| Most Common U.S. Last Names - Extreme | 0 | - | 4.93 | 144,825 |
| Countries that Beat the United States | 0 | - | 4.92 | 143,327 |
| US States Quiz | 0 | - | 5.00 | 14,541,081 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.83 | 53,926 |
| Total United States Immigration by Country | 0 | - | 4.89 | 95,730 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.95 | 181,510 |
| U.S. Cabinet Departments | 0 | - | 4.85 | 67,166 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 337,771 |
| Pixelated United States Map | 0 | - | 4.91 | 81,124 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 91,747 |
| Countries that Visit the United States the Most | 0 | - | 4.95 | 77,358 |
| Deadliest U.S. Wars | 0 | - | 4.82 | 156,660 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 99,201 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 94,861 |
| 10 Southernmost U.S. States | 0 | - | 4.84 | 97,909 |
| U.S. States with Short Names | 0 | - | 4.87 | 128,039 |
| U.S. States that Start with M | 0 | - | 4.91 | 148,907 |
| U.S. States By Population | 0 | - | 4.90 | 129,048 |
| U.S. States that Start with N | 0 | - | 4.95 | 154,075 |
| U.S. States with Longest Names | 0 | - | 4.84 | 35,373 |
| U.S. States with a Unique First Letter | 0 | - | 4.95 | 76,877 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 57,767 |
| The Only Remaining U.S. State . . . | 0 | - | 4.95 | 51,857 |
| US States with an Empty Map | 0 | - | 5.00 | 547,616 |
| U.S. State Nicknames Quiz | 0 | - | 4.49 | 45,733 |
| 10 Longest Rivers in the United States | 0 | - | 4.82 | 34,594 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.95 | 268,706 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 123,106 |
| Louisiana Purchase with a Map | 0 | - | 4.94 | 35,334 |
| U.S. States with the Longest International Borders | 0 | - | 4.81 | 39,733 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.89 | 88,218 |
| U.S. States with the Most Immigrants | 0 | - | 4.86 | 72,537 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 70,151 |
| U.S. States or European Countries by Population | 0 | - | 4.98 | 114,691 |
| Hawaiian Islands Map Quiz | 0 | - | 4.88 | 20,851 |
| Name a Valid U.S. State #1 | 0 | - | 4.95 | 182,199 |
| Top 10 Coldest U.S. States | 0 | - | 4.91 | 99,192 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 99,708 |
| Top 10 Most Native American U.S. States | 0 | - | 4.84 | 70,147 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 56,848 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 99,846 |
| Florida Pro Sport Teams | 0 | - | 4.86 | 6,012 |
| States of Mexico | 0 | - | 4.94 | 137,921 |
| Mexico States Map Quiz | 0 | - | 4.84 | 89,244 |
| Asian Last Names in the United States | 0 | - | 4.40 | 42,942 |
| U.S. National Parks Quiz | 0 | - | 4.79 | 46,122 |
| Countries with American Expatriates | 0 | - | 4.59 | 40,783 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 38,103 |
| United States Country Quiz | 0 | - | 4.45 | 87,711 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 71,898 |
| California Groups of Things | 0 | - | 4.23 | 42,493 |
| New York Groups of Things | 0 | - | 4.39 | 56,906 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.77 | 56,249 |
| U.S. History Groups of Two | 0 | - | 4.27 | 35,081 |
| Countries Closest to Canada | 0 | - | 4.90 | 183,059 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.18 | 696,199 |
| American Legal Vocabulary | 0 | - | 4.43 | 31,943 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 197,938 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 75,570 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 54,246 |
| New England States | 0 | - | 4.53 | 52,333 |
| US States by Land Area | 0 | - | 4.59 | 48,142 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.52 | 35,955 |
| Add a Letter - Make a U.S. State | 0 | - | 4.76 | 75,871 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 50,583 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.76 | 36,926 |
| 10 Easternmost U.S. States | 0 | - | 4.54 | 52,625 |
| The Only U.S. State ... #1 | 0 | - | 4.55 | 82,041 |
| Movies by State Quiz | 0 | - | 4.23 | 39,279 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.47 | 40,213 |
| United States Map Quiz | 0 | - | 4.98 | 3,877,536 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 48,922 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.66 | 59,250 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.74 | 53,733 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.76 | 52,644 |
| Longest U.S. State Borders | 0 | - | 4.62 | 33,697 |
| Most Valuable Crops by U.S. State | 0 | - | 4.38 | 36,525 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.52 | 58,064 |
| U.S. States with the Fewest Borders | 0 | - | 4.76 | 104,586 |
| U.S. States with the Most Borders | 0 | - | 4.57 | 60,924 |
| Belize Country Quiz | 0 | - | 4.88 | 18,523 |
| Top U.S. Universities | 0 | - | 4.11 | 111,691 |
| Largest United States Airlines | 0 | - | 4.38 | 51,787 |
| Third Most Common Language by U.S. State | 0 | - | 4.90 | 105,966 |
| U.S. States by Governor Quiz | 0 | - | 4.42 | 16,874 |
| U.S. Political Parties in History | 0 | - | 4.42 | 26,020 |
| U.S. Government Agencies | 0 | - | 4.41 | 17,480 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,168,851 |
| Foods in a Full English Breakfast | 0 | - | 4.43 | 72,628 |
| Georgia ... or Georgia? | 0 | - | 4.79 | 71,325 |
| Cities by Picture #2 | 0 | - | 4.22 | 32,100 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.50 | 33,706 |
| Biggest Trading Partners - US | 0 | - | 4.57 | 91,553 |
| The U.S. Government - How Does it Work? | 0 | - | 4.33 | 39,622 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.40 | 55,265 |
| People on Money - United States | 0 | - | 4.31 | 61,589 |
| 100 Most Influential Figures in U.S. History | 0 | - | 4.19 | 40,955 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.34 | 70,299 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.49 | 20,397 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.44 | 47,549 |
| Flyover States | 0 | - | 4.51 | 27,830 |
| U.S. States With Double Letters | 0 | - | 4.67 | 3,899 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.29 | 57,266 |
| U.S. States by Borders | 0 | - | 4.59 | 26,048 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 37,238 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.47 | 35,195 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 68,206 |
| Name a Valid U.S. State #3 | 0 | - | 4.79 | 43,480 |
| U.S. State Superlatives #1 | 0 | - | 4.45 | 74,954 |
| U.S. State Superlatives #2 | 0 | - | 4.51 | 37,041 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.38 | 120,388 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.54 | 60,215 |
| Top 10 Richest U.S. States by Median Income | 0 | - | 4.46 | 102,427 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.48 | 34,794 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.79 | 57,919 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.44 | 39,180 |
| Famous Italian-Americans | 0 | - | 4.13 | 7,235 |
| Asian Countries with the Shortest Names | 0 | - | 4.98 | 120,394 |
| Africa Geography Quiz #1 | 0 | - | 4.91 | 45,854 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 305,748 |
| The Only American Country ... | 0 | - | 4.94 | 108,736 |
| U.S. State Border Crossings | 0 | - | 4.96 | 81,346 |
| U.S. Citizenship Test Questions | 0 | - | 4.86 | 220,288 |
| American Foods | 0 | - | 3.69 | 38,082 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.82 | 32,299 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 64,517 |
| Cities and Towns of Massachusetts | 0 | - | 4.89 | 59,029 |
| Who Did that Motown Song | 0 | - | 4.45 | 12,626 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.58 | 19,703 |
| U.S. States with the Lowest HDI | 0 | - | 4.46 | 27,353 |
| Which U.S. State - Multiple Choice | 0 | - | 4.45 | 18,834 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.54 | 31,620 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.60 | 30,811 |
| Canada Country Quiz | 0 | - | 4.49 | 120,256 |
| Canada Cities Map Quiz | 0 | - | 4.65 | 108,675 |
| Countries with the Most McDonald's Locations | 0 | - | 4.81 | 79,002 |
| Biggest Countries with No McDonald's | 0 | - | 4.83 | 66,789 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.90 | 91,411 |
| Name a Valid Asian Country | 0 | - | 4.98 | 91,477 |
| Name a Valid African Country | 0 | - | 4.98 | 122,420 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 80,226 |
| Hispanic Last Names in the U.S. | 0 | - | 4.29 | 52,414 |
| Mexico Country Quiz | 0 | - | 4.48 | 65,827 |
| Mexican Foods | 0 | - | 4.08 | 13,425 |
| South American Geography Quiz #2 | 0 | - | 4.70 | 36,805 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.89 | 38,533 |
| Brazil States Map Quiz | 0 | - | 4.83 | 38,830 |
| States of Brazil | 0 | - | 4.96 | 67,022 |
| Fictional Characters from the Midwest by Picture | 0 | - | 4.04 | 18,306 |
| U.S. States by Picture #1 | 0 | - | 4.15 | 14,256 |
| Random U.S. City to State | 0 | - | 4.43 | 64,948 |
| Most-Visited U.S. Cities | 0 | - | 4.87 | 70,883 |
| Every U.S. Metro Area on a Map | 0 | - | 4.96 | 61,733 |
| Senators Who Ran For President | 0 | - | 4.28 | 16,236 |
| U.S. Electoral College Landslides | 0 | - | 4.32 | 20,910 |
| Geography of California | 0 | - | 4.23 | 9,607 |
| California Pro Sport Teams | 0 | - | 4.22 | 21,978 |
| Chicago City Trivia | 0 | - | 4.26 | 30,313 |
| New York Pro Sport Teams | 0 | - | 4.29 | 14,875 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.84 | 20,944 |
| Texas Pro Sport Teams | 0 | - | 4.11 | 16,117 |
| History of Pennsylvania | 0 | - | 4.09 | 6,384 |
| History of Virginia | 0 | - | 4.33 | 10,885 |
| Washington State by Picture | 0 | - | 4.16 | 7,083 |
| Events in U.S. History | 0 | - | 4.39 | 25,856 |
| Events by U.S. State #1 | 0 | - | 4.41 | 21,636 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 31,393 |
| 10 U.S. States with the Highest Tax Burden | 0 | - | 4.27 | 33,125 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 30,889 |
| Top 10 U.S. States by Manufacturing Employment | 0 | - | 4.50 | 27,428 |
| U.S. States with the Most Venomous Snake Species | 0 | - | 4.47 | 24,875 |
| U.S. States with the Most Endangered Species | 0 | - | 4.50 | 13,835 |
| African-American Historical Figures | 0 | - | 4.12 | 16,320 |
| Canadian Prime Ministers Quiz | 0 | - | 4.56 | 45,588 |
| Capitals of Canadian Provinces | 0 | - | 4.86 | 72,913 |
| Most-Visited Countries by Canadians | 0 | - | 4.79 | 37,803 |
| Category Elimination - European Geography #1 | 0 | - | 4.97 | 197,821 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 243,276 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 140,783 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 186,225 |
| Italian Foods | 0 | - | 4.25 | 63,335 |
| The United States... or the United Kingdom? | 0 | - | 4.89 | 89,373 |
| Canada or Africa by Area | 0 | - | 4.79 | 13,070 |
| Top 10 American Countries by Coastline | 0 | - | 4.95 | 82,796 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.87 | 67,068 |
| Countries Bordering Brazil | 0 | - | 4.96 | 123,094 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 44,789 |
| Colombia Country Quiz | 0 | - | 4.92 | 34,324 |
| Cuba Country Quiz | 0 | - | 4.72 | 46,616 |
| Jamaica Country Quiz | 0 | - | 4.59 | 31,788 |
| Lakes in the United States by Clue | 0 | - | 4.31 | 13,539 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.93 | 130,314 |
| U.S. Five-Star Generals and Admirals | 0 | - | 4.37 | 7,829 |
| American Generations | 0 | - | 3.96 | 19,533 |
| Most Guessed U.S. Cities | 0 | - | 4.90 | 90,145 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 68,713 |
| U.S. Cities by Picture #1 | 0 | - | 4.34 | 31,415 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.82 | 60,348 |
| 500 Biggest US Cities | 0 | - | 4.84 | 95,926 |
| U.S. Political Figures by Picture #1 | 0 | - | 4.10 | 25,011 |
