| United States Map Quiz | 0 | - | 4.98 | 3,882,181 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.84 | 21,074 |
| U.S. State Border Crossings | 0 | - | 4.96 | 81,449 |
| U.S. Citizenship Test Questions | 0 | - | 4.86 | 220,602 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.82 | 32,487 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 64,658 |
| Cities and Towns of Massachusetts | 0 | - | 4.89 | 59,264 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.84 | 54,099 |
| Total United States Immigration by Country | 0 | - | 4.90 | 95,913 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.93 | 145,185 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.95 | 182,154 |
| U.S. Cabinet Departments | 0 | - | 4.85 | 67,279 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.97 | 338,320 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.40 | 55,345 |
| Pixelated United States Map | 0 | - | 4.91 | 81,318 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 92,035 |
| Countries that Visit the United States the Most | 0 | - | 4.95 | 77,619 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 99,435 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 95,119 |
| 10 Southernmost U.S. States | 0 | - | 4.84 | 98,206 |
| U.S. States with Short Names | 0 | - | 4.87 | 128,363 |
| U.S. States that Start with M | 0 | - | 4.91 | 149,199 |
| U.S. States By Population | 0 | - | 4.90 | 129,236 |
| U.S. States that Start with N | 0 | - | 4.95 | 154,362 |
| U.S. States with Longest Names | 0 | - | 4.84 | 35,510 |
| 10 Northernmost U.S. States | 0 | - | 4.87 | 69,651 |
| U.S. States with a Unique First Letter | 0 | - | 4.95 | 77,080 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 57,879 |
| The Only Remaining U.S. State . . . | 0 | - | 4.94 | 55,098 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 144,469 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 167,217 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.85 | 98,613 |
| The United States... or the United Kingdom? | 0 | - | 4.89 | 89,552 |
| Countries of North America Quiz | 0 | - | 5.00 | 869,755 |
| Countries that Beat the United States | 0 | - | 4.92 | 143,763 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.77 | 56,404 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.89 | 88,530 |
| U.S. States with the Most Immigrants | 0 | - | 4.86 | 72,727 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 573,394 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 847,579 |
| North American Capitals - Map Quiz | 0 | - | 4.91 | 46,447 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 46,187 |
| Canada Provinces and Territories | 0 | - | 4.99 | 286,876 |
| Territories of the United States | 0 | - | 4.76 | 48,239 |
| Most Mentioned Enemies of the USA | 0 | - | 4.79 | 158,521 |
| Major non-NATO U.S. Allies | 0 | - | 4.43 | 33,145 |
| Georgia ... or Georgia? | 0 | - | 4.79 | 71,423 |
| States of Mexico | 0 | - | 4.95 | 138,481 |
| Mexico States Map Quiz | 0 | - | 4.85 | 89,467 |
| Central American Countries | 0 | - | 4.98 | 137,957 |
| Caribbean Countries and Territories | 0 | - | 4.83 | 103,527 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 115,556 |
| California Multiple Choice | 0 | - | 4.40 | 26,746 |
| Geography of California | 0 | - | 4.23 | 9,614 |
| California Pro Sport Teams | 0 | - | 4.23 | 22,038 |
| San Francisco Trivia | 0 | - | 4.33 | 15,161 |
| San Francisco A-Z | 0 | - | 4.19 | 9,019 |
| Florida Pro Sport Teams | 0 | - | 4.63 | 9,812 |
| U.S. State Nicknames Quiz | 0 | - | 4.49 | 45,814 |
| U.S. National Parks Quiz | 0 | - | 4.79 | 46,272 |
| Countries with American Expatriates | 0 | - | 4.59 | 40,808 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 38,138 |
| United States Country Quiz | 0 | - | 4.45 | 88,005 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 71,994 |
| Countries Closest to Canada | 0 | - | 4.90 | 183,264 |
| American Legal Vocabulary | 0 | - | 4.43 | 31,982 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 198,059 |
| New York City Geography | 0 | - | 4.40 | 23,342 |
| New England States | 0 | - | 4.53 | 52,359 |
| US States by Land Area | 0 | - | 4.59 | 48,204 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.52 | 36,006 |
| Add a Letter - Make a U.S. State | 0 | - | 4.74 | 75,993 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 50,670 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.79 | 37,005 |
| Save Americans by Guessing U.S. States | 0 | - | 4.56 | 147,329 |
| 10 Easternmost U.S. States | 0 | - | 4.54 | 52,703 |
| The Only U.S. State ... #1 | 0 | - | 4.55 | 82,147 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.47 | 40,270 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.47 | 93,130 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.80 | 56,105 |
| Top 10 Most African-American U.S. States | 0 | - | 4.47 | 61,241 |
| Top 10 Newest U.S. States | 0 | - | 4.80 | 67,685 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 61,293 |
| Top 10 Most Obese U.S. States | 0 | - | 4.50 | 64,681 |
| Top 10 Least Obese U.S. States | 0 | - | 4.80 | 67,497 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.51 | 64,095 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.44 | 47,730 |
| Top 10 Most White U.S. States | 0 | - | 4.52 | 55,084 |
| Top 10 Most German U.S. States | 0 | - | 4.49 | 42,085 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.44 | 37,213 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.65 | 41,862 |
| Countries that Beat Canada | 0 | - | 4.91 | 77,484 |
| U.S. Federal Holidays | 0 | - | 4.29 | 95,383 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.46 | 13,697 |
| Countries Closest to Alaska | 0 | - | 4.92 | 98,177 |
| University of California Campuses | 0 | - | 3.85 | 8,038 |
| Florida Multiple Choice | 0 | - | 4.29 | 9,667 |
| Hawaiian Islands Map Quiz | 0 | - | 4.88 | 20,897 |
| Countries Closest to Maine | 0 | - | 4.84 | 58,337 |
| Boston Talk to English Translation Quiz | 0 | - | 4.45 | 14,043 |
| New York Pro Sport Teams | 0 | - | 4.29 | 14,924 |
| Texas Pro Sport Teams | 0 | - | 4.11 | 16,157 |
| History of Pennsylvania | 0 | - | 4.09 | 6,398 |
| History of Virginia | 0 | - | 4.33 | 10,903 |
| Washington State by Picture | 0 | - | 4.16 | 7,093 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.74 | 53,786 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.76 | 52,698 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.75 | 42,152 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.52 | 58,116 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.51 | 33,751 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.54 | 31,650 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 105,055 |
| South America Map Quiz | 0 | - | 5.00 | 1,410,725 |
| Belize Country Quiz | 0 | - | 4.88 | 18,567 |
| Saint Vincent and the Grenadines Country Quiz | 0 | - | 4.87 | 16,916 |
| Top U.S. Universities | 0 | - | 4.11 | 112,076 |
| Largest United States Airlines | 0 | - | 4.38 | 51,827 |
| Third Most Common Language by U.S. State | 0 | - | 4.90 | 106,054 |
| U.S. States by Governor Quiz | 0 | - | 4.42 | 16,887 |
| U.S. Political Parties in History | 0 | - | 4.42 | 26,047 |
| U.S. Government Agencies | 0 | - | 4.41 | 17,504 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 57,630 |
| Dominica Country Quiz | 0 | - | 4.82 | 17,588 |
| Cities by Picture #2 | 0 | - | 4.22 | 32,146 |
| American Geography Quiz for Dummies | 0 | - | 4.33 | 52,616 |
| The U.S. Government - How Does it Work? | 0 | - | 4.33 | 39,658 |
| California Groups of Things | 0 | - | 4.23 | 42,554 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.34 | 70,387 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.49 | 20,414 |
| Flyover States | 0 | - | 4.51 | 27,856 |
| U.S. States With Double Letters | 0 | - | 4.64 | 4,028 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.29 | 57,380 |
| U.S. States by Borders | 0 | - | 4.59 | 26,115 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.38 | 120,491 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.46 | 27,541 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.66 | 29,604 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.30 | 40,523 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.34 | 62,572 |
| US States with the Most Executions | 0 | - | 4.51 | 25,624 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.60 | 26,841 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.48 | 34,828 |
| Top 10 Least White U.S. States | 0 | - | 4.18 | 36,303 |
| Top 10 Least Happy U.S. States | 0 | - | 4.55 | 22,112 |
| Canada Immigration by Country | 0 | - | 4.52 | 56,782 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 306,460 |
| The Only American Country ... | 0 | - | 4.94 | 108,895 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 100,029 |
| North America Capitals Quiz | 0 | - | 4.99 | 184,169 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.12 | 25,976 |
| American Islands | 0 | - | 4.16 | 15,712 |
| American Foods | 0 | - | 3.69 | 38,103 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.23 | 5,676 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.19 | 13,580 |
| U.S. Groups of Four Quiz | 0 | - | 4.37 | 23,151 |
| U.S. Groups of Three Quiz | 0 | - | 4.03 | 19,414 |
| Old West History | 0 | - | 4.28 | 14,763 |
| Life of Benjamin Franklin | 0 | - | 4.18 | 6,208 |
| American Revolution - Multiple Choice | 0 | - | 4.31 | 18,712 |
| US States Quiz | 0 | - | 5.00 | 14,580,589 |
| U.S. States with the Lowest HDI | 0 | - | 4.46 | 27,375 |
| Which U.S. State - Multiple Choice | 0 | - | 4.45 | 18,863 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.35 | 40,033 |
| Top 10 U.S. States People are Leaving | 0 | - | 4.40 | 49,534 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.60 | 30,927 |
| Canada Country Quiz | 0 | - | 4.49 | 120,482 |
| Canada Cities Map Quiz | 0 | - | 4.65 | 108,795 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 80,384 |
| American Countries With No Atlantic Coastline | 0 | - | 4.90 | 72,630 |
| History of Mexico | 0 | - | 4.55 | 13,789 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 93,182 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.89 | 38,927 |
| Brazil States Map Quiz | 0 | - | 4.84 | 38,942 |
| States of Brazil | 0 | - | 4.96 | 67,325 |
| Fictional Characters from the Midwest by Picture | 0 | - | 4.04 | 18,327 |
| U.S. States by Picture #1 | 0 | - | 4.15 | 14,282 |
| Most-Visited U.S. Cities | 0 | - | 4.87 | 71,215 |
| Every U.S. Metro Area on a Map | 0 | - | 4.96 | 61,941 |
| Senators Who Ran For President | 0 | - | 4.28 | 16,254 |
| U.S. Electoral College Landslides | 0 | - | 4.33 | 20,933 |
| Chicago City Trivia | 0 | - | 4.26 | 30,328 |
| Boston Trivia | 0 | - | 4.37 | 23,377 |
| 10 Closest Megacities to New York City | 0 | - | 4.54 | 54,286 |
| Events in U.S. History | 0 | - | 4.39 | 25,907 |
| Embarrassing Chapters in US History | 0 | - | 4.15 | 31,339 |
| African-American Historical Figures | 0 | - | 4.14 | 16,327 |
| Capitals of Canadian Provinces | 0 | - | 4.86 | 73,014 |
| Most-Visited Countries by Canadians | 0 | - | 4.79 | 37,821 |
| Canadian Geography on the Map | 0 | - | 4.56 | 24,003 |
| Canada or Africa by Area | 0 | - | 4.79 | 13,162 |
| Top 10 American Countries by Coastline | 0 | - | 4.95 | 82,901 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.87 | 67,211 |
| Jamaica Country Quiz | 0 | - | 4.59 | 31,864 |
| 10 Longest Rivers in the United States | 0 | - | 4.82 | 34,679 |
| Most Guessed U.S. Cities | 0 | - | 4.90 | 90,396 |
| U.S. Cities by Picture #1 | 0 | - | 4.36 | 31,473 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.95 | 269,892 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 123,385 |
| Famous People from California by Picture | 0 | - | 4.30 | 31,309 |
| Musical Acts from Los Angeles Quiz | 0 | - | 4.24 | 12,662 |
| Movies Set in San Francisco | 0 | - | 4.18 | 19,504 |
