| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,359 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 105,035 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,952 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,468 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,812 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,199 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 48,072 |
| Asia Capitals Quiz | 0 | - | 4.98 | 699,588 |
| Random Asian Country to Capital | 0 | - | 4.92 | 97,064 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,528 |
| Asia Capital to Country | 0 | - | 4.96 | 127,646 |
| Asian Capitals by Map | 0 | - | 4.98 | 64,070 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,249 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,293 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,469 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,454 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 62,025 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,852 |
| Capitals of the Stans | 0 | - | 4.95 | 27,210 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,103 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,140 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,231 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 119,470 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,143 |
| Random European Capital to Country | 0 | - | 4.98 | 192,282 |
| Random European Country to Capital | 0 | - | 4.93 | 166,013 |
| Random African Capital to Country | 0 | - | 4.97 | 101,425 |
| Random African Country to Capital | 0 | - | 4.95 | 71,841 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,455,453 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,824 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,755 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 178,457 |
| Biggest Cities in the World | 0 | - | 4.91 | 806,568 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,816 |
| World Capitals Closest to Jerusalem | 0 | - | 4.47 | 45,076 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,193 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,417 |
| Vietnam War Countries | 0 | - | 4.82 | 94,714 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,404 |
| Countries with Megacities | 0 | - | 4.99 | 267,618 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,050 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,276 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,387 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,381 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 421,007 |
| Biggest Cities in the United States | 0 | - | 4.94 | 988,530 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 368,341 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,660 |
| Biggest Cities in India | 0 | - | 4.64 | 68,104 |
| Africa Capitals Quiz | 0 | - | 4.99 | 744,748 |
| Countries with the Most Hindus | 0 | - | 4.90 | 123,648 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,554 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,443 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,537 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,423 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,433 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,777 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,965 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 94,323 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,688 |
| Biggest City by Time Zone | 0 | - | 4.88 | 69,051 |
| Biggest City in Every Country | 0 | - | 4.98 | 102,115 |
| Biggest Cities by Latitude Range | 0 | - | 4.81 | 32,909 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,698 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,603 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 150,398 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,897 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,345 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 582,582 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 81,054 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,694 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,808 |
| Ten Southernmost Megacities | 0 | - | 4.84 | 65,277 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,513 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,621 |
| Name a City - European Countries | 0 | - | 4.89 | 66,325 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,548 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 160,065 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,655 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,953 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,495 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,794 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,849 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,997 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,238 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,726 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,791 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 169,083 |
| Largest City by Island | 0 | - | 4.87 | 72,532 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,471 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,798 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,216 |
| Megacities on a World Map | 0 | - | 4.98 | 257,299 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,816 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,792 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 349,160 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,320 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,672 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,571 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,789 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,948 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,971 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,589 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,257 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,559 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,910 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,832 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,317 |
| Official Cities in the UK | 0 | - | 4.89 | 286,636 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,616 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,256 |
| Europe Capital to Country | 0 | - | 4.99 | 252,415 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,181 |
| European Capitals by Map | 0 | - | 4.99 | 142,388 |
| African Capitals by Map | 0 | - | 4.99 | 142,465 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,410 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,552 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,327 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,685 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,247 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 93,055 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,316 |
| European Coastal Capitals | 0 | - | 4.95 | 91,443 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 273,098 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 226,074 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,219 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,642 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,783 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,665 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,772 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 171,058 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,685 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 71,042 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,959 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,844 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,405 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.86 | 23,866 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 127,511 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,351 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 74,013 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,977 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,647 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 71,060 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 151,649 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,195 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,313 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 27,208 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,752 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,285 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 66,049 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.64 | 16,249 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,852 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 62,050 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,650 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,506 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 98,080 |
| African Countries with the Most Christians | 0 | - | 4.94 | 76,174 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 246,835 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 137,594 |
| Most Populous Islands | 0 | - | 4.80 | 123,408 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,395 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,670 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,357 |
| Countries by Population Decrease | 0 | - | 4.46 | 50,006 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,533 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,576 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 160,179 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 48,144 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 127,715 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,882 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,559 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,542 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 118,365 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 63,007 |
| Biggest Cities in Japan | 0 | - | 4.68 | 83,569 |
| Biggest Cities in Germany | 0 | - | 4.95 | 295,516 |
| Biggest Cities in China | 0 | - | 4.53 | 160,108 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,699,938 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 107,140 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,557 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 124,770 |
| India State Capitals Quiz | 0 | - | 4.28 | 59,963 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,544 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,902 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,307 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,509 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,788 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,362 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,455 |
| Which City in Europe? | 0 | - | 4.83 | 107,968 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 73,080 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,704 |
| Arms Exports - United States | 0 | - | 4.77 | 62,777 |
| Country Picture Puzzle Game #1 | 0 | - | 4.86 | 86,920 |
| Every Asian Country Shape | 0 | - | 4.95 | 88,683 |
| Countries in a JetPunk Fish of the World Map | 0 | - | 4.99 | 60,718 |
| Countries in a Blue JetPunk Fish of the World Map | 0 | - | 4.92 | 72,406 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,333 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,790 |
| Countries Bordering China Since 1914 | 0 | - | 4.92 | 95,895 |
