Ummm.... Mass Effect took the theatrical approach as well, and while GTA 4 doesn't have as many "choose your path" elements as Mass Effect does, the two took the same approach (For instance, when your chasing one guy in GTA 4 and he gets to the top of the building and falls off the edge and is hanging there, you have the choice to kill him or save his life. Also, based on the choices you make in the game and who you associate with,
Originally Posted by Soshi Kitai
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You choose if your brother Roman dies or not
For me, it doesn't really matter, I like both equally and won't choose one over the other.