| South America Capitals Quiz | 0 | - | 5.00 | 477,234 |
| South America Map Quiz | 0 | - | 5.00 | 1,541,183 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,382 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,060 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,394 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,424 |
| South American Cities on the Map | 0 | - | 4.57 | 35,242 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,221 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,606 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,949 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,991 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,846 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,984 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,828 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,974 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,854 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,779 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,597 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,842 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,364 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,744 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,397 |
| Central American Countries | 0 | - | 4.98 | 155,045 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 145,889 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,786 |
| States of Brazil | 0 | - | 4.98 | 86,380 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 52,959 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,155 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,964 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,601 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,164 |
| Countries with Megacities | 0 | - | 4.99 | 246,830 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,085 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,948 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,501 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,837 |
| Biggest Cities in the World | 0 | - | 4.92 | 790,322 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,111 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,833 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,908 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,875 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,476 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,593 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,258 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,641 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,667 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,905 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,849 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 130,024 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,485 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,514 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,596 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,576 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,052 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,157 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,740 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,678 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,524 |
| Biggest Cities in the United States | 0 | - | 4.93 | 966,597 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,769 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,943 |
| Name a City - European Countries | 0 | - | 4.92 | 64,386 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,191 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,871 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,538 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,881 |
| United States Map Quiz | 0 | - | 4.98 | 4,141,773 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,793 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,218 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,653 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,086 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,138 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,328 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,921 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,398 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,587 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,298 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,451 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,849 |
| Largest City by Island | 0 | - | 4.87 | 71,040 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,392 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,545 |
| Biggest European Cities by Century | 0 | - | 4.98 | 143,412 |
| Megacities on a World Map | 0 | - | 4.98 | 250,936 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,215 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,795 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,864 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,732 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,146 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,464 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,287 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,263 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,606 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,560 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,808 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,213 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,460 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,351 |
| North America Cities by Map | 0 | - | 4.41 | 47,615 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,808 |
| Europe Capital to Country | 0 | - | 4.99 | 247,811 |
| Asia Capital to Country | 0 | - | 4.96 | 125,752 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,448 |
| European Capitals by Map | 0 | - | 4.99 | 136,258 |
| African Capitals by Map | 0 | - | 4.99 | 132,167 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,124 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,182 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,604 |
| European Coastal Capitals | 0 | - | 4.95 | 89,750 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,182 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,785 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,789 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,422 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 164,108 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,091 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,609 |
| Belize Country Quiz | 0 | - | 4.85 | 20,805 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,938 |
| Flags of North and South America | 0 | - | 4.99 | 367,172 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,890 |
| 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 | 158,393 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,139 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,033 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,317 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,562 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,022 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,504 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,292 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,589 |
| Official Cities in the UK | 0 | - | 4.89 | 280,521 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,667 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,407 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,119 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,174 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,702 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,447 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,763 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,336 |
| The Only American Country ... | 0 | - | 4.92 | 120,757 |
| Venezuela Country Quiz | 0 | - | 4.50 | 30,391 |
| Paraguay Country Quiz | 0 | - | 4.53 | 25,080 |
| Bolivia Country Quiz | 0 | - | 4.63 | 26,029 |
| Suriname Country Quiz | 0 | - | 4.60 | 19,667 |
| Guyana Country Quiz | 0 | - | 4.49 | 22,592 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 56,953 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,865 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 62,971 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,954 |
| Most Populous Islands | 0 | - | 4.79 | 121,985 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,201 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,404 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,608 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,722 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,844 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,930 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,717 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 149,699 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,596 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,805 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,325 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,254 |
| Capitals of the Stans | 0 | - | 4.95 | 26,403 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,949 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,534 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,115 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,464 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,580 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,788 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,546 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,460 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,196 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,671 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,929 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,834 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,664 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,657 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,900 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,084 |
| Name the U.S. National Parks | 0 | - | 4.86 | 58,934 |
| States of Mexico | 0 | - | 4.95 | 173,333 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 91,905 |
| Boundary Waters | 0 | - | 4.92 | 88,037 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,813 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,276 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,285 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,831 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 99,452 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,911 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,905 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,702 |
| Biggest City by Region | 0 | - | 4.50 | 35,994 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,899 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,269 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,445 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,287 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,017 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,221 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,920 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,729 |
