Guardic is unique in that the player can choose stages, which are connected by a maze. Each stage is a non-scrollable single screen and has 1 to 3 groups of different enemies. The player can "buy" ship power-ups like speed, weaponry, and special powers before each stage—a departure from the traditional scrolling-shooter power-up system. In the end of each stage, the ship could safely fly through a scrollable maze to another stage.
Guardic is the second title in a MSX trilogy by Fujishima, which started with Final Justice (1985) and ended with Blaster Burn (1990). In this last installment the player commands Guardic II as its main weapon against Gose, an invasion army from outer space. It did inspire a cult classic of a sequel, the NES shooter The Guardian Legend (known as Guardic Gaiden in Japan).