At the beginning of a game, Ralph climbs up the apartment building, breaking windows as he goes. It is the player's job—as Felix—to repair each window with his magical hammer, while avoiding bricks that fall off when Ralph punches, and Duck Hunt-inspired ducks that fly horizontally across the screen at random. On some screens, if the player waits long enough, a Nicelander will appear in a window to drop off a pie which Felix can collect for a period of invincibility, faster fixing power and other effects depending on the version of the game.