| Countries of Europe by Population | 0 | - | 4.98 | 183,590 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,897 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,429 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,269 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 105,082 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,967 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,158 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,183 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,808 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 178,605 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,563 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,577 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,625 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,464 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,478 |
| Countries with Megacities | 0 | - | 4.99 | 267,806 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,130 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,330 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,459 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,427 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,257 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,416 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,782 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,549 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 246,968 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,455,944 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,948 |
| Biggest Cities in the World | 0 | - | 4.91 | 806,902 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,163 |
| Random European Capital to Country | 0 | - | 4.98 | 192,339 |
| Random European Country to Capital | 0 | - | 4.93 | 166,072 |
| Random Asian Country to Capital | 0 | - | 4.92 | 97,086 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,559 |
| Random African Capital to Country | 0 | - | 4.97 | 101,468 |
| Random African Country to Capital | 0 | - | 4.94 | 71,880 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,715 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,573 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,568 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,462 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,506 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,807 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,992 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 94,356 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,716 |
| Biggest City by Time Zone | 0 | - | 4.88 | 69,083 |
| Biggest City in Every Country | 0 | - | 4.98 | 102,177 |
| Biggest Cities by Latitude Range | 0 | - | 4.81 | 32,948 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,807 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,647 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 150,558 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,943 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,375 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 421,121 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 81,090 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,714 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,834 |
| Ten Southernmost Megacities | 0 | - | 4.84 | 65,298 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,555 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,736 |
| Biggest Cities in the United States | 0 | - | 4.94 | 989,012 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 368,488 |
| Name a City - European Countries | 0 | - | 4.89 | 66,373 |
| Africa Capitals Quiz | 0 | - | 4.99 | 744,995 |
| Asia Capitals Quiz | 0 | - | 4.98 | 699,913 |
| United States Map Quiz | 0 | - | 4.98 | 4,173,325 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 107,185 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,831 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,376 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,879 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,601 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,367 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 71,058 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,413 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,969 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,556 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,845 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,887 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 91,036 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,252 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,774 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,842 |
| Largest City by Island | 0 | - | 4.87 | 72,561 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,485 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,854 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,240 |
| Megacities on a World Map | 0 | - | 4.98 | 257,423 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 582,789 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,834 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,827 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,760 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 42,419 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,842 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 224,020 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 136,009 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,603 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,277 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,571 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,921 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,864 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,666 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,328 |
| Europe Capital to Country | 0 | - | 4.99 | 252,547 |
| Asia Capital to Country | 0 | - | 4.96 | 127,682 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,262 |
| European Capitals by Map | 0 | - | 4.99 | 142,499 |
| African Capitals by Map | 0 | - | 4.99 | 142,567 |
| Asian Capitals by Map | 0 | - | 4.98 | 64,107 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 93,112 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,371 |
| European Coastal Capitals | 0 | - | 4.95 | 91,480 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,265 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 273,248 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 226,196 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,237 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 165,796 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 171,125 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,033,114 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 645,274 |
| South America Map Quiz | 0 | - | 5.00 | 1,558,242 |
| Latin American Countries Map Quiz | 0 | - | 4.98 | 130,846 |
| Flags of North and South America | 0 | - | 4.99 | 378,037 |
| Canada Provinces and Territories | 0 | - | 5.00 | 347,009 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,720 |
| North America Cities by Map | 0 | - | 4.41 | 47,973 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 176,230 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,508 |
| Most Populous Islands | 0 | - | 4.80 | 123,432 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,402 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,674 |
| Countries by Population Decrease | 0 | - | 4.46 | 50,017 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,964 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 160,100 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,543 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,696 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.86 | 23,890 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 169,119 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,345 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,479 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 349,317 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,351 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,599 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,359 |
| Official Cities in the UK | 0 | - | 4.89 | 286,828 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,651 |
| South American Cities on the Map | 0 | - | 4.52 | 35,577 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,974 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,284 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,345 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 27,246 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,356 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,713 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,306 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,484 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,655 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 62,056 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,812 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,695 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,767 |
| The Only American Country ... | 0 | - | 4.92 | 122,339 |
| United States Country Quiz | 0 | - | 4.43 | 102,327 |
| Central America and Caribbean Map Quiz | 0 | - | 4.90 | 905,434 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,942 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 76,049 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 65,286 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,953 |
| Highest Fertility Countries | 0 | - | 4.90 | 27,303 |
| Capitals of the Stans | 0 | - | 4.95 | 27,227 |
| Boundary Waters | 0 | - | 4.92 | 88,832 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,465 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,829 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,551 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,060 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,861 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,363 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 74,028 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 226,070 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,914 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.90 | 116,705 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 71,109 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 151,769 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,950 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,679 |
| Central American Countries | 0 | - | 4.98 | 157,521 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,688 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,942 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,710 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 151,008 |
| Mexico States Map Quiz | 0 | - | 4.85 | 105,766 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,586 |
| States of Mexico | 0 | - | 4.96 | 178,690 |
| States of Brazil | 0 | - | 4.98 | 90,022 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.93 | 55,008 |
| American Countries With No Atlantic Coastline | 0 | - | 4.93 | 92,891 |
| Countries of South America with an Empty Map | 0 | - | 4.95 | 105,602 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,871 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 116,225 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 60,195 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,676 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,179 |
| Biggest City by Region | 0 | - | 4.50 | 36,416 |
