Sony Computer Entertainment today announced it has shipped Uncharted 2: Among Thieves, the sequel to Uncharted: Drakes's Fortune exclusively developed by Naughty Dog for PS3. Uncharted 2: Among Thieves features up to 10 players in 5-versus-5 competitive gameplay. Cooperative multiplayer modes allow up-to-3 players to progress through a variety of environments by working together to accomplish set objectives. Utilizing a robust party system, groups of players will remain together in ranked and custom matches while earning currency, which used in combination with currency earned in single player missions, will unlock additional content and upgrades.