Quiz - GeoGuessr

Europe: Flags - Flag Quiz Game - Seterra

GeoGuessr (the game) has flags for (most of) the countries and territories of the world. Here are some of them. : r/vexillology

GeoGuessr: Crazy for Country Flags Game - Epic Guesses and Massive Fails (Play-Along)

Malaysia: Flags of States and Federal Territories - Flag Quiz Game - Seterra

270+ Countries, Regions and Territories: Flags - Flag Quiz Game - Seterra

GeoGuessr World Flag Hunt: Join Me To Find Flags Across the Globe!

North and Central America: Flags - Flag Quiz Game - Seterra

GeoGuessr: Fun with Flags - American gets lost in the Baltics (Play-Along)

Wondering what flag it is. I found it on geoguessr on city called Olgij, located in western Mongolia. Does anyone have any idea? : r/vexillology

A flag database that lets you search for flags based on their colors and designs : r/geoguessr