Tumble Pop - In-Box - GameBoyTumble Pop is an action game, developed by Data East and published by Sunsoft, which was released in 1993. The Game Boy version incorporates a world map that doesn't resemble Earth; levels are contained in different cities on that map that the player can walk between (similar to the style of the world map in Commander Keen). If a city proves too difficult, it is also possible to drop out of it and come back later (though not if the Game Boy is turned