| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,877 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,002 |
| Countries with Megacities | 0 | - | 4.99 | 264,811 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,831 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,524 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,088 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,604 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,448,791 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,116 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,975 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,280 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,204 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,600 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,777 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,460 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,572 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,906 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,473 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,720 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,775 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,189 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,358 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,519 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,276 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,537 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,318 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,941 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,354 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,655 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,430 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,229 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,396 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,407 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,287 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,706 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,382 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,881 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,593 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,562 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,328 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,540 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,937 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,745 |
| Biggest Cities in the World | 0 | - | 4.91 | 801,349 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,610 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,605 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,865 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,094 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,358 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,161 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 226,052 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,825 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 143,492 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,232 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,834 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,395 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,221 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,332 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,865 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,956 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,207 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,646 |
| Olympic Host Countries | 0 | - | 4.98 | 201,165 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,140 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,742 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 310,988 |
| The Only European Country ... | 0 | - | 4.91 | 217,491 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,867 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,635 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,746 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 418,919 |
| Biggest Cities in the United States | 0 | - | 4.94 | 981,525 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,880 |
| Countries of Africa | 0 | - | 5.00 | 2,546,001 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,913 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,309 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,110 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,041 |
| Largest City by Island | 0 | - | 4.87 | 72,095 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,191 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,248 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,812 |
| Megacities on a World Map | 0 | - | 4.98 | 255,452 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 579,636 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,529 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,219 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,307 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 168,751 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,331,074 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,475 |
| Countries of the Middle East | 0 | - | 4.96 | 201,760 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,608 |
| Slavic Countries | 0 | - | 4.96 | 111,918 |
| African Island Countries | 0 | - | 4.96 | 101,903 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,972 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,691 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.81 | 49,797 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,026,206 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,276 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,827 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,892 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,666 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,411 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,961 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,061 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,727 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,424 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,468 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,819 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,513 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,391 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,250 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,454 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 86,145 |
| Boundary Waters | 0 | - | 4.92 | 88,597 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,268 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,313 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,651 |
| Most Populous Islands | 0 | - | 4.80 | 123,072 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,328 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,576 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,181 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,592 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,422 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,233 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 346,910 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,758 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,213 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,374 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 226,994 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,129 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,592 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,301 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,236 |
| Monarchies of Europe | 0 | - | 4.90 | 98,377 |
| Monarchies of Asia | 0 | - | 4.97 | 71,246 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,507 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,041 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 136,550 |
| Countries that Start with A | 0 | - | 4.98 | 2,167,277 |
| Countries that Start with B | 0 | - | 4.95 | 2,298,628 |
| Countries that Start with C | 0 | - | 4.96 | 1,825,449 |
| Countries that Start with D | 0 | - | 4.96 | 712,068 |
| Countries that Start with E | 0 | - | 4.95 | 1,380,045 |
| Countries that Start with G | 0 | - | 4.97 | 1,506,292 |
| Countries that Start with H | 0 | - | 4.96 | 606,467 |
| Countries that Start with I | 0 | - | 4.92 | 1,290,547 |
| Countries that Start with J | 0 | - | 4.98 | 604,062 |
| Countries that Start with K | 0 | - | 4.97 | 817,610 |
| Countries that Start with L | 0 | - | 4.98 | 1,092,884 |
| Countries that Start with N | 0 | - | 4.93 | 1,119,963 |
| Countries that Start with P | 0 | - | 4.94 | 1,218,318 |
| Countries that Start with S | 0 | - | 4.98 | 1,757,914 |
| Countries that Start with T | 0 | - | 4.90 | 1,011,496 |
| Countries that Start with U | 0 | - | 4.97 | 905,818 |
| Countries that Start with V | 0 | - | 4.98 | 610,271 |
| Countries that Start with F | 0 | - | 4.83 | 618,916 |
| Countries that Start with M | 0 | - | 4.97 | 1,384,108 |
| The Only African Country ... | 0 | - | 4.99 | 129,294 |
| The Only American Country ... | 0 | - | 4.92 | 121,840 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,224 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 72,902 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,066 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,888 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,293 |
| European Countries with One Border | 0 | - | 4.97 | 183,159 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,935 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,428 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,613,171 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,772 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,572 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,056 |
| Biggest City by Region | 0 | - | 4.50 | 36,293 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,203 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,022 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,655 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,897 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,138 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,233 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,384 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,368 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,759 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,468 |
| Most Populous Countries in 1800 | 0 | - | 4.33 | 42,151 |
| Landlocked Countries | 0 | - | 4.99 | 422,357 |
| UK Immigration by Country | 0 | - | 4.94 | 141,191 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.42 | 57,895 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 68,114 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 95,704 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 56,574 |
| Central American Countries | 0 | - | 4.98 | 156,818 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 112,983 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,898 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,295 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,301 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 97,510 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,786 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,414 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,942 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 58,722 |
