| South America Capitals Quiz | 0 | - | 5.00 | 477,191 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,377 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,430 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,309 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,016 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,380 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,363 |
| Largest City by Island | 0 | - | 4.87 | 71,027 |
| South American Cities on the Map | 0 | - | 4.57 | 35,239 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,060 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,277 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,596 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,903 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,969 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,825 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,972 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,819 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,595 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,941 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,687 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,336 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,721 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,387 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,776 |
| States of Brazil | 0 | - | 4.98 | 86,366 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 52,948 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,810 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,562 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,098 |
| Countries with Megacities | 0 | - | 4.99 | 246,734 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,028 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,897 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,720 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,451 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,805 |
| Biggest Cities in the World | 0 | - | 4.92 | 790,192 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,245 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,435 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,711 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,756 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,473 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,519 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,677,406 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,915 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,061 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,523 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,878 |
| Brazil Country Quiz | 0 | - | 4.52 | 101,075 |
| Argentina Country Quiz | 0 | - | 4.53 | 57,078 |
| Peru Country Quiz | 0 | - | 4.54 | 48,298 |
| Chile Country Quiz | 0 | - | 4.75 | 39,718 |
| Brazil Cities Map Quiz | 0 | - | 4.62 | 36,365 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,102 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,811 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,880 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,861 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,785 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,463 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,575 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,242 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,627 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,635 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,861 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,831 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 129,986 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,473 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,502 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,551 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,562 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,043 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,149 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,732 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,664 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,503 |
| Biggest Cities in the United States | 0 | - | 4.93 | 966,428 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,734 |
| Name a City - European Countries | 0 | - | 4.92 | 64,373 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,112 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,784 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,335 |
| Which South American Country? | 0 | - | 4.69 | 51,721 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,197 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,132 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,306 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,897 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,380 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,566 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,285 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,413 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,831 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,381 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,524 |
| Biggest European Cities by Century | 0 | - | 4.98 | 143,063 |
| Megacities on a World Map | 0 | - | 4.98 | 250,904 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,157 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,786 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,853 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,700 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,134 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,447 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,272 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,253 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,597 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,553 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,794 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,204 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,333 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,789 |
| Europe Capital to Country | 0 | - | 4.99 | 247,672 |
| Asia Capital to Country | 0 | - | 4.96 | 125,740 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,432 |
| European Capitals by Map | 0 | - | 4.99 | 136,224 |
| African Capitals by Map | 0 | - | 4.99 | 132,139 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,117 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,166 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,593 |
| European Coastal Capitals | 0 | - | 4.95 | 89,731 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,176 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,755 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,758 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,415 |
| African Island Countries | 0 | - | 4.96 | 100,775 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 164,095 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,074 |
| Islands by Country #1 | 0 | - | 4.87 | 174,470 |
| Belize Country Quiz | 0 | - | 4.85 | 20,802 |
| South America Map Quiz | 0 | - | 5.00 | 1,541,087 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,207 |
| Flags of North and South America | 0 | - | 4.99 | 367,032 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,652 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,084 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 341,986 |
| Countries that Beat Brazil | 0 | - | 4.49 | 67,870 |
| Venezuela Country Quiz | 0 | - | 4.50 | 30,387 |
| Paraguay Country Quiz | 0 | - | 4.53 | 25,076 |
| Bolivia Country Quiz | 0 | - | 4.63 | 26,026 |
| Ecuador Country Quiz | 0 | - | 4.60 | 31,603 |
| Suriname Country Quiz | 0 | - | 4.60 | 19,666 |
| Guyana Country Quiz | 0 | - | 4.49 | 22,587 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,753 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,273 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,372 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,132 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,923 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,005 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,470 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,295 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,560 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,484 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,285 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,581 |
| Official Cities in the UK | 0 | - | 4.89 | 280,477 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,714 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 149,685 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,591 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,793 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,817 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,655 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,401 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,094 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,166 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,696 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,433 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,760 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,324 |
| Richest Island Countries | 0 | - | 4.84 | 99,501 |
| The Only American Country ... | 0 | - | 4.92 | 120,741 |
| US States Quiz | 0 | - | 5.00 | 16,697,642 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,234 |
| Capitals of the Stans | 0 | - | 4.95 | 26,402 |
| Most Populous Islands | 0 | - | 4.79 | 121,971 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,200 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,401 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,606 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,842 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,946 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,529 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,111 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,439 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,555 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,224 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,695 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,608 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,776 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.43 | 40,163 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,184 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,662 |
| Random U.S. City to State | 0 | - | 4.45 | 75,310 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,908 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,183 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,818 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,661 |
| Central American Countries | 0 | - | 4.98 | 155,021 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,647 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,856 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,070 |
| Mexico Country Quiz | 0 | - | 4.49 | 71,968 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 145,847 |
| Mexico Cities Map Quiz | 0 | - | 4.77 | 33,313 |
| Name the U.S. National Parks | 0 | - | 4.86 | 58,871 |
