| Series | # | Rating | Takes | |
|---|---|---|---|---|
| Landlocked Countries | 4 | 1 | 4.51 | 61,537 |
| Official Languages | 16 | 0 | 5.00 | 6,829 |
| Countries | 21 | 0 | 4.50 | 4,154 |
| European countries containing... | 23 | 0 | – | 2,550 |
| Capital Cities | 12 | 0 | 4.14 | 2,255 |
| The Quizzes | 5 | 0 | – | 1,638 |
| United Kingdom | 6 | 0 | 4.00 | 1,620 |
| Scotland Trivia | 12 | 0 | – | 1,510 |
| Bordering Countries | 12 | 0 | – | 1,441 |
| Countries beginning with... | 6 | 0 | – | 1,055 |
| Animals | 10 | 0 | – | 1,023 |
| Islands | 6 | 0 | – | 757 |
| Micronations | 5 | 0 | – | 524 |
| Alphabetical | 7 | 0 | – | 484 |
| Capital cities beginning with... | 8 | 0 | – | 454 |
| Science | 4 | 0 | – | 434 |
| Random Quizzes | 3 | 0 | – | 368 |
| Flags | 6 | 0 | – | 358 |
| Overseas Territories | 3 | 0 | – | 356 |
| Food | 3 | 0 | – | 159 |
| Top Tourist Attractions | 2 | 0 | – | 126 |
| German | 2 | 0 | – | 101 |
| Europe | 2 | 0 | – | 99 |
| Currencies | 2 | 0 | – | 78 |
| Country Clues | 2 | 0 | – | 66 |
| Countries on... | 2 | 0 | – | 57 |