The general goal throughout the series is to complete the levels by strategically placing bombs in order to kill enemies and destroy obstacles. Exploding bombs can set off other bombs, kill or injure enemies, and destroy obstacles. However, they can also kill or injure the player character, destroy powerups, and sometimes "anger" the exit, causing it to generate more enemies. Most Bomber games also feature a multiplayer mode, where other Bomber act as opponents, and the last one standing is the winner. In this mode, powerups are plentiful. Although most games in the Bomber series use the same type of maze-based levels established by the original game