| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,158 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,119 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,607 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,192 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,473 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,134 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,628 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,402 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,459 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,160 |
| Countries with Megacities | 0 | - | 4.99 | 261,743 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,030 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,068 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,310 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,105 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,444,006 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,902 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,595 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,528 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,742 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,312 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,431 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,977 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,371 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,533 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,297 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,774 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,039 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,211 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,846 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,836 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,311 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,823 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,911 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,840 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,983 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,759 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,992 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,597 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,641 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,128 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,702 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,374 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,115 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,338 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,981 |
| Most Populous Countries in 1800 | 0 | - | 4.33 | 42,052 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,778 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,161 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 86,002 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,356 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,826 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,099 |
| Biggest Cities in the World | 0 | - | 4.91 | 797,373 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,458 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,569 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,592 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,183 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,793 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,655 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,160 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 224,496 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,071 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 133,210 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,559 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,330 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 416,769 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,633 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,766 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,863 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 63,549 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,474 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 130,017 |
| Biggest Cities in the United States | 0 | - | 4.94 | 976,568 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,738 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,711 |
| Olympic Host Countries | 0 | - | 4.98 | 200,514 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,703 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,971 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 308,487 |
| The Only European Country ... | 0 | - | 4.91 | 216,217 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,928 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,899 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,608 |
| Countries of Africa | 0 | - | 5.00 | 2,532,390 |
| Biggest Cities in History | 0 | - | 4.52 | 90,049 |
| Top 10 World Cities Through History | 0 | - | 4.42 | 76,715 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,418 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,257 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,940 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 103,580 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 89,143 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 69,768 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 165,245 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 95,142 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,813 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,231 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,133 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,145 |
| Largest City by Island | 0 | - | 4.87 | 71,746 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,768 |
| Megacities on a World Map | 0 | - | 4.98 | 253,705 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 577,395 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,263 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,786 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,352 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,167 |
| Former Capitals | 0 | - | 4.88 | 71,401 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,969 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,352 |
| Countries of the Middle East | 0 | - | 4.96 | 200,899 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,106 |
| Slavic Countries | 0 | - | 4.96 | 111,543 |
| African Island Countries | 0 | - | 4.96 | 101,503 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,825 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 82,563 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.83 | 46,751 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,021,437 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,734 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,365 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,310 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,967 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,777 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,514 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,610 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,551 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,139 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,060 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,476 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,094 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,032 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,881 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,162 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,790 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,328 |
| Most Populous Islands | 0 | - | 4.80 | 122,841 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,288 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,513 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,798 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,740 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,931 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 345,052 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,210 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,863 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.91 | 12,848 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,395 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,563 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,788 |
| Biggest British Empire Countries | 0 | - | 4.74 | 99,843 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,124 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,131 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,001 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,996 |
| Monarchies of Europe | 0 | - | 4.90 | 98,016 |
| Monarchies of Asia | 0 | - | 4.97 | 71,015 |
| Countries with the Most Downhill Skiing | 0 | - | 4.91 | 57,307 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,805 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,523 |
| Countries that Start with A | 0 | - | 4.98 | 2,160,046 |
| Countries that Start with B | 0 | - | 4.95 | 2,291,904 |
| Countries that Start with C | 0 | - | 4.96 | 1,820,028 |
| Countries that Start with D | 0 | - | 4.96 | 708,177 |
| Countries that Start with E | 0 | - | 4.95 | 1,375,518 |
| Countries that Start with G | 0 | - | 4.97 | 1,501,225 |
| Countries that Start with H | 0 | - | 4.96 | 603,569 |
| Countries that Start with I | 0 | - | 4.92 | 1,286,686 |
| Countries that Start with J | 0 | - | 4.98 | 601,369 |
| Countries that Start with K | 0 | - | 4.97 | 814,717 |
| Countries that Start with L | 0 | - | 4.98 | 1,089,430 |
| Countries that Start with N | 0 | - | 4.93 | 1,116,418 |
| Countries that Start with P | 0 | - | 4.94 | 1,214,877 |
| Countries that Start with S | 0 | - | 4.98 | 1,753,051 |
| Countries that Start with T | 0 | - | 4.90 | 1,008,848 |
| Countries that Start with U | 0 | - | 4.97 | 903,686 |
| Countries that Start with V | 0 | - | 4.98 | 608,705 |
| Countries that Start with F | 0 | - | 4.83 | 616,666 |
| Countries that Start with M | 0 | - | 4.97 | 1,380,222 |
| The Only African Country ... | 0 | - | 4.99 | 129,006 |
| The Only American Country ... | 0 | - | 4.92 | 121,467 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,089 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,705 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,735 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,349 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,848 |
| European Countries with One Border | 0 | - | 4.97 | 182,597 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,418 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,070 |
| Boundary Waters | 0 | - | 4.92 | 88,404 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,108 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,974 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,260 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,384 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,831 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,454 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,043 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,593 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,092 |
| UK Immigration by Country | 0 | - | 4.94 | 140,757 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,196 |
| Countries of the Soviet Union | 0 | - | 4.98 | 194,477 |