| Countries of Europe by Population | 0 | - | 4.98 | 178,359 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,163 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,156 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,997 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,069 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,876 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,936 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,188 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,552 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,828 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,922 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,725 |
| North America Capitals Quiz | 0 | - | 4.99 | 217,250 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,640 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,633 |
| Countries with Megacities | 0 | - | 4.99 | 247,590 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,475 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,210 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,888 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,134 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,551 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,891 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,495 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,756 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,265 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,436,389 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,965 |
| Biggest Cities in the World | 0 | - | 4.91 | 791,425 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,158 |
| Random European Capital to Country | 0 | - | 4.98 | 189,386 |
| Random European Country to Capital | 0 | - | 4.92 | 147,593 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,463 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,539 |
| Random African Capital to Country | 0 | - | 4.97 | 99,796 |
| Random African Country to Capital | 0 | - | 4.94 | 70,302 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,613 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,952 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,200 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,031 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,282 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,031 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,564 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,822 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,412 |
| Biggest City by Time Zone | 0 | - | 4.88 | 66,826 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,896 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 222,328 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,055 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 130,608 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,675 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,639 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 414,047 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,726 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,163 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,262 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,824 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 66,805 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,688 |
| Biggest Cities in the United States | 0 | - | 4.93 | 968,003 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,120 |
| Name a City - European Countries | 0 | - | 4.92 | 64,563 |
| Africa Capitals Quiz | 0 | - | 4.99 | 731,154 |
| Asia Capitals Quiz | 0 | - | 4.98 | 686,737 |
| United States Map Quiz | 0 | - | 4.98 | 4,143,675 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 105,104 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,620 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,914 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,716 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,405 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,827 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,683 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,114 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,208 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,493 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,080 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,507 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,697 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,354 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,780 |
| Biggest Cities by Language | 0 | - | 4.96 | 239,132 |
| Largest City by Island | 0 | - | 4.87 | 71,134 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,444 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,662 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,364 |
| Megacities on a World Map | 0 | - | 4.98 | 251,302 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,823 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,877 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,961 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,986 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,292 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,621 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,427 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,368 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,711 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,645 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,902 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,325 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,461 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 74,028 |
| Europe Capital to Country | 0 | - | 4.99 | 248,170 |
| Asia Capital to Country | 0 | - | 4.96 | 125,853 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,666 |
| European Capitals by Map | 0 | - | 4.99 | 136,751 |
| African Capitals by Map | 0 | - | 4.99 | 132,345 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,334 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,325 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,741 |
| European Coastal Capitals | 0 | - | 4.95 | 89,883 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,234 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 267,267 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 222,097 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,467 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,237 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,254 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,013,248 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 636,467 |
| South America Map Quiz | 0 | - | 5.00 | 1,542,031 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,372 |
| Flags of North and South America | 0 | - | 4.99 | 368,149 |
| Canada Provinces and Territories | 0 | - | 5.00 | 338,452 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,483 |
| North America Cities by Map | 0 | - | 4.41 | 47,642 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,669 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,285 |
| Most Populous Islands | 0 | - | 4.79 | 122,050 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,212 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,419 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,643 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,734 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,531 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,895 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,220 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,003 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,161 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,613 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,611 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,460 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,641 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,379 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,692 |
| Official Cities in the UK | 0 | - | 4.89 | 280,943 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,037 |
| South American Cities on the Map | 0 | - | 4.57 | 35,260 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 149,816 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,638 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,849 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,881 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,753 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,509 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,278 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,251 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,771 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,588 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,834 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,487 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,426 |
| The Only American Country ... | 0 | - | 4.92 | 120,859 |
| United States Country Quiz | 0 | - | 4.43 | 100,718 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 900,045 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,099 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,949 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,123 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,023 |
| Capitals of the Stans | 0 | - | 4.95 | 26,473 |
| Boundary Waters | 0 | - | 4.92 | 88,083 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,853 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,395 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 61,448 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,914 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,013 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,579 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,155 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,683 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,720 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,937 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,325 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 145,270 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,126 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,739 |
| Central American Countries | 0 | - | 4.98 | 155,176 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,162 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,475 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 146,166 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,934 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,240 |
| States of Mexico | 0 | - | 4.95 | 173,668 |
| States of Brazil | 0 | - | 4.98 | 86,599 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,095 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 91,974 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,258 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,475 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 114,021 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,998 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,923 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,749 |
| Biggest City by Region | 0 | - | 4.50 | 36,020 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,927 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,049 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,243 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,951 |
