War of circles: Red vs. Black

Details

A brand new exciting bubbles game! Fight against the red bubbles that are coming from the top of the screen, and save the black bubbles. Easy right? Well, not so easy, because the speed increase second by second, so you must be very smart and very quick to win against the other gamecenter players! Features: 1) single tap Endless game 2) gamecenter to challenge your friends 3) Share your score on social networks Enjoy the game!