| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,350 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,779 |
| Countries with Megacities | 0 | - | 4.99 | 249,978 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,631 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,854 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,938 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,830 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,442,383 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,489 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,473 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,260 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,590 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,221 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,293 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,848 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,568 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,924 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,293 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,801 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,460 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,122 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,629 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,910 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,103 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,786 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,657 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,037 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,028 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,234 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,125 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,397 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,023 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,716 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,821 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,287 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,381 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,916 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,551 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,745 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,133 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,986 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.64 | 64,101 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.84 | 23,275 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,541 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,176 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,801 |
| Biggest Cities in the World | 0 | - | 4.91 | 796,015 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,289 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 88,845 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,388 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,458 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,637 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,387 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,764 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 223,901 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,778 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 132,531 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,273 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,119 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,353 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,595 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,707 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 57,163 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,294 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,712 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,389 |
| Olympic Host Countries | 0 | - | 4.98 | 200,204 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,518 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,708 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 307,617 |
| The Only European Country ... | 0 | - | 4.91 | 215,827 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,605 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,656 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,548 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 416,159 |
| Biggest Cities in the United States | 0 | - | 4.93 | 974,752 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,345 |
| Countries of Africa | 0 | - | 5.00 | 2,528,396 |
| United States Map Quiz | 0 | - | 4.98 | 4,152,383 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,780 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,199 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,949 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,876 |
| Largest City by Island | 0 | - | 4.87 | 71,596 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,727 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,577 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,175 |
| Megacities on a World Map | 0 | - | 4.98 | 252,983 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 576,578 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,160 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,613 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,052 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,996 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,325,634 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,002 |
| Countries of the Middle East | 0 | - | 4.96 | 200,639 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,931 |
| Slavic Countries | 0 | - | 4.96 | 111,433 |
| African Island Countries | 0 | - | 4.96 | 101,365 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,766 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,689 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 46,272 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,019,874 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,591 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,213 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,076 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,723 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,561 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,364 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,468 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,489 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,008 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,909 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,311 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,928 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,918 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,765 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,010 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 85,921 |
| Boundary Waters | 0 | - | 4.92 | 88,349 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,054 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,858 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 62,083 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,297 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,221 |
| Most Populous Islands | 0 | - | 4.80 | 122,744 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,267 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,488 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,617 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,621 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,519 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,845 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 344,464 |
| Megacities on an Empty Map | 0 | - | 4.97 | 117,991 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,738 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,206 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,928 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,030 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,206 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,686 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,987 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,881 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,893 |
| Monarchies of Europe | 0 | - | 4.90 | 97,889 |
| Monarchies of Asia | 0 | - | 4.97 | 70,933 |
| Countries with the Most Downhill Skiing | 0 | - | 4.91 | 57,191 |
| Asian Country Superlatives | 0 | - | 4.85 | 80,748 |
| Countries that Start with A | 0 | - | 4.98 | 2,157,640 |
| Countries that Start with B | 0 | - | 4.95 | 2,289,637 |
| Countries that Start with C | 0 | - | 4.96 | 1,818,199 |
| Countries that Start with D | 0 | - | 4.96 | 706,933 |
| Countries that Start with E | 0 | - | 4.95 | 1,374,036 |
| Countries that Start with G | 0 | - | 4.97 | 1,499,679 |
| Countries that Start with H | 0 | - | 4.96 | 602,445 |
| Countries that Start with I | 0 | - | 4.92 | 1,285,516 |
| Countries that Start with J | 0 | - | 4.98 | 600,398 |
| Countries that Start with K | 0 | - | 4.97 | 813,492 |
| Countries that Start with L | 0 | - | 4.98 | 1,088,271 |
| Countries that Start with N | 0 | - | 4.93 | 1,115,223 |
| Countries that Start with P | 0 | - | 4.94 | 1,213,698 |
| Countries that Start with S | 0 | - | 4.98 | 1,751,514 |
| Countries that Start with T | 0 | - | 4.90 | 1,008,024 |
| Countries that Start with U | 0 | - | 4.97 | 902,965 |
| Countries that Start with V | 0 | - | 4.98 | 608,071 |
| Countries that Start with F | 0 | - | 4.83 | 615,872 |
| Countries that Start with M | 0 | - | 4.97 | 1,378,899 |
| The Only African Country ... | 0 | - | 4.99 | 128,879 |
| The Only American Country ... | 0 | - | 4.92 | 121,358 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,036 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,596 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,631 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,187 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,724 |
| European Countries with One Border | 0 | - | 4.97 | 182,436 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,250 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,949 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,968 |
| UK Cities Map Quiz | 0 | - | 4.96 | 463,881 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,288,781 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,354 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,036 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,903 |
| Biggest City by Region | 0 | - | 4.50 | 36,108 |
| Most Populous 2nd Cities | 0 | - | 4.77 | 57,041 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,766 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,365 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,724 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,418 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,140 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,314 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,145 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,808 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,348 |
| Most Populous Countries in 1800 | 0 | - | 4.33 | 42,031 |
| Landlocked Countries | 0 | - | 4.99 | 418,244 |
| UK Immigration by Country | 0 | - | 4.94 | 140,594 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.42 | 57,733 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,741 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 95,162 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 56,243 |
