| Quiz | Takes | Points | Best |
|---|---|---|---|
| Countries, U.S. States, and Capitals by First Two Letters | 483,799 | 0 | - |
| Countries by First Two Letters in 90 Seconds | 5,584,180 | 0 | - |
| Countries by Borders in 90 Seconds | 3,797,960 | 0 | - |
| US States by Borders in 30 Seconds | 2,662,817 | 0 | - |
| Countries by First and Last Two Letters | 1,801,805 | 0 | - |
| Countries of the World Quiz | 46,861,463 | 0 | - |