I've made a list of the best-selling games:
1. Call Of Duty: Ghosts (PS4, X1, Wii U): 4.57m
2. New Super Mario Bros U (Wii U): 4.16m
3. Battlefield 4 (PS4, X1): 3.44m
4. Watch Dogs (PS4, X1): 3.46m
5. FIFA 14 (PS4, X1): 3.36m
6. Nintendo Land (Wii U): 3.09m
7. Mario Kart 8 (Wii U): 2.82m (Officially Stated By Nintendo)
8. Assassin's Creed IV: Black Flag (PS4, X1, Wii U): 2.78m
9. Super Mario 3D World (Wii U): 2.21m
10. Killzone: Shadow Fall (PS4): 2.10m (Stated officially by Sony)
11. Titanfall (X1): 2.06m
12. NBA 2K14 (PS4, X1): 1.62m
13. inFamous: Second Son (PS4): 1.49m
14. Forza Motorsport 5 (X1): 1.43m
15. Need For Speed: Rivals (PS4, X1): 1.38m
16. Wii Party U (Wii U): 1.33m
17. Madden NFL 25 (PS4, X1): 1.25m
18. LEGO Marvel Super Heroes (PS4, X1, Wii U): 1.17m
19. Knack (PS4): 1.13m
20. Dead Rising 3 (X1): 1.08m
Publisher-Wise Breakdown (in brackets = total sales ; out of brackets = sales of games in the top 20 bestsellers list)
1. Nintendo: 13.60m units (17.96m)
2. Electronic Arts: 11.48m units (13.06m)
3. Ubisoft: 6.24m units (9.36m)
4. Activision Blizzard: 4.57m units (6.10m)
5. Sony Computer Entertainment: 4.72m units (5.86m)
6. Microsoft: 2.51m units (3.73m)
7. Warner Bros. Interactive: 1.17m units (2.62m)
8. Take-Two Interactive: 1.62m units (1.66m)
Trivia:
- New Super Luigi U is not included in the list because it is DLC.
- Nintendo dominates the list with 13.55m software units sold from games in the list.