| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,361 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,758 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,342 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,274 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,746 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,269 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,688 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,590 |
| United States Map Quiz | 0 | - | 4.98 | 4,141,015 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,312 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,187 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,672 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,925 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,850 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,498 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,869 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,548 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,840 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,920 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,784 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,949 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,801 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,903 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,066 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,684 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 56,914 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,830 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 62,892 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,925 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,466 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,193 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,778 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,455 |
| North America Cities by Map | 0 | - | 4.41 | 47,604 |
| Central American Countries | 0 | - | 4.98 | 154,984 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,613 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,669 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 145,792 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,748 |
| Name the U.S. National Parks | 0 | - | 4.86 | 58,731 |
| States of Mexico | 0 | - | 4.95 | 173,246 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,447 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,462 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,993 |
| Countries with Megacities | 0 | - | 4.99 | 246,515 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,911 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,795 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,365 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,754 |
| Biggest Cities in the World | 0 | - | 4.92 | 789,939 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,700 |
| 1M Cities by Proximity - United States | 0 | - | 4.55 | 149,663 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,579 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,789 |
| Canada Country Quiz | 0 | - | 4.54 | 131,680 |
| Canada Cities Map Quiz | 0 | - | 4.63 | 123,584 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,270 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,407 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,809 |
| Pixelated United States Map | 0 | - | 4.89 | 93,433 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,677 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,313 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,364 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,598 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,864 |
| U.S. States By Population | 0 | - | 4.92 | 152,321 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,350 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,831 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,873 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,506 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,740 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,852 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 158,838 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,059 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,451 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,051 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,645 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.84 | 66,803 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,077 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,774 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,823 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,823 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,441 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,540 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,206 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,594 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,584 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,763 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,797 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 129,897 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,435 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,480 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,470 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,522 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,018 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,129 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,703 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,633 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,470 |
| Biggest Cities in the United States | 0 | - | 4.93 | 966,076 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,677 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,534 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,455 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,645 |
| Name a City - European Countries | 0 | - | 4.92 | 64,336 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,911 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,496 |
| Most-Visited Countries by Canadians | 0 | - | 4.77 | 39,111 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,496 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,050 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,914 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,502 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,899 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,650 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,516 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,142 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,648 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,080 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,112 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,260 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,854 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,357 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,535 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,351 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,794 |
| Largest City by Island | 0 | - | 4.87 | 71,005 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,354 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,491 |
| Biggest European Cities by Century | 0 | - | 4.98 | 142,205 |
| Megacities on a World Map | 0 | - | 4.98 | 250,816 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,011 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,765 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,824 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,627 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,100 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,397 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,236 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,218 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,562 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,528 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,764 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,160 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,310 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,745 |
| Cities in U.S. History #1 | 0 | - | 4.25 | 42,150 |
| Europe Capital to Country | 0 | - | 4.99 | 247,438 |
| Asia Capital to Country | 0 | - | 4.96 | 125,696 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,390 |
| European Capitals by Map | 0 | - | 4.99 | 136,132 |
| African Capitals by Map | 0 | - | 4.99 | 132,106 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 245,792 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,064 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,137 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,573 |
| European Coastal Capitals | 0 | - | 4.95 | 89,709 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,168 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,628 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,676 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,405 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,337 |
| Which City in Canada? | 0 | - | 4.82 | 56,640 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,501 |
| Canada or Africa by Area | 0 | - | 4.77 | 18,053 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 164,068 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,038 |
| Belize Country Quiz | 0 | - | 4.85 | 20,792 |
| South America Map Quiz | 0 | - | 5.00 | 1,540,852 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,102 |
| Flags of North and South America | 0 | - | 4.99 | 366,655 |
| Territories of the United States | 0 | - | 4.79 | 52,124 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,209 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.78 | 39,364 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,337 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,112 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 166,959 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,233 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,541 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 341,862 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,458 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,268 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,550 |
| Official Cities in the UK | 0 | - | 4.89 | 280,394 |
| Westernmost Cities in the U.S. | 0 | - | 4.36 | 16,399 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,614 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,372 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,071 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,135 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,679 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,412 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,740 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,304 |
| The Only American Country ... | 0 | - | 4.92 | 120,714 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,274 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,026 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,466 |
| Most Populous Islands | 0 | - | 4.78 | 121,952 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,196 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,399 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,601 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,716 |
