| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 333,649 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,638 |
| Countries with Megacities | 0 | - | 4.99 | 266,130 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,374 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,822 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,660 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,944 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,451,792 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,880 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,158 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,684 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,484 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,771 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 94,037 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,446 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,761 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,408 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,180 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,783 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,833 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,103 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,471 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,596 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,729 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,111 |
| Largest City by Island | 0 | - | 4.87 | 72,291 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,590 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,737 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,419 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,097 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,439 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,760 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,623 |
| African Island Countries | 0 | - | 4.96 | 102,258 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,472 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,715 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,029 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,759 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,408 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,697 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,941 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,749 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 159,834 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,415 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,703 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,111 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,139 |
| Biggest Cities in the World | 0 | - | 4.92 | 803,845 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,714 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,686 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 116,019 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,300 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,735 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,666 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 226,874 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,229 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 149,145 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,571 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,101 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,749 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,484 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,553 |
| Ten Southernmost Megacities | 0 | - | 4.88 | 65,080 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,211 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,913 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,307 |
| Olympic Host Countries | 0 | - | 4.98 | 201,613 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,634 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,758 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 312,546 |
| The Only European Country ... | 0 | - | 4.91 | 218,395 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,475 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,175 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,845 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.88 | 144,932 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 419,896 |
| Biggest Cities in the United States | 0 | - | 4.94 | 984,706 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,546 |
| Countries of Africa | 0 | - | 5.00 | 2,553,214 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,974 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,352 |
| Asian Island Nations | 0 | - | 4.63 | 94,404 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,396 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,425 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,330 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,515 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,008 |
| Megacities on a World Map | 0 | - | 4.98 | 256,272 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 581,016 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,664 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,488 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,838 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,444 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,333,850 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,258 |
| Countries of the Middle East | 0 | - | 4.96 | 202,289 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,954 |
| Slavic Countries | 0 | - | 4.96 | 112,194 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,083 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,090 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 52,620 |
| Islands by Country #1 | 0 | - | 4.90 | 176,066 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,029,045 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,588 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,121 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,333 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,965 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,085 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,297 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,366 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,867 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,652 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,847 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,317 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,089 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,727 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,001 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,976 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 86,244 |
| Boundary Waters | 0 | - | 4.92 | 88,694 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,350 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,517 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,112 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,817 |
| Most Populous Islands | 0 | - | 4.80 | 123,209 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,358 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,610 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,915 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,419 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,836 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,916 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,346 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 347,925 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,027 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,404 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,540 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,351 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,330 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,897 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,514 |
| Richest Island Countries | 0 | - | 4.85 | 101,044 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,379 |
| 10 Easternmost Countries in Africa | 0 | - | 4.97 | 24,680 |
| Monarchies of Europe | 0 | - | 4.90 | 98,666 |
| Monarchies of Asia | 0 | - | 4.97 | 71,393 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 69,087 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,626 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,193 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,050 |
| Countries that Start with A | 0 | - | 4.98 | 2,172,092 |
| Countries that Start with B | 0 | - | 4.95 | 2,303,144 |
| Countries that Start with C | 0 | - | 4.96 | 1,828,865 |
| Countries that Start with D | 0 | - | 4.96 | 714,577 |
| Countries that Start with E | 0 | - | 4.95 | 1,382,925 |
| Countries that Start with G | 0 | - | 4.97 | 1,509,241 |
| Countries that Start with H | 0 | - | 4.96 | 608,258 |
| Countries that Start with I | 0 | - | 4.92 | 1,292,877 |
| Countries that Start with J | 0 | - | 4.98 | 605,727 |
| Countries that Start with K | 0 | - | 4.97 | 819,416 |
| Countries that Start with L | 0 | - | 4.98 | 1,095,138 |
| Countries that Start with N | 0 | - | 4.93 | 1,122,156 |
| Countries that Start with P | 0 | - | 4.94 | 1,220,440 |
| Countries that Start with S | 0 | - | 4.98 | 1,760,902 |
| Countries that Start with T | 0 | - | 4.90 | 1,013,615 |
| Countries that Start with U | 0 | - | 4.97 | 907,479 |
| Countries that Start with V | 0 | - | 4.98 | 611,275 |
| Countries that Start with F | 0 | - | 4.83 | 620,291 |
| Countries that Start with M | 0 | - | 4.97 | 1,386,485 |
| The Only African Country ... | 0 | - | 4.99 | 129,517 |
| The Only American Country ... | 0 | - | 4.92 | 122,062 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,317 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,197 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,337 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,245 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,608 |
| European Countries with One Border | 0 | - | 4.97 | 183,522 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,261 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,639 |
| Name a Valid Island Country | 0 | - | 4.97 | 125,871 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,758,141 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,966 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,614 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,110 |
| Biggest City by Region | 0 | - | 4.50 | 36,345 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,277 |
| Biggest Cities by Latitude Range | 0 | - | 4.80 | 32,117 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,243 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,909 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,366 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,479 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,278 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,417 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,483 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,189 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,523 |
| Most Populous Countries in 1800 | 0 | - | 4.33 | 42,201 |
| Landlocked Countries | 0 | - | 4.99 | 424,162 |
| UK Immigration by Country | 0 | - | 4.94 | 141,482 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.42 | 57,984 |
| Countries with Major League Baseball Players | 0 | - | 4.62 | 68,265 |
