Mixing elements of graffiti tagging and a Google Maps mashup, Urban Takeover is a mixed reality game that takes place both online and in the “real” world. The goal of the game is to put special stickers with your name/tag on buildings, or any other stationary object and claim it as your own. You then text the Urbantakeover website to get listed on their map of owned locations. It's a worldwide competition to get the most territories, and you can play in teams or by yourself. Others can try to take over your spots, and you're alerted via text if a counter attack is desired. The game originated in Vienna, and takeovers are now being sighted on the Golden Gate Bridge and Google HQ.