I decided on which I play the most and that is my WiiU. 3DS has so many games I love, but ever since I bought my WiiU it has been increasingly neglected. I still have a lot of becklog to get through on both consoles though.

Console: Wii U
Library: 3DS

Both are great, but 3DS has the edge for me as I prefer its 3D and other features. The exclusives are fairly even though IMO.

Well, I have many games for both in my backlog so I'm not the most informed, but in my limited time with both, I'd say 3ds just by a hair. Both are two of my favorite consoles ever.

3DS - Luigi's Mansion: DM, Zelda: ALBW, Resident Evil: Revelations, Pokemon: OR/AS; X/Y, Monster Hunter 4U, Ocarina of Time 3d, SMT IV, and Bravely Default. I haven't even gotten to Majora's Mask 3D, Code Name: Steam, Fire Emblem or Animal Crossing yet, not to mention Kid Icarus, Kingdom Hearts: DDD, Starfox 64 3D, etc. So much variety and incredible experiences.

Wii U - Mario Kart 8, Smash Bros, Bayonetta 2 (and 1), DK: TF, Hyrule Warriors, ZombiU, Wonderful 101, Splatoon, and Super Mario 3D World. Still on my backlog: Windwaker HD, Captain Toad, Kirby, and Pikmin 3. Lots and lots of fun with amazing games, but not quite to the level of 3ds.

I think my experience on 3DS has been more well-rounded, but it's so close. Almost too tough to decide. I'd say 55% in favor of 3ds, 45% Wii U.

Upcoming titles, I'm way more excited for Wii U than 3DS, though.

i have both. i've picked Wii U for better graphics on the games. i know 3Ds offers more games but even i have 3Ds i play it at home and i feel dizzy when traveling via bus or train while playing 3Ds.