Hardcore Gamer: Kingdom Hearts is no longer a fractured franchise. In the past, to enjoy the full story of the franchise required a PS2, Nintendo DS, PSP and Nintendo 3DS. That is no longer the case thanks to the release of Kingdom Hearts HD 1.5 + 2.5 Remix. Now you can play every single Kingdom Hearts game on PS4 in the lead-up to Kingdom Hearts III. For players new to the franchise, this raises quite the conundrum, what order should they play the games?