Join the fight against the evil robot overlords and defend your world from their wrath. The robots have overthrown their human enslavers in their world and have travelled through time and space in search of the most powerful fighters! It is up to you to become the ultimate Guardian and slay all who stand in your way, with futuristic weapons and deadly traps! Fight in a multitude of Arenas, each with their own unique theme, style and environmental challenges! Play online or locally against your friends! Choose your Guardian and help defend their world from the robots.