Classic multi-directional (360°) shoot ‚em up. Navigate your UFO through hazardous environments with dangerous enemies and beat huge bosses! Features Levels full of non-stop action, including highly hazardous environments: Underwater, Volcano, Space, Dark Cave Huge bosses that pack a punch. Boss rush extra mode. Optional scanline screen FX, as seen in trailer. 10 weapons (two same weapons stack up to higher power). Steam Trading Cards.