Gray Square Dev

Gray Square Dev published 2 applications on Google Play, 1,091 people rated these apps with an average rating of 4.05!

Geography of Russia by Gray Square DevGeography of Russia

Rated 4.14(1,025) — Gray Square Dev

This is a quiz game about the geography of Russia. Test your knowledge of Russian cities and federal subjects!

Free Game
Geography of the USA Quiz by Gray Square DevGeography of the USA Quiz

Rated 3.97(66) — Gray Square Dev

This is a quiz game about the geography of the United States of America. Test your knowledge of the USA states in the series of challenges! Do you know what is the capital of the state of New York, what is the nickname of California or what river is...

Free Game