| Countries of Europe by Population | 0 | - | 4.98 | 181,206 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,158 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,072 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,536 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,252 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,512 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,318 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,327 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,851 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 176,103 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,102 |
| South America Capitals Quiz | 0 | - | 5.00 | 482,076 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,278 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,934 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,747 |
| Countries with Megacities | 0 | - | 4.99 | 264,203 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,598 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,393 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,860 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,457 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,058 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,911 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,193 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,775 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,510 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,447,245 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,754 |
| Biggest Cities in the World | 0 | - | 4.91 | 800,127 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,738 |
| Random European Capital to Country | 0 | - | 4.98 | 191,085 |
| Random European Country to Capital | 0 | - | 4.93 | 165,292 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,546 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,871 |
| Random African Capital to Country | 0 | - | 4.97 | 100,806 |
| Random African Country to Capital | 0 | - | 4.94 | 71,328 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,842 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,907 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,985 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,834 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,062 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,041 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,500 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,658 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,170 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,167 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,872 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 225,597 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,598 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 134,470 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,017 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,683 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 418,345 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,145 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,036 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,204 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,732 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,799 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 130,812 |
| Biggest Cities in the United States | 0 | - | 4.94 | 980,010 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,529 |
| Name a City - European Countries | 0 | - | 4.90 | 65,515 |
| Africa Capitals Quiz | 0 | - | 4.99 | 738,836 |
| Asia Capitals Quiz | 0 | - | 4.98 | 694,054 |
| United States Map Quiz | 0 | - | 4.98 | 4,161,722 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,179 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,251 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,159 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,677 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,781 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,179 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,894 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,281 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,668 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,611 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,048 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,265 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,432 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,944 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,919 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,794 |
| Largest City by Island | 0 | - | 4.87 | 71,986 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,097 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,107 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,672 |
| Megacities on a World Map | 0 | - | 4.98 | 255,044 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 578,943 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,449 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,086 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,977 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,572 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,134 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,424 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,268 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,853 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,301 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,604 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,350 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,849 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,281 |
| Europe Capital to Country | 0 | - | 4.99 | 250,648 |
| Asia Capital to Country | 0 | - | 4.96 | 126,770 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,070 |
| European Capitals by Map | 0 | - | 4.99 | 139,671 |
| African Capitals by Map | 0 | - | 4.99 | 134,055 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,564 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,211 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,548 |
| European Coastal Capitals | 0 | - | 4.95 | 90,726 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,636 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,504 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,319 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,887 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,093 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,262 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,024,768 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 641,129 |
| South America Map Quiz | 0 | - | 5.00 | 1,550,882 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,979 |
| Flags of North and South America | 0 | - | 4.99 | 373,815 |
| Canada Provinces and Territories | 0 | - | 5.00 | 343,228 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,604 |
| North America Cities by Map | 0 | - | 4.41 | 47,827 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,588 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,398 |
| Most Populous Islands | 0 | - | 4.80 | 122,990 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,315 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,552 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,859 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,859 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,427 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,275 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,072 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,489 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,424 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,213 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.93 | 50,170 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 346,321 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,583 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,123 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,854 |
| Official Cities in the UK | 0 | - | 4.89 | 284,237 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,384 |
| South American Cities on the Map | 0 | - | 4.53 | 35,446 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,738 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,989 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,130 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,602 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,593 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,139 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,433 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,944 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,245 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,489 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,356 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,600 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,215 |
| The Only American Country ... | 0 | - | 4.92 | 121,739 |
| United States Country Quiz | 0 | - | 4.43 | 101,634 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 902,685 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 58,095 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,554 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,311 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,552 |
| Capitals of the Stans | 0 | - | 4.95 | 26,885 |
| Boundary Waters | 0 | - | 4.92 | 88,520 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,219 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,205 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,608 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,542 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,530 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,967 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,590 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,627 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,983 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,568 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,290 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 148,779 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,573 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,244 |
| Central American Countries | 0 | - | 4.98 | 156,634 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,293 |
| Brazil States Map Quiz | 0 | - | 4.85 | 48,198 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 148,798 |
| Mexico States Map Quiz | 0 | - | 4.84 | 104,895 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,037 |
| States of Mexico | 0 | - | 4.96 | 176,478 |
| States of Brazil | 0 | - | 4.97 | 88,372 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,059 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,529 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 105,015 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,319 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,784 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,680 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,544 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,023 |
| Biggest City by Region | 0 | - | 4.50 | 36,259 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,175 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,213 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,368 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,332 |
