How to play:
- Game Mode: America, Europe, Asia, Africa, All countries.
- All countries: divided into 8 levels. In each level they are 25 questions.
- For each question, 4 possible answers are provided.
- By incorrect answer you get 3 seconds penalty.
- Registration of personal time in the leaderboard.
- Publishing your best time (milliseconds).
- In the game mode "All countries" you can publish the average best time (in milliseconds) of all levels.
- Vibration (ON/OFF) for each wrong answer
- Sound (ON/OFF)
- Time (ON/OFF)