| Pixelated United States Map | 0 | - | 4.91 | 81,277 |
| Hawaiian Islands Map Quiz | 0 | - | 4.88 | 20,890 |
| US States Quiz | 0 | - | 5.00 | 14,569,687 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.84 | 54,053 |
| Total United States Immigration by Country | 0 | - | 4.90 | 95,861 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.93 | 145,111 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.95 | 181,994 |
| U.S. Cabinet Departments | 0 | - | 4.85 | 67,256 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.97 | 338,134 |
| 10 Closest Megacities to New York City | 0 | - | 4.54 | 54,273 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 91,956 |
| Countries that Visit the United States the Most | 0 | - | 4.95 | 77,532 |
| Deadliest U.S. Wars | 0 | - | 4.82 | 156,822 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 99,353 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 95,049 |
| 10 Southernmost U.S. States | 0 | - | 4.84 | 98,043 |
| U.S. States with Short Names | 0 | - | 4.87 | 128,262 |
| U.S. States that Start with M | 0 | - | 4.91 | 149,114 |
| U.S. States By Population | 0 | - | 4.90 | 129,185 |
| U.S. States that Start with N | 0 | - | 4.95 | 154,265 |
| U.S. States with Longest Names | 0 | - | 4.84 | 35,469 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 57,843 |
| The Only Remaining U.S. State . . . | 0 | - | 4.94 | 54,897 |
| US States with an Empty Map | 0 | - | 5.00 | 548,529 |
| 10 Longest Rivers in the United States | 0 | - | 4.82 | 34,660 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.95 | 269,642 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 123,319 |
| Countries that Beat the United States | 0 | - | 4.92 | 143,638 |
| Louisiana Purchase with a Map | 0 | - | 4.94 | 35,457 |
| U.S. States with the Longest International Borders | 0 | - | 4.81 | 39,869 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.89 | 88,359 |
| U.S. States with the Most Immigrants | 0 | - | 4.86 | 72,619 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 70,296 |
| U.S. States or European Countries by Population | 0 | - | 4.98 | 114,865 |
| Name a Valid U.S. State #1 | 0 | - | 4.95 | 182,741 |
| Top 10 Coldest U.S. States | 0 | - | 4.91 | 99,282 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 99,828 |
| Top 10 Most Native American U.S. States | 0 | - | 4.84 | 70,299 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 56,883 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 306,284 |
| States of Mexico | 0 | - | 4.94 | 138,364 |
| Mexico States Map Quiz | 0 | - | 4.85 | 89,406 |
| U.S. State Nicknames Quiz | 0 | - | 4.49 | 45,797 |
| U.S. National Parks Quiz | 0 | - | 4.79 | 46,232 |
| Countries with American Expatriates | 0 | - | 4.59 | 40,805 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 38,128 |
| Cities by Picture #2 | 0 | - | 4.22 | 32,139 |
| United States Country Quiz | 0 | - | 4.45 | 87,931 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 71,974 |
| California Groups of Things | 0 | - | 4.23 | 42,534 |
| Famous People from New York by Picture | 0 | - | 4.02 | 25,170 |
| New York Groups of Things | 0 | - | 4.39 | 56,953 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.77 | 56,361 |
| Countries Closest to Canada | 0 | - | 4.90 | 183,219 |
| Asian Last Names in the United States | 0 | - | 4.41 | 42,975 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.18 | 696,845 |
| American Legal Vocabulary | 0 | - | 4.43 | 31,971 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 198,035 |
| U.S. Federal Agency Acronyms | 0 | - | 4.51 | 75,623 |
| Who Did that Motown Song | 0 | - | 4.45 | 12,629 |
| Six Flags Over Texas | 0 | - | 4.84 | 58,404 |
| New England States | 0 | - | 4.53 | 52,350 |
| US States by Land Area | 0 | - | 4.59 | 48,190 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.52 | 35,998 |
| Add a Letter - Make a U.S. State | 0 | - | 4.76 | 75,958 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 50,642 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.79 | 36,987 |
| 10 Easternmost U.S. States | 0 | - | 4.54 | 52,674 |
| The Only U.S. State ... #1 | 0 | - | 4.55 | 82,119 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.47 | 40,252 |
| United States Map Quiz | 0 | - | 4.98 | 3,880,868 |
| U.S. States by Picture #1 | 0 | - | 4.15 | 14,277 |
| Countries Closest to Alaska | 0 | - | 4.92 | 98,123 |
| Geography of California | 0 | - | 4.23 | 9,614 |
| Countries Closest to Maine | 0 | - | 4.84 | 58,302 |
| Boroughs of New York City | 0 | - | 4.44 | 76,375 |
| New York Pro Sport Teams | 0 | - | 4.29 | 14,918 |
| Washington State by Picture | 0 | - | 4.16 | 7,091 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 48,970 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.66 | 59,330 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.74 | 53,772 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.76 | 52,690 |
| Longest U.S. State Borders | 0 | - | 4.62 | 33,762 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.52 | 58,107 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.54 | 31,643 |
| U.S. States with the Fewest Borders | 0 | - | 4.76 | 104,690 |
| U.S. States with the Most Borders | 0 | - | 4.57 | 60,938 |
| Flags of Asia Quiz | 0 | - | 4.99 | 518,680 |
| Flags of Africa Quiz | 0 | - | 4.99 | 380,882 |
| Belize Country Quiz | 0 | - | 4.88 | 18,557 |
| Top U.S. Universities | 0 | - | 4.11 | 111,856 |
| Largest United States Airlines | 0 | - | 4.38 | 51,814 |
| Third Most Common Language by U.S. State | 0 | - | 4.90 | 106,040 |
| U.S. Cities by Picture #1 | 0 | - | 4.36 | 31,457 |
| U.S. States by Governor Quiz | 0 | - | 4.42 | 16,884 |
| U.S. Political Parties in History | 0 | - | 4.42 | 26,036 |
| U.S. Political Figures by Picture #1 | 0 | - | 4.10 | 25,021 |
| U.S. Political Figures by Picture #2 | 0 | - | 4.06 | 14,716 |
| Female Political Figures by Picture - U.S. | 0 | - | 4.16 | 10,056 |
| U.S. Government Agencies | 0 | - | 4.41 | 17,497 |
| Famous People from Alabama by Picture | 0 | - | 4.02 | 22,567 |
| Famous People from California by Picture | 0 | - | 4.30 | 31,280 |
| Los Angeles vs. New York | 0 | - | 4.39 | 15,802 |
| Florida Pro Sport Teams | 0 | - | 4.63 | 9,607 |
| Hawaiian Islands | 0 | - | 4.85 | 38,239 |
| Famous People from Michigan by Picture | 0 | - | 4.25 | 19,325 |
| Famous People from Texas by Picture | 0 | - | 4.04 | 31,403 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 57,620 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,032,294 |
| Georgia ... or Georgia? | 0 | - | 4.79 | 71,401 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.50 | 33,748 |
| Biggest Trading Partners - US | 0 | - | 4.57 | 91,617 |
| The U.S. Government - How Does it Work? | 0 | - | 4.33 | 39,649 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.40 | 55,325 |
| Musical Acts from Los Angeles Quiz | 0 | - | 4.24 | 12,661 |
| Movies Set in San Francisco | 0 | - | 4.18 | 19,504 |
| Movies Set in Miami | 0 | - | 4.31 | 16,260 |
| Musical Acts from New York City | 0 | - | 3.80 | 9,528 |
| State Quiz - New York | 0 | - | 4.47 | 36,105 |
| People on Money - United States | 0 | - | 4.31 | 61,622 |
| U.S. History Groups of Two | 0 | - | 4.27 | 35,117 |
| 100 Most Influential Figures in U.S. History | 0 | - | 4.19 | 41,001 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.34 | 70,359 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.49 | 20,411 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.44 | 47,573 |
| Flyover States | 0 | - | 4.51 | 27,849 |
| U.S. States With Double Letters | 0 | - | 4.64 | 4,016 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.29 | 57,351 |
| U.S. States by Borders | 0 | - | 4.59 | 26,098 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 37,256 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.47 | 35,209 |
| Name a Valid U.S. State #2 | 0 | - | 4.64 | 68,370 |
| U.S. State Superlatives #1 | 0 | - | 4.45 | 74,993 |
| U.S. State Superlatives #2 | 0 | - | 4.51 | 37,071 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.38 | 120,470 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.54 | 60,267 |
| Top 10 Richest U.S. States by Median Income | 0 | - | 4.46 | 102,498 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.48 | 34,813 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.79 | 58,009 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.44 | 39,203 |
| Pixelated Asia Map | 0 | - | 4.89 | 62,486 |
| Pixelated Africa Map | 0 | - | 4.98 | 87,055 |
| Flags of Oceania | 0 | - | 5.00 | 212,555 |
| The Only American Country ... | 0 | - | 4.94 | 108,851 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 99,995 |
| U.S. State Border Crossings | 0 | - | 4.96 | 81,423 |
| U.S. Citizenship Test Questions | 0 | - | 4.86 | 220,538 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.82 | 32,417 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 64,611 |
| Cities and Towns of Massachusetts | 0 | - | 4.89 | 59,215 |
| Washington Counties | 0 | - | 4.92 | 19,237 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 19,714 |
| U.S. States with the Lowest HDI | 0 | - | 4.46 | 27,370 |
| Which U.S. State - Multiple Choice | 0 | - | 4.45 | 18,853 |
| Movies by State Quiz | 0 | - | 4.23 | 39,291 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.60 | 30,896 |
| Canada Country Quiz | 0 | - | 4.49 | 120,425 |
| Canada Cities Map Quiz | 0 | - | 4.65 | 108,762 |
| Three Band Flags of Europe | 0 | - | 4.97 | 159,503 |
| Pixelated Europe Map | 0 | - | 4.89 | 108,482 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 80,346 |
| Mexico Country Quiz | 0 | - | 4.48 | 65,923 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.89 | 38,810 |
| Brazil States Map Quiz | 0 | - | 4.84 | 38,921 |
| States of Brazil | 0 | - | 4.96 | 67,253 |
| Fictional Characters from the Midwest by Picture | 0 | - | 4.04 | 18,323 |
| U.S. States by Picture #2 | 0 | - | 3.44 | 10,888 |
| Most-Visited U.S. Cities | 0 | - | 4.87 | 71,130 |
| Every U.S. Metro Area on a Map | 0 | - | 4.96 | 61,895 |
| Senators Who Ran For President | 0 | - | 4.28 | 16,253 |
| U.S. Electoral College Landslides | 0 | - | 4.33 | 20,926 |
| California Pro Sport Teams | 0 | - | 4.23 | 22,032 |
| Chicago City Trivia | 0 | - | 4.26 | 30,324 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.84 | 21,044 |
| Texas Pro Sport Teams | 0 | - | 4.11 | 16,153 |
| History of Pennsylvania | 0 | - | 4.09 | 6,394 |
| History of Virginia | 0 | - | 4.33 | 10,895 |
| Washington D.C. by Picture | 0 | - | 4.52 | 25,044 |
| Events in U.S. History | 0 | - | 4.39 | 25,889 |
| Events by U.S. State #1 | 0 | - | 4.41 | 21,655 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 31,408 |
| Most Valuable Crops by U.S. State | 0 | - | 4.38 | 36,552 |
| 10 U.S. States with the Highest Tax Burden | 0 | - | 4.29 | 34,114 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 30,927 |
| Top 10 U.S. States by Manufacturing Employment | 0 | - | 4.51 | 27,454 |
| U.S. States with the Most Venomous Snake Species | 0 | - | 4.47 | 24,892 |
| U.S. States with the Most Endangered Species | 0 | - | 4.50 | 13,839 |
| African-American Historical Figures | 0 | - | 4.14 | 16,327 |
| Canadian Prime Ministers Quiz | 0 | - | 4.56 | 45,722 |
| Capitals of Canadian Provinces | 0 | - | 4.86 | 72,991 |
| Most-Visited Countries by Canadians | 0 | - | 4.79 | 37,815 |
| Flags of the Mediterranean | 0 | - | 4.94 | 122,958 |
| The United States... or the United Kingdom? | 0 | - | 4.89 | 89,501 |
| Canada or Africa by Area | 0 | - | 4.79 | 13,141 |
| Top 10 American Countries by Coastline | 0 | - | 4.95 | 82,880 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.87 | 67,168 |
| Countries Bordering Brazil | 0 | - | 4.96 | 123,192 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 44,858 |
| Colombia Country Quiz | 0 | - | 4.92 | 34,546 |
| Cuba Country Quiz | 0 | - | 4.70 | 46,712 |
