| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,512 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,303 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,919 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,340 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,643 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,414 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,913 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,659 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,878 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,923 |
| Countries with Megacities | 0 | - | 4.99 | 264,617 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,761 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,483 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,021 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,562 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,448,374 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,007 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,948 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,212 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,164 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,571 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,745 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,230 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,464 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,703 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,736 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,158 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,337 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,498 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,988 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,164 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,769 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,238 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,627 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,196 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,362 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,430 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,438 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,333 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,245 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,660 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,345 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,577 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,529 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,523 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,540 |
| Most Populous Countries in 1800 | 0 | - | 4.33 | 42,143 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,877 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,320 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 86,135 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,586 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,260 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,687 |
| Biggest Cities in the World | 0 | - | 4.91 | 800,945 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,589 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,848 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,796 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,410 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,069 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,280 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,017 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 225,880 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,743 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 134,818 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,129 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,759 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 418,745 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,257 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,165 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,281 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,827 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,907 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,109 |
| Biggest Cities in the United States | 0 | - | 4.94 | 981,080 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,773 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,559 |
| Olympic Host Countries | 0 | - | 4.98 | 201,111 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,100 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,672 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 310,771 |
| The Only European Country ... | 0 | - | 4.91 | 217,385 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,793 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,577 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,742 |
| Countries of Africa | 0 | - | 5.00 | 2,544,880 |
| Biggest Cities in History | 0 | - | 4.52 | 90,303 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 78,129 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,539 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,681 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 58,093 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,076 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 89,495 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 70,104 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 165,647 |
| Countries Bordering China Since 1914 | 0 | - | 4.92 | 95,558 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,908 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,303 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,057 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,974 |
| Largest City by Island | 0 | - | 4.87 | 72,069 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,202 |
| Megacities on a World Map | 0 | - | 4.98 | 255,345 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 579,415 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,514 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,188 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,223 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 168,706 |
| Former Capitals | 0 | - | 4.88 | 71,519 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,330,713 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,367 |
| Countries of the Middle East | 0 | - | 4.96 | 201,680 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,557 |
| Slavic Countries | 0 | - | 4.96 | 111,879 |
| African Island Countries | 0 | - | 4.96 | 101,871 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,964 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 82,990 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.81 | 47,445 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,025,804 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,233 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,784 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,833 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,616 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,342 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,922 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,021 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,710 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,396 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,431 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,793 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,477 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,361 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,220 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,434 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 102,003 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,765 |
| Most Populous Islands | 0 | - | 4.80 | 123,048 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,326 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,569 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,157 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,356 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,217 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 346,743 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,709 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,184 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,342 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 226,909 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,684 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,092 |
| Biggest British Empire Countries | 0 | - | 4.74 | 100,185 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,234 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,546 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,274 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,205 |
| Monarchies of Europe | 0 | - | 4.90 | 98,347 |
| Monarchies of Asia | 0 | - | 4.97 | 71,222 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,489 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,019 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 136,472 |
| Countries that Start with A | 0 | - | 4.98 | 2,166,641 |
| Countries that Start with B | 0 | - | 4.95 | 2,298,034 |
| Countries that Start with C | 0 | - | 4.96 | 1,824,986 |
| Countries that Start with D | 0 | - | 4.96 | 711,752 |
| Countries that Start with E | 0 | - | 4.95 | 1,379,637 |
| Countries that Start with G | 0 | - | 4.97 | 1,505,901 |
| Countries that Start with H | 0 | - | 4.96 | 606,229 |
| Countries that Start with I | 0 | - | 4.92 | 1,290,242 |
| Countries that Start with J | 0 | - | 4.98 | 603,842 |
| Countries that Start with K | 0 | - | 4.97 | 817,385 |
| Countries that Start with L | 0 | - | 4.98 | 1,092,586 |
| Countries that Start with N | 0 | - | 4.93 | 1,119,638 |
| Countries that Start with P | 0 | - | 4.94 | 1,218,037 |
| Countries that Start with S | 0 | - | 4.98 | 1,757,513 |
| Countries that Start with T | 0 | - | 4.90 | 1,011,265 |
| Countries that Start with U | 0 | - | 4.97 | 905,650 |
| Countries that Start with V | 0 | - | 4.98 | 610,144 |
| Countries that Start with F | 0 | - | 4.83 | 618,750 |
| Countries that Start with M | 0 | - | 4.97 | 1,383,763 |
| The Only African Country ... | 0 | - | 4.99 | 129,271 |
| The Only American Country ... | 0 | - | 4.92 | 121,816 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,207 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 72,887 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,040 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,845 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,256 |
| European Countries with One Border | 0 | - | 4.97 | 183,115 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,895 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,398 |
| Boundary Waters | 0 | - | 4.92 | 88,579 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,257 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,281 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,742 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,621 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,591 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,001 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,629 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,824 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,093 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,702 |
| UK Immigration by Country | 0 | - | 4.94 | 141,156 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,366 |
