Which game will be 2015's best-selling exclusive?

[MikeRox]

Uncharted 4 IMO. Halo 5 possibly a close second. This will purely be down to differences in user base though. I.E Uncharted 4 selling to 30% of the PS4 user base would be the equivalent of Halo 5 selling to 60+% of the X1 userbase.