| Name a World Capital A-Z | 0 | - | 5.00 | 175,927 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,366 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.91 | 12,792 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,077 |
| Africa Capitals Quiz | 0 | - | 4.99 | 736,382 |
| Asia Capitals Quiz | 0 | - | 4.98 | 691,538 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,035 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,162 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,695 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,773 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,461 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,578 |
| Random European Capital to Country | 0 | - | 4.98 | 190,699 |
| Random European Country to Capital | 0 | - | 4.93 | 164,833 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,320 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,646 |
| Random African Capital to Country | 0 | - | 4.97 | 100,542 |
| Random African Country to Capital | 0 | - | 4.94 | 71,114 |
| Europe Capital to Country | 0 | - | 4.99 | 249,714 |
| Asia Capital to Country | 0 | - | 4.96 | 126,521 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,677 |
| European Capitals by Map | 0 | - | 4.99 | 138,759 |
| African Capitals by Map | 0 | - | 4.99 | 133,456 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,138 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,942 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,287 |
| European Coastal Capitals | 0 | - | 4.95 | 90,441 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,523 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,395 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,685 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,767 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,254 |
| World Capitals Quiz | 0 | - | 5.00 | 5,065,858 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,669 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,661 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,305 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,332 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 93,934 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,062 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,737 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,104 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,100 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,171 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,210 |
| Monarchies of Europe | 0 | - | 4.90 | 98,004 |
| Monarchies of Asia | 0 | - | 4.97 | 71,010 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,795 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,302 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,583,708 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,938 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 132,818 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,166 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,136 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,450 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.88 | 133,135 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,017 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,993 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,853 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,894 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,443,821 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,859 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,131 |
| Countries with Megacities | 0 | - | 4.99 | 261,406 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,989 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,054 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,267 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,080 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,924 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,022 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,273 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,328 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,032 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,717 |
| Countries by Capital City | 0 | - | 5.00 | 68,002 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,018 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,509 |
| World Capitals by Proximity | 0 | - | 4.91 | 330,802 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,275 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,018 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,316 |
| Moved Capital Cities | 0 | - | 4.96 | 74,087 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,069 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 83,643 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,173 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 149,550 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,740 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,853 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,831 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,709 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,969 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,886 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,666 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,933 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,530 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,053 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,090 |
| Hindu Countries | 0 | - | 4.86 | 50,048 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,585 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,500 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,730 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,309 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,417 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,965 |
| North American Sports Cities | 0 | - | 4.83 | 171,946 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,273 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,289 |
| Name a City - European Countries | 0 | - | 4.90 | 65,249 |
| Cities by Former Name | 0 | - | 4.83 | 91,465 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,342 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,597 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,976 |
| World Capitals by Map | 0 | - | 5.00 | 285,770 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,194 |
| Random Capital to Country | 0 | - | 4.99 | 2,588,731 |
| Random Country to Capital | 0 | - | 4.98 | 918,967 |
| Capitals Starting With H | 0 | - | 4.91 | 92,356 |
| Capitals Starting With K | 0 | - | 4.88 | 82,791 |
| Capitals Starting With L | 0 | - | 4.81 | 87,869 |
| Capitals Starting With M | 0 | - | 4.93 | 107,505 |
| Capitals Starting With P | 0 | - | 4.88 | 78,015 |
| Capitals Starting With R | 0 | - | 4.87 | 81,662 |
| Capitals Starting With S | 0 | - | 4.90 | 85,600 |
| Capitals Starting With T | 0 | - | 4.85 | 76,019 |
| Capitals Starting With W | 0 | - | 4.87 | 91,190 |
| Capitals Starting With A | 0 | - | 4.97 | 127,658 |
| Capitals Starting With B | 0 | - | 4.89 | 118,266 |
| Capitals Starting With D | 0 | - | 4.93 | 96,254 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,872 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,683 |
| Olympic Host Countries | 0 | - | 4.98 | 200,488 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,682 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,947 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 308,399 |
| The Only European Country ... | 0 | - | 4.91 | 216,167 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,882 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,869 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,598 |
| Countries of Africa | 0 | - | 5.00 | 2,531,951 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,898 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 50,664 |
| Australia A-Z | 0 | - | 4.54 | 49,948 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,330 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,447 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,524 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,289 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,760 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,020 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,198 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,747 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,809 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,143 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,108 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,585 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,189 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,469 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,118 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,519 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,487 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,840 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,722 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,892 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,745 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,721 |
| Former Capitals | 0 | - | 4.88 | 71,398 |
| Capital Cities Chain | 0 | - | 4.83 | 82,565 |
| Coldest World Capitals | 0 | - | 4.95 | 133,490 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,438 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 21,663 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,736 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,887 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,834 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,901 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,314 |
| Countries of the Middle East | 0 | - | 4.96 | 200,870 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,086 |
| Slavic Countries | 0 | - | 4.96 | 111,536 |
| African Island Countries | 0 | - | 4.96 | 101,482 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,820 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,966 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,889 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.83 | 46,711 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,827 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,965 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,021,216 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,718 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,345 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,277 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,953 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,758 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,493 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,596 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,543 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,132 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,043 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,454 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,073 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,019 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,862 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,145 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,264 |
