| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,794 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,294 |
| Countries with Megacities | 0 | - | 4.99 | 262,659 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,134 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,140 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,429 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,187 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,444,744 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,101 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,659 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,643 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,815 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,353 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,480 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,025 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,855 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,579 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,533 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,066 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,571 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,365 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,831 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,089 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,264 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,872 |
| Largest City by Island | 0 | - | 4.87 | 71,803 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,898 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,205 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,155 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,681 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,222 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,512 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,185 |
| African Island Countries | 0 | - | 4.96 | 101,557 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,890 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,042 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,743 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,742 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,214 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,768 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,798 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,396 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,173 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,194 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,369 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,683 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,215 |
| Biggest Cities in the World | 0 | - | 4.91 | 798,005 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,390 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,487 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,627 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,843 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,819 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,372 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 224,773 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,213 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 133,537 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,713 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,429 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,763 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 58,277 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,960 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,204 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,555 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 130,171 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,872 |
| Olympic Host Countries | 0 | - | 4.98 | 200,620 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,758 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,103 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 308,936 |
| The Only European Country ... | 0 | - | 4.91 | 216,425 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,091 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,007 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,633 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.88 | 144,553 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 417,120 |
| Biggest Cities in the United States | 0 | - | 4.94 | 977,422 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,944 |
| Countries of Africa | 0 | - | 5.00 | 2,534,542 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,832 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,244 |
| Asian Island Nations | 0 | - | 4.63 | 94,148 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,435 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,275 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,898 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,853 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,392 |
| Megacities on a World Map | 0 | - | 4.98 | 254,262 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 577,735 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,307 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,866 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,494 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,252 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,327,702 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,510 |
| Countries of the Middle East | 0 | - | 4.96 | 201,025 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,197 |
| Slavic Countries | 0 | - | 4.96 | 111,601 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,855 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,037 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.81 | 46,897 |
| Islands by Country #1 | 0 | - | 4.88 | 175,222 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,022,313 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,802 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,432 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,396 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,044 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,874 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,599 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,671 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,580 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,179 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,135 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,525 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,165 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,099 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,941 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,208 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 86,038 |
| Boundary Waters | 0 | - | 4.92 | 88,439 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,129 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,021 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,354 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,422 |
| Most Populous Islands | 0 | - | 4.80 | 122,879 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,294 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,523 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,836 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,864 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,069 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,852 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,989 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 345,277 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,307 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,908 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.91 | 13,003 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,485 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,843 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,219 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,055 |
| Richest Island Countries | 0 | - | 4.84 | 100,452 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,038 |
| Monarchies of Europe | 0 | - | 4.90 | 98,070 |
| Monarchies of Asia | 0 | - | 4.97 | 71,051 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 68,718 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,344 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,845 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,691 |
| Countries that Start with A | 0 | - | 4.98 | 2,161,259 |
| Countries that Start with B | 0 | - | 4.95 | 2,293,042 |
| Countries that Start with C | 0 | - | 4.96 | 1,820,954 |
| Countries that Start with D | 0 | - | 4.96 | 708,863 |
| Countries that Start with E | 0 | - | 4.95 | 1,376,314 |
| Countries that Start with G | 0 | - | 4.97 | 1,502,329 |
| Countries that Start with H | 0 | - | 4.96 | 604,157 |
| Countries that Start with I | 0 | - | 4.92 | 1,287,354 |
| Countries that Start with J | 0 | - | 4.98 | 601,896 |
| Countries that Start with K | 0 | - | 4.97 | 815,210 |
| Countries that Start with L | 0 | - | 4.98 | 1,090,033 |
| Countries that Start with N | 0 | - | 4.93 | 1,117,024 |
| Countries that Start with P | 0 | - | 4.94 | 1,215,459 |
| Countries that Start with S | 0 | - | 4.98 | 1,753,840 |
| Countries that Start with T | 0 | - | 4.90 | 1,009,277 |
| Countries that Start with U | 0 | - | 4.97 | 904,067 |
| Countries that Start with V | 0 | - | 4.98 | 609,016 |
| Countries that Start with F | 0 | - | 4.83 | 617,131 |
| Countries that Start with M | 0 | - | 4.97 | 1,380,859 |
| The Only African Country ... | 0 | - | 4.99 | 129,054 |
| The Only American Country ... | 0 | - | 4.92 | 121,537 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,107 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,745 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,785 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,432 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,924 |
| European Countries with One Border | 0 | - | 4.97 | 182,694 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,493 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,141 |
| Name a Valid Island Country | 0 | - | 4.96 | 114,859 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,409,161 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,509 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,070 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,958 |
| Biggest City by Region | 0 | - | 4.50 | 36,188 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,115 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,878 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,498 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,178 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,682 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,174 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,343 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,224 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,194 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,398 |
| Most Populous Countries in 1800 | 0 | - | 4.33 | 42,077 |
| Landlocked Countries | 0 | - | 4.99 | 419,851 |
| UK Immigration by Country | 0 | - | 4.94 | 140,828 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.42 | 57,798 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,879 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 95,477 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 56,361 |
