| Series | # | Rating | Takes | |
|---|---|---|---|---|
| Country First Letters | 11 | 0 | – | 467 |
| Animals Quizzes | 3 | 0 | – | 206 |
| Countries of the World Quizzes (Sprints) | 4 | 0 | – | 173 |
| Random Geography Questions | 3 | 0 | – | 157 |
| Points by Population | 4 | 0 | – | 89 |
| Country Shapes Quizzes | 3 | 0 | – | 76 |
| Capitals Quizzes | 2 | 0 | – | 58 |
| Country Scramble Quizzes | 2 | 0 | – | 53 |
| Continents Quizzes | 2 | 0 | – | 40 |