One Piece: Pirate Wars

One Piece: Pirate Wars is a real-time strategy game released in Japan for the Steam.

Dream Story
This game has its own storyline, named as Dream Story, which sees a three-way battle between a Pirate Alliance formed by the Straw Hat Pirates and the Whitebeard Pirates, Sakazuki's post-timeskip Marine Headquarters and the "Great Pirate Alliance" founded by the ultimate bosses of the game Gekko Moriah and Marshall D. Teach, along with other past enemies.

For more of it's storyline, See One Piece: Pirate Wars Campaign

Units and Buildings
See List of One Piece: Pirate Wars Units

See List of One Piece: Pirate Wars Buildings