Capital quiz: Europe 1.6

for rio Paris(R301)

With this free quiz you can learn the capital cities in Europe playfully.
This quiz covers all the main cities of Europe countries.

How to play:
- You can choose between three difficulty levels (Easy, Medium, Hard).
- 20 questions in each level
- For each question, 4 possible answers are provided.
- By incorrect answer you get 3 seconds penalty.

Other Functions
- Registration of personal time to the leaderboard.
- Vibration (On / Off) for each wrong answer.
- Sound (On / Off)
- Time (On / Off)