Question: which kingdom hearts game to buy?
Answer: 1) Kingdom Hearts. The original game is the best place to start. ... 
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.