The top free iPhone application by country* for the week, by number of downloads, recorded on August 9.

1. US
Civilization Revolution (games)

Civilization Revolution is a strategy game where players wage war and form alliances with neighboring nations to build the most powerful empire. Players can choose to lead one of 16 different civilizations to victory, gaining additional strength and new abilities as they destroy their enemies.

2. UK
Chicks (games)

Chicks is a Lemmings-inspired platform game that takes you and your chicks on an obstacle-filled adventure. Players must instruct their chicks to dig, parachute, build stairs and to activate nuclear bombs to make it through 32 levels of deserts, glaciers and jungles

3. France
Mega Jump (games)

Players of the platform jumping game Mega Jump will be launching their characters into the stars in their quest to collect coins and reach new heights. Each time the character touches a coin, grabs a fire ball or jumps through a Super Nova Mega Boost, he soars higher into the sky. If he starts to fall too far down without landing on an object the game is over. The game teams cute animation with addictive game play.

4. Canada
Civilization Revolution (games)

See ‘Civilization Revolution'

5. Japan
Adobe Ideas 1.0 for iPhone (entertainment)

Adobe Ideas 1.0 for iPhone is an application that helps you draw, sketch and illustrate your ideas. Consumers can use the app to sketch their thoughts, create shapes using the simple vector-based drawing tools, capture and store color themes, and craft multiple layer images. Drawings can be exported as PDF files for later editing in Photoshop or Illustrator.

6. Australia
Chicks (games)

See ‘Chicks'

7. Germany
Civilization Revolution (games)

See ‘Civilization Revolution'

8. China
Mega Jump (games)

See ‘Mega Jump'

9. Italy
Retina Wallpapers HD - 640x960 Wallpaper and Background (entertainment)

Retina Wallpapers HD provides users with a selection of more than 10,000 different high resolution wallpapers for use on their iPhone. Users can use the app to personalize their homescreen or wallpaper by choosing one of thousands of images of cats, cars, countryside landscapes, clouds or colorful abstracts.

10. Korea

???? ("the meaning of names" in English) is an application that helps people find out the meaning of their names and helps parents to choose a name with "good energy" for their baby. The application evaluates the sounds, origins and etymology of different Korean names to decipher the "hidden secrets" of its meaning.

(*The countries listed are those markets in which the most iOS devices have been sold worldwide. The list of top ten countries is based on AdMob's April 2010 estimate of the worldwide iOS User Distribution.)