SanAndreasX on 17 January 2015
Nintendo - 4
Namco - 3
Atlus - 2
Square Enix -1
Sega - 1
Xseed - 1
Natsume - 1
Aksys - 1
29% first party. The 3DS has the highest third-party ratio of any Nintendo handheld I've owned. With the Game Boy, GBA, and DS, my libraries are heavily Nintendo-skewed.