| South America Capitals Quiz | 0 | - | 5.00 | 477,330 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,389 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,466 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,335 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,119 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,412 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,481 |
| Largest City by Island | 0 | - | 4.87 | 71,054 |
| South American Cities on the Map | 0 | - | 4.57 | 35,246 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,072 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,286 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,605 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,991 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,024 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,873 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,002 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,831 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,639 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,016 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,065 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,397 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,768 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,409 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,803 |
| States of Brazil | 0 | - | 4.98 | 86,400 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 52,978 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,435,197 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,673 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,268 |
| Countries with Megacities | 0 | - | 4.99 | 246,983 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,154 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,999 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,725 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,576 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,893 |
| Biggest Cities in the World | 0 | - | 4.92 | 790,509 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,295 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,459 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,743 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,800 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,513 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,543 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,677,777 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,974 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,099 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,550 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,893 |
| Brazil Country Quiz | 0 | - | 4.52 | 101,099 |
| Argentina Country Quiz | 0 | - | 4.53 | 57,091 |
| Peru Country Quiz | 0 | - | 4.54 | 48,307 |
| Chile Country Quiz | 0 | - | 4.75 | 39,731 |
| Brazil Cities Map Quiz | 0 | - | 4.62 | 36,370 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,124 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,849 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,946 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,896 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,795 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,500 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,616 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,282 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,663 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,701 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,966 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,878 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 130,073 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,501 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,538 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,669 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,594 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,062 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,177 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,759 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 66,697 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,541 |
| Biggest Cities in the United States | 0 | - | 4.93 | 966,782 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,813 |
| Name a City - European Countries | 0 | - | 4.92 | 64,418 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,384 |
| Asia Capitals Quiz | 0 | - | 4.98 | 686,001 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,382 |
| Which South American Country? | 0 | - | 4.69 | 51,726 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,255 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,156 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,353 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,953 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,415 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,606 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,307 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,499 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,863 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,396 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,558 |
| Biggest European Cities by Century | 0 | - | 4.98 | 143,684 |
| Megacities on a World Map | 0 | - | 4.98 | 250,999 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,322 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,804 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,877 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,784 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,163 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,491 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,309 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,289 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,619 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,580 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,819 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,228 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,373 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,843 |
| Europe Capital to Country | 0 | - | 4.99 | 247,946 |
| Asia Capital to Country | 0 | - | 4.96 | 125,772 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,480 |
| European Capitals by Map | 0 | - | 4.99 | 136,310 |
| African Capitals by Map | 0 | - | 4.99 | 132,192 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,153 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,209 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,629 |
| European Coastal Capitals | 0 | - | 4.95 | 89,782 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,192 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,852 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,863 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,430 |
| African Island Countries | 0 | - | 4.96 | 100,800 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,134 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,121 |
| Islands by Country #1 | 0 | - | 4.87 | 174,496 |
| Belize Country Quiz | 0 | - | 4.85 | 20,808 |
| South America Map Quiz | 0 | - | 5.00 | 1,541,325 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,248 |
| Flags of North and South America | 0 | - | 4.99 | 367,347 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,656 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,091 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,086 |
| Countries that Beat Brazil | 0 | - | 4.49 | 67,894 |
| Venezuela Country Quiz | 0 | - | 4.50 | 30,395 |
| Paraguay Country Quiz | 0 | - | 4.53 | 25,087 |
| Bolivia Country Quiz | 0 | - | 4.63 | 26,032 |
| Ecuador Country Quiz | 0 | - | 4.60 | 31,608 |
| Suriname Country Quiz | 0 | - | 4.60 | 19,670 |
| Guyana Country Quiz | 0 | - | 4.49 | 22,593 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,835 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,277 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,412 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,152 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,940 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,052 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,478 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,360 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,572 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,519 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,302 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,605 |
| Official Cities in the UK | 0 | - | 4.89 | 280,587 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,726 |
| 1M Cities by Proximity - United States | 0 | - | 4.55 | 149,720 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,601 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,808 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,923 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,681 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,422 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,141 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,189 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,717 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,462 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,782 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,354 |
| Richest Island Countries | 0 | - | 4.84 | 99,525 |
| The Only American Country ... | 0 | - | 4.92 | 120,771 |
| US States Quiz | 0 | - | 5.00 | 16,703,372 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,293 |
| Capitals of the Stans | 0 | - | 4.95 | 26,413 |
| Most Populous Islands | 0 | - | 4.79 | 121,999 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,203 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,408 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,618 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,851 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,959 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,541 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,123 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,497 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,606 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,260 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,709 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,621 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,809 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,171 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,219 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,687 |
| Random U.S. City to State | 0 | - | 4.45 | 75,331 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,979 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,209 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,878 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,674 |
| Central American Countries | 0 | - | 4.98 | 155,070 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,669 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,971 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,095 |
| Mexico Country Quiz | 0 | - | 4.49 | 71,987 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 145,947 |
| Mexico Cities Map Quiz | 0 | - | 4.77 | 33,314 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,012 |
