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