| Quiz | # Taken | Best |
|---|
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with A | 25,011 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with B | 21,003 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with C | 20,056 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with D | 13,296 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with E | 11,447 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with F | 11,035 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with G | 13,101 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with H | 12,234 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with I | 10,148 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with J | 8,900 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with K | 10,713 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with L | 12,589 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with M | 17,240 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with N | 14,925 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with O | 8,626 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with P | 11,615 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with Q | 4,815 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with R | 11,471 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with S | 18,131 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with T | 12,405 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with U | 7,338 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with V | 6,611 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with W | 7,828 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with X | 3,428 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with Y | 5,439 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with Z | 6,277 | - |
