Battle in space with countless enemies and their bosses coming in waves. Lots of weapons, lots of lasers, lots of explosions and effects. Upgrade the starship to the most powerful machine for exterminating alien invaders. Galaxy Carnage, space battle, alien invaders, 2D arcade, shooter, spaceship, upgrade, laser weapons, shield, cosmic warfare, action game, casual game, mobile game, free to play, best space game, alien shooter, galactic combat, starship battle