| Countries With More Than 100 Million People | 0 | - | 4.98 | 137,042 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.95 | 109,625 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.36 | 83,244 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.38 | 69,676 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.28 | 77,993 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.10 | 83,619 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.15 | 65,975 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.23 | 61,745 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.22 | 59,976 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.27 | 67,413 |
| Biggest U.S. Cities A-Z | 0 | - | 4.63 | 122,046 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,309,886 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 349,032 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 125,591 |
| Countries with Megacities | 0 | - | 4.99 | 196,781 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 171,169 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 97,735 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 95,075 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 63,695 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 247,444 |
| Biggest Cities in the World | 0 | - | 4.89 | 685,976 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 116,900 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.94 | 66,003 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 244,808 |
| Most Populous Countries with Exceptions | 0 | - | 4.97 | 108,893 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 89,884 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.93 | 69,091 |
| Biggest City by Time Zone | 0 | - | 4.84 | 54,283 |
| Biggest City in Every Country | 0 | - | 4.97 | 78,670 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 169,484 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 91,941 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 96,033 |
| Biggest Cities with Exceptions | 0 | - | 4.91 | 64,811 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.86 | 71,327 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 370,835 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.94 | 65,114 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 42,315 |
| Ten Southernmost Megacities | 0 | - | 4.81 | 46,334 |
| Biggest Cities in the United States | 0 | - | 4.92 | 815,036 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 333,535 |
| Biggest Cities in Sweden | 0 | - | 4.83 | 37,214 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.29 | 21,411 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.98 | 55,934 |
| Countries of Europe by Population | 0 | - | 4.98 | 126,196 |
| Most Populous Country by First Two Letters | 0 | - | 4.75 | 66,866 |
| Demographics Multiple Choice | 0 | - | 4.66 | 39,740 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 78,574 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 96,411 |
| Countries with the Most People Bordering Them | 0 | - | 4.95 | 75,138 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 69,397 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.87 | 108,938 |
| Biggest Cities by Language | 0 | - | 4.95 | 213,782 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.94 | 64,787 |
| Most Populous World Capitals | 0 | - | 4.92 | 148,349 |
| Biggest European Cities by Century | 0 | - | 4.98 | 118,698 |
| Megacities on a World Map | 0 | - | 4.98 | 220,562 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 512,908 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 59,811 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 63,340 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 84,195 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 151,079 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 205,044 |
| First Countries to Reach 5 Million People | 0 | - | 4.90 | 109,480 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.86 | 68,549 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 76,066 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.91 | 53,617 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.92 | 66,881 |
| Countries with the Highest Population Density | 0 | - | 4.93 | 143,646 |
| Countries with the Lowest Population Density | 0 | - | 4.97 | 144,256 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 204,899 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 160,685 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 157,140 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.91 | 80,744 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.90 | 84,653 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 145,732 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.97 | 64,308 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 154,745 |
| Biggest Cities in Asia | 0 | - | 4.94 | 95,757 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.91 | 43,376 |
| Megacities on an Empty Map | 0 | - | 4.95 | 87,465 |
| Most Populous Countries in 1900 | 0 | - | 4.92 | 161,781 |
| Most Populous Islands | 0 | - | 4.71 | 112,637 |
| Islands by Largest City #1 | 0 | - | 4.48 | 82,034 |
| Countries by Population Decrease | 0 | - | 4.43 | 46,502 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.55 | 49,410 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.97 | 5,489 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.89 | 50,694 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.82 | 63,704 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 67,819 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 199,023 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 109,159 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 303,722 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.89 | 97,338 |
| Boundary Waters | 0 | - | 4.93 | 81,039 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 74,613 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.75 | 93,003 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.48 | 97,518 |
| Biggest Cities by Trait #1 | 0 | - | 4.45 | 43,050 |
| Biggest City by Region | 0 | - | 4.49 | 33,620 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 53,345 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.93 | 131,574 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.84 | 43,893 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.91 | 91,776 |
| Largest World Capitals with Exceptions | 0 | - | 4.72 | 50,351 |
| Two Largest Cities by First Two Letters | 0 | - | 4.58 | 76,520 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 69,403 |
| 500 Biggest US Cities | 0 | - | 4.87 | 97,885 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 47,001 |
| Biggest Cities in Japan | 0 | - | 4.66 | 75,279 |
| Biggest Cities in Russia | 0 | - | 4.49 | 76,353 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 50,125 |
| Biggest Cities in Poland | 0 | - | 4.56 | 48,022 |
| Cities of Ireland | 0 | - | 4.43 | 39,698 |
| Biggest Cities in Canada | 0 | - | 4.66 | 120,326 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 43,533 |
| Biggest Cities in India | 0 | - | 4.72 | 62,335 |
| Countries of the World Quiz | 0 | - | 5.00 | 40,848,001 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 322,807 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.83 | 30,046 |
| World Geography on a Map #1 | 0 | - | 4.93 | 67,247 |
| Islands by Largest City #2 | 0 | - | 4.72 | 26,713 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.38 | 66,838 |
| Most Populous Countries by Year | 0 | - | 4.80 | 93,572 |
| Population Trivia | 0 | - | 4.35 | 26,306 |
| Top 10 Least Populous U.S. States | 0 | - | 4.93 | 172,699 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 149,774 |
| Biggest English-Speaking Cities | 0 | - | 4.42 | 136,147 |
| Biggest Cities in Europe | 0 | - | 4.76 | 463,864 |
| Biggest City by Island | 0 | - | 4.57 | 45,752 |
| Biggest Cities in History | 0 | - | 4.50 | 80,144 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 67,930 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.88 | 50,888 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 90,997 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.50 | 40,103 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.90 | 28,974 |
| Biggest Cities in France - Extreme | 0 | - | 4.89 | 43,647 |
| Biggest World Cities in 1850 | 0 | - | 4.58 | 64,553 |
| Biggest Cities in Brazil | 0 | - | 4.55 | 48,334 |
| Biggest Cities in Germany | 0 | - | 4.95 | 262,723 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 75,922 |
| All Cities in India with Population of 1 Million | 0 | - | 4.79 | 40,891 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 22,750 |
| Biggest Cities Starting With A | 0 | - | 4.55 | 112,104 |
| Biggest Cities Starting With D | 0 | - | 4.49 | 106,796 |
| Biggest Cities Starting With H | 0 | - | 4.55 | 97,559 |
| Biggest Cities Starting With L | 0 | - | 4.45 | 110,383 |
| Biggest Cities Starting With M | 0 | - | 4.50 | 128,690 |
| Biggest Cities Starting With P | 0 | - | 4.47 | 114,607 |
| World Capitals Quiz | 0 | - | 5.00 | 4,491,290 |
| Members of the Arab League | 0 | - | 4.85 | 61,537 |
| Sahara Desert Countries | 0 | - | 4.97 | 126,616 |
| Himalayan Countries | 0 | - | 4.94 | 104,493 |
| Andean Countries | 0 | - | 4.91 | 57,906 |
| Countries with the Oldest Median Age | 0 | - | 4.84 | 58,847 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 49,204 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 102,536 |
| Coffee Producing Countries | 0 | - | 4.81 | 53,975 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 53,217 |
| Danube Countries | 0 | - | 4.97 | 56,590 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 91,619 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 64,792 |
| Countries with the Best Passports | 0 | - | 4.87 | 71,031 |
| Countries with the Worst Passports | 0 | - | 4.87 | 49,245 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 109,020 |
| European Landlocked Countries | 0 | - | 4.99 | 115,061 |
| Partially Recognized Countries | 0 | - | 4.98 | 89,230 |
| Countries with the Most Species | 0 | - | 4.99 | 89,489 |
| Countries 197 to 205 | 0 | - | 4.88 | 56,262 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,635 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 43,972 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 48,177 |
| Countries that Use the Peso | 0 | - | 4.82 | 46,365 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 58,645 |
| Countries with a AAA Credit Rating | 0 | - | 4.89 | 49,063 |
| Countries in the Alps | 0 | - | 4.84 | 102,493 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 85,184 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 86,855 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 71,498 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 78,143 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 93,847 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 87,451 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 89,521 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 46,077 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,268 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 54,564 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 69,332 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 48,524 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 36,614 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 95,375 |
| Arctic Ocean Countries | 0 | - | 4.93 | 71,866 |
| Countries with the Most Grassland | 0 | - | 4.93 | 69,363 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 97,741 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 61,271 |
| Countries that Host the Most Refugees | 0 | - | 4.93 | 53,311 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 195,599 |
| World Countries - Blind Typing | 0 | - | 5.00 | 72,604 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,223 |
| Largest Countries By Category | 0 | - | 4.96 | 144,718 |
| Countries by Countries | 0 | - | 4.96 | 54,543 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,062,418 |
