Universal Flags League
Vexium
A Duolingo-inspired flight academy for memorizing every flag flown by sovereign states, permanent observers, and dependent territories – powered by real artwork hosted on Wikimedia Commons.
Mission Deck
0 flags
Ready for liftoff!
Create your cadet profile
Reserve a spot on the Vexium flight deck with an email address and a strong password. We'll simulate a quick signup so you can jump straight into training.
Which country or observer uses this flag?
5.0
seconds to decide
Universal Gallery
Browse every sovereign state, observer, and dependent territory.