| South America Capitals Quiz | 0 | - | 5.00 | 477,391 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,398 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,484 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,346 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,154 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,430 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,523 |
| Largest City by Island | 0 | - | 4.87 | 71,065 |
| South American Cities on the Map | 0 | - | 4.57 | 35,249 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,082 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,289 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,613 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 231,014 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,039 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,884 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,018 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,833 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,663 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,046 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,215 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,419 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,777 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,414 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,837 |
| States of Brazil | 0 | - | 4.98 | 86,423 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,006 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,435,363 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,727 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,345 |
| Countries with Megacities | 0 | - | 4.99 | 247,107 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,213 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,040 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,725 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,630 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,951 |
| Biggest Cities in the World | 0 | - | 4.92 | 790,619 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,309 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,471 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,752 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,807 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,531 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,549 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,677,907 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,990 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,101 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,554 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,894 |
| Brazil Country Quiz | 0 | - | 4.52 | 101,113 |
| Argentina Country Quiz | 0 | - | 4.53 | 57,099 |
| Peru Country Quiz | 0 | - | 4.54 | 48,313 |
| Chile Country Quiz | 0 | - | 4.75 | 39,739 |
| Brazil Cities Map Quiz | 0 | - | 4.62 | 36,371 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,131 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,863 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,974 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,912 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,797 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,507 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,633 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,304 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,674 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,722 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 222,003 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,895 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 130,101 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,509 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,544 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,717 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,608 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,070 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,189 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,765 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 66,703 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,554 |
| Biggest Cities in the United States | 0 | - | 4.93 | 966,946 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,858 |
| Name a City - European Countries | 0 | - | 4.92 | 64,434 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,443 |
| Asia Capitals Quiz | 0 | - | 4.98 | 686,081 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,394 |
| Which South American Country? | 0 | - | 4.69 | 51,726 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,274 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,164 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,369 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,979 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,431 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,621 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,319 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,527 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,875 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,400 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,568 |
| Biggest European Cities by Century | 0 | - | 4.98 | 143,833 |
| Megacities on a World Map | 0 | - | 4.98 | 251,034 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,369 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,812 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,889 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,809 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,180 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,509 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,326 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,309 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,636 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,589 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,837 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,242 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,383 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,867 |
| Europe Capital to Country | 0 | - | 4.99 | 247,974 |
| Asia Capital to Country | 0 | - | 4.96 | 125,783 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,508 |
| European Capitals by Map | 0 | - | 4.99 | 136,360 |
| African Capitals by Map | 0 | - | 4.99 | 132,203 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,159 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,220 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,650 |
| European Coastal Capitals | 0 | - | 4.95 | 89,796 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,199 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,889 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,895 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,432 |
| African Island Countries | 0 | - | 4.96 | 100,813 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,146 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,149 |
| Islands by Country #1 | 0 | - | 4.87 | 174,508 |
| Belize Country Quiz | 0 | - | 4.85 | 20,809 |
| South America Map Quiz | 0 | - | 5.00 | 1,541,385 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,265 |
| Flags of North and South America | 0 | - | 4.99 | 367,473 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,661 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,094 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,126 |
| Countries that Beat Brazil | 0 | - | 4.49 | 67,902 |
| Venezuela Country Quiz | 0 | - | 4.50 | 30,401 |
| Paraguay Country Quiz | 0 | - | 4.53 | 25,089 |
| Bolivia Country Quiz | 0 | - | 4.63 | 26,045 |
| Ecuador Country Quiz | 0 | - | 4.60 | 31,611 |
| Suriname Country Quiz | 0 | - | 4.60 | 19,672 |
| Guyana Country Quiz | 0 | - | 4.49 | 22,597 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,879 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,279 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,434 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,160 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,952 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,066 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,486 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,381 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,577 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,531 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,308 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,620 |
| Official Cities in the UK | 0 | - | 4.89 | 280,640 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,727 |
| 1M Cities by Proximity - United States | 0 | - | 4.55 | 149,729 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,602 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,812 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,954 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,685 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,433 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,151 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,198 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,727 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,477 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,788 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,362 |
| Richest Island Countries | 0 | - | 4.84 | 99,542 |
| The Only American Country ... | 0 | - | 4.92 | 120,780 |
| US States Quiz | 0 | - | 5.00 | 16,705,814 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,321 |
| Capitals of the Stans | 0 | - | 4.95 | 26,420 |
| Most Populous Islands | 0 | - | 4.79 | 122,003 |
| 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 | 49,622 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,860 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,971 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,543 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,125 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,523 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,624 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,268 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,710 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,626 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,823 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,172 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,242 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,693 |
| Random U.S. City to State | 0 | - | 4.45 | 75,349 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 145,016 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,219 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,928 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,687 |
| Central American Countries | 0 | - | 4.98 | 155,081 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,676 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,011 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,105 |
| Mexico Country Quiz | 0 | - | 4.49 | 71,993 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 145,984 |
| Mexico Cities Map Quiz | 0 | - | 4.77 | 33,315 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,037 |
