Mr Bullet Online is een natuurkundig schietspel. Gebruik wat natuurkundige kennis om de vijand te doden.
In Mr. Bullet games, all you need to do is kill the bad guys without running out of bullets! Overcome difficult challenges, show off your precise accuracy, and aim at enemies. A group of unknown ninjas has suddenly attacked your city. As a mercenary, you raise your gun again, fight for your city, and defend your city.