| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,761 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,897 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,467 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,702 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 327,884 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 101,892 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,114 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,344 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,398 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,571 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,400 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,329 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,547 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,047 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,441,472 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,256 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,601 |
| Countries with Megacities | 0 | - | 4.99 | 249,619 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,444 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,739 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,786 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,703 |
| Biggest Cities in the World | 0 | - | 4.91 | 795,242 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,532 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,404 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,123 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,493 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,173 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,216 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,306 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,642 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 223,666 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,667 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 132,234 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,194 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,067 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 415,852 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,267 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,540 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,647 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 57,129 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,219 |
| Biggest Cities in the United States | 0 | - | 4.93 | 973,720 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,159 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,086 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 47,418 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,697 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,146 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,763 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,187 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,407 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,022 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,547 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,850 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,021 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,790 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,748 |
| Largest City by Island | 0 | - | 4.87 | 71,531 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,668 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,483 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,095 |
| Megacities on a World Map | 0 | - | 4.98 | 252,736 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 576,170 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,107 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,533 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,880 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,911 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,218 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,967 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 75,978 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 91,737 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,076 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,345 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,954 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,651 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,736 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,109 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,211 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,744 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,490 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,095 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,912 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,551 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,553 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,363 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,799 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 344,104 |
| Megacities on an Empty Map | 0 | - | 4.97 | 117,813 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,662 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,460 |
| Most Populous Islands | 0 | - | 4.80 | 122,694 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,262 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,482 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,728 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,066 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.84 | 23,240 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,246 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,736 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,341 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,474 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,305 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,600 |
| Boundary Waters | 0 | - | 4.92 | 88,318 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,033 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,767 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,399 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,304 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,021 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,881 |
| Biggest City by Region | 0 | - | 4.50 | 36,090 |
| Most Populous 2nd Cities | 0 | - | 4.77 | 57,021 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,872 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,928 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,937 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,130 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,304 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,125 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,115 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,429 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,283 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,950 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,335 |
| Biggest Cities in Japan | 0 | - | 4.69 | 82,841 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,238 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,843 |
| Biggest Cities in Poland | 0 | - | 4.63 | 53,719 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,541 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,122 |
| Biggest Cities in India | 0 | - | 4.70 | 67,586 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,240,939 |
| Landlocked Countries | 0 | - | 4.99 | 417,581 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,442 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,360 |
| Population Trivia | 0 | - | 4.32 | 27,463 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,182 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 174,333 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 151,927 |
| Biggest Cities in Europe | 0 | - | 4.72 | 544,619 |
| Biggest Cities in History | 0 | - | 4.52 | 89,916 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,248 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,867 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 125,364 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,317 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,350 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,344 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,961 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,187 |
| Biggest Cities in Germany | 0 | - | 4.95 | 292,642 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 95,344 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,833 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 98,034 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,149 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 123,996 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,368 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,079 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,414 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 142,988 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,757 |
| World Capitals Quiz | 0 | - | 5.00 | 5,056,512 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,359 |
| Himalayan Countries | 0 | - | 4.94 | 136,879 |
| Andean Countries | 0 | - | 4.95 | 83,660 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,923 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,247 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,588 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,173 |
| Danube Countries | 0 | - | 4.97 | 71,519 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,356 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,937 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,383 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,443 |
| European Landlocked Countries | 0 | - | 4.99 | 146,264 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,943 |
| Countries with the Most Species | 0 | - | 4.99 | 102,597 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,063 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,374 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,547 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,222 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,882 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,265 |
| Countries in the Alps | 0 | - | 4.86 | 117,483 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,998 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,110 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,334 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,837 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,940 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,357 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,114 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,076 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,882 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,424 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,416 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,265 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,824 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,089 |
| Countries with the Most Grassland | 0 | - | 4.93 | 77,099 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,932 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,968 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,492 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,358 |
