| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 333,172 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,427 |
| Countries with Megacities | 0 | - | 4.99 | 265,823 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,221 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,748 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,488 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,834 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,451,132 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,686 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,117 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,606 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,429 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,728 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 93,971 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,693 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,252 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,121 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 124,724 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,809 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,017 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,406 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,540 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,681 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,522 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,698 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,395 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,065 |
| 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 | 97,584 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,415 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,640 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,907 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,674 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,296 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,647 |
| 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 | 159,783 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,402 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,667 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,066 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,082 |
| Biggest Cities in the World | 0 | - | 4.92 | 803,282 |
| 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 | 115,985 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,261 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,641 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,544 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 226,679 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,144 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 148,781 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,507 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,039 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,684 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,422 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,505 |
| Ten Southernmost Megacities | 0 | - | 4.88 | 65,030 |
| 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 | 131,742 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,180 |
| Olympic Host Countries | 0 | - | 4.98 | 201,534 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,564 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,634 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 312,241 |
| The Only European Country ... | 0 | - | 4.91 | 218,207 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,327 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,081 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,815 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 419,678 |
| Biggest Cities in the United States | 0 | - | 4.94 | 984,081 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,408 |
| Countries of Africa | 0 | - | 5.00 | 2,551,669 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,959 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,345 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,340 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,361 |
| Largest City by Island | 0 | - | 4.87 | 72,247 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,307 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,457 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,965 |
| Megacities on a World Map | 0 | - | 4.98 | 256,102 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 580,672 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,641 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,431 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,683 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,365 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,333,192 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,116 |
| Countries of the Middle East | 0 | - | 4.96 | 202,186 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,892 |
| Slavic Countries | 0 | - | 4.96 | 112,139 |
| African Island Countries | 0 | - | 4.96 | 102,198 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,058 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,011 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 52,445 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,028,450 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,522 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,065 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,259 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,906 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,999 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,236 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,311 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,842 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,607 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,797 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,266 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,034 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,676 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,943 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,928 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 86,222 |
| Boundary Waters | 0 | - | 4.92 | 88,665 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,330 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,474 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,787 |
| Most Populous Islands | 0 | - | 4.80 | 123,178 |
| 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 | 74,352 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,783 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,786 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,321 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 347,706 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,975 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,361 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,507 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,262 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,298 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,836 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,476 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,346 |
| 10 Easternmost Countries in Africa | 0 | - | 4.97 | 24,387 |
| Monarchies of Europe | 0 | - | 4.90 | 98,578 |
| Monarchies of Asia | 0 | - | 4.97 | 71,367 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,609 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,154 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 136,958 |
| Countries that Start with A | 0 | - | 4.98 | 2,171,054 |
| Countries that Start with B | 0 | - | 4.95 | 2,302,168 |
| Countries that Start with C | 0 | - | 4.96 | 1,828,130 |
| Countries that Start with D | 0 | - | 4.96 | 714,023 |
| Countries that Start with E | 0 | - | 4.95 | 1,382,257 |
| Countries that Start with G | 0 | - | 4.97 | 1,508,545 |
| Countries that Start with H | 0 | - | 4.96 | 607,862 |
| Countries that Start with I | 0 | - | 4.92 | 1,292,362 |
| Countries that Start with J | 0 | - | 4.98 | 605,337 |
| Countries that Start with K | 0 | - | 4.97 | 819,004 |
| Countries that Start with L | 0 | - | 4.98 | 1,094,620 |
| Countries that Start with N | 0 | - | 4.93 | 1,121,661 |
| Countries that Start with P | 0 | - | 4.94 | 1,219,969 |
| Countries that Start with S | 0 | - | 4.98 | 1,760,215 |
| Countries that Start with T | 0 | - | 4.90 | 1,013,225 |
| Countries that Start with U | 0 | - | 4.97 | 907,065 |
| Countries that Start with V | 0 | - | 4.98 | 611,038 |
| Countries that Start with F | 0 | - | 4.83 | 619,970 |
| Countries that Start with M | 0 | - | 4.97 | 1,385,946 |
| The Only African Country ... | 0 | - | 4.99 | 129,478 |
| The Only American Country ... | 0 | - | 4.92 | 122,017 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,303 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,172 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,281 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,188 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,561 |
| European Countries with One Border | 0 | - | 4.97 | 183,446 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,201 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,596 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,726,926 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,937 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,606 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,093 |
| Biggest City by Region | 0 | - | 4.50 | 36,330 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,253 |
| 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 | 225,258 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,401 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,269 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,412 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,457 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,081 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,508 |
| Most Populous Countries in 1800 | 0 | - | 4.33 | 42,186 |
| Landlocked Countries | 0 | - | 4.99 | 423,768 |
| UK Immigration by Country | 0 | - | 4.94 | 141,415 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.42 | 57,958 |
| Countries with Major League Baseball Players | 0 | - | 4.62 | 68,241 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 95,839 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 56,689 |
| Central American Countries | 0 | - | 4.98 | 157,060 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,118 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,115 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,528 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,329 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 97,722 |
| 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 | 245,650 |
