Dezaemon , released on September 13, 1991 for the Famicom, is a game designing application that lets aspiring developers create their own vertical scrolling shoot-'em-up. Players have control over how their ship looks, design how their levels will look, and also create a title screen.
Players can also compose their own background music and create a list of credits to give credit to the designers of their game. Additionally, there is a sample shoot-'em-up available to play titled E.D.I.T., which contains 3 stages of a simple vertical-scrolling space shooter where players shoot down waves of enemies and fight a boss enemy at the end of each stage.
Items can also be collected which can increase their ship's speed or give their ship a defensive shield. Other items can upgrade the ships' weaponry from a vulcan cannon to either lasers or missiles. The game offers a unique experience for those who want to create and play their own vertical scrolling shoot-'em-up.