| Quiz | # Taken | Best |
|---|
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with A | 26,048 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with B | 21,807 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with C | 20,773 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with D | 13,836 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with E | 11,904 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with F | 11,505 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with G | 13,587 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with H | 12,708 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with I | 10,577 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with J | 9,265 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with K | 11,131 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with L | 13,116 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with M | 17,858 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with N | 15,461 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with O | 8,997 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with P | 12,130 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with Q | 4,991 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with R | 11,884 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with S | 18,693 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with T | 12,903 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with U | 7,576 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with V | 6,887 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with W | 8,102 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with X | 3,537 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with Y | 5,633 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with Z | 6,466 | - |
