| Quiz | # Taken | Best |
|---|
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with A | 24,908 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with B | 20,923 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with C | 19,982 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with D | 13,231 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with E | 11,392 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with F | 10,980 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with G | 13,048 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with H | 12,180 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with I | 10,100 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with J | 8,856 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with K | 10,663 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with L | 12,535 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with M | 17,177 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with N | 14,880 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with O | 8,580 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with P | 11,565 | - |
| 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 | 11,426 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with S | 18,072 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with T | 12,354 | - |
| 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 | 6,582 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with W | 7,801 | - |
| 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 | 5,409 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with Z | 6,258 | - |
