Gynoug is a horror-themed shoot'em up similar to Thunder Force and other horizontal shooters. But other than most of them where you play a spaceship of some sort, here you play as Wor, a member of the so-called 'Flying men' who look quite similar to angels. The home planet of these people, Iccus, has been taken over by a virus that has mutated into a collection of quite horrible creatures, and ev…