| Quiz | # Taken | Best |
|---|
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with A | 24,642 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with B | 20,739 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with C | 19,829 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with D | 13,112 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with E | 11,284 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with F | 10,877 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with G | 12,944 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with H | 12,080 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with I | 10,005 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with J | 8,768 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with K | 10,567 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with L | 12,426 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with M | 17,038 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with N | 14,771 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with O | 8,498 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with P | 11,470 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with Q | 4,745 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with R | 11,339 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with S | 17,938 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with T | 12,249 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with U | 7,252 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with V | 6,521 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with W | 7,737 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with X | 3,382 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with Y | 5,356 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with Z | 6,207 | - |
