| South America Capitals Quiz | 0 | - | 5.00 | 477,135 |
| South America Map Quiz | 0 | - | 5.00 | 1,541,000 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,372 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,975 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,367 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,322 |
| South American Cities on the Map | 0 | - | 4.57 | 35,239 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,123 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,577 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,875 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,949 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,809 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,963 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,814 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,921 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,786 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,735 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,595 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,599 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,312 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,717 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,380 |
| Central American Countries | 0 | - | 4.98 | 155,009 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 145,836 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,764 |
| States of Brazil | 0 | - | 4.98 | 86,349 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 52,916 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,129 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,663 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,527 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,060 |
| Countries with Megacities | 0 | - | 4.99 | 246,640 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,985 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,844 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,408 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,782 |
| Biggest Cities in the World | 0 | - | 4.92 | 790,108 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,090 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,796 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,858 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,841 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,455 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,560 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,222 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,617 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,615 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,815 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,819 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 129,947 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,460 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,494 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,514 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,549 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,036 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,143 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,723 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,653 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,492 |
| Biggest Cities in the United States | 0 | - | 4.93 | 966,271 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,713 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,890 |
| Name a City - European Countries | 0 | - | 4.92 | 64,359 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,016 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,658 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,514 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,875 |
| United States Map Quiz | 0 | - | 4.98 | 4,141,291 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,781 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,176 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,651 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,084 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,124 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,280 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,884 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,368 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,556 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,274 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,395 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,817 |
| Largest City by Island | 0 | - | 4.87 | 71,015 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,369 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,511 |
| Biggest European Cities by Century | 0 | - | 4.98 | 142,709 |
| Megacities on a World Map | 0 | - | 4.98 | 250,872 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,094 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,776 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,843 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,674 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,119 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,425 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,261 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,239 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,581 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,543 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,781 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,186 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,457 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,327 |
| North America Cities by Map | 0 | - | 4.41 | 47,610 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,775 |
| Europe Capital to Country | 0 | - | 4.99 | 247,561 |
| Asia Capital to Country | 0 | - | 4.96 | 125,720 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,415 |
| European Capitals by Map | 0 | - | 4.99 | 136,199 |
| African Capitals by Map | 0 | - | 4.99 | 132,119 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,105 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,156 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,584 |
| European Coastal Capitals | 0 | - | 4.95 | 89,720 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,173 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,708 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,725 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,409 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 164,086 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,057 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,367 |
| Belize Country Quiz | 0 | - | 4.85 | 20,799 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,801 |
| Flags of North and South America | 0 | - | 4.99 | 366,888 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,759 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,272 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,360 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,125 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 166,981 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,275 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,557 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 341,944 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,478 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,279 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,569 |
| Official Cities in the UK | 0 | - | 4.89 | 280,450 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,638 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,393 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,086 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,159 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,688 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,422 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,749 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,316 |
| The Only American Country ... | 0 | - | 4.92 | 120,731 |
| Venezuela Country Quiz | 0 | - | 4.50 | 30,384 |
| Paraguay Country Quiz | 0 | - | 4.53 | 25,074 |
| Bolivia Country Quiz | 0 | - | 4.63 | 26,023 |
| Suriname Country Quiz | 0 | - | 4.60 | 19,666 |
| Guyana Country Quiz | 0 | - | 4.49 | 22,582 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 56,929 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,849 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 62,914 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,937 |
| Most Populous Islands | 0 | - | 4.79 | 121,964 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,197 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,401 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,605 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,720 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,839 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,915 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,710 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 149,678 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,586 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,791 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,311 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,216 |
| Capitals of the Stans | 0 | - | 4.95 | 26,398 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,940 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,525 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,108 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,418 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,545 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,761 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,539 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,458 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,173 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,656 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,878 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,801 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,656 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,633 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,820 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,062 |
| Name the U.S. National Parks | 0 | - | 4.86 | 58,819 |
| States of Mexico | 0 | - | 4.95 | 173,293 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 91,884 |
| Boundary Waters | 0 | - | 4.92 | 88,027 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,804 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,248 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,248 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,822 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 99,432 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,895 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,895 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,684 |
| Biggest City by Region | 0 | - | 4.50 | 35,990 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,893 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,236 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,428 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,254 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,009 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,216 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,912 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,701 |
