| Countries of the World Quiz | 47,733,538 | 0 | - |
| US States Quiz | 16,957,564 | 0 | - |
| Countries of Africa | 2,552,003 | 0 | - |
| Countries of Asia Quiz | 1,883,406 | 0 | - |
| Countries of Oceania | 1,060,279 | 0 | - |
| Countries of Europe Quiz | 3,792,193 | 0 | - |
| Countries of North America Quiz | 1,028,550 | 0 | - |
| Countries of South America | 929,989 | 0 | - |
| Name a Valid Country by Continent #1 | 59,462 | 0 | - |
| Name a Valid European Country #1 | 263,509 | 0 | - |
| Divided Country Name Puzzle #1 | 228,109 | 0 | - |
| Official Languages Spoken in the Most Countries | 198,915 | 0 | - |
| Country Flags Quiz #2 | 1,095,738 | 0 | - |
| Flags of Countries With More Than 100 Million People | 159,790 | 0 | - |
| Countries that Start with E | 1,382,394 | 0 | - |
| Countries by Bordering Flags #2 | 83,445 | 0 | - |
| South America Map Quiz | 1,553,882 | 0 | - |
| Countries of South America with an Empty Map | 105,295 | 0 | - |
| South America Flags Map Quiz | 88,651 | 0 | - |
| Jigsaw Puzzle - South America | 43,315 | 0 | - |
| South America Flags | 14,096 | - | - |
| Countries of South America by borders in 15 seconds | 5,018 | - | - |
| Countries with the Most Tourists Quiz | 408,565 | 0 | - |
| Countries with Five Letters | 283,217 | 0 | - |
| Which City In the United Kingdom? | 94,622 | 0 | - |
| Countries With the Most Russian Speakers | 102,189 | 0 | - |
| Countries that Start with T | 1,013,309 | 0 | - |
| Countries that Start with Y | 250,975 | - | - |
| Countries that Start with A | 2,171,268 | 0 | - |
| Countries that Start with B | 2,302,372 | 0 | - |
| Countries that Start with C | 1,828,283 | 0 | - |
| Countries that Start with D | 714,138 | 0 | - |
| Countries that Start with F | 620,038 | 0 | - |
| Countries that Start with G | 1,508,687 | 0 | - |
| Countries that Start with H | 607,938 | 0 | - |
| Countries that Start with I | 1,292,469 | 0 | - |
| Countries that Start with J | 605,419 | 0 | - |
| Countries that Start with K | 819,102 | 0 | - |
| Countries that Start with L | 1,094,728 | 0 | - |
| Countries that Start with M | 1,386,066 | 0 | - |
| Countries that Start with N | 1,121,772 | 0 | - |
| Countries that Start with O | 314,529 | - | - |
| Countries that Start with P | 1,220,064 | 0 | - |
| Countries that Start with R | 449,366 | 0 | - |
| Countries that Start with S | 1,760,367 | 0 | - |
| Countries that Start with U | 907,205 | 0 | - |
| Countries that Start with V | 611,078 | 0 | - |
| Countries that Start with Z | 253,235 | - | - |
| Disney Princesses | 254,084 | 0 | - |
| U.S. States With Palm Trees | 45,888 | 0 | - |
| Europe Map Quiz | 4,779,565 | 0 | - |
| U.S. States that Start with N | 171,964 | 0 | - |
| Countries with the Most Species | 103,422 | 0 | - |
| Most Populous Countries Bordering Each Other | 131,028 | 0 | - |
| Countries with the Best Passports | 85,426 | 0 | - |
| Countries of Europe by Population | 182,283 | 0 | - |
| US States with an Empty Map | 627,330 | 0 | - |
| Country Flag-Shape Picture Quiz #8 | 57,420 | 0 | - |
| Last Five Countries Alphabetically by Continent | 153,055 | 0 | - |
| Countries of the World with a Borderless Map | 82,580 | 0 | - |
| Countries of Europe by Flag and First Letter | 66,787 | 0 | - |
| Countries of North and South America by Flag and First Letter | 2,517 | - | - |
| Five Most Guessed Countries by Continent | 174,078 | 0 | - |
| Three Band Flags of Europe | 194,142 | 0 | - |
| Countries with the Most Murders | 151,092 | 0 | - |
| Official European Union Languages | 239,380 | 0 | - |
| Similar Flags #2 | 137,826 | 0 | - |
| Country Flags Quiz #3 | 735,415 | 0 | - |
| Official UN Languages | 143,890 | 0 | - |
| Northernmost Countries | 363,084 | 0 | - |
| Geographic Groups of Seven #1 | 141,628 | 0 | - |
| NATO Countries | 282,503 | 0 | - |
| Random Countries Mouse Hunt! | 186,003 | 0 | - |
| Eastern Europe Map Quiz | 128,615 | 0 | - |
| "Stan" Countries - Map Quiz | 136,972 | 0 | - |
| Flags of Countries in the World Cup 2018 | 93,040 | - | - |
| Random Sequential European Countries on a Map | 217,794 | 0 | - |
| Common Geography on a Map | 100,476 | 0 | - |
| 15 Biggest Island Countries | 163,375 | 0 | - |
| One Country By Letter By Continent | 125,071 | 0 | - |
| Flags of Africa Quiz | 475,446 | 0 | - |
| Every Country Flag-Shape of the World | 44,850 | 0 | - |
| Largest Countries by Area or Population | 187,024 | 0 | - |
| All Country Flags of the World | 3,697,185 | 0 | - |
