| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,488 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,295 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,901 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,330 |
| 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 | 331,511 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,850 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,864 |
| Countries with Megacities | 0 | - | 4.99 | 264,485 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,718 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,457 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 137,977 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,521 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,448,040 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,938 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,918 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,164 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,129 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,546 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,725 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,209 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,385 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,694 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,707 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,130 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,318 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,473 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,973 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,142 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,742 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,208 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,585 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,175 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,333 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,400 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,410 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,297 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,192 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,627 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,324 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,566 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,501 |
| 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 | 42,136 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,869 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,305 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 86,124 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,568 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,231 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,655 |
| Biggest Cities in the World | 0 | - | 4.91 | 800,743 |
| 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 | 72,786 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,396 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,045 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,253 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,991 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 225,800 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,695 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 134,732 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,103 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,747 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 418,651 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,226 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,140 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,260 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,798 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,870 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,034 |
| Biggest Cities in the United States | 0 | - | 4.94 | 980,790 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,701 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,498 |
| Olympic Host Countries | 0 | - | 4.98 | 201,077 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,068 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,629 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 310,596 |
| The Only European Country ... | 0 | - | 4.91 | 217,313 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,737 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,520 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,730 |
| Countries of Africa | 0 | - | 5.00 | 2,543,813 |
| Biggest Cities in History | 0 | - | 4.52 | 90,285 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 78,048 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,531 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,652 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 58,084 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,049 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 89,471 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 70,082 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 165,617 |
| Countries Bordering China Since 1914 | 0 | - | 4.92 | 95,526 |
| 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 | 129,029 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,930 |
| Largest City by Island | 0 | - | 4.87 | 72,047 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,177 |
| Megacities on a World Map | 0 | - | 4.98 | 255,266 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 579,285 |
| 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 | 75,162 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,156 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,963 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,676 |
| Former Capitals | 0 | - | 4.88 | 71,514 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,330,477 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,296 |
| Countries of the Middle East | 0 | - | 4.96 | 201,609 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,529 |
| Slavic Countries | 0 | - | 4.96 | 111,858 |
| African Island Countries | 0 | - | 4.96 | 101,841 |
| 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 | 47,388 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,025,480 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,191 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,745 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,789 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,592 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,286 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,891 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,988 |
| 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 | 151,402 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,771 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,448 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,345 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,206 |
| 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 | 161,728 |
| Most Populous Islands | 0 | - | 4.80 | 123,033 |
| 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 | 74,130 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,319 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.93 | 50,202 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 346,635 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,685 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,164 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,320 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 226,885 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,682 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,069 |
| Biggest British Empire Countries | 0 | - | 4.74 | 100,165 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,221 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,511 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,257 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,194 |
| Monarchies of Europe | 0 | - | 4.90 | 98,325 |
| Monarchies of Asia | 0 | - | 4.97 | 71,202 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,480 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,999 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 136,394 |
| Countries that Start with A | 0 | - | 4.98 | 2,166,163 |
| Countries that Start with B | 0 | - | 4.95 | 2,297,613 |
| Countries that Start with C | 0 | - | 4.96 | 1,824,671 |
| Countries that Start with D | 0 | - | 4.96 | 711,508 |
| Countries that Start with E | 0 | - | 4.95 | 1,379,381 |
| Countries that Start with G | 0 | - | 4.97 | 1,505,628 |
| Countries that Start with H | 0 | - | 4.96 | 606,067 |
| Countries that Start with I | 0 | - | 4.92 | 1,290,012 |
| Countries that Start with J | 0 | - | 4.98 | 603,682 |
| Countries that Start with K | 0 | - | 4.97 | 817,203 |
| Countries that Start with L | 0 | - | 4.98 | 1,092,391 |
| Countries that Start with N | 0 | - | 4.93 | 1,119,427 |
| Countries that Start with P | 0 | - | 4.94 | 1,217,824 |
| Countries that Start with S | 0 | - | 4.98 | 1,757,214 |
| Countries that Start with T | 0 | - | 4.90 | 1,011,128 |
| Countries that Start with U | 0 | - | 4.97 | 905,547 |
| Countries that Start with V | 0 | - | 4.98 | 610,069 |
| Countries that Start with F | 0 | - | 4.83 | 618,616 |
| Countries that Start with M | 0 | - | 4.97 | 1,383,557 |
| The Only African Country ... | 0 | - | 4.99 | 129,261 |
| The Only American Country ... | 0 | - | 4.92 | 121,791 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,196 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 72,870 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,024 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,812 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,224 |
| European Countries with One Border | 0 | - | 4.97 | 183,084 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,864 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,373 |
| Boundary Waters | 0 | - | 4.92 | 88,564 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,243 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,258 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,695 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,592 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,560 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,995 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,625 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,759 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,058 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,666 |
| UK Immigration by Country | 0 | - | 4.94 | 141,131 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,355 |
