| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,739 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,261 |
| Countries with Megacities | 0 | - | 4.99 | 267,332 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,943 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,191 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,261 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,307 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,454,663 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,629 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,363 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,305 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,710 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,931 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 94,262 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,651 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,040 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,249 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,467 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,056 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,930 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,412 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,724 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,786 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,924 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,212 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,866 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,925 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,558 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,220 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,531 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,877 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,789 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,704 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,980 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,650 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,219 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,013 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 104,955 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,988 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,905 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 160,010 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,506 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.86 | 23,828 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,276 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,582 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 78,607 |
| Biggest Cities in the World | 0 | - | 4.91 | 805,990 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,809 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 89,483 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,778 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 116,162 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,490 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,983 |
| Biggest City in Every Country | 0 | - | 4.98 | 102,022 |
| Biggest Cities by Latitude Range | 0 | - | 4.81 | 32,841 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,530 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,515 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 150,163 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,827 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,283 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 81,002 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,648 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,755 |
| Ten Southernmost Megacities | 0 | - | 4.84 | 65,241 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,439 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,490 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,911 |
| Olympic Host Countries | 0 | - | 4.98 | 202,032 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,039 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,234 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 314,201 |
| The Only European Country ... | 0 | - | 4.91 | 219,178 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,045 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,602 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,945 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 420,789 |
| Biggest Cities in the United States | 0 | - | 4.94 | 987,575 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 368,174 |
| Countries of Africa | 0 | - | 5.00 | 2,561,272 |
| United States Map Quiz | 0 | - | 4.98 | 4,171,969 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 71,035 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,391 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,651 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,721 |
| Largest City by Island | 0 | - | 4.87 | 72,484 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,445 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,729 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,176 |
| Megacities on a World Map | 0 | - | 4.98 | 257,084 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 582,220 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,788 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,725 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,527 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 35,296 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,724 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,336,084 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,933 |
| Countries of the Middle East | 0 | - | 4.96 | 203,020 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,233 |
| Slavic Countries | 0 | - | 4.96 | 112,412 |
| African Island Countries | 0 | - | 4.96 | 102,580 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,196 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,530 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 53,267 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,032,023 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,868 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,355 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,734 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 145,206 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,825 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,612 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,594 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,017 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,882 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,123 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,903 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,468 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,965 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,200 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.95 | 43,561 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 86,548 |
| Boundary Waters | 0 | - | 4.92 | 88,784 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,426 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,736 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,389 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,994 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 71,005 |
| Most Populous Islands | 0 | - | 4.80 | 123,365 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,386 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,656 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,590 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 169,028 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,219 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,450 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 348,909 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,255 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,536 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,274 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,171 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,704 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,987 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,964 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,499 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,143 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,690 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,539 |
| 10 Easternmost Countries in Africa | 0 | - | 4.98 | 25,150 |
| Monarchies of Europe | 0 | - | 4.90 | 98,910 |
| Monarchies of Asia | 0 | - | 4.97 | 71,526 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,719 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,304 |
| Countries that Start with A | 0 | - | 4.98 | 2,176,418 |
| Countries that Start with B | 0 | - | 4.95 | 2,307,129 |
| Countries that Start with C | 0 | - | 4.96 | 1,831,988 |
| Countries that Start with D | 0 | - | 4.96 | 716,792 |
| Countries that Start with E | 0 | - | 4.95 | 1,385,518 |
| Countries that Start with G | 0 | - | 4.97 | 1,511,974 |
| Countries that Start with H | 0 | - | 4.96 | 609,839 |
| Countries that Start with I | 0 | - | 4.92 | 1,294,906 |
| Countries that Start with J | 0 | - | 4.98 | 607,214 |
| Countries that Start with K | 0 | - | 4.97 | 821,030 |
| Countries that Start with L | 0 | - | 4.98 | 1,097,144 |
| Countries that Start with N | 0 | - | 4.93 | 1,124,218 |
| Countries that Start with P | 0 | - | 4.94 | 1,222,365 |
| Countries that Start with S | 0 | - | 4.98 | 1,763,598 |
| Countries that Start with T | 0 | - | 4.90 | 1,015,149 |
| Countries that Start with U | 0 | - | 4.97 | 908,679 |
| Countries that Start with V | 0 | - | 4.98 | 612,156 |
| Countries that Start with F | 0 | - | 4.83 | 621,499 |
| Countries that Start with M | 0 | - | 4.97 | 1,388,616 |
| The Only African Country ... | 0 | - | 4.99 | 129,709 |
| The Only American Country ... | 0 | - | 4.92 | 122,242 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,403 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,443 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 96,868 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,573 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.90 | 106,907 |
| European Countries with One Border | 0 | - | 4.97 | 183,860 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,578 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,884 |
| Counties of England Map Quiz | 0 | - | 4.97 | 309,120 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,536 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,905,870 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 60,136 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,662 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,167 |
| Biggest City by Region | 0 | - | 4.50 | 36,398 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,349 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,326 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,992 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,855 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,777 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,314 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,447 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,574 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,546 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,581 |
| Most Populous Countries in 1800 | 0 | - | 4.33 | 42,263 |
| Landlocked Countries | 0 | - | 4.99 | 426,264 |
| UK Immigration by Country | 0 | - | 4.94 | 141,759 |
