| Name a World Capital A-Z | 0 | - | 5.00 | 176,846 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,517 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,564 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,475 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,520 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,629 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,578 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,656 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 191,504 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,325 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,750 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,979 |
| Random European Capital to Country | 0 | - | 4.98 | 191,919 |
| Random European Country to Capital | 0 | - | 4.93 | 165,716 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,912 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,318 |
| Random African Capital to Country | 0 | - | 4.97 | 101,188 |
| Random African Country to Capital | 0 | - | 4.95 | 71,657 |
| Europe Capital to Country | 0 | - | 4.99 | 251,730 |
| Asia Capital to Country | 0 | - | 4.96 | 127,257 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,739 |
| European Capitals by Map | 0 | - | 4.99 | 141,656 |
| African Capitals by Map | 0 | - | 4.99 | 141,728 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,731 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,703 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,037 |
| European Coastal Capitals | 0 | - | 4.95 | 91,154 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,101 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,027 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,439 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,087 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,522 |
| World Capitals Quiz | 0 | - | 5.00 | 5,098,541 |
| South America Capitals Quiz | 0 | - | 5.00 | 484,190 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,177 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,685 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,082 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,449 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,925 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,289 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,489 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,394 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,821 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,618 |
| Monarchies of Europe | 0 | - | 4.90 | 98,701 |
| Monarchies of Asia | 0 | - | 4.97 | 71,418 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,209 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 334,157 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,596,598 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,504 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,944 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,365 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,373 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,140 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 136,737 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,675 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,687 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,632 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,664 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,452,131 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,986 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,778 |
| Countries with Megacities | 0 | - | 4.99 | 266,342 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,489 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,897 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,784 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,006 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,061 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,062 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,852 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,039 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,015 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,905 |
| Countries by Capital City | 0 | - | 5.00 | 69,165 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,713 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,089 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,286 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,237 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,681 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,459 |
| Moved Capital Cities | 0 | - | 4.96 | 74,561 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,191 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.94 | 91,641 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,801 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 150,708 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 73,189 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,099 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,812 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,275 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,120 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 66,007 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,173 |
| Random Asian Capitals on a Map | 0 | - | 4.82 | 51,297 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,274 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,517 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,260 |
| Hindu Countries | 0 | - | 4.87 | 50,496 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,197 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,751 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,510 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,798 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 94,082 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,482 |
| North American Sports Cities | 0 | - | 4.83 | 172,989 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,512 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,830 |
| Cities by Former Name | 0 | - | 4.83 | 91,943 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,629 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,912 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,685 |
| World Capitals by Map | 0 | - | 5.00 | 288,823 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,730 |
| Random Capital to Country | 0 | - | 4.99 | 2,599,069 |
| Random Country to Capital | 0 | - | 4.98 | 926,109 |
| Capitals Starting With H | 0 | - | 4.91 | 93,140 |
| Capitals Starting With K | 0 | - | 4.88 | 84,210 |
| Capitals Starting With L | 0 | - | 4.79 | 93,911 |
| Capitals Starting With M | 0 | - | 4.93 | 108,829 |
| Capitals Starting With P | 0 | - | 4.88 | 78,804 |
| Capitals Starting With R | 0 | - | 4.88 | 82,357 |
| Capitals Starting With S | 0 | - | 4.90 | 86,377 |
| Capitals Starting With T | 0 | - | 4.85 | 76,682 |
| Capitals Starting With W | 0 | - | 4.87 | 91,627 |
| Capitals Starting With A | 0 | - | 4.97 | 128,856 |
| Capitals Starting With B | 0 | - | 4.89 | 119,254 |
| Capitals Starting With D | 0 | - | 4.93 | 97,009 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 150,285 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,398 |
| Olympic Host Countries | 0 | - | 4.98 | 201,688 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,672 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,811 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 312,740 |
| The Only European Country ... | 0 | - | 4.91 | 218,497 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,558 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,229 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,854 |
| Countries of Africa | 0 | - | 5.00 | 2,554,155 |
| Countries with the Most Hindus | 0 | - | 4.90 | 123,456 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 51,107 |
| Australia A-Z | 0 | - | 4.54 | 50,110 |
| Single Vowel Capitals | 0 | - | 4.82 | 14,685 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,502 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,227 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,844 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,146 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,507 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,630 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,759 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,543 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,627 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,764 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,438 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,112 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,451 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,789 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,649 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,724 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,300 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,764 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,155 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,859 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,536 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,460 |
| Former Capitals | 0 | - | 4.88 | 71,625 |
| Capital Cities Chain | 0 | - | 4.84 | 83,237 |
| Coldest World Capitals | 0 | - | 4.95 | 134,087 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,012 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 22,140 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,428 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,665 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,334,078 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,393 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,346 |
| Countries of the Middle East | 0 | - | 4.96 | 202,348 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,987 |
| Slavic Countries | 0 | - | 4.96 | 112,220 |
| African Island Countries | 0 | - | 4.96 | 102,290 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,108 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,906 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,136 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 52,703 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,499 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,747 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,029,412 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,626 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,158 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,391 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 145,002 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,133 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,333 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,401 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,883 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,666 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,875 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,336 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,119 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,754 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,025 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,999 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,500 |
