| Quiz | Takes | Points | Best |
|---|---|---|---|
| Countries by Borders in 90 Seconds | 3,825,717 | 0 | - |
| US States by Borders in 30 Seconds | 2,679,229 | 0 | - |
| Longest International Borders | 264,810 | 0 | - |
| Border Crossings Quiz #1 | 208,331 | 0 | - |
| One Border Countries | 468,135 | 0 | - |
| Countries That Border Russia | 461,464 | 0 | - |
| Countries with the Longest Total Borders | 312,484 | 0 | - |