| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,721 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,114 |
| Countries with Megacities | 0 | - | 4.99 | 246,764 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,040 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,921 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,464 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,811 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,847 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,571 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,815 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,883 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,865 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,465 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,579 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,598 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,946 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,020 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,201 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,132 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,311 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,902 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,386 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,574 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,450 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,277 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,254 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,599 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,554 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,798 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,205 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 164,101 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,080 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,606 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,844 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,926 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,912 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,975 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,833 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,974 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,821 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,377 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,583 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,543 |
| Biggest Cities in the World | 0 | - | 4.92 | 790,217 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,122 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 99,445 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,946 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,104 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,630 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,642 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,870 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,833 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 129,995 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,474 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,504 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,566 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,044 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,151 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,732 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,666 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,952 |
| Olympic Host Countries | 0 | - | 4.98 | 198,873 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,802 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,522 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 303,437 |
| The Only European Country ... | 0 | - | 4.91 | 213,789 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,113 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,510 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,198 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,652 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,085 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,557 |
| Biggest Cities in the United States | 0 | - | 4.93 | 966,462 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,747 |
| Countries of Africa | 0 | - | 5.00 | 2,507,425 |
| Boundary Waters | 0 | - | 4.92 | 88,033 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,807 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,267 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,421 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,837 |
| Largest City by Island | 0 | - | 4.87 | 71,028 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,384 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,528 |
| Biggest European Cities by Century | 0 | - | 4.98 | 143,146 |
| Megacities on a World Map | 0 | - | 4.98 | 250,912 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,788 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,855 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,703 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,136 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,288 |
| Countries of the Middle East | 0 | - | 4.96 | 198,880 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,243 |
| Slavic Countries | 0 | - | 4.96 | 110,845 |
| African Island Countries | 0 | - | 4.96 | 100,778 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,495 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,388 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 44,992 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,696 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,473 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,085 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,775 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,605 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,703 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,752 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,147 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,154 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,274 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,554 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,249 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,388 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,225 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,500 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,168 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,650 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,496 |
| Most Populous Islands | 0 | - | 4.79 | 121,975 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,200 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,401 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 85,722 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,134 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,012 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,297 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,560 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 341,997 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,488 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,286 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,268 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,908,932 |
| Landlocked Countries | 0 | - | 4.99 | 413,482 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,183 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,350 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,329 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,359 |
| Monarchies of Europe | 0 | - | 4.90 | 97,299 |
| Monarchies of Asia | 0 | - | 4.97 | 70,591 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 56,822 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,430 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,740 |
| Countries that Start with A | 0 | - | 4.97 | 2,146,500 |
| Countries that Start with B | 0 | - | 4.95 | 2,279,618 |
| Countries that Start with C | 0 | - | 4.96 | 1,810,092 |
| Countries that Start with D | 0 | - | 4.96 | 701,381 |
| Countries that Start with E | 0 | - | 4.95 | 1,367,359 |
| Countries that Start with G | 0 | - | 4.97 | 1,492,609 |
| Countries that Start with H | 0 | - | 4.96 | 597,835 |
| Countries that Start with I | 0 | - | 4.92 | 1,280,143 |
| Countries that Start with J | 0 | - | 4.98 | 595,908 |
| Countries that Start with K | 0 | - | 4.97 | 809,295 |
| Countries that Start with L | 0 | - | 4.98 | 1,082,733 |
| Countries that Start with N | 0 | - | 4.93 | 1,109,600 |
| Countries that Start with P | 0 | - | 4.94 | 1,208,417 |
| Countries that Start with S | 0 | - | 4.98 | 1,744,328 |
| Countries that Start with T | 0 | - | 4.90 | 1,004,113 |
| Countries that Start with U | 0 | - | 4.97 | 899,849 |
| Countries that Start with V | 0 | - | 4.98 | 605,020 |
| Countries that Start with F | 0 | - | 4.83 | 612,098 |
| Countries that Start with M | 0 | - | 4.97 | 1,373,178 |
| The Only African Country ... | 0 | - | 4.99 | 128,349 |
| The Only American Country ... | 0 | - | 4.92 | 120,744 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,774 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,245 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,033 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,365 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,020 |
| European Countries with One Border | 0 | - | 4.97 | 181,602 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,512 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,093 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,153 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 94,990 |
| Population Trivia | 0 | - | 4.32 | 27,422 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,904 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,903 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,693 |
| Biggest City by Region | 0 | - | 4.50 | 35,993 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,894 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,531 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,113 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,445 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,564 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,013 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,219 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,917 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,780 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,251 |
| Most Populous Countries in 1800 | 0 | - | 4.32 | 41,815 |
| World Capitals Quiz | 0 | - | 5.00 | 5,030,613 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,530 |
| Himalayan Countries | 0 | - | 4.95 | 135,308 |
| Andean Countries | 0 | - | 4.94 | 82,802 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,199 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,164 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,875 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,580 |
| Danube Countries | 0 | - | 4.97 | 71,067 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,744 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,525 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,444 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,367 |
| European Landlocked Countries | 0 | - | 4.99 | 145,738 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,182 |
