| Quiz | # Taken | Best |
|---|
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with A | 25,022 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with B | 21,014 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with C | 20,065 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with D | 13,306 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with E | 11,453 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with F | 11,043 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with G | 13,107 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with H | 12,242 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with I | 10,155 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with J | 8,908 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with K | 10,721 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with L | 12,596 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with M | 17,248 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with N | 14,933 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with O | 8,633 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with P | 11,621 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with Q | 4,818 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with R | 11,477 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with S | 18,138 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with T | 12,410 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with U | 7,341 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with V | 6,613 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with W | 7,830 | - |
| 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 | 5,441 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with Z | 6,278 | - |
