| Quiz | # Taken | Best |
|---|
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with A | 24,896 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with B | 20,914 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with C | 19,975 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with D | 13,226 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with E | 11,387 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with F | 10,977 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with G | 13,045 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with H | 12,177 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with I | 10,097 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with J | 8,854 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with K | 10,661 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with L | 12,529 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with M | 17,172 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with N | 14,877 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with O | 8,579 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with P | 11,564 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with Q | 4,796 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with R | 11,425 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with S | 18,067 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with T | 12,349 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with U | 7,309 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with V | 6,581 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with W | 7,800 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with X | 3,412 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with Y | 5,408 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with Z | 6,258 | - |
