| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,687 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,523 |
| Countries with Megacities | 0 | - | 4.99 | 267,914 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,177 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,351 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,504 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,456,179 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 383,014 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,474 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,538 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,828 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 113,002 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 94,371 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,733 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,177 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,198 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,658 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,625 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,978 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,584 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,870 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,905 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 91,061 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,267 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 224,041 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 136,023 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,613 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,283 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,575 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,930 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,875 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 165,828 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 171,287 |
| Countries by Population Decrease | 0 | - | 4.46 | 50,024 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,546 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.86 | 23,902 |
| Highest Fertility Countries | 0 | - | 4.90 | 27,315 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,935 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,460 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,314 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 105,096 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,977 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 160,117 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,379 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,799 |
| Biggest Cities in the World | 0 | - | 4.91 | 807,084 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,819 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 116,249 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,869 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,583 |
| Biggest City by Time Zone | 0 | - | 4.88 | 69,094 |
| Biggest City in Every Country | 0 | - | 4.98 | 102,198 |
| Biggest Cities by Latitude Range | 0 | - | 4.81 | 32,965 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,852 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,679 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 150,624 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,955 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,390 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 81,106 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,721 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,852 |
| Ten Southernmost Megacities | 0 | - | 4.84 | 65,319 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,572 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,793 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,239 |
| Olympic Host Countries | 0 | - | 4.98 | 202,231 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,255 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,496 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 315,123 |
| The Only European Country ... | 0 | - | 4.91 | 219,593 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,348 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,834 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,989 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 71,067 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,416 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 421,186 |
| Biggest Cities in the United States | 0 | - | 4.94 | 989,211 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 368,531 |
| Countries of Africa | 0 | - | 5.00 | 2,564,772 |
| Boundary Waters | 0 | - | 4.92 | 88,841 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,471 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,851 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,575 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,070 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,791 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,861 |
| Largest City by Island | 0 | - | 4.87 | 72,577 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,504 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,879 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,254 |
| Megacities on a World Map | 0 | - | 4.98 | 257,496 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,850 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,841 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,797 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,873 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 221,276 |
| Countries of the Middle East | 0 | - | 4.96 | 203,273 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,367 |
| Slavic Countries | 0 | - | 4.96 | 112,513 |
| African Island Countries | 0 | - | 4.96 | 102,746 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,245 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,746 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 53,653 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 128,021 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,488 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,969 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 145,383 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 219,173 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,785 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,727 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,081 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,974 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,530 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 118,062 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,708 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 100,078 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,326 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.95 | 47,560 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 583,104 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,337,234 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,033,329 |
| Most Populous Islands | 0 | - | 4.80 | 123,446 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,404 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,677 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 86,593 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,800 |
| 10 Easternmost Countries in Africa | 0 | - | 4.98 | 25,257 |
| Lowest Fertility Countries | 0 | - | 4.40 | 98,021 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,714 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 169,135 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,377 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,485 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 349,409 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,372 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,610 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 228,157 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,976,113 |
| Landlocked Countries | 0 | - | 4.99 | 427,324 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,583 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,291 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,778 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,620 |
| Monarchies of Europe | 0 | - | 4.90 | 99,039 |
| Monarchies of Asia | 0 | - | 4.97 | 71,611 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 592,087 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,770 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,356 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,842 |
| Countries that Start with A | 0 | - | 4.98 | 2,178,593 |
| Countries that Start with B | 0 | - | 4.95 | 2,309,225 |
| Countries that Start with C | 0 | - | 4.96 | 1,833,566 |
| Countries that Start with D | 0 | - | 4.96 | 717,896 |
| Countries that Start with E | 0 | - | 4.95 | 1,386,809 |
| Countries that Start with G | 0 | - | 4.97 | 1,513,369 |
| Countries that Start with H | 0 | - | 4.96 | 610,618 |
| Countries that Start with I | 0 | - | 4.92 | 1,295,942 |
| Countries that Start with J | 0 | - | 4.98 | 607,997 |
| Countries that Start with K | 0 | - | 4.97 | 821,830 |
| Countries that Start with L | 0 | - | 4.98 | 1,098,185 |
| Countries that Start with N | 0 | - | 4.93 | 1,125,273 |
| Countries that Start with P | 0 | - | 4.94 | 1,223,417 |
| Countries that Start with S | 0 | - | 4.98 | 1,764,992 |
| Countries that Start with T | 0 | - | 4.90 | 1,015,979 |
| Countries that Start with U | 0 | - | 4.97 | 909,295 |
| Countries that Start with V | 0 | - | 4.98 | 612,606 |
| Countries that Start with F | 0 | - | 4.83 | 622,081 |
| Countries that Start with M | 0 | - | 4.97 | 1,389,713 |
| The Only African Country ... | 0 | - | 4.99 | 129,800 |
| The Only American Country ... | 0 | - | 4.92 | 122,351 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,448 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,561 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 96,992 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,729 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.90 | 107,075 |
| European Countries with One Border | 0 | - | 4.97 | 184,030 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,742 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,992 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,997 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,524 |
| Population Trivia | 0 | - | 4.32 | 27,594 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 60,212 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,679 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,180 |
| Biggest City by Region | 0 | - | 4.50 | 36,418 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,377 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,371 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 74,036 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 226,120 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,934 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,331 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,460 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,621 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.90 | 116,725 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,605 |
| Most Populous Countries in 1800 | 0 | - | 4.33 | 42,303 |
| World Capitals Quiz | 0 | - | 5.00 | 5,114,373 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,954 |
| Himalayan Countries | 0 | - | 4.93 | 140,856 |
| Andean Countries | 0 | - | 4.94 | 85,820 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,932 |
