| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 327,685 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,540 |
| Countries with Megacities | 0 | - | 4.99 | 249,504 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,385 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,704 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,724 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,664 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,441,159 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,170 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,372 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,080 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,460 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,153 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,197 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,742 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,423 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,668 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,622 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,092 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,388 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,988 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,511 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,827 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,995 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,158 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,936 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 75,943 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 91,367 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,043 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,313 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,918 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,612 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,709 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,721 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,060 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.84 | 23,222 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,016 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,935 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,647 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,458 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,078 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,890 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,430 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,510 |
| Biggest Cities in the World | 0 | - | 4.91 | 794,987 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,354 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,367 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,232 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,507 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,284 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,586 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 223,593 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,621 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 132,149 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,158 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,039 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,231 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,523 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,607 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 57,109 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,195 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,499 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,171 |
| Olympic Host Countries | 0 | - | 4.98 | 199,841 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,391 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,508 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 306,827 |
| The Only European Country ... | 0 | - | 4.91 | 215,494 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,343 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,496 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,513 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,753 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,183 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 415,758 |
| Biggest Cities in the United States | 0 | - | 4.93 | 973,332 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,071 |
| Countries of Africa | 0 | - | 5.00 | 2,524,753 |
| Boundary Waters | 0 | - | 4.92 | 88,300 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,021 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,734 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,744 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,690 |
| Largest City by Island | 0 | - | 4.87 | 71,511 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,656 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,454 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,079 |
| Megacities on a World Map | 0 | - | 4.98 | 252,620 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,085 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,500 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,832 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,876 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,712 |
| Countries of the Middle East | 0 | - | 4.96 | 200,242 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,840 |
| Slavic Countries | 0 | - | 4.96 | 111,344 |
| African Island Countries | 0 | - | 4.96 | 101,259 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,725 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,514 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.83 | 46,025 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,447 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,093 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,895 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,441 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,387 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,260 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,336 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,447 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,624 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,807 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,006 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,811 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,820 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,665 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,922 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 575,998 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,324,496 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,018,559 |
| Most Populous Islands | 0 | - | 4.80 | 122,677 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,257 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,477 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 85,878 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,527 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,528 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,317 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,790 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 344,000 |
| Megacities on an Empty Map | 0 | - | 4.97 | 117,751 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,647 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,960 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,224,386 |
| Landlocked Countries | 0 | - | 4.99 | 417,403 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,602 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,898 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,808 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,810 |
| Monarchies of Europe | 0 | - | 4.90 | 97,788 |
| Monarchies of Asia | 0 | - | 4.97 | 70,888 |
| Countries with the Most Downhill Skiing | 0 | - | 4.91 | 57,041 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,705 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,918 |
| Countries that Start with A | 0 | - | 4.98 | 2,155,786 |
| Countries that Start with B | 0 | - | 4.95 | 2,287,896 |
| Countries that Start with C | 0 | - | 4.96 | 1,816,766 |
| Countries that Start with D | 0 | - | 4.96 | 705,954 |
| Countries that Start with E | 0 | - | 4.95 | 1,372,851 |
| Countries that Start with G | 0 | - | 4.97 | 1,498,397 |
| Countries that Start with H | 0 | - | 4.96 | 601,633 |
| Countries that Start with I | 0 | - | 4.92 | 1,284,568 |
| Countries that Start with J | 0 | - | 4.98 | 599,595 |
| Countries that Start with K | 0 | - | 4.97 | 812,741 |
| Countries that Start with L | 0 | - | 4.98 | 1,087,159 |
| Countries that Start with N | 0 | - | 4.93 | 1,114,027 |
| Countries that Start with P | 0 | - | 4.94 | 1,212,803 |
| Countries that Start with S | 0 | - | 4.98 | 1,750,235 |
| Countries that Start with T | 0 | - | 4.90 | 1,007,332 |
| Countries that Start with U | 0 | - | 4.97 | 902,447 |
| Countries that Start with V | 0 | - | 4.98 | 607,597 |
| Countries that Start with F | 0 | - | 4.83 | 615,208 |
| Countries that Start with M | 0 | - | 4.97 | 1,377,914 |
| The Only African Country ... | 0 | - | 4.99 | 128,785 |
| The Only American Country ... | 0 | - | 4.92 | 121,263 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,973 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,539 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,532 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,079 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,617 |
| European Countries with One Border | 0 | - | 4.97 | 182,264 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,118 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,811 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,432 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,456 |
| Population Trivia | 0 | - | 4.32 | 27,461 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,288 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,014 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,873 |
| Biggest City by Region | 0 | - | 4.50 | 36,086 |
| Most Populous 2nd Cities | 0 | - | 4.77 | 57,021 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,732 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,332 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,415 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,271 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,125 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,302 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,116 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,554 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,330 |
| Most Populous Countries in 1800 | 0 | - | 4.33 | 41,973 |
| World Capitals Quiz | 0 | - | 5.00 | 5,055,215 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,274 |
| Himalayan Countries | 0 | - | 4.95 | 136,803 |
| Andean Countries | 0 | - | 4.95 | 83,628 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,884 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,201 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,557 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,150 |
| Danube Countries | 0 | - | 4.97 | 71,502 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,331 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,918 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,332 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,356 |
