Borderline

Two countries, one question. Tap the one that answers it.

Geography quizNo adsFree to play
Download Borderline on the App Store Need help? Support is below ↓
Two countries, one answer Collect all 193 countries One mistake and it’s over More ways to play Race the clock in Rush Mode Learn something every round
About the app

Two countries, one question. Tap the one that answers it. Flags, capitals, borders, populations and areas across all 193 UN member states, getting harder the longer you last. Every correct answer adds to a collection you build one country at a time.

193 countries

Every UN member state, with questions drawn from real data.

Build your collection

Each correct answer adds an entry to your collection. Collect all 193 countries.

More ways to play

Try Rush mode against the clock, or Hardmode where there are no easy questions.

Support

Help with Borderline

Contact support

If you spot anything that's wrong, or want to suggest an improvement, please get in touch. Mention Borderline in your email.

Privacy policy

What Borderline collects, who it is shared with, and how to delete it.

Read the policy →