For January 2016, the NPD found that Call of Duty: Black Ops 3 outsold the competition on the software side of things. Meanwhile, the PlayStation 4 once again was the best selling hardware platform. This is all despite the fact that overall hardware and software sales were down compared to January 2015.
NPD January 2016 - Software Sales
  1. Call of Duty: Black Ops III (Xbox One, PS4, 360, PS3, PC)
  2. Grand Theft Auto V (PS4, Xbox One, 360, PS3, PC)
  3. NBA 2K16 (PS4, Xbox One, 360, PS3)
  4. Star Wars: Battlefront (Xbox One, PS4, PC)
  5. Fallout 4 (PS4, Xbox One, PC)
  6. Minecraft (360, Xbox One, PS4, PS3)
  7. Tom Clancy's Rainbow Six: Siege (Xbox One, PS4, PC)
  8. Madden NFL 16 (PS4, Xbox One, 360, PS3)
  9. Lego Marvel Avengers (PS4, Xbox One, 360, Wii U, PS3, 3DS, Vita)
  10. FIFA 16 (PS4, Xbox One, 360, PS3)

Compared to 2015, hardware sales were down 15%, retail game sales were down 10%, and game sales in general were down 4%.