| Quiz | # Taken | Best |
|---|
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with A | 24,750 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with B | 20,828 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with C | 19,898 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with D | 13,168 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with E | 11,333 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with F | 10,927 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with G | 12,990 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with H | 12,128 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with I | 10,051 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with J | 8,806 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with K | 10,611 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with L | 12,471 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with M | 17,102 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with N | 14,821 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with O | 8,540 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with P | 11,510 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with Q | 4,769 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with R | 11,381 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with S | 17,996 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with T | 12,297 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with U | 7,280 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with V | 6,553 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with W | 7,768 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with X | 3,397 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with Y | 5,385 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with Z | 6,232 | - |
