According to the Switch 1st year anniversary program at IGN Nintendo Voice Chat today, the 3 top selling 3rd party retail games on Switch during the first year are:
MOD EDIT: VGChartz data removed
I know it was discussed a lot during the last quarterly financial report which of the 3rd parties that were the million sellers. Seems like Pokken Tournament and Kingdom Battle were the titles.
The source and the dates for these numbers were not mentioned, but the 1st party sales numbers that were reported during the same show were Nintendo's official numbers up until December 31, 2017.
MOD EDIT: VGChartz data removed
I know it was discussed a lot during the last quarterly financial report which of the 3rd parties that were the million sellers. Seems like Pokken Tournament and Kingdom Battle were the titles.
The source and the dates for these numbers were not mentioned, but the 1st party sales numbers that were reported during the same show were Nintendo's official numbers up until December 31, 2017.