| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 337,203 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,718 |
| Countries with Megacities | 0 | - | 4.99 | 268,289 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,346 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,444 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,691 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,558 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,457,135 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 383,284 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,530 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,660 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,911 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 113,286 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 94,448 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,785 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,259 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,291 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,897 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,765 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 96,008 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,672 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,944 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,969 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 91,130 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,303 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 224,150 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 136,088 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,656 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,340 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,600 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,967 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,933 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 165,916 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 171,502 |
| Countries by Population Decrease | 0 | - | 4.46 | 50,046 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,572 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.86 | 23,964 |
| Highest Fertility Countries | 0 | - | 4.90 | 27,348 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 235,080 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,602 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,448 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 105,173 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 109,020 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 160,215 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,436 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,936 |
| Biggest Cities in the World | 0 | - | 4.91 | 807,730 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,846 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 116,305 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,912 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,648 |
| Biggest City by Time Zone | 0 | - | 4.88 | 69,183 |
| Biggest City in Every Country | 0 | - | 4.98 | 102,340 |
| Biggest Cities by Latitude Range | 0 | - | 4.81 | 33,041 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 228,077 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,795 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 150,895 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 81,036 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,464 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 81,173 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,775 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,921 |
| Ten Southernmost Megacities | 0 | - | 4.84 | 65,370 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,629 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,897 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,429 |
| Olympic Host Countries | 0 | - | 4.98 | 202,417 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,337 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,651 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 315,976 |
| The Only European Country ... | 0 | - | 4.91 | 219,853 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,556 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,966 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 93,016 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 71,080 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,430 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 421,483 |
| Biggest Cities in the United States | 0 | - | 4.94 | 990,103 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 368,718 |
| Countries of Africa | 0 | - | 5.00 | 2,567,210 |
| Boundary Waters | 0 | - | 4.92 | 88,878 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,494 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,923 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,661 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,122 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,873 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,958 |
| Largest City by Island | 0 | - | 4.87 | 72,634 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,540 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,951 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,314 |
| Megacities on a World Map | 0 | - | 4.98 | 257,722 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,898 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,901 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,965 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,946 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 221,514 |
| Countries of the Middle East | 0 | - | 4.96 | 203,420 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,467 |
| Slavic Countries | 0 | - | 4.96 | 112,588 |
| African Island Countries | 0 | - | 4.96 | 102,822 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,276 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,877 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 53,970 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 128,126 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,580 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 155,092 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 145,480 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 219,297 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,871 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,814 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,114 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 145,045 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,616 |
| 10 Southernmost Countries in Africa | 0 | - | 4.99 | 118,143 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,797 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 100,129 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,390 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.95 | 47,966 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 583,661 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,337,900 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,034,247 |
| Most Populous Islands | 0 | - | 4.80 | 123,493 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,414 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,693 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 86,618 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,853 |
| 10 Easternmost Countries in Africa | 0 | - | 4.98 | 25,310 |
| Lowest Fertility Countries | 0 | - | 4.40 | 98,054 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,785 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 169,428 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,478 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,517 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 349,719 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,437 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,677 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 228,264 |
| Countries of the World Quiz | 0 | - | 5.00 | 48,021,626 |
| Landlocked Countries | 0 | - | 4.99 | 427,900 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,638 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,381 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,839 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,664 |
| Monarchies of Europe | 0 | - | 4.90 | 99,112 |
| Monarchies of Asia | 0 | - | 4.97 | 71,657 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,805 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,400 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,996 |
| Countries that Start with A | 0 | - | 4.98 | 2,179,864 |
| Countries that Start with B | 0 | - | 4.95 | 2,310,481 |
| Countries that Start with C | 0 | - | 4.96 | 1,834,582 |
| Countries that Start with D | 0 | - | 4.96 | 718,595 |
| Countries that Start with E | 0 | - | 4.95 | 1,387,662 |
| Countries that Start with G | 0 | - | 4.97 | 1,514,301 |
| Countries that Start with H | 0 | - | 4.96 | 611,148 |
| Countries that Start with I | 0 | - | 4.92 | 1,296,745 |
| Countries that Start with J | 0 | - | 4.98 | 608,456 |
| Countries that Start with K | 0 | - | 4.97 | 822,356 |
| Countries that Start with L | 0 | - | 4.98 | 1,098,816 |
| Countries that Start with N | 0 | - | 4.93 | 1,125,942 |
| Countries that Start with P | 0 | - | 4.94 | 1,224,063 |
| Countries that Start with S | 0 | - | 4.98 | 1,765,866 |
| Countries that Start with T | 0 | - | 4.90 | 1,016,477 |
| Countries that Start with U | 0 | - | 4.97 | 909,715 |
| Countries that Start with V | 0 | - | 4.98 | 612,896 |
| Countries that Start with F | 0 | - | 4.83 | 622,480 |
| Countries that Start with M | 0 | - | 4.97 | 1,390,415 |
| The Only African Country ... | 0 | - | 4.99 | 129,873 |
| The Only American Country ... | 0 | - | 4.92 | 122,422 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,492 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,595 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 97,047 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,825 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.90 | 107,168 |
| European Countries with One Border | 0 | - | 4.97 | 184,139 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,853 |
| Countries Closest to Africa | 0 | - | 4.96 | 158,080 |
| World Geography on a Map #1 | 0 | - | 4.94 | 74,030 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,595 |
| Population Trivia | 0 | - | 4.32 | 27,603 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 60,252 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,700 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,195 |
| Biggest City by Region | 0 | - | 4.50 | 36,433 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,397 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,398 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 74,057 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 226,265 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 138,021 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,338 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,473 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,646 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.90 | 116,829 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,618 |
| Most Populous Countries in 1800 | 0 | - | 4.33 | 42,326 |
| World Capitals Quiz | 0 | - | 5.00 | 5,118,357 |
| Sahara Desert Countries | 0 | - | 4.98 | 167,205 |
| Himalayan Countries | 0 | - | 4.93 | 141,088 |
| Andean Countries | 0 | - | 4.94 | 85,940 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 65,040 |
