1.Zombi u
2.Nintendoland
3.NSMBU
4.Sonic transformed
5.Assassins creed 3
6.COD black ops 2
7.Mass effect 3
8.Ninja gaiden RE
9.Need for speed MW
10.Lego city undercover
11.Pikmin 3
12.Wondeful 101
13.Rayman legends
14.Windwaker hd
15.COD ghosts
16.Assassins creed BF
17.Super mario 3d world
18.Sonic lost worlds
19.DK Tropical freeze
20.Mario kart 8
21.Bayonetta
22.Bayonetta 2
23.Hyrule warriors
24.Smash bros for wii u
25.Mario party 10
26.Splatoon
27.Yoshi wolly world
28.Mario tennis ultra
29.Xenoblade chronicles x
I think 13 out of 29 are developed by nintendo (not including hyrule warriors) , so 45 %.
