| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 127,826 |
| Countries with Megacities | 0 | - | 4.99 | 200,118 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 173,667 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 99,122 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 97,198 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 65,107 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 250,943 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,321,729 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 351,946 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.94 | 66,912 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 247,035 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 109,941 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 103,937 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.94 | 71,557 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 138,732 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 110,793 |
| Countries of Europe by Population | 0 | - | 4.98 | 129,616 |
| Most Populous Countries by Year | 0 | - | 4.81 | 94,908 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 79,089 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 97,666 |
| Countries with the Most People Bordering Them | 0 | - | 4.97 | 82,535 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 94,409 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 72,015 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 206,715 |
| First Countries to Reach 5 Million People | 0 | - | 4.90 | 110,370 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.85 | 69,082 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 76,644 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.91 | 54,012 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.92 | 67,347 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 87,682 |
| Countries with the Highest Population Density | 0 | - | 4.93 | 144,919 |
| Countries with the Lowest Population Density | 0 | - | 4.97 | 147,115 |
| Countries by Population Decrease | 0 | - | 4.43 | 46,819 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.55 | 50,125 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.90 | 7,272 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 208,022 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 163,098 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 159,380 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.90 | 81,875 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.92 | 90,227 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 147,183 |
| Most Populous Countries in 1900 | 0 | - | 4.92 | 162,936 |
| Countries by Sports League Revenue | 0 | - | 4.88 | 44,572 |
| Biggest Cities in the World | 0 | - | 4.90 | 696,179 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.39 | 79,271 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.75 | 93,747 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.89 | 51,166 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 117,639 |
| Biggest City by Time Zone | 0 | - | 4.84 | 55,337 |
| Biggest City in Every Country | 0 | - | 4.98 | 80,289 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 172,451 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 93,328 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 98,425 |
| Biggest Cities with Exceptions | 0 | - | 4.91 | 66,071 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.84 | 72,658 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.95 | 66,281 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 42,775 |
| Ten Southernmost Megacities | 0 | - | 4.81 | 46,746 |
| Countries That Use the Euro | 0 | - | 4.93 | 64,960 |
| Olympic Host Countries | 0 | - | 4.98 | 163,445 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 94,303 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 237,233 |
| American Countries on the Pacific Coast | 0 | - | 4.81 | 46,539 |
| The Only European Country ... | 0 | - | 4.93 | 181,398 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 196,481 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.93 | 87,067 |
| Most Populous Country by First Two Letters | 0 | - | 4.75 | 67,414 |
| Demographics Multiple Choice | 0 | - | 4.64 | 40,030 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 375,604 |
| Biggest Cities in the United States | 0 | - | 4.93 | 842,949 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 337,100 |
| Countries of Africa | 0 | - | 5.00 | 2,197,422 |
| Landlocked Countries in Africa | 0 | - | 4.98 | 20,659 |
| Boundary Waters | 0 | - | 4.93 | 81,605 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 75,862 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.87 | 109,701 |
| Biggest Cities by Language | 0 | - | 4.95 | 215,553 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 65,175 |
| Most Populous World Capitals | 0 | - | 4.93 | 149,719 |
| Biggest European Cities by Century | 0 | - | 4.98 | 119,834 |
| Megacities on a World Map | 0 | - | 4.98 | 222,696 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 60,458 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 64,162 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 85,706 |
| Biggest City in Each U.S. State | 0 | - | 4.83 | 152,448 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.95 | 188,933 |
| Countries of the Middle East | 0 | - | 4.96 | 175,746 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 75,805 |
| Slavic Countries | 0 | - | 4.96 | 101,224 |
| African Island Countries | 0 | - | 4.96 | 90,517 |
| Straight Shot to Antarctica | 0 | - | 4.90 | 37,769 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.82 | 32,410 |
| Countries of Asia with Two or More Words | 0 | - | 4.95 | 112,151 |
| Asian Countries Ending in "IA" | 0 | - | 4.94 | 94,661 |
| African Countries with the Shortest Names | 0 | - | 4.97 | 120,832 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 127,902 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 199,889 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 179,272 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 142,052 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 107,608 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 133,533 |
| 10 Westernmost Countries in Europe | 0 | - | 4.95 | 139,614 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 105,957 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 148,856 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 89,745 |
| 10 Easternmost Countries in Asia | 0 | - | 4.98 | 97,678 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 519,416 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.93 | 1,199,724 |
| Countries of North America Quiz | 0 | - | 5.00 | 890,510 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.83 | 30,607 |
| Most Populous Islands | 0 | - | 4.71 | 113,499 |
| Islands by Largest City #1 | 0 | - | 4.48 | 82,474 |
| Most Populous Countries in 1950 | 0 | - | 4.50 | 71,191 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.94 | 26,152 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.97 | 65,164 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 155,886 |
| Biggest Cities in Asia | 0 | - | 4.94 | 97,161 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.91 | 44,083 |
| Megacities on an Empty Map | 0 | - | 4.95 | 88,299 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.87 | 208,676 |
| Countries of the World Quiz | 0 | - | 5.00 | 41,435,215 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 330,575 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 102,738 |
| Asian Countries with the Shortest Names | 0 | - | 4.98 | 122,607 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 101,667 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 85,922 |
| Monarchies of Europe | 0 | - | 4.88 | 87,708 |
| Monarchies of Asia | 0 | - | 4.95 | 54,493 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 51,083 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 113,391 |
| Countries that Start with A | 0 | - | 4.98 | 1,962,621 |
| Countries that Start with B | 0 | - | 4.95 | 2,101,567 |
| Countries that Start with C | 0 | - | 4.96 | 1,662,803 |
| Countries that Start with D | 0 | - | 4.96 | 603,508 |
| Countries that Start with E | 0 | - | 4.95 | 1,244,844 |
| Countries that Start with G | 0 | - | 4.97 | 1,364,560 |
| Countries that Start with H | 0 | - | 4.96 | 514,806 |
| Countries that Start with I | 0 | - | 4.92 | 1,173,704 |
| Countries that Start with J | 0 | - | 4.98 | 517,482 |
| Countries that Start with K | 0 | - | 4.96 | 722,775 |
| Countries that Start with L | 0 | - | 4.98 | 982,258 |
| Countries that Start with N | 0 | - | 4.93 | 1,008,681 |
| Countries that Start with P | 0 | - | 4.95 | 1,111,043 |
| Countries that Start with S | 0 | - | 4.98 | 1,618,108 |
| Countries that Start with T | 0 | - | 4.89 | 919,877 |
| Countries that Start with U | 0 | - | 4.96 | 829,307 |
| Countries that Start with V | 0 | - | 4.98 | 555,414 |
| Countries that Start with F | 0 | - | 4.83 | 544,668 |
| Countries that Start with M | 0 | - | 4.97 | 1,265,166 |
| The Only African Country ... | 0 | - | 4.99 | 120,151 |
| The Only American Country ... | 0 | - | 4.94 | 110,771 |
| African Countries by a Single Clue | 0 | - | 4.92 | 63,967 |
| African Diaspora - Top 10 Countries | 0 | - | 4.91 | 66,600 |
| European Diaspora - Top 11 Countries | 0 | - | 4.89 | 84,798 |
| Asian Diaspora - Top 10 Countries | 0 | - | 4.81 | 38,112 |
| 10 European Countries with the Most Tourists | 0 | - | 4.97 | 122,501 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 92,715 |
| European Countries with One Border | 0 | - | 4.96 | 151,939 |
| European Countries with the Fewest Borders | 0 | - | 4.98 | 145,578 |
| Asian Countries with the Fewest Borders | 0 | - | 4.81 | 89,058 |
| Countries Closest to Africa | 0 | - | 4.95 | 146,137 |
| World Geography on a Map #1 | 0 | - | 4.93 | 67,929 |
| Islands by Largest City #2 | 0 | - | 4.72 | 26,946 |
| Population Trivia | 0 | - | 4.35 | 26,416 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 98,103 |
| Biggest Cities by Trait #1 | 0 | - | 4.45 | 43,241 |
| Biggest City by Region | 0 | - | 4.50 | 33,919 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 53,764 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 64,186 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 68,312 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 201,976 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 121,802 |
| Largest World Capitals with Exceptions | 0 | - | 4.72 | 50,548 |
| Two Largest Cities by First Two Letters | 0 | - | 4.58 | 77,468 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 307,587 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.89 | 99,149 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 47,261 |
| Most Populous Countries in 1800 | 0 | - | 4.34 | 38,776 |
| World Capitals Quiz | 0 | - | 5.00 | 4,542,186 |
| Members of the Arab League | 0 | - | 4.85 | 64,839 |
| Sahara Desert Countries | 0 | - | 4.97 | 129,104 |
| Himalayan Countries | 0 | - | 4.95 | 107,065 |
| Andean Countries | 0 | - | 4.91 | 59,565 |
| Countries with the Oldest Median Age | 0 | - | 4.84 | 60,622 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 50,341 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 103,731 |
| Coffee Producing Countries | 0 | - | 4.82 | 54,589 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 53,899 |
| Danube Countries | 0 | - | 4.96 | 57,026 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 92,040 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 65,130 |
| Countries with the Best Passports | 0 | - | 4.87 | 72,147 |
| Countries with the Worst Passports | 0 | - | 4.88 | 50,009 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 110,300 |
| European Landlocked Countries | 0 | - | 4.99 | 136,656 |
| Partially Recognized Countries | 0 | - | 4.98 | 90,420 |
| Countries with the Most Species | 0 | - | 4.99 | 89,729 |
| Countries 197 to 205 | 0 | - | 4.87 | 56,930 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,900 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 44,198 |
