| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,837 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,163 |
| Countries with Megacities | 0 | - | 4.99 | 246,828 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,084 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,948 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,498 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,836 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,962 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,598 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,833 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,908 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,875 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,476 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,593 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,606 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,974 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,059 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,218 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,138 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,328 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,920 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,398 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,587 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,464 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,287 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,263 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,606 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,560 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,808 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,213 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 164,107 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,089 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,608 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,844 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,930 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,946 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,988 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,845 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,983 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,827 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,393 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,589 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,560 |
| Biggest Cities in the World | 0 | - | 4.92 | 790,318 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,127 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 99,452 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,949 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,111 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,641 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,666 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,903 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,849 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 130,024 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,483 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,514 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,576 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,051 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,157 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,739 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,678 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,975 |
| Olympic Host Countries | 0 | - | 4.98 | 198,894 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,811 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,547 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 303,515 |
| The Only European Country ... | 0 | - | 4.91 | 213,821 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,133 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,527 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,203 |
| 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 | 413,593 |
| Biggest Cities in the United States | 0 | - | 4.93 | 966,591 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,768 |
| Countries of Africa | 0 | - | 5.00 | 2,507,745 |
| Boundary Waters | 0 | - | 4.92 | 88,037 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,813 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,276 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,450 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,849 |
| Largest City by Island | 0 | - | 4.87 | 71,040 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,392 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,543 |
| Biggest European Cities by Century | 0 | - | 4.98 | 143,408 |
| Megacities on a World Map | 0 | - | 4.98 | 250,934 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,795 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,864 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,732 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,145 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,311 |
| Countries of the Middle East | 0 | - | 4.96 | 198,904 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,255 |
| Slavic Countries | 0 | - | 4.96 | 110,854 |
| African Island Countries | 0 | - | 4.96 | 100,786 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,497 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,420 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 45,005 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,701 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,482 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,101 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,787 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,621 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,713 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,760 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,151 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,158 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,288 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,571 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,270 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,407 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,241 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,503 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,214 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,736 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,607 |
| Most Populous Islands | 0 | - | 4.79 | 121,984 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,201 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,404 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 85,725 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,139 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,033 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,317 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,562 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,022 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,504 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,291 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,278 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,914,682 |
| Landlocked Countries | 0 | - | 4.99 | 413,539 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,194 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,357 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,336 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,363 |
| Monarchies of Europe | 0 | - | 4.90 | 97,307 |
| Monarchies of Asia | 0 | - | 4.97 | 70,599 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 56,825 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,432 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,754 |
| Countries that Start with A | 0 | - | 4.97 | 2,146,650 |
| Countries that Start with B | 0 | - | 4.95 | 2,279,744 |
| Countries that Start with C | 0 | - | 4.96 | 1,810,197 |
| Countries that Start with D | 0 | - | 4.96 | 701,458 |
| Countries that Start with E | 0 | - | 4.95 | 1,367,434 |
| Countries that Start with G | 0 | - | 4.97 | 1,492,682 |
| Countries that Start with H | 0 | - | 4.96 | 597,898 |
| Countries that Start with I | 0 | - | 4.92 | 1,280,197 |
| Countries that Start with J | 0 | - | 4.98 | 595,961 |
| Countries that Start with K | 0 | - | 4.97 | 809,342 |
| Countries that Start with L | 0 | - | 4.98 | 1,082,803 |
| Countries that Start with N | 0 | - | 4.93 | 1,109,663 |
| Countries that Start with P | 0 | - | 4.94 | 1,208,478 |
| Countries that Start with S | 0 | - | 4.98 | 1,744,430 |
| Countries that Start with T | 0 | - | 4.90 | 1,004,159 |
| Countries that Start with U | 0 | - | 4.97 | 899,884 |
| Countries that Start with V | 0 | - | 4.98 | 605,057 |
| Countries that Start with F | 0 | - | 4.83 | 612,137 |
| Countries that Start with M | 0 | - | 4.97 | 1,373,243 |
| The Only African Country ... | 0 | - | 4.99 | 128,361 |
| The Only American Country ... | 0 | - | 4.92 | 120,757 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,776 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,246 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,037 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,386 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,036 |
| European Countries with One Border | 0 | - | 4.97 | 181,620 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,519 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,106 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,159 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 94,994 |
| Population Trivia | 0 | - | 4.32 | 27,423 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,911 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,905 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,701 |
| Biggest City by Region | 0 | - | 4.50 | 35,994 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,899 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,534 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,115 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,463 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,579 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,017 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,221 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,920 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,788 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,254 |
| Most Populous Countries in 1800 | 0 | - | 4.32 | 41,817 |
| World Capitals Quiz | 0 | - | 5.00 | 5,031,024 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,559 |
| Himalayan Countries | 0 | - | 4.95 | 135,331 |
| Andean Countries | 0 | - | 4.94 | 82,810 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,206 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,188 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,885 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,591 |
| Danube Countries | 0 | - | 4.97 | 71,072 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,751 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,531 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,457 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,379 |
| European Landlocked Countries | 0 | - | 4.99 | 145,743 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,193 |
