| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,413 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,164 |
| Countries with Megacities | 0 | - | 4.99 | 261,802 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,032 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,070 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,315 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,108 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,444,023 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,908 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,601 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,531 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,744 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,315 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,434 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,979 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,766 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,373 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,460 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,993 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,533 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,301 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,775 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,045 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,212 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,847 |
| Largest City by Island | 0 | - | 4.87 | 71,751 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,825 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,158 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,122 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,612 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,192 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,473 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,135 |
| African Island Countries | 0 | - | 4.96 | 101,507 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,842 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,985 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,602 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,642 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,129 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,706 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,778 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,374 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,120 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,162 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,340 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,629 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,105 |
| Biggest Cities in the World | 0 | - | 4.91 | 797,402 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,358 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,459 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,571 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,796 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,665 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,173 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 224,508 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,075 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 133,226 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,565 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,332 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,641 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,776 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,870 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 63,636 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,479 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 130,031 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,716 |
| Olympic Host Countries | 0 | - | 4.98 | 200,522 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,705 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,974 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 308,497 |
| The Only European Country ... | 0 | - | 4.91 | 216,228 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,934 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,903 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,608 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.88 | 144,433 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 416,785 |
| Biggest Cities in the United States | 0 | - | 4.94 | 976,598 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,747 |
| Countries of Africa | 0 | - | 5.00 | 2,532,458 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,815 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,232 |
| Asian Island Nations | 0 | - | 4.63 | 94,121 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,135 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,149 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,840 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,772 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,317 |
| Megacities on a World Map | 0 | - | 4.98 | 253,724 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 577,404 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,265 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,788 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,360 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,169 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,327,021 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,357 |
| Countries of the Middle East | 0 | - | 4.96 | 200,902 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,108 |
| Slavic Countries | 0 | - | 4.96 | 111,546 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,825 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,915 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.83 | 46,757 |
| Islands by Country #1 | 0 | - | 4.88 | 175,176 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,021,474 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,738 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,368 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,315 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,975 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,780 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,516 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,611 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,552 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,139 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,062 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,480 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,101 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,034 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,887 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,163 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 86,003 |
| Boundary Waters | 0 | - | 4.92 | 88,404 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,110 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,976 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,261 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,385 |
| Most Populous Islands | 0 | - | 4.80 | 122,842 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,288 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,514 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,828 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,799 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,989 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,743 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,931 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 345,070 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,213 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,864 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.91 | 12,854 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,397 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,789 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,131 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,005 |
| Richest Island Countries | 0 | - | 4.84 | 100,372 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,999 |
| Monarchies of Europe | 0 | - | 4.90 | 98,017 |
| Monarchies of Asia | 0 | - | 4.97 | 71,017 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 68,674 |
| Countries with the Most Downhill Skiing | 0 | - | 4.91 | 57,311 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,807 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,530 |
| Countries that Start with A | 0 | - | 4.98 | 2,160,089 |
| Countries that Start with B | 0 | - | 4.95 | 2,291,940 |
| Countries that Start with C | 0 | - | 4.96 | 1,820,063 |
| Countries that Start with D | 0 | - | 4.96 | 708,205 |
| Countries that Start with E | 0 | - | 4.95 | 1,375,545 |
| Countries that Start with G | 0 | - | 4.97 | 1,501,259 |
| Countries that Start with H | 0 | - | 4.96 | 603,593 |
| Countries that Start with I | 0 | - | 4.92 | 1,286,715 |
| Countries that Start with J | 0 | - | 4.98 | 601,392 |
| Countries that Start with K | 0 | - | 4.97 | 814,739 |
| Countries that Start with L | 0 | - | 4.98 | 1,089,461 |
| Countries that Start with N | 0 | - | 4.93 | 1,116,450 |
| Countries that Start with P | 0 | - | 4.94 | 1,214,899 |
| Countries that Start with S | 0 | - | 4.98 | 1,753,084 |
| Countries that Start with T | 0 | - | 4.90 | 1,008,861 |
| Countries that Start with U | 0 | - | 4.97 | 903,702 |
| Countries that Start with V | 0 | - | 4.98 | 608,720 |
| Countries that Start with F | 0 | - | 4.83 | 616,687 |
| Countries that Start with M | 0 | - | 4.97 | 1,380,247 |
| The Only African Country ... | 0 | - | 4.99 | 129,006 |
| The Only American Country ... | 0 | - | 4.92 | 121,469 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,089 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,706 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,736 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,351 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,848 |
| European Countries with One Border | 0 | - | 4.97 | 182,601 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,421 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,072 |
| Name a Valid Island Country | 0 | - | 4.96 | 114,808 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,370,270 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,461 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,062 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,940 |
| Biggest City by Region | 0 | - | 4.50 | 36,140 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,063 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,834 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,456 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,045 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,594 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,165 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,335 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,204 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,095 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,389 |
| Most Populous Countries in 1800 | 0 | - | 4.33 | 42,052 |
| Landlocked Countries | 0 | - | 4.99 | 419,439 |
| UK Immigration by Country | 0 | - | 4.94 | 140,762 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.42 | 57,780 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,833 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 95,431 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 56,324 |
