| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,971 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,629 |
| Countries with Megacities | 0 | - | 4.99 | 268,131 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,280 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,402 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,610 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,511 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,456,719 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 383,170 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,505 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,603 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,886 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 113,201 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 94,417 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,760 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,230 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,247 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,786 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,708 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 96,001 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,640 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,913 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,935 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 91,100 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,292 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 224,109 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 136,058 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,641 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,315 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,589 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,949 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,911 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 165,876 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 171,460 |
| Countries by Population Decrease | 0 | - | 4.46 | 50,034 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,559 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.86 | 23,940 |
| Highest Fertility Countries | 0 | - | 4.90 | 27,334 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 235,025 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,547 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,399 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 105,146 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 109,005 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 160,154 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,414 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,876 |
| Biggest Cities in the World | 0 | - | 4.91 | 807,463 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,834 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 116,283 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,891 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,610 |
| Biggest City by Time Zone | 0 | - | 4.88 | 69,148 |
| Biggest City in Every Country | 0 | - | 4.98 | 102,276 |
| Biggest Cities by Latitude Range | 0 | - | 4.81 | 33,014 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,988 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,755 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 150,780 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 81,006 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,431 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 81,153 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,745 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,889 |
| Ten Southernmost Megacities | 0 | - | 4.84 | 65,346 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,607 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,857 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,351 |
| Olympic Host Countries | 0 | - | 4.98 | 202,344 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,312 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,586 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 315,662 |
| The Only European Country ... | 0 | - | 4.91 | 219,732 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,466 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,912 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 93,009 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 71,072 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,427 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 421,351 |
| Biggest Cities in the United States | 0 | - | 4.94 | 989,750 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 368,644 |
| Countries of Africa | 0 | - | 5.00 | 2,566,165 |
| Boundary Waters | 0 | - | 4.92 | 88,870 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,483 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,892 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,631 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,100 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,833 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,925 |
| Largest City by Island | 0 | - | 4.87 | 72,603 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,525 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,931 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,290 |
| Megacities on a World Map | 0 | - | 4.98 | 257,629 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,876 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,880 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,887 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,917 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 221,404 |
| Countries of the Middle East | 0 | - | 4.96 | 203,356 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,426 |
| Slavic Countries | 0 | - | 4.96 | 112,552 |
| African Island Countries | 0 | - | 4.96 | 102,788 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,266 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,823 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 53,831 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 128,085 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,544 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 155,045 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 145,442 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 219,252 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,839 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,781 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,098 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 145,020 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,586 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 118,116 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,765 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 100,112 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,368 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.95 | 47,832 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 583,478 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,337,677 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,033,908 |
| Most Populous Islands | 0 | - | 4.80 | 123,472 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,410 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,688 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 86,612 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,836 |
| 10 Easternmost Countries in Africa | 0 | - | 4.98 | 25,287 |
| Lowest Fertility Countries | 0 | - | 4.40 | 98,046 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,756 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 169,345 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,428 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,502 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 349,582 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,406 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,647 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 228,222 |
| Countries of the World Quiz | 0 | - | 5.00 | 48,002,084 |
| Landlocked Countries | 0 | - | 4.99 | 427,645 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,620 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,349 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,808 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,645 |
| Monarchies of Europe | 0 | - | 4.90 | 99,077 |
| Monarchies of Asia | 0 | - | 4.97 | 71,641 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,788 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,382 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,936 |
| Countries that Start with A | 0 | - | 4.98 | 2,179,302 |
| Countries that Start with B | 0 | - | 4.95 | 2,309,950 |
| Countries that Start with C | 0 | - | 4.96 | 1,834,147 |
| Countries that Start with D | 0 | - | 4.96 | 718,314 |
| Countries that Start with E | 0 | - | 4.95 | 1,387,296 |
| Countries that Start with G | 0 | - | 4.97 | 1,513,897 |
| Countries that Start with H | 0 | - | 4.96 | 610,930 |
| Countries that Start with I | 0 | - | 4.92 | 1,296,434 |
| Countries that Start with J | 0 | - | 4.98 | 608,262 |
| Countries that Start with K | 0 | - | 4.97 | 822,146 |
| Countries that Start with L | 0 | - | 4.98 | 1,098,562 |
| Countries that Start with N | 0 | - | 4.93 | 1,125,667 |
| Countries that Start with P | 0 | - | 4.94 | 1,223,768 |
| Countries that Start with S | 0 | - | 4.98 | 1,765,467 |
| Countries that Start with T | 0 | - | 4.90 | 1,016,252 |
| Countries that Start with U | 0 | - | 4.97 | 909,541 |
| Countries that Start with V | 0 | - | 4.98 | 612,761 |
| Countries that Start with F | 0 | - | 4.83 | 622,325 |
| Countries that Start with M | 0 | - | 4.97 | 1,390,104 |
| The Only African Country ... | 0 | - | 4.99 | 129,846 |
| The Only American Country ... | 0 | - | 4.92 | 122,394 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,478 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,583 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 97,029 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,789 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.90 | 107,123 |
| European Countries with One Border | 0 | - | 4.97 | 184,096 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,813 |
| Countries Closest to Africa | 0 | - | 4.96 | 158,046 |
| World Geography on a Map #1 | 0 | - | 4.94 | 74,015 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,558 |
| Population Trivia | 0 | - | 4.32 | 27,600 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 60,234 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,689 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,189 |
| Biggest City by Region | 0 | - | 4.50 | 36,428 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,387 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,385 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 74,047 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 226,201 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,993 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,334 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,465 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,638 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,783 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,610 |
| Most Populous Countries in 1800 | 0 | - | 4.33 | 42,311 |
| World Capitals Quiz | 0 | - | 5.00 | 5,116,661 |
| Sahara Desert Countries | 0 | - | 4.98 | 167,108 |
| Himalayan Countries | 0 | - | 4.93 | 140,997 |
| Andean Countries | 0 | - | 4.94 | 85,887 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,997 |
