists you have to gather all the keys and pieces, and assemble the weapon again. The player starts game with a kind of laser gun and a supply of grenades at his disposal.