Stylistically rooted in 1980s thrash metal the band have stated influences include acts such as Nuclear Assault, Kreator, Agent Steel, Sodom, old Slayer, and early Megadeth. Gama Bomb's lyrics often refer to the horror, action and science fiction movies, cartoons and computer games of the 1980s, as well as paying tribute to many classic heavy metal themes. The band is known for injecting their own sense of humor into their lyrics, with bizarre song concepts which lampoon classic thrash metal topics. Recurrent themes to be found in Gama Bomb songs are cannibalism, war, zombies, human sacrifice, ghosts and murder, but also racism and global warming.