| United States Map Quiz | 0 | - | 4.98 | 4,144,475 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 900,200 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,047 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,509 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,986 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,192 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,585 |
| States of Mexico | 0 | - | 4.95 | 173,840 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,981 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,147 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,509 |
| States of Brazil | 0 | - | 4.98 | 86,681 |
| Central American Countries | 0 | - | 4.98 | 155,232 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 146,275 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,326 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,793 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,406 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,431 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,580 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.84 | 65,741 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,566 |
| Pixelated United States Map | 0 | - | 4.89 | 93,629 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,677 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,994 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,921 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,536 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,590 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,882 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,135 |
| U.S. States By Population | 0 | - | 4.92 | 152,519 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,581 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,981 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,988 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,715 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,831 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 65,006 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,217 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,170 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,598 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,138 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,746 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.84 | 66,937 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,435 |
| South America Map Quiz | 0 | - | 5.00 | 1,542,408 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,014,057 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,800 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,192 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,029 |
| Canada Provinces and Territories | 0 | - | 5.00 | 338,711 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 636,743 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,945 |
| Belize Country Quiz | 0 | - | 4.85 | 20,837 |
| Saint Vincent and the Grenadines Country Quiz | 0 | - | 4.88 | 19,080 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,147 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,185 |
| Territories of the United States | 0 | - | 4.79 | 52,194 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.78 | 39,427 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,730 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 51,831 |
| New York City Geography | 0 | - | 4.42 | 32,969 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,296 |
| Dominica Country Quiz | 0 | - | 4.81 | 19,701 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,412 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,405 |
| U.S. State Nicknames Quiz | 0 | - | 4.47 | 50,334 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,493 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,099 |
| United States Country Quiz | 0 | - | 4.43 | 100,770 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,661 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,509 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,707 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,168 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,336 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 208,105 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 68,803 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 59,653 |
| New England States | 0 | - | 4.51 | 59,721 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,536 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,902 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,418 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.69 | 55,709 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,702 |
| U.S. States by Borders | 0 | - | 4.63 | 35,121 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 183,138 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,275 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,196 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,033 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,366 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.70 | 32,827 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,455 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 74,935 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,233 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,459 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 90,391 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,440 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,195 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 81,976 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,661 |
| Countries that Beat Canada | 0 | - | 4.90 | 86,967 |
| History of Mexico | 0 | - | 4.58 | 15,244 |
| Jamaica Country Quiz | 0 | - | 4.58 | 34,900 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,406 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,136 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,659 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,313 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,055 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.67 | 44,987 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,791 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,042 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,410 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,682 |
| Flags of North and South America | 0 | - | 4.99 | 368,525 |
| South American Physical Geography | 0 | - | 4.58 | 18,286 |
| Top U.S. Universities | 0 | - | 4.15 | 144,247 |
| Largest United States Airlines | 0 | - | 4.39 | 54,871 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,432 |
| U.S. States by Governor | 0 | - | 4.43 | 17,995 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,592 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,568 |
| Florida Pro Sport Teams | 0 | - | 4.61 | 11,768 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,021 |
| Georgia ... or Georgia? | 0 | - | 4.69 | 76,492 |
| South America Capitals Quiz | 0 | - | 5.00 | 478,006 |
| Guyana Country Quiz | 0 | - | 4.49 | 22,639 |
| Venezuela Country Quiz | 0 | - | 4.50 | 30,446 |
| Paraguay Country Quiz | 0 | - | 4.53 | 25,138 |
| Bolivia Country Quiz | 0 | - | 4.63 | 26,100 |
| Suriname Country Quiz | 0 | - | 4.60 | 19,697 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,809 |
| U.S. Cities by Picture #1 | 0 | - | 4.37 | 34,384 |
| Cities by Picture #2 | 0 | - | 4.19 | 34,972 |
| The U.S. Government - How Does it Work? | 0 | - | 4.34 | 42,204 |
| Boston Talk to English Translation Quiz | 0 | - | 4.59 | 55,750 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,659 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 74,646 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,473 |
| Flyover States | 0 | - | 4.52 | 29,420 |
| U.S. States With Double Letters | 0 | - | 4.54 | 23,958 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.27 | 75,877 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.39 | 128,062 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.44 | 29,602 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,408 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,194 |
| US States with the Most Executions | 0 | - | 4.51 | 26,356 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 28,948 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.50 | 46,356 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 47,682 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.40 | 40,088 |
| Top 10 Least Happy U.S. States | 0 | - | 4.54 | 24,047 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,295 |
| The Only American Country ... | 0 | - | 4.92 | 120,901 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,455 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,757 |
| South American Cities on the Map | 0 | - | 4.57 | 35,269 |
| El Salvador Country Quiz | 0 | - | 4.62 | 31,524 |
| Guatemala Country Quiz | 0 | - | 4.63 | 25,256 |
| Honduras Country Quiz | 0 | - | 4.52 | 23,731 |
| Nicaragua Country Quiz | 0 | - | 4.62 | 26,405 |
| Antigua and Barbuda Country Quiz | 0 | - | 4.66 | 21,950 |
| Barbados Country Quiz | 0 | - | 4.78 | 19,666 |
| North America Capitals Quiz | 0 | - | 4.99 | 217,453 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,054 |
| Which Island in the United States? | 0 | - | 4.29 | 29,224 |
| American Foods | 0 | - | 3.66 | 39,298 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,115 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.94 | 32,040 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.26 | 14,675 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,225 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,818 |
| Old West History | 0 | - | 4.33 | 15,233 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,498 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,865 |
| US States Quiz | 0 | - | 5.00 | 16,732,211 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,507 |
| U.S. States with the Lowest HDI | 0 | - | 4.46 | 28,786 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,221 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 41,591 |
| Canada Country Quiz | 0 | - | 4.55 | 131,876 |
| Canada Cities Map Quiz | 0 | - | 4.63 | 123,726 |
| Canada A-Z | 0 | - | 4.73 | 32,680 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,197 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,000 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,224 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,491 |
| Argentina Country Quiz | 0 | - | 4.53 | 57,179 |
| Brazil Country Quiz | 0 | - | 4.52 | 101,240 |
| Brazil Cities Map Quiz | 0 | - | 4.62 | 36,411 |
| Chile Country Quiz | 0 | - | 4.75 | 39,801 |
| Ecuador Country Quiz | 0 | - | 4.60 | 31,666 |
| Peru Country Quiz | 0 | - | 4.54 | 48,387 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,611 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 23,950 |
| Grenada Country Quiz | 0 | - | 4.62 | 18,815 |
| Saint Kitts and Nevis Country Quiz | 0 | - | 4.57 | 18,650 |
| Trinidad and Tobago Country Quiz | 0 | - | 4.61 | 22,040 |
| Fictional Characters from the Midwest by Picture | 0 | - | 4.04 | 19,163 |
| U.S. States by Picture #1 | 0 | - | 4.21 | 15,372 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 328,789 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,632 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,964 |
