KOEI today announced that Dynasty Warriors Vol. 2 has shipped to retailers throughout North America, exclusively for PSP. For the first time, up to 4 players can engage in multiplayer combat including a Battle Royal mode. Players can now unlock up to 300 officers (three times as many as the original), and then wirelessly trade these officers with other players. Players can also manage a stable of up to 8 horses and elephants. Each mount will gain experience during battle and will prove a valuable military asset when setting out to conquer the game’s more than 50 stages and 31 maps. Check full article for more details.