Pick your level
The same countries split three ways, by how often people actually get them wrong. Start easy and work up — each level keeps its own progress.
Other quiz types
Beyond countries
The same games applied to the geography that is not a country — states, rivers and oceans.
Ways to play
Ten ways to play the same countries. Switch any time — your progress follows you.
Lists
Hardest flags to guess
The flags people get wrong most often — obscure designs with close look-alikes. Ranked, with what makes each one difficult.
Flags that look the same
Chad and Romania, Monaco and Indonesia, Ireland and Côte d'Ivoire. Every confusable flag pair, with the detail that separates them.
Red, white and blue flags
All the national flags using red, white and blue — far more than most people expect, and a common source of quiz mistakes.
Newest flags
The most recently adopted national flags, from the newest design backwards, with the year each one came into use.
Oldest flags
The oldest national flag designs still flying today, ordered by the year each was adopted.
Flags with animals
Every national flag featuring an animal — eagles, lions, birds of paradise and one dragon. With what each animal represents.
How this site works
Every quiz here runs on the same set of 197 countries and territories, with flags, capitals, land area, population and borders drawn from one dataset. Pick a continent or a smaller region and the questions narrow to it.
Wrong answers are chosen deliberately rather than at random. A question about Chad will offer Romania; a question about Monaco will offer Indonesia. Guessing by elimination does not work, which is the point — those are exactly the pairs people get wrong in real life.
When a round ends you get a list of what you missed, and each entry links to a page about that flag: which colours it uses, when it was adopted, its proportions, and the flags it is most often confused with.
There is no account and no score history on a server. Your per-item accuracy is kept in your own browser so flashcard mode can lead with the items you are weakest on, and nothing is sent anywhere.
Frequently asked questions
Which quiz should I start with?
Start with the world flags quiz above. It draws from all 197 countries and shows you immediately which regions you are weakest in.
Do the quizzes work on a phone?
Yes. The map quizzes support pinch-to-zoom and drag, and every other mode is designed for one-handed use.
How do I learn the flags I keep getting wrong?
Every result screen lists what you missed, and each entry links to a page explaining that flag: its colours, its history, and the flags it is most often confused with.