John Solver is a character in the Game & Watch series who appears in Bomb Sweeper, a maze game. In the game, a man named Jack tries to blow up an underground maze with bombs. John Solver is sent by his boss down the maze to defuse them. John has the ability to push large walls to make his way to the hidden bomb. However, if John takes to long, the bomb will explode, causing him to lose a life. If he pushes a wall into the wrong area, John might get trapped, forcing him to lose a life. John Solver must move quickly and push the walls into the right areas to defuse all the bombs.