| Countries of Europe by Population | 0 | - | 4.98 | 182,286 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,710 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,931 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,689 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,321 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,656 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,727 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 124,733 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 333,262 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,451,274 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,719 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,448 |
| Countries with Megacities | 0 | - | 4.99 | 265,887 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,240 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,755 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,500 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,852 |
| Biggest Cities in the World | 0 | - | 4.92 | 803,430 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,267 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,122 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,613 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,438 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,734 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 93,981 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,405 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,670 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,571 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 226,727 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,168 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 148,890 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,522 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,054 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 419,733 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,703 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,437 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,515 |
| Ten Southernmost Megacities | 0 | - | 4.88 | 65,039 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,164 |
| Biggest Cities in the United States | 0 | - | 4.94 | 984,248 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,442 |
| North American Sports Cities | 0 | - | 4.83 | 172,925 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,483 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,126 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,963 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,347 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,814 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,029 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,416 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,547 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,687 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,353 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,378 |
| Largest City by Island | 0 | - | 4.87 | 72,254 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,314 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,474 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,975 |
| Megacities on a World Map | 0 | - | 4.98 | 256,144 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 580,720 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,648 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,448 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,719 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,385 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,537 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,708 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,397 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,073 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,421 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,735 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,588 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,020 |
| Capitals of 2018 FIFA World Cup Teams | 0 | - | 4.67 | 30,983 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,425 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,651 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 159,790 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,362 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,807 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,843 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,327 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 347,760 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,991 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,374 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,078 |
| Most Populous Islands | 0 | - | 4.80 | 123,183 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,349 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,606 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,931 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,405 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,677 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,698 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,224 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,884 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,282 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,426 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,101 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,127 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,694 |
| Boundary Waters | 0 | - | 4.92 | 88,669 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,332 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,485 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,997 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,944 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,609 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,099 |
| Biggest City by Region | 0 | - | 4.50 | 36,334 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,254 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,814 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,791 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 119,010 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,273 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,413 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,464 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 83,943 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,260 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,823 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,722 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,517 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,657 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,947 |
| Random European Capital to Country | 0 | - | 4.98 | 191,808 |
| Random European Country to Capital | 0 | - | 4.93 | 165,657 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,871 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,253 |
| Random African Capital to Country | 0 | - | 4.97 | 101,141 |
| Random African Country to Capital | 0 | - | 4.94 | 71,600 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,733,866 |
| Landlocked Countries | 0 | - | 4.99 | 423,836 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,238 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,219 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,821 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,218 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,672 |
| Population Trivia | 0 | - | 4.32 | 27,536 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,378 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 177,301 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 165,530 |
| Biggest Cities in Europe | 0 | - | 4.73 | 548,228 |
| Biggest Cities in History | 0 | - | 4.52 | 90,441 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 78,699 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,418 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 126,994 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.54 | 43,546 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,209 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,620 |
| Biggest Cities in Germany | 0 | - | 4.95 | 294,641 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 96,942 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,421 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,720 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,373 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 99,636 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 47,861 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,948 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 117,019 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,814 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,392 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,867 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,532 |
| Winter Olympics Hosts | 0 | - | 4.41 | 87,642 |
| World Capitals Quiz | 0 | - | 5.00 | 5,094,892 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,355 |
| Himalayan Countries | 0 | - | 4.94 | 139,531 |
| Andean Countries | 0 | - | 4.94 | 85,064 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,247 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,457 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,806 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,119 |
| Danube Countries | 0 | - | 4.97 | 72,209 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,308 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,624 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,712 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,216 |
| European Landlocked Countries | 0 | - | 4.99 | 147,378 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,984 |
| Countries with the Most Species | 0 | - | 4.99 | 103,424 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,113 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,681 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,793 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,699 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,439 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,852 |
| Countries in the Alps | 0 | - | 4.87 | 118,496 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,081 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,457 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,813 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,814 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,749 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,098 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,923 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,674 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,299 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,018 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,762 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,632 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,390 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,639 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,721 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,381 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,476 |
| Countries that Host the Most Refugees | 0 | - | 4.97 | 65,241 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,364 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,924 |
