| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,283 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.90 | 12,286 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,064 |
| Africa Capitals Quiz | 0 | - | 4.99 | 735,856 |
| Asia Capitals Quiz | 0 | - | 4.98 | 690,983 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,717 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,547 |
| Random European Capital to Country | 0 | - | 4.98 | 190,625 |
| Random European Country to Capital | 0 | - | 4.93 | 164,588 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,216 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,597 |
| Random African Capital to Country | 0 | - | 4.97 | 100,482 |
| Random African Country to Capital | 0 | - | 4.94 | 71,091 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,716 |
| Europe Capital to Country | 0 | - | 4.99 | 249,557 |
| Asia Capital to Country | 0 | - | 4.96 | 126,469 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,578 |
| European Capitals by Map | 0 | - | 4.99 | 138,562 |
| African Capitals by Map | 0 | - | 4.99 | 133,361 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,071 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,873 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,232 |
| European Coastal Capitals | 0 | - | 4.95 | 90,378 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,500 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,147 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,548 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,740 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,642 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,903 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,472 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,226 |
| World Capitals Quiz | 0 | - | 5.00 | 5,062,995 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,420 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,071 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,244 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,888 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,983 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,688 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,074 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,089 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,164 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,049 |
| Capitals of the Stans | 0 | - | 4.95 | 26,740 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,842 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,582,647 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,833 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,899 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 21,611 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,048 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 259,966 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,767 |
| Name a Valid African Country | 0 | - | 4.98 | 153,763 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,344 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,443,084 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,673 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,981 |
| Countries with Megacities | 0 | - | 4.99 | 258,865 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,852 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,966 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,135 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,970 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,838 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,947 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,234 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,264 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,959 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,616 |
| Countries by Capital City | 0 | - | 5.00 | 67,911 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,965 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,457 |
| World Capitals by Proximity | 0 | - | 4.91 | 330,618 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,204 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,957 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,443 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,073 |
| Moved Capital Cities | 0 | - | 4.96 | 74,053 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,555 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,399 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,834 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,919 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,783 |
| Countries by Sports in 60 Seconds | 0 | - | 4.91 | 144,457 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,608 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,959 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,018 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,072 |
| Which City in Europe? | 0 | - | 4.83 | 107,159 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,541 |
| Countries that Beat China | 0 | - | 4.86 | 115,492 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,466 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,785 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 55,690 |
| Countries that Beat Canada | 0 | - | 4.90 | 87,291 |
| Countries that Beat Germany | 0 | - | 4.95 | 106,111 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,314 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,146 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,544 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,382 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,665 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,258 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,358 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,916 |
| Resort Towns by Country | 0 | - | 4.30 | 39,997 |
| North American Sports Cities | 0 | - | 4.83 | 171,750 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,240 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,245 |
| Name a City - European Countries | 0 | - | 4.90 | 65,189 |
| Name a Valid World City | 0 | - | 4.83 | 70,933 |
| Cities by Former Name | 0 | - | 4.83 | 91,419 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,323 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,572 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,883 |
| World Capitals by Map | 0 | - | 5.00 | 285,594 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,153 |
| Random Capital to Country | 0 | - | 4.99 | 2,587,991 |
| Random Country to Capital | 0 | - | 4.98 | 918,287 |
| Capitals Starting With H | 0 | - | 4.91 | 92,126 |
| Capitals Starting With K | 0 | - | 4.87 | 80,542 |
| Capitals Starting With L | 0 | - | 4.81 | 87,605 |
| Capitals Starting With M | 0 | - | 4.93 | 107,175 |
| Capitals Starting With P | 0 | - | 4.88 | 77,818 |
| Capitals Starting With R | 0 | - | 4.87 | 81,500 |
| Capitals Starting With S | 0 | - | 4.90 | 85,425 |
| Capitals Starting With T | 0 | - | 4.85 | 75,860 |
| Capitals Starting With W | 0 | - | 4.87 | 91,068 |
| Capitals Starting With A | 0 | - | 4.97 | 127,419 |
| Capitals Starting With B | 0 | - | 4.89 | 118,044 |
| Capitals Starting With D | 0 | - | 4.93 | 96,060 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,624 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,542 |
| Olympic Host Countries | 0 | - | 4.98 | 200,351 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,612 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,835 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 307,952 |
| The Only European Country ... | 0 | - | 4.91 | 215,994 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,741 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,773 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,579 |
| Countries of Africa | 0 | - | 5.00 | 2,530,157 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,660 |
| British Geography Quiz #1 | 0 | - | 4.51 | 48,318 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,124 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,135 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,377 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,494 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,202 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,694 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,965 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,149 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,819 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,659 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,720 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,091 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,072 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,417 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,153 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,430 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,072 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,512 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,406 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,780 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,575 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,817 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,689 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,692 |
| Former Capitals | 0 | - | 4.88 | 71,377 |
| Capital Cities Chain | 0 | - | 4.83 | 82,490 |
| Coldest World Capitals | 0 | - | 4.95 | 133,457 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,386 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 200,785 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,674 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,103 |
| Which City in Canada? | 0 | - | 4.82 | 56,943 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,171 |
| Countries of the Middle East | 0 | - | 4.96 | 200,738 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,003 |
| Slavic Countries | 0 | - | 4.96 | 111,494 |
| African Island Countries | 0 | - | 4.96 | 101,430 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,789 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,801 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 46,413 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,776 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,896 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,020,567 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,656 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,276 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,168 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,855 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,643 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,427 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,528 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,510 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,084 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,972 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,386 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,003 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,972 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,810 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,077 |
| Countries that Beat Egypt | 0 | - | 4.88 | 56,889 |
