| Quiz | # Taken | Best |
|---|
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with A | 24,973 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with B | 20,971 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with C | 20,027 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with D | 13,266 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with E | 11,422 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with F | 11,007 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with G | 13,075 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with H | 12,207 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with I | 10,125 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with J | 8,880 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with K | 10,688 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with L | 12,565 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with M | 17,215 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with N | 14,903 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with O | 8,602 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with P | 11,591 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with Q | 4,807 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with R | 11,451 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with S | 18,105 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with T | 12,384 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with U | 7,327 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with V | 6,598 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with W | 7,817 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with X | 3,420 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with Y | 5,427 | - |
| Countries, US States, Capitals, Elements, 100 Most Common Words: Starting with Z | 6,268 | - |
