Not gonna check because I'm lazy, but I know the rough estimates.
1. Splatoon (100ish hours)
2. Call of Duty: Black Ops 2 (80ish hours)
3. Super Smash Bros. for Wii U (45ish hours)
4. Wii Fit U (45ish hours)
5. Mario Kart 8 (45ish hours)
Upcoming Games To Get
Definite: Kirby Star Allies (Switch), Mario Tennis Aces (Switch), Fire Emblem (Switch), Yoshi (Switch), Pokemon (Switch), Kingdom Hearts 3 (PS4), Monster Hunter World (PS4)
Considering: Fe (Switch), Donkey Kong Country Tropical Freeze (Switch), The World Ends With You (Switch), Ys VIII (Switch), Street Fighter V: Arcade Edition (PS4), Kingdom Hearts 2.8 Remix (PS4), The Last Guardian (PS4), Shadow of the Colossus HD (PS4), Anthem (PS4), Shenmue 3 (PS4), WiLD (PS4)