| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,036 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,231 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,501 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,163 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,114 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,503 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,604 |
| Asia Capitals Quiz | 0 | - | 4.98 | 693,935 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,534 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,851 |
| Asia Capital to Country | 0 | - | 4.96 | 126,754 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,546 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,630 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,194 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.93 | 50,164 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,922 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,475 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,967 |
| Capitals of the Stans | 0 | - | 4.95 | 26,877 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,306 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,308 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,017 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,592 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,729 |
| Random European Capital to Country | 0 | - | 4.98 | 191,061 |
| Random European Country to Capital | 0 | - | 4.93 | 165,275 |
| Random African Capital to Country | 0 | - | 4.97 | 100,800 |
| Random African Country to Capital | 0 | - | 4.94 | 71,323 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,447,066 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,704 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,837 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 176,061 |
| Biggest Cities in the World | 0 | - | 4.91 | 799,989 |
| World Capitals Closest to Jerusalem | 0 | - | 4.47 | 44,981 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,024 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,038 |
| Vietnam War Countries | 0 | - | 4.82 | 94,297 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,721 |
| Countries with Megacities | 0 | - | 4.99 | 264,143 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,565 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,383 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,827 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,439 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 418,294 |
| Biggest Cities in the United States | 0 | - | 4.94 | 979,823 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,500 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,153 |
| Biggest Cities in India | 0 | - | 4.64 | 67,797 |
| Africa Capitals Quiz | 0 | - | 4.99 | 738,736 |
| Countries with the Most Hindus | 0 | - | 4.90 | 123,128 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,232 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,929 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,972 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,825 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,029 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,019 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,492 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,642 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,160 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,157 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,855 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 225,561 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,582 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 134,413 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,004 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,673 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 578,861 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,126 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,013 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,194 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,713 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,785 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 130,788 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,605 |
| Name a City - European Countries | 0 | - | 4.90 | 65,496 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,769 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,409 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,060 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,665 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,586 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,025 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,259 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,428 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,941 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,900 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,771 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,407 |
| Largest City by Island | 0 | - | 4.87 | 71,976 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,082 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,089 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,657 |
| Megacities on a World Map | 0 | - | 4.98 | 254,997 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,442 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,075 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 346,258 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,566 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,951 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,110 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,558 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,115 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,412 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,259 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,840 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,294 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,600 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,340 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,845 |
| Official Cities in the UK | 0 | - | 4.89 | 284,187 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,839 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,256 |
| Europe Capital to Country | 0 | - | 4.99 | 250,603 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,045 |
| European Capitals by Map | 0 | - | 4.99 | 139,616 |
| African Capitals by Map | 0 | - | 4.99 | 134,041 |
| South America Capitals Quiz | 0 | - | 5.00 | 481,986 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,233 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,574 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,127 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,418 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,190 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,531 |
| European Coastal Capitals | 0 | - | 4.95 | 90,709 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,409 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,269 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,878 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,238 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,351 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,305 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,080 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,243 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 136,109 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,889 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,858 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,517 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,278 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,481 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,722 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,961 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,584 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,595 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,555 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,269 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 148,677 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,041 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,902 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,592 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,186 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,194 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,927 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 16,009 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,550 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,693 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,233 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,761 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 97,344 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,695 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,464 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 135,036 |
| Most Populous Islands | 0 | - | 4.80 | 122,982 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,314 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,550 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,172 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,855 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,265 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,252 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,445 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,435 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 126,342 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 82,550 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,944 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,871 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,272 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,388 |
| Biggest Cities in Japan | 0 | - | 4.69 | 83,171 |
| Biggest Cities in Germany | 0 | - | 4.95 | 293,766 |
| Biggest Cities in China | 0 | - | 4.53 | 158,849 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,691,382 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,168 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,903 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 124,073 |
| India State Capitals Quiz | 0 | - | 4.28 | 59,725 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,612 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,560 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,892 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,842 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,242 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,159 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,420 |
| Which City in Europe? | 0 | - | 4.83 | 107,483 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,708 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,722 |
| Arms Exports - United States | 0 | - | 4.77 | 62,468 |
| Country Picture Puzzle Game #1 | 0 | - | 4.86 | 86,550 |
| Every Asian Country Shape | 0 | - | 4.95 | 87,882 |
| Countries in a JetPunk Fish of the World Map | 0 | - | 4.99 | 60,355 |
| Countries in a Blue JetPunk Fish of the World Map | 0 | - | 4.92 | 71,996 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,572 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,344 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 95,304 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,831 |
