Ultrashroomz on 03 May 2018
As of May 3rd 2018:
10. The Legend of Zelda: Breath of the Wild (NSW)
9. Super Mario Odyssey (NSW)
8. Crash Bandicoot: Warped (PS4)
7. Mega Man X (SNES)
6. Metroid Prime (Wii)
5. Paper Mario: The Thousand Year Door (GCN)
4. Xenoblade Chronicles (Wii)
3. Persona 4 Golden (PSV)
2. Persona 3 FES (PS2)
1. Persona 5 (PS4)
"Just for comparison Uncharted 4 was 20x bigger than Splatoon 2. This shows the huge difference between Sony's first-party games and Nintendo's first-party games."
