You should buy the one you would prefer.
Once completed, trade it in and buy the other.
Your choice, there is no right and wrong.
Asking us is our opinion on our preferences and personal taste. Which is completely non indicative of yours as we do not personally know you.
Read the reviews, decide whether you want to play a single player game or a multi player based game first.
These type of threads really serve no purpose. You will end up doing exactly as I have said 'choosing based on your own preference' regardless of answers posted here. We have been down this road a million times at MacRumors console forum.