| United States Map Quiz | 0 | - | 4.98 | 4,155,335 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,681 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,408 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,279 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,382 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,850 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,861 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,430 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,847 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,631 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,111 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,449 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,155 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,441 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,021,565 |
| North America Map Quiz | 0 | - | 4.98 | 248,056 |
| Canada Provinces and Territories | 0 | - | 5.00 | 341,824 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 639,596 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,078 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,450 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 901,773 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 219,500 |
| Most Common High School Mascots | 0 | - | 4.47 | 32,073 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,802 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,590 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,959 |
| Central American Countries | 0 | - | 4.98 | 156,286 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 148,118 |
| Territories of the United States | 0 | - | 4.79 | 52,351 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,614 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,339 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,129 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,904 |
| New York City Geography | 0 | - | 4.42 | 33,073 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,442 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,279 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,700 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,615 |
| 75 Americans Named John | 0 | - | 4.41 | 23,897 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 40,982 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,606 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.72 | 33,002 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,630 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,145 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,352 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,644 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 90,811 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,775 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,377 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,459 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,928 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 46,865 |
| Ten Most Rectangular U.S. States | 0 | - | 4.54 | 71,320 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,514 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,555 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,142 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,538 |
| South America Map Quiz | 0 | - | 5.00 | 1,548,382 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,099 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.61 | 45,108 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,146 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,543 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,744 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,362 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,111 |
| Which Island in the United States? | 0 | - | 4.29 | 29,468 |
| American Foods | 0 | - | 3.66 | 39,366 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,128 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.95 | 32,241 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.26 | 14,736 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,313 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,881 |
| U.S. Analogies | 0 | - | 4.27 | 19,662 |
| Branches of the U.S. Military | 0 | - | 4.39 | 24,346 |
| Florida True or False? | 0 | - | 4.48 | 28,662 |
| Old West History | 0 | - | 4.34 | 15,262 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,517 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,920 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,716 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.45 | 29,672 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,543 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,365 |
| US States with the Most Executions | 0 | - | 4.51 | 26,388 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 29,048 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 47,950 |
| Top 10 Least Happy U.S. States | 0 | - | 4.54 | 24,131 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,687 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,781 |
| Name a Valid Answer - United States #2 | 0 | - | 4.16 | 27,313 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,385 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,836 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,853 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,403 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,306 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,512 |
| Three Real and One Fake - U.S. Geography | 0 | - | 4.34 | 29,332 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,834 |
| California Multiple Choice | 0 | - | 4.40 | 28,095 |
| San Francisco Trivia | 0 | - | 4.32 | 15,695 |
| San Francisco A-Z | 0 | - | 4.18 | 9,565 |
| Florida Multiple Choice | 0 | - | 4.33 | 10,181 |
| Boston City Trivia | 0 | - | 4.38 | 24,164 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,147 |
| US States Quiz | 0 | - | 5.00 | 16,848,297 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,775 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 41,649 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,217 |
| History of Mexico | 0 | - | 4.58 | 15,298 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 331,438 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,307 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 529,108 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,706 |
| USA Tourist Attractions by Description #2 | 0 | - | 4.00 | 21,316 |
| American Inventions #1 | 0 | - | 3.63 | 31,499 |
| American Inventions #2 | 0 | - | 3.93 | 15,860 |
| Pixelated United States Map | 0 | - | 4.87 | 94,144 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,456 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,592 |
| Three Real and One Fake - U.S. History | 0 | - | 4.33 | 25,769 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,691,988 |
| University of California Campuses | 0 | - | 3.84 | 8,907 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,628 |
| U.S. History Multiple Choice #2 | 0 | - | 4.32 | 25,057 |
| U.S. History Multiple Choice #1 | 0 | - | 4.31 | 22,233 |
| U.S. History Multiple Choice #4 | 0 | - | 4.26 | 25,578 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,726 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,260 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,276 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,810 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,074 |
| U.S. States By Population | 0 | - | 4.92 | 153,437 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,291 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,368 |
| US States with an Empty Map | 0 | - | 5.00 | 623,761 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,196 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,142 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,523 |
| Top 10 Most Religious U.S. States | 0 | - | 4.31 | 19,332 |
| U.S. States with the Least Gun Ownership | 0 | - | 4.35 | 25,447 |
| Top 10 US States that Produce the Most Coal | 0 | - | 4.27 | 25,564 |
| U.S. States with Youngest Median Age | 0 | - | 4.32 | 20,597 |
| Top 10 U.S. States by Percent Born in State | 0 | - | 4.25 | 12,330 |
| Top 10 U.S. States by Percent Born out of State | 0 | - | 4.22 | 11,836 |
| U.S. States with the Most Workplace Fatalities | 0 | - | 4.09 | 9,567 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,200 |
| U.S. History Multiple Choice #5 | 0 | - | 4.26 | 11,543 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,004 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,130 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,230 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,679 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 505,904 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,470 |
| Draw All US State Borders | 0 | - | 4.99 | 136,990 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,653 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,384 |
| 20 Most-Visited Places in Canada | 0 | - | 4.27 | 13,180 |
| Canadian Musical Acts by Two Songs | 0 | - | 4.02 | 28,565 |
| Canada Decoder | 0 | - | 4.12 | 18,711 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,852 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,001 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 212,637 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,839 |
| Australian Capitals | 0 | - | 4.92 | 62,709 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,682 |
| Famous Caribbean People | 0 | - | 4.37 | 12,609 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 24,018 |
| North America Cities by Map | 0 | - | 4.41 | 47,777 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,569 |
| Rivers of the United States | 0 | - | 4.93 | 66,111 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,052 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,486 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,192 |
| Hawaiian Islands | 0 | - | 4.83 | 42,669 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,026 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,288 |
| U.S. State Flags | 0 | - | 4.89 | 170,011 |
| U.S. States that Border Canada | 0 | - | 4.91 | 184,571 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 208,605 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,308 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,552 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,492 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,881 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,855 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,047 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,050 |
| Official European Union Languages | 0 | - | 4.97 | 238,282 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,707 |
| Europe Map Quiz | 0 | - | 5.00 | 4,758,331 |
| Africa Map Quiz | 0 | - | 5.00 | 2,115,908 |
| Oceania Map Quiz | 0 | - | 4.98 | 641,247 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,772 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,475 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,567 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,163 |
| United States Country Quiz | 0 | - | 4.43 | 101,413 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,845 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 426,133 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 381,268 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,535,832 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 220,535 |
