PlayStation 2 video game "God of War" (2005), based on Greek mythology, features an event in the first part of the game where protagonist Kratos can have sex with two topless prostitutes, who reside in a bedroom on his boat. Although no sexual acts are depicted (they occur off-screen and are indicated by sound effects), the women are shown topless. The player interacts by performing button and joystick commands that appear on screen which results in an experience reward for the player. This type of sex mini-game became a prominent feature for the "God of War" series, being included in its sequels "God of War II" (2007), ' (2008), "God of War III" (2010), and ' (2010), with the latter being the final game to feature it.