| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,291 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,934 |
| Countries with Megacities | 0 | - | 4.99 | 246,361 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,859 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,768 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,311 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,712 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,006 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,366 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,753 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,765 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,788 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,423 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,523 |
| Countries of Africa | 0 | - | 5.00 | 2,505,599 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,505 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,819 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,103 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,871 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,100 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,208 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,807 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,322 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,503 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,356 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,204 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,200 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,550 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,508 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,741 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,141 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 164,034 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,007 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,010,827 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,784 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,872 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,735 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,926 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,593 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,781 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,303 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,818 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,881 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,519 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,445 |
| Biggest Cities in the World | 0 | - | 4.92 | 789,655 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,892 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,089 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 99,385 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,051 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,555 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,529 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,667 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,756 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 129,781 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,397 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,446 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,482 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 52,984 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,093 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,676 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,610 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,812 |
| Olympic Host Countries | 0 | - | 4.98 | 198,797 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,755 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,406 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 303,003 |
| The Only European Country ... | 0 | - | 4.91 | 213,596 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 209,930 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,383 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,164 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,383 |
| Biggest Cities in the United States | 0 | - | 4.93 | 965,617 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,584 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,638 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,074 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,284 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,747 |
| Largest City by Island | 0 | - | 4.87 | 70,980 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,324 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,451 |
| Biggest European Cities by Century | 0 | - | 4.98 | 140,710 |
| Megacities on a World Map | 0 | - | 4.98 | 250,660 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 572,824 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,738 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,790 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,562 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,064 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,318,893 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,142 |
| Countries of the Middle East | 0 | - | 4.96 | 198,769 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,186 |
| Slavic Countries | 0 | - | 4.96 | 110,796 |
| African Island Countries | 0 | - | 4.96 | 100,700 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,468 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 44,876 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,616 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,399 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 151,973 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,707 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,528 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,625 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,698 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,124 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,111 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,225 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,494 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,181 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,341 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,161 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,451 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 85,694 |
| Boundary Waters | 0 | - | 4.92 | 88,014 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,793 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,207 |
| Most Populous Islands | 0 | - | 4.78 | 121,930 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,194 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,398 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,091 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 166,897 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,165 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,527 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 341,753 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,402 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,245 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,183 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,128 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,276 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,284 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,313 |
| Monarchies of Europe | 0 | - | 4.90 | 97,242 |
| Monarchies of Asia | 0 | - | 4.97 | 70,556 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 56,792 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,398 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,630 |
| Countries that Start with A | 0 | - | 4.97 | 2,145,383 |
| Countries that Start with B | 0 | - | 4.95 | 2,278,606 |
| Countries that Start with C | 0 | - | 4.96 | 1,809,281 |
| Countries that Start with D | 0 | - | 4.96 | 700,828 |
| Countries that Start with E | 0 | - | 4.95 | 1,366,688 |
| Countries that Start with G | 0 | - | 4.97 | 1,491,914 |
| Countries that Start with H | 0 | - | 4.96 | 597,354 |
| Countries that Start with I | 0 | - | 4.92 | 1,279,571 |
| Countries that Start with J | 0 | - | 4.98 | 595,418 |
| Countries that Start with K | 0 | - | 4.96 | 808,874 |
| Countries that Start with L | 0 | - | 4.98 | 1,082,257 |
| Countries that Start with N | 0 | - | 4.93 | 1,109,107 |
| Countries that Start with P | 0 | - | 4.94 | 1,207,945 |
| Countries that Start with S | 0 | - | 4.98 | 1,743,641 |
| Countries that Start with T | 0 | - | 4.90 | 1,003,696 |
| Countries that Start with U | 0 | - | 4.97 | 899,548 |
| Countries that Start with V | 0 | - | 4.98 | 604,729 |
| Countries that Start with F | 0 | - | 4.83 | 611,703 |
| Countries that Start with M | 0 | - | 4.97 | 1,372,615 |
| The Only African Country ... | 0 | - | 4.99 | 128,298 |
| The Only American Country ... | 0 | - | 4.92 | 120,688 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,750 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,212 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 94,983 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,266 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 104,953 |
| European Countries with One Border | 0 | - | 4.97 | 181,511 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,075 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,043 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,873,731 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,853 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,888 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,662 |
| Biggest City by Region | 0 | - | 4.50 | 35,980 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,881 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,501 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,064 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,336 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,498 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,000 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,210 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,896 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,712 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,242 |
| Most Populous Countries in 1800 | 0 | - | 4.32 | 41,801 |
| Landlocked Countries | 0 | - | 4.99 | 413,109 |
| UK Immigration by Country | 0 | - | 4.94 | 139,520 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.41 | 57,549 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,226 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 94,609 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 55,756 |
| Central American Countries | 0 | - | 4.98 | 154,946 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,576 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,698 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,004 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,106 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,807 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,020 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,196 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 56,910 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,139 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,316 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,182 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,027 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,751 |
