4. Time Limit - The game has a time limit, which adds pressure and makes the game more exciting. The time limit varies depending on the level of difficulty.

5. High-Quality Graphics - The game has excellent graphics that make playing the game enjoyable. The graphics include flags, maps, and images of cities.

How to Play:
Playing Capitals of the world - quiz is easy and straightforward. Here is a step-by-step guide on how to play the game:

Step 1: Install the Game - Go to the Google Play Store and install Capitals of the world - quiz.

Step 2: Choose a Level of Difficulty - The game has four levels of difficulty to choose from. The levels range from Easy to Expert. Choose a level that suits your skill level.

Step 3: Start Playing - The game will display a country's flag, and you will have to guess the capital of that country. You have to type the name of the capital into the text box and click on the "submit" button.

Step 4: Get Points - You get points for every correct answer. The game deducts points for every incorrect answer.

Step 5: Use Hints and Clues - If you are stuck on a question, you can use the hints or clues provided by the game. Hints include the country's flag, while clues give more information about the country or its capital.

Step 6: Beat the Time Limit - The game has a time limit that varies depending on the level of difficulty. If you answer all questions before time runs out, you get bonus points.

Step 7: Reach the High Score - The game has a leaderboard that displays the highest scores of players. Reach the top of the leaderboard by scoring more points.

Conclusion:
Capitals of the world - quiz is an exciting and educational game that tests your knowledge of the world's capitals. The game has four levels of difficulty and provides hints and clues to help you answer questions. The game also has a time limit, leaderboard, and high-quality graphics. By following this walkthrough, you can play the game with ease and enjoy learning more about the world.