| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,971 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,015 |
| Countries with Megacities | 0 | - | 4.99 | 259,756 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,886 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,988 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,165 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,997 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,443,229 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,727 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,552 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,423 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,681 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,266 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,370 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,930 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,668 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,188 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,395 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,899 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,500 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,220 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,706 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,973 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,160 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,827 |
| Largest City by Island | 0 | - | 4.87 | 71,679 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,741 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,104 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,084 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,458 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,155 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,439 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,082 |
| African Island Countries | 0 | - | 4.96 | 101,443 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,787 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,909 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,458 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,528 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,038 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,650 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,769 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,350 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,049 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,140 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,312 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,590 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,959 |
| Biggest Cities in the World | 0 | - | 4.91 | 796,704 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,322 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,421 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,517 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,731 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,482 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,924 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 224,157 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,905 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 132,851 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,389 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,215 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,475 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,676 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,781 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 59,867 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,378 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,863 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,576 |
| Olympic Host Countries | 0 | - | 4.98 | 200,385 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,627 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,862 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 308,075 |
| The Only European Country ... | 0 | - | 4.91 | 216,027 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,782 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,792 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,584 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.88 | 144,094 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 416,507 |
| Biggest Cities in the United States | 0 | - | 4.94 | 975,671 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,548 |
| Countries of Africa | 0 | - | 5.00 | 2,530,501 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,802 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,215 |
| Asian Island Nations | 0 | - | 4.63 | 94,092 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,041 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,012 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,789 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,676 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,250 |
| Megacities on a World Map | 0 | - | 4.98 | 253,404 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 577,042 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,211 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,712 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,232 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,085 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,453 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,201 |
| Countries of the Middle East | 0 | - | 4.96 | 200,767 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,021 |
| Slavic Countries | 0 | - | 4.96 | 111,502 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,794 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,819 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 46,520 |
| Islands by Country #1 | 0 | - | 4.88 | 175,110 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,020,697 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,672 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,292 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,197 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,882 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,676 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,443 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,544 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,514 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,096 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,987 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,398 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,019 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,983 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,824 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,095 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 85,980 |
| Boundary Waters | 0 | - | 4.92 | 88,376 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,080 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,911 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 62,169 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,337 |
| Most Populous Islands | 0 | - | 4.80 | 122,792 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,277 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,507 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,819 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,684 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,902 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,651 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,895 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 344,783 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,109 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,815 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.90 | 12,479 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,294 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,741 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,072 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,949 |
| Richest Island Countries | 0 | - | 4.84 | 100,309 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,942 |
| Monarchies of Europe | 0 | - | 4.90 | 97,971 |
| Monarchies of Asia | 0 | - | 4.97 | 70,987 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 68,622 |
| Countries with the Most Downhill Skiing | 0 | - | 4.91 | 57,268 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,781 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,331 |
| Countries that Start with A | 0 | - | 4.98 | 2,158,979 |
| Countries that Start with B | 0 | - | 4.95 | 2,290,964 |
| Countries that Start with C | 0 | - | 4.96 | 1,819,266 |
| Countries that Start with D | 0 | - | 4.96 | 707,671 |
| Countries that Start with E | 0 | - | 4.95 | 1,374,885 |
| Countries that Start with G | 0 | - | 4.97 | 1,500,548 |
| Countries that Start with H | 0 | - | 4.96 | 603,118 |
| Countries that Start with I | 0 | - | 4.92 | 1,286,208 |
| Countries that Start with J | 0 | - | 4.98 | 600,967 |
| Countries that Start with K | 0 | - | 4.97 | 814,172 |
| Countries that Start with L | 0 | - | 4.98 | 1,088,939 |
| Countries that Start with N | 0 | - | 4.93 | 1,115,874 |
| Countries that Start with P | 0 | - | 4.94 | 1,214,391 |
| Countries that Start with S | 0 | - | 4.98 | 1,752,445 |
| Countries that Start with T | 0 | - | 4.90 | 1,008,508 |
| Countries that Start with U | 0 | - | 4.97 | 903,392 |
| Countries that Start with V | 0 | - | 4.98 | 608,438 |
| Countries that Start with F | 0 | - | 4.83 | 616,328 |
| Countries that Start with M | 0 | - | 4.97 | 1,379,676 |
| The Only African Country ... | 0 | - | 4.98 | 128,950 |
| The Only American Country ... | 0 | - | 4.92 | 121,412 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,063 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,656 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,676 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,266 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,790 |
| European Countries with One Border | 0 | - | 4.97 | 182,530 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,334 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,006 |
| Name a Valid Island Country | 0 | - | 4.96 | 114,746 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,332,409 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,400 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,047 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,923 |
| Biggest City by Region | 0 | - | 4.50 | 36,121 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,054 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,797 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,401 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,904 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,525 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,152 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,328 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,167 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,987 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,367 |
| Most Populous Countries in 1800 | 0 | - | 4.33 | 42,043 |
| Landlocked Countries | 0 | - | 4.99 | 418,911 |
| UK Immigration by Country | 0 | - | 4.94 | 140,694 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.42 | 57,765 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,774 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 95,383 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 56,280 |
