Vulgus

Vulgus is a 2D vertical-scrolling shooter game in space and Capcom's first video game. The player controls a typical spaceship. He has one single objective: he must destroy incoming enemies. The spaceship has two weapons - primary gun with infinite ammo and a bombs (very limited ammo). Game has no "end" - so "surface of a planet" and a "space field" backgrounds repeat with increased difficulty until the player has lost three lives (on its default setting).