| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 333,192 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,430 |
| Countries with Megacities | 0 | - | 4.99 | 265,841 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,230 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,749 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,489 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,837 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,451,173 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,694 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,118 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,609 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,433 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,731 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 93,973 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,700 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,258 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,122 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 124,725 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,812 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,021 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,409 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,542 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,684 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,529 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,700 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,395 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,068 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,417 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,731 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,585 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,418 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,645 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,915 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,675 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,302 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,648 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,931 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,722 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 159,786 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,403 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,668 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,073 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,084 |
| Biggest Cities in the World | 0 | - | 4.92 | 803,308 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,693 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,668 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,992 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,262 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,646 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,550 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 226,688 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,151 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 148,800 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,510 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,043 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,689 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,425 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,507 |
| Ten Southernmost Megacities | 0 | - | 4.88 | 65,032 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,151 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,745 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,184 |
| Olympic Host Countries | 0 | - | 4.98 | 201,537 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,567 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,639 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 312,258 |
| The Only European Country ... | 0 | - | 4.91 | 218,217 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,335 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,084 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,816 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 419,691 |
| Biggest Cities in the United States | 0 | - | 4.94 | 984,126 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,417 |
| Countries of Africa | 0 | - | 5.00 | 2,551,735 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,960 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,346 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,342 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,365 |
| Largest City by Island | 0 | - | 4.87 | 72,248 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,309 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,461 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,967 |
| Megacities on a World Map | 0 | - | 4.98 | 256,115 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 580,683 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,643 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,434 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,693 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,365 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,333,212 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,124 |
| Countries of the Middle East | 0 | - | 4.96 | 202,191 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,894 |
| Slavic Countries | 0 | - | 4.96 | 112,142 |
| African Island Countries | 0 | - | 4.96 | 102,199 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,059 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,019 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 52,449 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,028,468 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,524 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,065 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,264 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,907 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,002 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,239 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,312 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,844 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,608 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,801 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,267 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,034 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,677 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,948 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,931 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 86,223 |
| Boundary Waters | 0 | - | 4.92 | 88,666 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,331 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,476 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,789 |
| Most Populous Islands | 0 | - | 4.80 | 123,180 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,349 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,604 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,356 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,789 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,792 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,323 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 347,717 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,981 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,361 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,509 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,266 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,299 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,841 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,479 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,347 |
| 10 Easternmost Countries in Africa | 0 | - | 4.97 | 24,409 |
| Monarchies of Europe | 0 | - | 4.90 | 98,582 |
| Monarchies of Asia | 0 | - | 4.97 | 71,367 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,611 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,155 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 136,960 |
| Countries that Start with A | 0 | - | 4.98 | 2,171,118 |
| Countries that Start with B | 0 | - | 4.95 | 2,302,223 |
| Countries that Start with C | 0 | - | 4.96 | 1,828,170 |
| Countries that Start with D | 0 | - | 4.96 | 714,056 |
| Countries that Start with E | 0 | - | 4.95 | 1,382,291 |
| Countries that Start with G | 0 | - | 4.97 | 1,508,585 |
| Countries that Start with H | 0 | - | 4.96 | 607,883 |
| Countries that Start with I | 0 | - | 4.92 | 1,292,386 |
| Countries that Start with J | 0 | - | 4.98 | 605,357 |
| Countries that Start with K | 0 | - | 4.97 | 819,029 |
| Countries that Start with L | 0 | - | 4.98 | 1,094,652 |
| Countries that Start with N | 0 | - | 4.93 | 1,121,687 |
| Countries that Start with P | 0 | - | 4.94 | 1,219,989 |
| Countries that Start with S | 0 | - | 4.98 | 1,760,251 |
| Countries that Start with T | 0 | - | 4.90 | 1,013,246 |
| Countries that Start with U | 0 | - | 4.97 | 907,094 |
| Countries that Start with V | 0 | - | 4.98 | 611,049 |
| Countries that Start with F | 0 | - | 4.83 | 619,989 |
| Countries that Start with M | 0 | - | 4.97 | 1,385,977 |
| The Only African Country ... | 0 | - | 4.99 | 129,479 |
| The Only American Country ... | 0 | - | 4.92 | 122,020 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,303 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,176 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,284 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,193 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,563 |
| European Countries with One Border | 0 | - | 4.97 | 183,448 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,204 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,598 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,728,504 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,940 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,606 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,094 |
| Biggest City by Region | 0 | - | 4.50 | 36,331 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,254 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,220 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,878 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,261 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,405 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,269 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,413 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,460 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,085 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,508 |
| Most Populous Countries in 1800 | 0 | - | 4.33 | 42,191 |
| Landlocked Countries | 0 | - | 4.99 | 423,783 |
| UK Immigration by Country | 0 | - | 4.94 | 141,416 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.42 | 57,958 |
| Countries with Major League Baseball Players | 0 | - | 4.62 | 68,243 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 95,840 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 56,690 |
| Central American Countries | 0 | - | 4.98 | 157,063 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,118 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,117 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,532 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,330 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 97,724 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,919 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,472 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,660 |
