Tumble Pop

Tumble 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 off, due to a password-saving system). The enemies in a given city approximately correspond to those in an area in the arcade version, though there is not necessarily any link between the cities of the world and the cities of Tumblepop. In addition, the Game Boy version incorporates a shop in which players can spend their points to buy power-ups.

Source: TheGamesDB