| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,618 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,361 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,008 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,389 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,697 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,520 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,004 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,648 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,026 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,259 |
| Countries with Megacities | 0 | - | 4.99 | 265,423 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,086 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,663 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,323 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,731 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,450,148 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,440 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,052 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,459 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,326 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,673 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 93,876 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,336 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,978 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,765 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,909 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,309 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,462 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,595 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,042 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,261 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,902 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,424 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,880 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,337 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,534 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,595 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,613 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,701 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,512 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,141 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,543 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,671 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,657 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,611 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,703 |
| Most Populous Countries in 1800 | 0 | - | 4.33 | 42,173 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,913 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,362 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 86,187 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,664 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,434 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 77,946 |
| Biggest Cities in the World | 0 | - | 4.91 | 802,522 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,649 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,934 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,875 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,507 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,190 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,524 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,388 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 226,418 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,009 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 147,748 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,379 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,955 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 419,384 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,569 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,344 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,428 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,950 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,067 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,545 |
| Biggest Cities in the United States | 0 | - | 4.94 | 982,777 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,147 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,979 |
| Olympic Host Countries | 0 | - | 4.98 | 201,376 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,437 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 116,397 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 311,694 |
| The Only European Country ... | 0 | - | 4.91 | 217,911 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,133 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,923 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,794 |
| Countries of Africa | 0 | - | 5.00 | 2,549,279 |
| Biggest Cities in History | 0 | - | 4.52 | 90,386 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 78,552 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,590 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 237,880 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 58,143 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,260 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 89,637 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 70,232 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 165,783 |
| Countries Bordering China Since 1914 | 0 | - | 4.92 | 95,652 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,936 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,325 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,245 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,223 |
| Largest City by Island | 0 | - | 4.87 | 72,181 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,371 |
| Megacities on a World Map | 0 | - | 4.98 | 255,810 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 580,271 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,586 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,341 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,520 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 168,894 |
| Former Capitals | 0 | - | 4.88 | 71,571 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,332,248 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,844 |
| Countries of the Middle East | 0 | - | 4.96 | 201,981 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,770 |
| Slavic Countries | 0 | - | 4.96 | 112,042 |
| African Island Countries | 0 | - | 4.96 | 102,095 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,019 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 83,115 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 51,996 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,027,382 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,411 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,962 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,132 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,807 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,847 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,146 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,213 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,803 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,544 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,707 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,174 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,906 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,582 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,797 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,824 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 102,105 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,919 |
| 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 | 74,252 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,570 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,276 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 347,374 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,876 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,293 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,450 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,153 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,745 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,238 |
| Biggest British Empire Countries | 0 | - | 4.74 | 100,284 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,269 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,733 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,394 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,303 |
| 10 Easternmost Countries in Africa | 0 | - | 4.98 | 22,632 |
| Monarchies of Europe | 0 | - | 4.90 | 98,492 |
| Monarchies of Asia | 0 | - | 4.97 | 71,318 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,577 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,102 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 136,780 |
| Countries that Start with A | 0 | - | 4.98 | 2,169,418 |
| Countries that Start with B | 0 | - | 4.95 | 2,300,480 |
| Countries that Start with C | 0 | - | 4.96 | 1,826,937 |
| Countries that Start with D | 0 | - | 4.96 | 713,190 |
| Countries that Start with E | 0 | - | 4.95 | 1,381,300 |
| Countries that Start with G | 0 | - | 4.97 | 1,507,546 |
| Countries that Start with H | 0 | - | 4.96 | 607,257 |
| Countries that Start with I | 0 | - | 4.92 | 1,291,581 |
| Countries that Start with J | 0 | - | 4.98 | 604,772 |
| Countries that Start with K | 0 | - | 4.97 | 818,376 |
| Countries that Start with L | 0 | - | 4.98 | 1,093,862 |
| Countries that Start with N | 0 | - | 4.93 | 1,120,917 |
| Countries that Start with P | 0 | - | 4.94 | 1,219,253 |
| Countries that Start with S | 0 | - | 4.98 | 1,759,208 |
| Countries that Start with T | 0 | - | 4.90 | 1,012,357 |
| Countries that Start with U | 0 | - | 4.97 | 906,387 |
| Countries that Start with V | 0 | - | 4.98 | 610,687 |
| Countries that Start with F | 0 | - | 4.83 | 619,524 |
| Countries that Start with M | 0 | - | 4.97 | 1,385,151 |
| The Only African Country ... | 0 | - | 4.99 | 129,403 |
| The Only American Country ... | 0 | - | 4.92 | 121,934 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,277 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,110 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,198 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,068 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,456 |
| European Countries with One Border | 0 | - | 4.97 | 183,328 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,096 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,527 |
| Boundary Waters | 0 | - | 4.92 | 88,639 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,310 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,410 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,937 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,730 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,708 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,169 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,824 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,086 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,281 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,935 |
| UK Immigration by Country | 0 | - | 4.94 | 141,308 |
