The Coral Sea Challenge has officially started. Playstation 3 and Xbox 360 owners all over the globe are fighting to be the first to get the Coral Sea map unlocked. The first console to hit 43 million kills gets the map first. Currently, Xbox Live is leading PSN by 271,000 kills. The last update has XBL at 805095 and PSN at 534043 kills. The weekend should determine how the rest of the challenge will play out.