| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 327,252 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,413 |
| Countries with Megacities | 0 | - | 4.99 | 249,213 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,270 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,618 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,581 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,589 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,440,427 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,978 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,321 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,975 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,381 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,114 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,125 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,670 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,327 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,597 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,421 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,981 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,361 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,915 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,438 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,782 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,937 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,079 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,834 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 75,769 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 89,204 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,938 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,186 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,768 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,551 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,635 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,709 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,035 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.84 | 23,195 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,857 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,693 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,529 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,390 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,048 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,839 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,348 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,367 |
| Biggest Cities in the World | 0 | - | 4.91 | 794,430 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,335 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,302 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,194 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,458 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,209 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,479 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 223,429 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,526 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 131,911 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,091 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,983 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,172 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,480 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,534 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 57,065 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,132 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,353 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,030 |
| Olympic Host Countries | 0 | - | 4.98 | 199,696 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,313 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,382 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 306,395 |
| The Only European Country ... | 0 | - | 4.91 | 215,281 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,196 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,401 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,484 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,739 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,175 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 415,534 |
| Biggest Cities in the United States | 0 | - | 4.93 | 972,527 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,956 |
| Countries of Africa | 0 | - | 5.00 | 2,522,693 |
| Boundary Waters | 0 | - | 4.92 | 88,254 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,986 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,681 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,600 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,548 |
| Largest City by Island | 0 | - | 4.87 | 71,442 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,624 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,015 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,013 |
| Megacities on a World Map | 0 | - | 4.98 | 252,452 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,052 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,419 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,716 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,803 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,547 |
| Countries of the Middle East | 0 | - | 4.96 | 199,940 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,789 |
| Slavic Countries | 0 | - | 4.96 | 111,292 |
| African Island Countries | 0 | - | 4.96 | 101,205 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,701 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,420 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.83 | 45,891 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,373 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,021 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,812 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,343 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,290 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,194 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,275 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,420 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,551 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,741 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,936 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,721 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,764 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,615 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,868 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 575,695 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,323,795 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,017,817 |
| Most Populous Islands | 0 | - | 4.80 | 122,617 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,252 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,469 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 85,861 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,480 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,466 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,208 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,763 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 343,768 |
| Megacities on an Empty Map | 0 | - | 4.97 | 117,562 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,609 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,875 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,189,076 |
| Landlocked Countries | 0 | - | 4.99 | 416,976 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,562 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,825 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,760 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,762 |
| Monarchies of Europe | 0 | - | 4.90 | 97,733 |
| Monarchies of Asia | 0 | - | 4.97 | 70,853 |
| Countries with the Most Downhill Skiing | 0 | - | 4.91 | 57,008 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,654 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,783 |
| Countries that Start with A | 0 | - | 4.98 | 2,154,692 |
| Countries that Start with B | 0 | - | 4.95 | 2,286,871 |
| Countries that Start with C | 0 | - | 4.96 | 1,815,951 |
| Countries that Start with D | 0 | - | 4.96 | 705,410 |
| Countries that Start with E | 0 | - | 4.95 | 1,372,169 |
| Countries that Start with G | 0 | - | 4.97 | 1,497,684 |
| Countries that Start with H | 0 | - | 4.96 | 601,172 |
| Countries that Start with I | 0 | - | 4.92 | 1,284,020 |
| Countries that Start with J | 0 | - | 4.98 | 599,171 |
| Countries that Start with K | 0 | - | 4.97 | 812,306 |
| Countries that Start with L | 0 | - | 4.98 | 1,086,480 |
| Countries that Start with N | 0 | - | 4.93 | 1,113,493 |
| Countries that Start with P | 0 | - | 4.94 | 1,212,301 |
| Countries that Start with S | 0 | - | 4.98 | 1,749,495 |
| Countries that Start with T | 0 | - | 4.90 | 1,006,955 |
| Countries that Start with U | 0 | - | 4.97 | 902,131 |
| Countries that Start with V | 0 | - | 4.98 | 607,304 |
| Countries that Start with F | 0 | - | 4.83 | 614,823 |
| Countries that Start with M | 0 | - | 4.97 | 1,377,320 |
| The Only African Country ... | 0 | - | 4.99 | 128,730 |
| The Only American Country ... | 0 | - | 4.92 | 121,205 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,944 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,494 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,467 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,980 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,542 |
| European Countries with One Border | 0 | - | 4.97 | 182,179 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,042 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,751 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,393 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,393 |
| Population Trivia | 0 | - | 4.32 | 27,456 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,240 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,002 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,857 |
| Biggest City by Region | 0 | - | 4.50 | 36,078 |
| Most Populous 2nd Cities | 0 | - | 4.77 | 57,012 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,712 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,299 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,311 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,190 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,113 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,293 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,094 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,468 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,325 |
| Most Populous Countries in 1800 | 0 | - | 4.33 | 41,955 |
| World Capitals Quiz | 0 | - | 5.00 | 5,052,431 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,080 |
| Himalayan Countries | 0 | - | 4.95 | 136,631 |
| Andean Countries | 0 | - | 4.95 | 83,555 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,809 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,097 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,479 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,069 |
| Danube Countries | 0 | - | 4.97 | 71,464 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,273 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,874 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,222 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,213 |
