| South America Capitals Quiz | 0 | - | 5.00 | 484,994 |
| South America Map Quiz | 0 | - | 5.00 | 1,556,743 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,574 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,093 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,643 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 178,133 |
| South American Cities on the Map | 0 | - | 4.52 | 35,551 |
| Latin American Countries Map Quiz | 0 | - | 4.98 | 130,669 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,984 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,459 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,070 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,722 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,877 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,851 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,013 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,242 |
| Central America and Caribbean Map Quiz | 0 | - | 4.90 | 905,035 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,411 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,438 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,993 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,923 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,672 |
| Central American Countries | 0 | - | 4.98 | 157,344 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,600 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 150,616 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,655 |
| States of Brazil | 0 | - | 4.97 | 89,715 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,824 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 105,496 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,454,194 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,513 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,168 |
| Countries with Megacities | 0 | - | 4.99 | 267,139 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,863 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,137 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,173 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,246 |
| Biggest Cities in the World | 0 | - | 4.91 | 805,607 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,447 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,328 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,047 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,666 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,905 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 94,220 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,616 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,937 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,960 |
| Biggest Cities by Latitude Range | 0 | - | 4.81 | 32,776 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,417 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,467 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 150,000 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,793 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,252 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 420,636 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,965 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,621 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,728 |
| Ten Southernmost Megacities | 0 | - | 4.88 | 65,214 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,401 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,388 |
| Biggest Cities in the United States | 0 | - | 4.94 | 987,102 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 368,051 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 107,012 |
| Name a City - European Countries | 0 | - | 4.90 | 66,180 |
| Africa Capitals Quiz | 0 | - | 4.99 | 743,898 |
| Asia Capitals Quiz | 0 | - | 4.98 | 698,883 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,691 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,324 |
| United States Map Quiz | 0 | - | 4.98 | 4,171,365 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,339 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,409 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 71,030 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,387 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,913 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,361 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,683 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,758 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,896 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,200 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,601 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,673 |
| Largest City by Island | 0 | - | 4.87 | 72,453 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,425 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,699 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,144 |
| Megacities on a World Map | 0 | - | 4.98 | 256,952 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 581,991 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,770 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,672 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,439 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,667 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,820 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,897 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,529 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,200 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,517 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,860 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,775 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,701 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,478 |
| North America Cities by Map | 0 | - | 4.41 | 47,944 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,077 |
| Europe Capital to Country | 0 | - | 4.99 | 252,094 |
| Asia Capital to Country | 0 | - | 4.96 | 127,397 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,982 |
| European Capitals by Map | 0 | - | 4.99 | 142,106 |
| African Capitals by Map | 0 | - | 4.99 | 142,193 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,912 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,879 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,194 |
| European Coastal Capitals | 0 | - | 4.95 | 91,316 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,192 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,761 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,807 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,167 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,666 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,933 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,031,571 |
| Belize Country Quiz | 0 | - | 4.85 | 21,088 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 644,622 |
| Flags of North and South America | 0 | - | 4.99 | 377,022 |
| Canada Provinces and Territories | 0 | - | 5.00 | 346,251 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,496 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 159,987 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,567 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,994 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,159 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,424 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 348,740 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,219 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,515 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,248 |
| Official Cities in the UK | 0 | - | 4.89 | 286,275 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,240 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,590 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,124 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,401 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,587 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,961 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,715 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,674 |
| The Only American Country ... | 0 | - | 4.92 | 122,217 |
| Venezuela Country Quiz | 0 | - | 4.51 | 30,744 |
| Paraguay Country Quiz | 0 | - | 4.54 | 25,412 |
| Bolivia Country Quiz | 0 | - | 4.63 | 26,396 |
| Suriname Country Quiz | 0 | - | 4.61 | 19,936 |
| Guyana Country Quiz | 0 | - | 4.50 | 22,927 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,829 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,947 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 65,049 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,891 |
| Most Populous Islands | 0 | - | 4.80 | 123,334 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,384 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,650 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,982 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,944 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,493 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.86 | 23,805 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,604 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,835 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,211 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,311 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 27,088 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,673 |
| Capitals of the Stans | 0 | - | 4.95 | 27,143 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,797 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,317 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,981 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,784 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,733 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,476 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,940 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,640 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,933 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 139,010 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 151,227 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,627 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,563 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,415 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 246,493 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,840 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,485 |
| States of Mexico | 0 | - | 4.96 | 178,277 |
| American Countries With No Atlantic Coastline | 0 | - | 4.93 | 92,814 |
| Boundary Waters | 0 | - | 4.92 | 88,766 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,412 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,704 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,350 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,969 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 116,134 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 60,110 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,653 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,157 |
| Biggest City by Region | 0 | - | 4.50 | 36,392 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,338 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 160,069 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 48,039 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 119,327 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,307 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,442 |
