Question: what order to play the kingdom hearts series?
Answer: 1) Kingdom Hearts.
2) Kingdom Hearts: Chain of Memories.
3) Kingdom Hearts: 358/2 Days.
4) Kingdom Hearts II.
5) Kingdom Hearts Re: Coded.
6) Kingdom Hearts: Birth By Sleep.
7) Kingdom Hearts: Dream Drop Distance.
8) Kingdom Hearts 0.2: Birth By Sleep – A Fragmentary Passage.