Tough one, 2015 will be crowded with many quality games.
But I believe the winner need to be either Sony or Nintendo. There's not much contest from Microsoft's part against games like Zelda and Bloodborne.
Answering directly, I'll pick Nintendo, since Zelda is by far the most iconic and innovative franchise releasing this year imho.
Bet with Teeqoz for 2 weeks of avatar and sig control that Super Mario Odyssey would ship more than 7m on its first 2 months. The game shipped 9.07m, so I won








