Venturebeat fixed a mistake regarding on what platform Fallout 4 sold better in December. They first said XB1>PS4 but have changed it to PS4>XB1.
December 2015:
1. Call of Duty: Black Ops III (Xbox One, PS4, 360, PS3, PC)
2. Star Wars: Battlefront (Xbox One, PS4, PC)
3. Fallout 4 (PS4, Xbox One, PC)
4. Madden NFL 16 (PS4, Xbox One, 360, PS3)
5. NBA 2K16 (PS4, Xbox One, 360, PS3)
6. Grand Theft Auto V (PS4, Xbox One, 360, PS3, PC)
7. Tom Clancy’s Rainbow Six: Siege (Xbox One, PS4, PC)
8. Minecraft (360, Xbox One, PS4, PS3)
9. Minecraft: Story Mode: A Telltale Game Series (360, Xbox One, PS4, PS3)
10. FIFA 16 (PS4, Xbox One, 360, PS3)