| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,296 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,901 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,332 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,636 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,399 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,903 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,516 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,854 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,868 |
| Countries with Megacities | 0 | - | 4.99 | 264,498 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,721 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,457 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 137,979 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,526 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,448,064 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,945 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,920 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,166 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,132 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,548 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,725 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,210 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,388 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,696 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,709 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,132 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,320 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,478 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,975 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,143 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,742 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,209 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,590 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,178 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,334 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,403 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,411 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,298 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,195 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,628 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,324 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,569 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,502 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,514 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,513 |
| Most Populous Countries in 1800 | 0 | - | 4.33 | 42,137 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,869 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,308 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 86,125 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,570 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,234 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,658 |
| Biggest Cities in the World | 0 | - | 4.91 | 800,756 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,582 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,832 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,787 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,397 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,045 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,255 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,995 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 225,809 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,699 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 134,738 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,104 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,747 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 418,658 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,228 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,142 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,260 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,801 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,872 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,035 |
| Biggest Cities in the United States | 0 | - | 4.94 | 980,808 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,709 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,503 |
| Olympic Host Countries | 0 | - | 4.98 | 201,077 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,071 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,634 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 310,601 |
| The Only European Country ... | 0 | - | 4.91 | 217,319 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,738 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,525 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,730 |
| Countries of Africa | 0 | - | 5.00 | 2,543,846 |
| Biggest Cities in History | 0 | - | 4.52 | 90,286 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 78,052 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,531 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,653 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 58,085 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,050 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 89,474 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 70,083 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 165,619 |
| Countries Bordering China Since 1914 | 0 | - | 4.92 | 95,527 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,906 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,297 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,031 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,931 |
| Largest City by Island | 0 | - | 4.87 | 72,048 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,178 |
| Megacities on a World Map | 0 | - | 4.98 | 255,271 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 579,289 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,490 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,164 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,163 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,964 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,677 |
| Former Capitals | 0 | - | 4.88 | 71,514 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,330,489 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,301 |
| Countries of the Middle East | 0 | - | 4.96 | 201,613 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,530 |
| Slavic Countries | 0 | - | 4.96 | 111,863 |
| African Island Countries | 0 | - | 4.96 | 101,844 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,953 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 82,961 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.81 | 47,392 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,025,490 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,195 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,747 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,792 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,594 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,287 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,892 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,990 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,700 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,377 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,406 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,771 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,450 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,346 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,209 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,412 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,992 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,733 |
| Most Populous Islands | 0 | - | 4.80 | 123,035 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,324 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,561 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,132 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,324 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.93 | 50,205 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 346,643 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,689 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,164 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,324 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 226,888 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,682 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,075 |
| Biggest British Empire Countries | 0 | - | 4.74 | 100,167 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,223 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,513 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,261 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,194 |
| Monarchies of Europe | 0 | - | 4.90 | 98,326 |
| Monarchies of Asia | 0 | - | 4.97 | 71,203 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,482 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,000 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 136,397 |
| Countries that Start with A | 0 | - | 4.98 | 2,166,194 |
| Countries that Start with B | 0 | - | 4.95 | 2,297,640 |
| Countries that Start with C | 0 | - | 4.96 | 1,824,687 |
| Countries that Start with D | 0 | - | 4.96 | 711,519 |
| Countries that Start with E | 0 | - | 4.95 | 1,379,394 |
| Countries that Start with G | 0 | - | 4.97 | 1,505,651 |
| Countries that Start with H | 0 | - | 4.96 | 606,082 |
| Countries that Start with I | 0 | - | 4.92 | 1,290,025 |
| Countries that Start with J | 0 | - | 4.98 | 603,689 |
| Countries that Start with K | 0 | - | 4.97 | 817,211 |
| Countries that Start with L | 0 | - | 4.98 | 1,092,403 |
| Countries that Start with N | 0 | - | 4.93 | 1,119,440 |
| Countries that Start with P | 0 | - | 4.94 | 1,217,845 |
| Countries that Start with S | 0 | - | 4.98 | 1,757,235 |
| Countries that Start with T | 0 | - | 4.90 | 1,011,136 |
| Countries that Start with U | 0 | - | 4.97 | 905,554 |
| Countries that Start with V | 0 | - | 4.98 | 610,073 |
| Countries that Start with F | 0 | - | 4.83 | 618,629 |
| Countries that Start with M | 0 | - | 4.97 | 1,383,572 |
| The Only African Country ... | 0 | - | 4.99 | 129,262 |
| The Only American Country ... | 0 | - | 4.92 | 121,792 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,196 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 72,871 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,026 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,813 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,228 |
| European Countries with One Border | 0 | - | 4.97 | 183,089 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,865 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,374 |
| Boundary Waters | 0 | - | 4.92 | 88,565 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,244 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,258 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,697 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,593 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,564 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,995 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,626 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,765 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,062 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,670 |
| UK Immigration by Country | 0 | - | 4.94 | 141,131 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,356 |
