| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,622 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,362 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,011 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,390 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,698 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,524 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,008 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,669 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,035 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,263 |
| Countries with Megacities | 0 | - | 4.99 | 265,432 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,090 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,669 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,328 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,733 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,450,181 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,448 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,055 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,466 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,327 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,675 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 93,879 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,338 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,984 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,767 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,913 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,312 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,463 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,596 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,044 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,261 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,905 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,431 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,890 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,344 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,538 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,598 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,617 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,711 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,519 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,148 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,548 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,675 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,661 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,611 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,705 |
| Most Populous Countries in 1800 | 0 | - | 4.33 | 42,174 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,913 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,363 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 86,191 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,665 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,438 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 77,952 |
| Biggest Cities in the World | 0 | - | 4.91 | 802,542 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,651 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,934 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,879 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,509 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,192 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,528 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,389 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 226,430 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,010 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 147,803 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,387 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,955 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 419,390 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,571 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,347 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,429 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,952 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,069 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,547 |
| Biggest Cities in the United States | 0 | - | 4.94 | 982,811 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,153 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,987 |
| Olympic Host Countries | 0 | - | 4.98 | 201,381 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,439 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 116,406 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 311,706 |
| The Only European Country ... | 0 | - | 4.91 | 217,925 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,138 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,928 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,796 |
| Countries of Africa | 0 | - | 5.00 | 2,549,358 |
| Biggest Cities in History | 0 | - | 4.52 | 90,386 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 78,556 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,591 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 237,883 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 58,144 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,267 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 89,639 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 70,240 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 165,788 |
| Countries Bordering China Since 1914 | 0 | - | 4.92 | 95,655 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,939 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,326 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,250 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,225 |
| Largest City by Island | 0 | - | 4.87 | 72,182 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,372 |
| Megacities on a World Map | 0 | - | 4.98 | 255,823 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 580,283 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,589 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,345 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,527 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 168,896 |
| Former Capitals | 0 | - | 4.88 | 71,572 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,332,291 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,853 |
| Countries of the Middle East | 0 | - | 4.96 | 201,989 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,772 |
| Slavic Countries | 0 | - | 4.96 | 112,047 |
| African Island Countries | 0 | - | 4.96 | 102,097 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,019 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 83,119 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 52,024 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,027,428 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,413 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,964 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,136 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,809 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,853 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,150 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,218 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,803 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,547 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,710 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,177 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,910 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,584 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,802 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,832 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 102,105 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,923 |
| Most Populous Islands | 0 | - | 4.80 | 123,129 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,343 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,593 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,255 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,573 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,277 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 347,381 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,880 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,298 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,451 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,156 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,746 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,239 |
| Biggest British Empire Countries | 0 | - | 4.74 | 100,284 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,270 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,733 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,396 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,304 |
| 10 Easternmost Countries in Africa | 0 | - | 4.98 | 22,744 |
| Monarchies of Europe | 0 | - | 4.90 | 98,497 |
| Monarchies of Asia | 0 | - | 4.97 | 71,320 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,579 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,102 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 136,784 |
| Countries that Start with A | 0 | - | 4.98 | 2,169,466 |
| Countries that Start with B | 0 | - | 4.95 | 2,300,520 |
| Countries that Start with C | 0 | - | 4.96 | 1,826,984 |
| Countries that Start with D | 0 | - | 4.96 | 713,220 |
| Countries that Start with E | 0 | - | 4.95 | 1,381,323 |
| Countries that Start with G | 0 | - | 4.97 | 1,507,581 |
| Countries that Start with H | 0 | - | 4.96 | 607,282 |
| Countries that Start with I | 0 | - | 4.92 | 1,291,608 |
| Countries that Start with J | 0 | - | 4.98 | 604,789 |
| Countries that Start with K | 0 | - | 4.97 | 818,395 |
| Countries that Start with L | 0 | - | 4.98 | 1,093,887 |
| Countries that Start with N | 0 | - | 4.93 | 1,120,935 |
| Countries that Start with P | 0 | - | 4.94 | 1,219,274 |
| Countries that Start with S | 0 | - | 4.98 | 1,759,237 |
| Countries that Start with T | 0 | - | 4.90 | 1,012,386 |
| Countries that Start with U | 0 | - | 4.97 | 906,402 |
| Countries that Start with V | 0 | - | 4.98 | 610,699 |
| Countries that Start with F | 0 | - | 4.83 | 619,540 |
| Countries that Start with M | 0 | - | 4.97 | 1,385,169 |
| The Only African Country ... | 0 | - | 4.99 | 129,404 |
| The Only American Country ... | 0 | - | 4.92 | 121,936 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,279 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,111 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,202 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,070 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,460 |
| European Countries with One Border | 0 | - | 4.97 | 183,333 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,102 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,531 |
| Boundary Waters | 0 | - | 4.92 | 88,639 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,311 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,414 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,941 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,732 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,710 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,172 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,827 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,092 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,285 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,940 |
| UK Immigration by Country | 0 | - | 4.94 | 141,311 |
