This site contains country flags included in various online Nintendo games.Both the flag guides and individual country pages are included, so you can see the evolution of your country flag throughout the games.Note: No modded flags are included.
The following games are included on this site:
Mario Kart Wii (2008)
Mario Kart 7 (2011)
Nintendo Land (2012)
Mario Kart 8 (Wii U) (2014)
Super Mario Maker (2015) + Bookmark (late 2015, contains additional flags)
Mario Kart 8 Deluxe (2017)
Super Smash Bros. Ultimate (2018)
Super Mario Maker 2 (2019)
Bonuses:
Mario Party 1 to 3 (1998 to 2000) | Language selection (Europe only)
Nintendo Zone (200?) | Unknown use
Wii Music (2008) | Used to showcase the country of origin for a particular song