| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,360 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 226,953 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,302 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,084 |
| Africa Capitals Quiz | 0 | - | 4.99 | 739,860 |
| Asia Capitals Quiz | 0 | - | 4.98 | 694,857 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,596 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,805 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,500 |
| Random European Capital to Country | 0 | - | 4.98 | 191,491 |
| Random European Country to Capital | 0 | - | 4.93 | 165,404 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,616 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,016 |
| Random African Capital to Country | 0 | - | 4.97 | 100,925 |
| Random African Country to Capital | 0 | - | 4.94 | 71,387 |
| World Capitals Quiz | 0 | - | 5.00 | 5,084,677 |
| Europe Capital to Country | 0 | - | 4.99 | 250,909 |
| Asia Capital to Country | 0 | - | 4.96 | 126,880 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,218 |
| European Capitals by Map | 0 | - | 4.99 | 139,999 |
| African Capitals by Map | 0 | - | 4.99 | 134,183 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,653 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,307 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,647 |
| European Coastal Capitals | 0 | - | 4.95 | 90,830 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,679 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,913 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,575 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,929 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 48,978 |
| South America Capitals Quiz | 0 | - | 5.00 | 482,646 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,611 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,727 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,217 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,534 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,038 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,304 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,255 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,558 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,422 |
| Monarchies of Europe | 0 | - | 4.90 | 98,359 |
| Monarchies of Asia | 0 | - | 4.97 | 71,230 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,031 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,769 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,591,089 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,352 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,427 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 191,129 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,267 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,425 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,763 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,822 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,823 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 135,564 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,392 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,369 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,274 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,515 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,448,595 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,060 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,966 |
| Countries with Megacities | 0 | - | 4.99 | 264,705 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,795 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,504 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,060 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,579 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,591 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,562 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,563 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,702 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,518 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,354 |
| Countries by Capital City | 0 | - | 5.00 | 68,665 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,391 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,830 |
| World Capitals by Proximity | 0 | - | 4.91 | 332,196 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,429 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,396 |
| Moved Capital Cities | 0 | - | 4.96 | 74,362 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,714 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,794 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 84,470 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,439 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 150,024 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,388 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,962 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,962 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,245 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,186 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,586 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,761 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,239 |
| North American Sports Cities | 0 | - | 4.83 | 172,663 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,406 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,315 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,997 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,574 |
| Cities by Former Name | 0 | - | 4.83 | 91,739 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,493 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,764 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,046 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,945 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,414 |
| World Capitals by Map | 0 | - | 5.00 | 287,513 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,486 |
| Random Capital to Country | 0 | - | 4.99 | 2,594,936 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,941 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,087 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,944 |
| Random Country to Capital | 0 | - | 4.98 | 922,969 |
| Capitals Starting With H | 0 | - | 4.91 | 92,733 |
| Capitals Starting With K | 0 | - | 4.88 | 83,782 |
| Capitals Starting With L | 0 | - | 4.81 | 88,256 |
| Capitals Starting With M | 0 | - | 4.93 | 108,084 |
| Capitals Starting With P | 0 | - | 4.88 | 78,358 |
| Capitals Starting With R | 0 | - | 4.87 | 81,987 |
| Capitals Starting With S | 0 | - | 4.90 | 85,962 |
| Capitals Starting With T | 0 | - | 4.84 | 76,317 |
| Capitals Starting With W | 0 | - | 4.87 | 91,404 |
| Capitals Starting With A | 0 | - | 4.97 | 128,307 |
| Capitals Starting With B | 0 | - | 4.89 | 118,724 |
| Capitals Starting With D | 0 | - | 4.93 | 96,639 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,320 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,187 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,609 |
| Olympic Host Countries | 0 | - | 4.98 | 201,140 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,122 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,714 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 310,885 |
| The Only European Country ... | 0 | - | 4.91 | 217,431 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,837 |
| Hindu Countries | 0 | - | 4.86 | 50,312 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,602 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,744 |
| Countries of Africa | 0 | - | 5.00 | 2,545,421 |
| Single Vowel Capitals | 0 | - | 4.81 | 14,554 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,930 |
| Countries with the Most Hindus | 0 | - | 4.90 | 123,221 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 50,908 |
| Australia A-Z | 0 | - | 4.54 | 50,031 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,510 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,891 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,715 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,755 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,171 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,348 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,508 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,229 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,257 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,524 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,313 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,934 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,349 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,647 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,422 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,264 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,499 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,953 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,176 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,630 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 110,973 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,215 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,531 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,410 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,114 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,960 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,432 |
| Former Capitals | 0 | - | 4.88 | 71,526 |
| Capital Cities Chain | 0 | - | 4.84 | 82,969 |
| Coldest World Capitals | 0 | - | 4.95 | 133,663 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,781 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 21,949 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,124 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 89,246 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,330,874 |
| Countries with the Most Christians | 0 | - | 4.92 | 143,618 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,421 |
| Countries of the Middle East | 0 | - | 4.96 | 201,725 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,574 |
| Slavic Countries | 0 | - | 4.96 | 111,898 |
| African Island Countries | 0 | - | 4.96 | 101,891 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,966 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,536 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,661 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.81 | 48,334 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,219 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,384 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,025,989 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,254 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,808 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,862 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,635 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,383 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,949 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,047 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,722 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,413 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,451 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,803 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,494 |
