Xenoblade Chronicles-300 hours and counting from 2 full Wii play-throughs and now about a 4th of the way through the 3DS port.
The Legend of Zelda: Ocarina of Time-I've played it so many times that I'm definitely in the 150 hour range.
Fire Emblem: Awakening-130 hours from 2 play throughs.
The Sims and The Sims 2 were both probably in the hundreds of hours back in the day.
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)
