| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,262 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,738 |
| Countries with Megacities | 0 | - | 4.99 | 249,901 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,579 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,823 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,896 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,818 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,442,173 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,436 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,453 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,229 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,562 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,205 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,280 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,833 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,559 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,876 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,268 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,783 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,450 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,104 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,611 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,901 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,085 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,774 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,632 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,029 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,018 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,155 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,116 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,385 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,013 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,697 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,805 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,241 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,339 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,862 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,528 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,742 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,125 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,971 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.64 | 64,094 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.84 | 23,267 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,530 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,728 |
| Biggest Cities in the World | 0 | - | 4.91 | 795,832 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,279 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,384 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,440 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,607 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,368 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,732 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 223,857 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,755 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 132,461 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,254 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,106 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,331 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,578 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,684 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 57,151 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,275 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,683 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,355 |
| Olympic Host Countries | 0 | - | 4.98 | 200,091 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,503 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,672 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 307,463 |
| The Only European Country ... | 0 | - | 4.91 | 215,773 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,570 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,626 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,542 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 416,078 |
| Biggest Cities in the United States | 0 | - | 4.93 | 974,521 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,311 |
| Countries of Africa | 0 | - | 5.00 | 2,527,839 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,776 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,199 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,926 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,846 |
| Largest City by Island | 0 | - | 4.87 | 71,579 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,703 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,552 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,166 |
| Megacities on a World Map | 0 | - | 4.98 | 252,936 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 576,501 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,144 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,594 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,014 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,590 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,978 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,325,425 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,948 |
| Countries of the Middle East | 0 | - | 4.96 | 200,592 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,912 |
| Slavic Countries | 0 | - | 4.96 | 111,413 |
| African Island Countries | 0 | - | 4.96 | 101,346 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,764 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,661 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 46,222 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,019,642 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,567 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,195 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,055 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,641 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,535 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,345 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,441 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,485 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,865 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,896 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,201 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,908 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,895 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,753 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,995 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 85,904 |
| Boundary Waters | 0 | - | 4.92 | 88,343 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,052 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,837 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 62,070 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,287 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,210 |
| Most Populous Islands | 0 | - | 4.80 | 122,736 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,266 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,488 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,604 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,599 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,460 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,832 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 344,371 |
| Megacities on an Empty Map | 0 | - | 4.97 | 117,945 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,714 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,095 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,667 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,974 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,865 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,877 |
| Monarchies of Europe | 0 | - | 4.90 | 97,877 |
| Monarchies of Asia | 0 | - | 4.97 | 70,925 |
| Countries with the Most Downhill Skiing | 0 | - | 4.91 | 57,150 |
| Asian Country Superlatives | 0 | - | 4.85 | 80,743 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,134 |
| Countries that Start with A | 0 | - | 4.98 | 2,157,368 |
| Countries that Start with B | 0 | - | 4.95 | 2,289,342 |
| Countries that Start with C | 0 | - | 4.96 | 1,817,963 |
| Countries that Start with D | 0 | - | 4.96 | 706,776 |
| Countries that Start with E | 0 | - | 4.95 | 1,373,827 |
| Countries that Start with G | 0 | - | 4.97 | 1,499,451 |
| Countries that Start with H | 0 | - | 4.96 | 602,317 |
| Countries that Start with I | 0 | - | 4.92 | 1,285,365 |
| Countries that Start with J | 0 | - | 4.98 | 600,262 |
| Countries that Start with K | 0 | - | 4.97 | 813,379 |
| Countries that Start with L | 0 | - | 4.98 | 1,088,150 |
| Countries that Start with N | 0 | - | 4.93 | 1,115,074 |
| Countries that Start with P | 0 | - | 4.94 | 1,213,553 |
| Countries that Start with S | 0 | - | 4.98 | 1,751,323 |
| Countries that Start with T | 0 | - | 4.90 | 1,007,920 |
| Countries that Start with U | 0 | - | 4.97 | 902,880 |
| Countries that Start with V | 0 | - | 4.98 | 608,005 |
| Countries that Start with F | 0 | - | 4.83 | 615,776 |
| Countries that Start with M | 0 | - | 4.97 | 1,378,738 |
| The Only African Country ... | 0 | - | 4.99 | 128,868 |
| The Only American Country ... | 0 | - | 4.92 | 121,342 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,028 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,588 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,618 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,167 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,704 |
| European Countries with One Border | 0 | - | 4.97 | 182,410 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,239 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,914 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,278,249 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,343 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,031 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,897 |
| Biggest City by Region | 0 | - | 4.50 | 36,103 |
| Most Populous 2nd Cities | 0 | - | 4.77 | 57,036 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,757 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,355 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,651 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,389 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,137 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,310 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,143 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,746 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,345 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.98 | 100,864 |
| Most Populous Countries in 1800 | 0 | - | 4.33 | 42,028 |
| Landlocked Countries | 0 | - | 4.99 | 418,120 |
| UK Immigration by Country | 0 | - | 4.94 | 140,580 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.42 | 57,723 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,724 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 95,132 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 56,224 |
| Central American Countries | 0 | - | 4.98 | 155,802 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,245 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,650 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,181 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,907 |
