I am sure there was no doubt, but Mario took this month.
September 2020
1. Super Mario 3D All-Stars
2. Minecraft
3. Ori and the Will of the Wisps
4. Animal Crossing: New Horizons
5. Hades
6. Nexomon Extinction
7. Mario Kart 8 Deluxe
8. Spiritfarer
9. Minecraft Dungeons
10. Stardew Valley
11. Kirby Fighters 2
12. Zelda: Breath of the Wild
13. Super Mario Odyssey
14. Super Mario Party
15. RollerCoaster Tycoon 3 Complete Edition