| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,133 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,078 |
| Countries with Megacities | 0 | - | 4.99 | 260,846 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,933 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,019 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,212 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,034 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,443,529 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,789 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,571 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,462 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,696 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,288 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,389 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,944 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,700 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,255 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,419 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,936 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,513 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,254 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,739 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,993 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,185 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,832 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,781 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,123 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,099 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,545 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,174 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,456 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,100 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,808 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,939 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,508 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,561 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,074 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,667 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,773 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,363 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,067 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,145 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,325 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,604 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,402 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,025 |
| Biggest Cities in the World | 0 | - | 4.91 | 796,942 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,341 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 88,915 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,430 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,538 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,748 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,533 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,000 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 224,278 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,964 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 132,988 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,441 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,244 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,529 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,709 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,812 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 62,186 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,409 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,906 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,618 |
| Olympic Host Countries | 0 | - | 4.98 | 200,432 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,653 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,901 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 308,235 |
| The Only European Country ... | 0 | - | 4.91 | 216,083 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,837 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,829 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,593 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 416,584 |
| Biggest Cities in the United States | 0 | - | 4.94 | 975,998 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,614 |
| Countries of Africa | 0 | - | 5.00 | 2,531,210 |
| United States Map Quiz | 0 | - | 4.98 | 4,154,560 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,805 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,222 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,079 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,058 |
| Largest City by Island | 0 | - | 4.87 | 71,706 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,803 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,704 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,277 |
| Megacities on a World Map | 0 | - | 4.98 | 253,546 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 577,166 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,230 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,735 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,280 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,679 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,110 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,653 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,247 |
| Countries of the Middle East | 0 | - | 4.96 | 200,820 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,048 |
| Slavic Countries | 0 | - | 4.96 | 111,517 |
| African Island Countries | 0 | - | 4.96 | 101,469 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,808 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,843 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 46,644 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,020,958 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,693 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,317 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,239 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,913 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,719 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,468 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,570 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,528 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,112 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,014 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,427 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,051 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,998 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,846 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,117 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 85,988 |
| Boundary Waters | 0 | - | 4.92 | 88,387 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,092 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,929 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 62,209 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,354 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,285 |
| Most Populous Islands | 0 | - | 4.80 | 122,811 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,279 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,510 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,736 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,920 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,686 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,910 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 344,878 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,147 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,826 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,280 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,032 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.90 | 12,697 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,130 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,317 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,762 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,092 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,966 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,960 |
| Monarchies of Europe | 0 | - | 4.90 | 97,987 |
| Monarchies of Asia | 0 | - | 4.97 | 70,998 |
| Countries with the Most Downhill Skiing | 0 | - | 4.91 | 57,285 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,790 |
| Countries that Start with A | 0 | - | 4.98 | 2,159,386 |
| Countries that Start with B | 0 | - | 4.95 | 2,291,356 |
| Countries that Start with C | 0 | - | 4.96 | 1,819,568 |
| Countries that Start with D | 0 | - | 4.96 | 707,878 |
| Countries that Start with E | 0 | - | 4.95 | 1,375,144 |
| Countries that Start with G | 0 | - | 4.97 | 1,500,827 |
| Countries that Start with H | 0 | - | 4.96 | 603,321 |
| Countries that Start with I | 0 | - | 4.92 | 1,286,410 |
| Countries that Start with J | 0 | - | 4.98 | 601,152 |
| Countries that Start with K | 0 | - | 4.97 | 814,462 |
| Countries that Start with L | 0 | - | 4.98 | 1,089,145 |
| Countries that Start with N | 0 | - | 4.93 | 1,116,105 |
| Countries that Start with P | 0 | - | 4.94 | 1,214,598 |
| Countries that Start with S | 0 | - | 4.98 | 1,752,699 |
| Countries that Start with T | 0 | - | 4.90 | 1,008,655 |
| Countries that Start with U | 0 | - | 4.97 | 903,511 |
| Countries that Start with V | 0 | - | 4.98 | 608,553 |
| Countries that Start with F | 0 | - | 4.83 | 616,466 |
| Countries that Start with M | 0 | - | 4.97 | 1,379,894 |
| The Only African Country ... | 0 | - | 4.98 | 128,973 |
| The Only American Country ... | 0 | - | 4.92 | 121,431 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,071 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,680 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,709 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,295 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,807 |
| European Countries with One Border | 0 | - | 4.97 | 182,550 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,359 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,033 |
| Counties of England Map Quiz | 0 | - | 4.97 | 307,080 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,088 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,345,726 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,422 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,051 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,924 |
| Biggest City by Region | 0 | - | 4.50 | 36,128 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,058 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,805 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,415 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,966 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,551 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,157 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,330 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,175 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,015 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,373 |
| Most Populous Countries in 1800 | 0 | - | 4.33 | 42,048 |
| Landlocked Countries | 0 | - | 4.99 | 419,126 |
| UK Immigration by Country | 0 | - | 4.94 | 140,722 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.42 | 57,769 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,792 |
