| United States Map Quiz | 0 | - | 4.98 | 4,161,436 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,771 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,544 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,607 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,546 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,227 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,996 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,629 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 160,179 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,877 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,338 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,620 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,364 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,661 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,024,561 |
| North America Map Quiz | 0 | - | 4.98 | 248,930 |
| Native American Tribes in the US | 0 | - | 4.74 | 25,566 |
| Canada Provinces and Territories | 0 | - | 5.00 | 343,124 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 641,009 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,237 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,641 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 902,646 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 220,433 |
| Most Common High School Mascots | 0 | - | 4.47 | 32,156 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 58,078 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,759 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,289 |
| Central American Countries | 0 | - | 4.98 | 156,614 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 148,746 |
| Territories of the United States | 0 | - | 4.80 | 52,434 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,715 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,569 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,240 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 94,069 |
| New York City Geography | 0 | - | 4.42 | 33,113 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,483 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,337 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,730 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,649 |
| 75 Americans Named John | 0 | - | 4.41 | 23,917 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.12 | 41,050 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,707 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.74 | 33,080 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,729 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,250 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,405 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,720 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 90,994 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,927 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,446 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,656 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 60,027 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 46,948 |
| Ten Most Rectangular U.S. States | 0 | - | 4.54 | 71,453 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,560 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,672 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,309 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,951 |
| South America Map Quiz | 0 | - | 5.00 | 1,550,757 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,123 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.61 | 45,164 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,181 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,654 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,876 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,223 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,138 |
| Which Island in the United States? | 0 | - | 4.29 | 29,562 |
| American Foods | 0 | - | 3.66 | 39,391 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,131 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.95 | 32,268 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.26 | 14,772 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,350 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,912 |
| U.S. Analogies | 0 | - | 4.27 | 19,680 |
| Branches of the U.S. Military | 0 | - | 4.39 | 24,394 |
| Old West History | 0 | - | 4.34 | 15,282 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,525 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,946 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,740 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.45 | 29,717 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,602 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,425 |
| US States with the Most Executions | 0 | - | 4.51 | 26,402 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 29,083 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 48,055 |
| Top 10 Least Happy U.S. States | 0 | - | 4.54 | 24,165 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,734 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,816 |
| Name a Valid Answer - United States #2 | 0 | - | 4.16 | 27,365 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,521 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 105,003 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,026 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,757 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,674 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,452 |
| Three Real and One Fake - U.S. Geography | 0 | - | 4.34 | 29,374 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,909 |
| California Multiple Choice | 0 | - | 4.40 | 28,113 |
| San Francisco Trivia | 0 | - | 4.32 | 15,709 |
| San Francisco A-Z | 0 | - | 4.18 | 9,578 |
| Florida Multiple Choice | 0 | - | 4.33 | 10,184 |
| Boston City Trivia | 0 | - | 4.38 | 24,175 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,304 |
| US States Quiz | 0 | - | 5.00 | 16,896,532 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,282 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 41,676 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,275 |
| History of Mexico | 0 | - | 4.58 | 15,321 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 332,617 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,346 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,042 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,747 |
| USA Tourist Attractions by Description #2 | 0 | - | 4.00 | 21,333 |
| American Inventions #1 | 0 | - | 3.63 | 31,508 |
| American Inventions #2 | 0 | - | 3.93 | 15,868 |
| Pixelated United States Map | 0 | - | 4.87 | 94,365 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,826 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,883 |
| Three Real and One Fake - U.S. History | 0 | - | 4.33 | 25,784 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,703,724 |
| University of California Campuses | 0 | - | 3.84 | 8,921 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,932 |
| U.S. History Multiple Choice #2 | 0 | - | 4.32 | 25,081 |
| U.S. History Multiple Choice #1 | 0 | - | 4.31 | 22,251 |
| U.S. History Multiple Choice #4 | 0 | - | 4.26 | 25,599 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,028 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,564 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 113,552 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,162 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,462 |
| U.S. States By Population | 0 | - | 4.92 | 153,645 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,582 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,519 |
| US States with an Empty Map | 0 | - | 5.00 | 625,313 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,416 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,262 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,708 |
| Top 10 Most Religious U.S. States | 0 | - | 4.32 | 19,366 |
| U.S. States with the Least Gun Ownership | 0 | - | 4.35 | 25,481 |
| Top 10 US States that Produce the Most Coal | 0 | - | 4.30 | 30,449 |
| U.S. States with Youngest Median Age | 0 | - | 4.32 | 20,607 |
| Top 10 U.S. States by Percent Born in State | 0 | - | 4.25 | 12,347 |
| Top 10 U.S. States by Percent Born out of State | 0 | - | 4.22 | 11,852 |
| U.S. States with the Most Workplace Fatalities | 0 | - | 4.09 | 9,576 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,231 |
| U.S. History Multiple Choice #5 | 0 | - | 4.26 | 11,564 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,421 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,207 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,567 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,650 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 507,192 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,724 |
| Draw All US State Borders | 0 | - | 4.99 | 138,081 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,856 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,544 |
| 20 Most-Visited Places in Canada | 0 | - | 4.27 | 13,203 |
| Canadian Musical Acts by Two Songs | 0 | - | 4.02 | 28,676 |
| Canada Decoder | 0 | - | 4.12 | 18,729 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,223 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,351 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 214,094 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,412 |
| Australian Capitals | 0 | - | 4.92 | 62,734 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,704 |
| Famous Caribbean People | 0 | - | 4.37 | 12,626 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 24,059 |
| North America Cities by Map | 0 | - | 4.41 | 47,825 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,602 |
| Rivers of the United States | 0 | - | 4.93 | 66,261 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,249 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,516 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,456 |
| Hawaiian Islands | 0 | - | 4.83 | 42,746 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,189 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,351 |
| U.S. State Flags | 0 | - | 4.88 | 170,849 |
| U.S. States that Border Canada | 0 | - | 4.91 | 185,240 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 209,213 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,575 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,756 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,783 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,211 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,947 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,181 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,236 |
| Official European Union Languages | 0 | - | 4.97 | 238,703 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,983 |
| Europe Map Quiz | 0 | - | 5.00 | 4,766,976 |
| Africa Map Quiz | 0 | - | 5.00 | 2,119,895 |
| Oceania Map Quiz | 0 | - | 4.98 | 643,170 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,784 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,563 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,595 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,195 |
| United States Country Quiz | 0 | - | 4.43 | 101,622 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,911 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 426,781 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 382,075 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,542,233 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 221,042 |
