small44 on 22 July 2015
Halo 5 lifetime easly but Splatoon can sell more then Halo 5 in 2015
PS4 - over 100 millions let's say 120m
Xbox One - 70m
Wii U - 25m
Vita - 15m if it will not get Final Fantasy Kingdoms Heart and Monster Hunter 20m otherwise
3DS - 80m