Yakuza 4 (龍が如く4 伝説を継ぐもの, "Ryū ga Gotoku 4: Densetsu wo Tsugumono", lit. "Like a Dragon 4: Successor of the Legend"), is a video game developed and published by Sega exclusively for the PlayStation 3. The game was announced on July 24, 2009. A promotion video was presented at the 2009 Tokyo Game Show and a preview presenting the main story was released on January 13, 2010. The game is the sequel to Yakuza 3 and was released on March 18, 2010 only in Japan. A playable demo was released to the Japanese PlayStation Store on March 5, 2010. The game has been confirmed for a North American and European release by Sega with a Q1 2011 release. Source: Wikipedia, "Yakuza 4", available under the CC-BY-SA License.