| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,854 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,979 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,619 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,842 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,661 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 101,976 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,193 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,407 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,465 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,626 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,439 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,381 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,597 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,098 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,442,796 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,600 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,895 |
| Countries with Megacities | 0 | - | 4.99 | 257,001 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,759 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,918 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,060 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,923 |
| Biggest Cities in the World | 0 | - | 4.91 | 796,351 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,686 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,515 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,336 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,644 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,243 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,332 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,426 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,837 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 224,012 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,829 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 132,669 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,321 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,164 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 416,351 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,400 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,634 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,738 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 57,195 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,329 |
| Biggest Cities in the United States | 0 | - | 4.93 | 975,167 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,459 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,129 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,457 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,046 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,341 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,790 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,205 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,487 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,176 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,671 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,947 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,129 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,987 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,936 |
| Largest City by Island | 0 | - | 4.87 | 71,635 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,756 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,617 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,209 |
| Megacities on a World Map | 0 | - | 4.98 | 253,211 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 576,838 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,185 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,646 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,137 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,033 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,699 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,072 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,048 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,348 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,145 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,422 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,050 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,749 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,867 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,378 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,457 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,980 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,595 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,324 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,009 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,642 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,693 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,582 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,871 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 344,622 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,046 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,768 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,557 |
| Most Populous Islands | 0 | - | 4.80 | 122,764 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,273 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,496 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,757 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,111 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.84 | 23,289 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,304 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,779 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,376 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,814 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,464 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,884 |
| Boundary Waters | 0 | - | 4.92 | 88,363 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,061 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,883 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,482 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,378 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,041 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,910 |
| Biggest City by Region | 0 | - | 4.50 | 36,115 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,046 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,994 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,026 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,087 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,144 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,318 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,153 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,207 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,539 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,428 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,014 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,356 |
| Biggest Cities in Japan | 0 | - | 4.69 | 82,899 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,290 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,887 |
| Biggest Cities in Poland | 0 | - | 4.63 | 53,777 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,647 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,155 |
| Biggest Cities in India | 0 | - | 4.63 | 67,640 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,309,843 |
| Landlocked Countries | 0 | - | 4.99 | 418,515 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,482 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,404 |
| Population Trivia | 0 | - | 4.32 | 27,471 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,300 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 174,739 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 152,022 |
| Biggest Cities in Europe | 0 | - | 4.72 | 545,201 |
| Biggest Cities in History | 0 | - | 4.52 | 89,987 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 75,276 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,940 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 125,594 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,346 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,480 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,377 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 53,009 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,238 |
| Biggest Cities in Germany | 0 | - | 4.95 | 292,899 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 95,569 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,922 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 98,278 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,167 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,091 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,433 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,170 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,492 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,079 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,842 |
| World Capitals Quiz | 0 | - | 5.00 | 5,061,736 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,764 |
| Himalayan Countries | 0 | - | 4.94 | 137,230 |
| Andean Countries | 0 | - | 4.95 | 83,835 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,084 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,487 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,761 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,288 |
| Danube Countries | 0 | - | 4.97 | 71,611 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,487 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,011 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,571 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,633 |
| European Landlocked Countries | 0 | - | 4.99 | 146,724 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,068 |
| Countries with the Most Species | 0 | - | 4.99 | 102,863 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,203 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,415 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,573 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,274 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,949 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,325 |
| Countries in the Alps | 0 | - | 4.87 | 117,625 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,090 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,290 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,382 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,938 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,046 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,415 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,230 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,146 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,942 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,516 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,453 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,315 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,891 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,162 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,179 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,111 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,035 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,550 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,471 |