Kingdom Hearts is a videogame series for varying videogame consoles. To date, there have been 9 kingdom hearts video games. Kingdom Hearts, Kingdom Hearts Final Mix, Kingdom Hearts: Chain of Memories, Kingdom Hearts 2, Kingdom Hearts 2 Final Mix, Kingdom Hearts Re: Chain of Memories, Kingdom Hearts 358/2 Days, Kingdom Hearts Birth By Sleep, and Kingdom Hearts Coded. Each game has exceptional reviews and is incredibly fun. It involves characters from Disney and characters from other videogame series'. All and all, a great obsession.