1- Pokémon RGB: over 1000 hours
2- Diablo III: over 500 hours
3- TLoZ: Ocarina of Time: over 200 hours
I also tend to spend more than 100h in every main pokémon game, as well as Souls games, Zeldas and Personas (mostly during vacations).
Bet with Teeqoz for 2 weeks of avatar and sig control that Super Mario Odyssey would ship more than 7m on its first 2 months. The game shipped 9.07m, so I won