Kingdom Rush: Frontiers

Kingdom Rush is a 2011 tower defense game developed by Ironhide Game Studio and published by Armor Games. In the game's medieval fantasy setting, players take control of a general serving under King Denas of Linirea, who must defend the land from an onslaught of evil monsters. Each level is composed of a number of pre-set roads, which the player can place defensive towers around to fight off the approaching monsters. Slaying enemies gives the player gold, which they can use to buy new towers or upgrade existing ones to improve their capabilities. Kingdom Rush was developed over the span of six months by the Uruguay-based developer Ironhide Game Studio.