sTail is a game made during the Games [4Health] Jam 2012. The project brief was to make a game to get people to move more in public spaces. Stail does this by projecting a virtual tail behind everyone who walks inside the playing field. Players can steal part of the tails of others by running over them, extending their own tail. Without a specific win-state the game is similar to tag in that it players can play as short or long as they want, jumping in and out of the game as they walk along.