| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,686 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,553 |
| Countries with Megacities | 0 | - | 4.99 | 247,437 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,390 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,163 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,815 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,073 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,436,020 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,890 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,968 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,205 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,998 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,547 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,764 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,379 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,734 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,144 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,288 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,358 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,192 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,447 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,042 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,482 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,667 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,583 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,393 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,350 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,689 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,632 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,883 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,305 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,204 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,209 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,632 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,884 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,986 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 231,114 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,116 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,951 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,050 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,861 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,496 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,668 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,704 |
| Biggest Cities in the World | 0 | - | 4.92 | 791,061 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,167 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 112,918 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,001 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,178 |
| Biggest City by Time Zone | 0 | - | 4.88 | 66,725 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,785 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 222,154 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,971 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 130,261 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,575 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,588 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,676 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,114 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,222 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,801 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 66,759 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,184 |
| Olympic Host Countries | 0 | - | 4.98 | 198,998 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,889 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,715 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 304,091 |
| The Only European Country ... | 0 | - | 4.91 | 214,088 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,306 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,722 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,254 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,679 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,108 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,924 |
| Biggest Cities in the United States | 0 | - | 4.93 | 967,654 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,030 |
| Countries of Africa | 0 | - | 5.00 | 2,510,244 |
| Boundary Waters | 0 | - | 4.92 | 88,073 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,841 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,369 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,640 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,937 |
| Largest City by Island | 0 | - | 4.87 | 71,101 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,428 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,628 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,199 |
| Megacities on a World Map | 0 | - | 4.98 | 251,199 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,848 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,932 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,898 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,255 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,539 |
| Countries of the Middle East | 0 | - | 4.96 | 199,115 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,352 |
| Slavic Countries | 0 | - | 4.96 | 110,923 |
| African Island Countries | 0 | - | 4.96 | 100,858 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,531 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,646 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 45,130 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,845 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,589 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,250 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,877 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,726 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,782 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,865 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,187 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,225 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,384 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,641 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,362 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,481 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,326 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,554 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,652 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,320,630 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,012,802 |
| Most Populous Islands | 0 | - | 4.79 | 122,031 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,212 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,415 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 85,751 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,196 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,121 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,538 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,596 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,330 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,597 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,351 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,379 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,963,923 |
| Landlocked Countries | 0 | - | 4.99 | 414,154 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,265 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,448 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,409 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,415 |
| Monarchies of Europe | 0 | - | 4.90 | 97,390 |
| Monarchies of Asia | 0 | - | 4.97 | 70,642 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 56,858 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,460 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,963 |
| Countries that Start with A | 0 | - | 4.97 | 2,148,139 |
| Countries that Start with B | 0 | - | 4.95 | 2,280,977 |
| Countries that Start with C | 0 | - | 4.96 | 1,811,227 |
| Countries that Start with D | 0 | - | 4.96 | 702,179 |
| Countries that Start with E | 0 | - | 4.95 | 1,368,246 |
| Countries that Start with G | 0 | - | 4.97 | 1,493,618 |
| Countries that Start with H | 0 | - | 4.96 | 598,476 |
| Countries that Start with I | 0 | - | 4.92 | 1,280,878 |
| Countries that Start with J | 0 | - | 4.98 | 596,541 |
| Countries that Start with K | 0 | - | 4.97 | 809,867 |
| Countries that Start with L | 0 | - | 4.98 | 1,083,444 |
| Countries that Start with N | 0 | - | 4.93 | 1,110,354 |
| Countries that Start with P | 0 | - | 4.94 | 1,209,116 |
| Countries that Start with S | 0 | - | 4.98 | 1,745,361 |
| Countries that Start with T | 0 | - | 4.90 | 1,004,652 |
| Countries that Start with U | 0 | - | 4.97 | 900,259 |
| Countries that Start with V | 0 | - | 4.98 | 605,429 |
| Countries that Start with F | 0 | - | 4.83 | 612,621 |
| Countries that Start with M | 0 | - | 4.97 | 1,373,992 |
| The Only African Country ... | 0 | - | 4.99 | 128,411 |
| The Only American Country ... | 0 | - | 4.92 | 120,834 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,806 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,283 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,092 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,497 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,137 |
| European Countries with One Border | 0 | - | 4.97 | 181,726 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,632 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,168 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,206 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,062 |
| Population Trivia | 0 | - | 4.32 | 27,428 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,973 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,921 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,733 |
| Biggest City by Region | 0 | - | 4.50 | 36,009 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,921 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,565 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,142 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,629 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,687 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,035 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,236 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,944 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,891 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,266 |
| Most Populous Countries in 1800 | 0 | - | 4.32 | 41,838 |
| World Capitals Quiz | 0 | - | 5.00 | 5,035,028 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,802 |
| Himalayan Countries | 0 | - | 4.95 | 135,532 |
| Andean Countries | 0 | - | 4.94 | 82,930 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,296 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,327 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,994 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,669 |
| Danube Countries | 0 | - | 4.97 | 71,126 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,831 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,593 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,594 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,503 |
| European Landlocked Countries | 0 | - | 4.99 | 145,823 |
