| Countries of the World Quiz | 46,973,523 | 0 | - |
| US States Quiz | 16,719,407 | 0 | - |
| Countries of Africa | 2,510,776 | 0 | - |
| Countries of Asia Quiz | 1,850,644 | 0 | - |
| Countries of Oceania | 1,041,974 | 0 | - |
| Countries of Europe Quiz | 3,722,293 | 0 | - |
| Countries of North America Quiz | 1,013,002 | 0 | - |
| Countries of South America | 915,940 | 0 | - |
| Name a Valid Country by Continent #1 | 53,954 | 0 | - |
| Name a Valid European Country #1 | 257,173 | 0 | - |
| Divided Country Name Puzzle #1 | 225,367 | 0 | - |
| Official Languages Spoken in the Most Countries | 196,579 | 0 | - |
| Country Flags Quiz #2 | 1,087,971 | 0 | - |
| Flags of Countries With More Than 100 Million People | 158,512 | 0 | - |
| Countries that Start with E | 1,368,416 | 0 | - |
| Countries by Bordering Flags #2 | 82,691 | 0 | - |
| South America Map Quiz | 1,541,941 | 0 | - |
| Countries of South America with an Empty Map | 104,247 | 0 | - |
| South America Flags Map Quiz | 86,759 | 0 | - |
| Jigsaw Puzzle - South America | 40,933 | 0 | - |
| South America Flags | 13,928 | - | - |
| Countries of South America by borders in 15 seconds | 4,983 | - | - |
| Countries with the Most Tourists Quiz | 402,182 | 0 | - |
| Countries with Five Letters Quiz | 258,817 | 0 | - |
| Which City In the United Kingdom? | 93,648 | 0 | - |
| Countries With the Most Russian Speakers | 98,738 | 0 | - |
| Countries that Start with T | 1,004,740 | 0 | - |
| Countries that Start with Y | 247,921 | - | - |
| Countries that Start with A | 2,148,416 | 0 | - |
| Countries that Start with B | 2,281,209 | 0 | - |
| Countries that Start with C | 1,811,422 | 0 | - |
| Countries that Start with D | 702,313 | 0 | - |
| Countries that Start with F | 612,710 | 0 | - |
| Countries that Start with G | 1,493,795 | 0 | - |
| Countries that Start with H | 598,588 | 0 | - |
| Countries that Start with I | 1,281,031 | 0 | - |
| Countries that Start with J | 596,639 | 0 | - |
| Countries that Start with K | 809,963 | 0 | - |
| Countries that Start with L | 1,083,586 | 0 | - |
| Countries that Start with M | 1,374,150 | 0 | - |
| Countries that Start with N | 1,110,485 | 0 | - |
| Countries that Start with O | 309,930 | - | - |
| Countries that Start with P | 1,209,243 | 0 | - |
| Countries that Start with R | 444,012 | 0 | - |
| Countries that Start with S | 1,745,551 | 0 | - |
| Countries that Start with U | 900,348 | 0 | - |
| Countries that Start with V | 605,501 | 0 | - |
| Countries that Start with Z | 250,159 | - | - |
| Disney Princesses | 248,765 | 0 | - |
| U.S. States With Palm Trees | 45,634 | 0 | - |
| Europe Map Quiz | 4,734,473 | 0 | - |
| U.S. States that Start with N | 170,515 | 0 | - |
| Countries with the Most Species | 95,284 | 0 | - |
| Most Populous Countries Bordering Each Other | 129,469 | 0 | - |
| Countries with the Best Passports | 84,644 | 0 | - |
| Countries of Europe by Population | 178,323 | 0 | - |
| US States with an Empty Map | 619,463 | 0 | - |
| Country Flag-Shape Picture Quiz #8 | 56,768 | 0 | - |
| Last Five Countries Alphabetically by Continent | 151,775 | 0 | - |
| Countries of the World with a Borderless Map | 81,414 | 0 | - |
| Countries of Europe by Flag and First Letter | 64,198 | 0 | - |
| Countries of North and South America by Flag and First Letter | 2,227 | - | - |
| Five Most Guessed Countries by Continent | 171,602 | 0 | - |
| Three Band Flags of Europe | 192,017 | 0 | - |
| Countries with the Most Murders | 150,034 | 0 | - |
| Official European Union Languages | 237,084 | 0 | - |
| Similar Flags #2 | 136,465 | 0 | - |
| Country Flags Quiz #3 | 730,077 | 0 | - |
| Official UN Languages | 141,863 | 0 | - |
| Northernmost Countries | 358,075 | 0 | - |
| Geographic Groups of Seven #1 | 140,644 | 0 | - |
| NATO Countries | 276,286 | 0 | - |
| Random Countries Mouse Hunt! | 182,352 | 0 | - |
| Eastern Europe Map Quiz | 127,286 | 0 | - |
| "Stan" Countries - Map Quiz | 134,001 | 0 | - |
| Flags of Countries in the World Cup 2018 | 92,834 | - | - |
| Random Sequential European Countries on a Map | 216,247 | 0 | - |
| Common Geography on a Map | 98,940 | 0 | - |
| 15 Biggest Island Countries | 161,745 | 0 | - |
| One Country By Letter By Continent | 121,921 | 0 | - |
| Flags of Africa Quiz | 464,180 | 0 | - |
| Every Country Flag-Shape of the World | 44,284 | 0 | - |
| Largest Countries by Area or Population | 185,314 | 0 | - |
