Mayhem Intergalactic is on sale for $9.99, a 50% saving on the usual price of $20, until the end of April, Inventive Dingo announced. Mayhem Intergalactic is a streamlined yet engaging "arcade strategy" game of interstellar conquest where players must assemble gigantic fleets of warships, then take on rival empires in an epic struggle for control of the universe. Mayhem Intergalactic can be purchased from its official website.