It should have been just another tourist trip for Jack Hard, but instead he's caught up in a global conspiracy. The notorious terror organisation, United Arms, has discovered a new energy source on the sea bed that will change the world forever, but not for the better. The terrorists are planning to use this energy to build a weapon of mass destruction.
Red Ocean demands that you fight in breathtaking shoot-outs through claustrophobic corridors, underground loading depots and secret laboratory installations to stop the global catastrophe. But you must remember - you are on the ocean floor, and millions of cubic metres of water are pressing down above you. Each breath you breathe could be your last.