1. Earthbound (89:37)
2. Pikmin 3 (74:26)
3. Bayonetta 1 (65:33)
3. Bayonetta 2 (54:21)
5. Earthbound Beginnings (50:25)
=  Super Smash Bros. U (50.25)

7. Yoshi's Woolly World (45:41)
8. Donkey Kong 64 (42:22)
9. Paper Mario (41:45)
10. Super Mario 3D World (37:26)

Yeah, my Wii U hasn't got anywhere near as much time as my 3DS, but still decent enough.

Current - As you can see, I play a lot of Wii U.

1.) Splatoon - 131:32

2.) Monster Hunter 3 Ultimate - 105:35 (Plus 255 hours if I include the 3DS ver)

3.) Hyrule Warriors - 72:18

4.) Super Smash Bros 4 Wii U - 69:26

5.) Mario Kart 8 - 54:21

6.) Xenoblade Chronicles X - 52:42 (still playing and I expect this to be played around 150 hours)

7.) Mass Effect 3 - 29:12

8.) Assassin's Creed IV: Black Flag - 27:19

9.) Watch_Dogs - 26:45

10.) Assassin's Creed III - 20:04

11.) Bayonetta 2 - 19:26 (honorable mention since I played another 9 hours since last time)

Previous

1.) Monster Hunter 3 Ultimate - 105:10 - (Plus 255 hours if I include the 3DS ver)

2.) Splatoon - 100:04

3.) Super Smash Bros for Wii U - 68:18

4.) Hyrule Warriors - 67:18

5.) Mario Kart 8 - 51:27

6.) Assassin's Creed IV Black Flag - 27:19

7.) Watch_Dogs - 24:54

8.) The Wonderful 101 - 17:49

9.) LEGO City Undercover - 15:23

10.) Bayonetta 2 - 10:59

1. Super Smash Bros. for Wii U - 144:34
2. Mario Kart 8 - 107:51
3. Splatoon - 91:55
4. Super Mario Maker - 56:20
5. Super Mario 3D World - 45:19

Tagging

LOL :D

oh gosh, here i go...

(Miiverse-- 3823:59)

Rayman Legends (including challenges app)-- 565:36

Super Smash Bros.-- 219:24

Splatoon-- 177:29

Mario Kart 8-- 159:05

Scribblenauts Unlimited-- 146:08

(eShop-- 76:03)

i never expected to have that many hours in for Rayman. I havent played that game in almost 2 years

Hyrule Warriors-80 hours
Watch Dogs-65 hours
Mario Kart 8-60 hours
Lego City Undercover-56 hours
Mario 3D world- 45 hours
Mass Effect -45 hours
Wind Waker HD-42 hours
Smash Bros-37 hours
Splatoon-36 hours
Batman Arkham Origins-34 hours
Mario Maker-32 hours

Previous
1. Super Smash Bros U 266:10
2. Mario Kart 8 186:30
3. Splatoon 128:52
4. Assassin's Creed IV 70:26
5. Mario 3d World 64:42
6. Lego City Undercover 64:36
7. Arkham City 47:53
8. DK: Tropic Freeze 41:15
9. ZombiU 33:20
10. Wind Waker 31:35

Current
1. Super Smash Bros U 269:47
2. Mario Kart 8 194:40
3. Splatoon 171:58
4. Assassin's Creed IV 70:26
5. Mario 3d World 67:00
6. Lego City Undercover 64:36
7. Wind Waker HD 61:40
8. Xenoblade Chronicles X 51:03
9. Arkham City 47:53
10. DK: Tropic Freeze 41:15

The only games to see major changes are Splatoon and WWHD. Xenoblade is the only new game and should be up in 4th place soon. I also played about 30 hours of Mario Maker and Yoshi Wolly World but not enough to make the list.

1. Super Smash Bros. for Wii U (277:58)
2. Splatoon (71:03)
3. Nintendoland (34:02)
4. Mario Kart 8 (32:22)
5. Wind Waker HD (23:33)

also, it's not a game but I have Netflix at 58:23

If you couldn't tell I played a lot of Smash

This Month ?

1. Xenoblade Chronicles X Wii U [62:13]
2. Mario Kart 8 [58:34]
3. Harvest Moon: Friends of Mineral Town (GBA) [46:01]
4. Super Mario Maker [24:22]
5. Super Smash Bros. for Wii U [11:05]
6. Splatoon [08:46]
7. Mario Tennis: Ultra Smash [04:58]
8. Yoshi's Wooly World [02:35]
9. Fatal Frame: Maiden of Black Water [00:45]
10. Pikmin 3 [00:33]

I exclude applications like internet browser , youtube, netflix, and some games I've played saw very few minutes as Bayonetta 2 , Mario Party 10 , Monster Hunter 3 Ultimate.