| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,556 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,213 |
| Countries with Megacities | 0 | - | 4.99 | 262,138 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,061 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,096 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,360 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,132 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,444,282 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,965 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,621 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,564 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,767 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,329 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,447 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,000 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,795 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,440 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,481 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,019 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,543 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,323 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,790 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,067 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,228 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,851 |
| Largest City by Island | 0 | - | 4.87 | 71,769 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,845 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,168 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,136 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,628 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,205 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,484 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,156 |
| African Island Countries | 0 | - | 4.96 | 101,522 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,860 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,005 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,656 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,674 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,163 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,727 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,784 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,381 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,135 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,175 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,348 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,651 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,139 |
| Biggest Cities in the World | 0 | - | 4.91 | 797,601 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,371 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,470 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,590 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,817 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,726 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,259 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 224,612 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,129 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 133,340 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,622 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,364 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,685 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 55,817 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,904 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 63,942 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,509 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 130,083 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,758 |
| Olympic Host Countries | 0 | - | 4.98 | 200,556 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,730 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,033 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 308,648 |
| The Only European Country ... | 0 | - | 4.91 | 216,292 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,987 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,944 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,619 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.88 | 144,524 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 416,887 |
| Biggest Cities in the United States | 0 | - | 4.94 | 976,891 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,803 |
| Countries of Africa | 0 | - | 5.00 | 2,533,177 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,822 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,234 |
| Asian Island Nations | 0 | - | 4.63 | 94,127 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,240 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,204 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,857 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,799 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,350 |
| Megacities on a World Map | 0 | - | 4.98 | 253,940 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 577,543 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,284 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,825 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,407 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,197 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,327,226 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,416 |
| Countries of the Middle East | 0 | - | 4.96 | 200,934 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,141 |
| Slavic Countries | 0 | - | 4.96 | 111,563 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,836 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,956 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.83 | 46,800 |
| Islands by Country #1 | 0 | - | 4.88 | 175,187 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,021,818 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,758 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,390 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,343 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,006 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,810 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,553 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,632 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,561 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,157 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,084 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,502 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,128 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,062 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,904 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,184 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 86,013 |
| Boundary Waters | 0 | - | 4.92 | 88,414 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,118 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,987 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,300 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,401 |
| Most Populous Islands | 0 | - | 4.80 | 122,856 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,289 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,516 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,832 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,827 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,013 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,790 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,950 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 345,151 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,242 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,878 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.91 | 12,915 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,432 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,809 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,160 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,025 |
| Richest Island Countries | 0 | - | 4.84 | 100,393 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,010 |
| Monarchies of Europe | 0 | - | 4.90 | 98,036 |
| Monarchies of Asia | 0 | - | 4.97 | 71,032 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 68,694 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,326 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,818 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,591 |
| Countries that Start with A | 0 | - | 4.98 | 2,160,503 |
| Countries that Start with B | 0 | - | 4.95 | 2,292,304 |
| Countries that Start with C | 0 | - | 4.96 | 1,820,388 |
| Countries that Start with D | 0 | - | 4.96 | 708,445 |
| Countries that Start with E | 0 | - | 4.95 | 1,375,815 |
| Countries that Start with G | 0 | - | 4.97 | 1,501,651 |
| Countries that Start with H | 0 | - | 4.96 | 603,782 |
| Countries that Start with I | 0 | - | 4.92 | 1,286,965 |
| Countries that Start with J | 0 | - | 4.98 | 601,570 |
| Countries that Start with K | 0 | - | 4.97 | 814,902 |
| Countries that Start with L | 0 | - | 4.98 | 1,089,661 |
| Countries that Start with N | 0 | - | 4.93 | 1,116,641 |
| Countries that Start with P | 0 | - | 4.94 | 1,215,084 |
| Countries that Start with S | 0 | - | 4.98 | 1,753,326 |
| Countries that Start with T | 0 | - | 4.90 | 1,009,002 |
| Countries that Start with U | 0 | - | 4.97 | 903,839 |
| Countries that Start with V | 0 | - | 4.98 | 608,828 |
| Countries that Start with F | 0 | - | 4.83 | 616,840 |
| Countries that Start with M | 0 | - | 4.97 | 1,380,461 |
| The Only African Country ... | 0 | - | 4.99 | 129,027 |
| The Only American Country ... | 0 | - | 4.92 | 121,495 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,096 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,719 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,750 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,382 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,876 |
| European Countries with One Border | 0 | - | 4.97 | 182,634 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,444 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,091 |
| Name a Valid Island Country | 0 | - | 4.96 | 114,823 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,383,547 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,476 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,066 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,946 |
| Biggest City by Region | 0 | - | 4.50 | 36,154 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,080 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,850 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,473 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,101 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,625 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,170 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,337 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,213 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,135 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,391 |
| Most Populous Countries in 1800 | 0 | - | 4.33 | 42,061 |
| Landlocked Countries | 0 | - | 4.99 | 419,589 |
| UK Immigration by Country | 0 | - | 4.94 | 140,784 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.42 | 57,786 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,844 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 95,451 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 56,337 |
