This is a "static screen" shooter in which the player controls a robot named Performan that moves in four directions. The character's weapon is a "Perfor-Boomerang" that shoots in front of the player and a button allows the player to dig tunnels underground.

ALCON is a forward-flowing spaceship shooting game taking place on the planet Orac. Extraterrestrial enemies occupied the planet in 2059. The Extraterrestrial League of Cosmic Nations decided that you were the pilot to take Starfighter and defeat the extraterrestrials.