METAL GEAR ONLINE - WORLD PREMIERE TRAILER | KONAMI (ESRB),Games,,METAL GEAR ONLINE - WORLD PREMIERE TRAILER | KONAMI (ESRB) http://www.konami.jp/mgs5/tpp/en/online/?kj=yt_mgowpt METAL GEAR ONLINE (MGO), returns as the multiplayer mode for the upcoming METAL GEAR SOLID V: THE PHANTOM PAIN.