| United States Map Quiz | 0 | - | 4.98 | 4,168,099 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,928 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,781 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,622 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,815 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 74,813 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,179 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,957 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 160,520 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 178,090 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,577 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,767 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,567 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,906 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,029,101 |
| North America Map Quiz | 0 | - | 4.98 | 250,871 |
| Canada Provinces and Territories | 0 | - | 5.00 | 345,258 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 643,259 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,473 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,947 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 904,247 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 221,861 |
| Most Common High School Mascots | 0 | - | 4.47 | 32,261 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,648 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 95,033 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,720 |
| Central American Countries | 0 | - | 4.98 | 157,137 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,160 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 149,898 |
| Territories of the United States | 0 | - | 4.80 | 52,565 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,827 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,962 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,421 |
| Name a Valid Answer - United States #1 | 0 | - | 4.62 | 94,293 |
| New York City Geography | 0 | - | 4.43 | 33,170 |
| Native American Tribes in the US | 0 | - | 4.74 | 25,682 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,588 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,415 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,756 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,704 |
| 75 Americans Named John | 0 | - | 4.41 | 23,959 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.12 | 41,139 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,867 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.74 | 33,184 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,801 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,396 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,475 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,819 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 91,253 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 85,182 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,539 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,938 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 60,200 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 47,044 |
| Ten Most Rectangular U.S. States | 0 | - | 4.54 | 71,659 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,655 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,872 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,654 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,415 |
| South America Map Quiz | 0 | - | 5.00 | 1,554,240 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,177 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.61 | 45,237 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,242 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,817 |
| Name a Valid Answer - United States #2 | 0 | - | 4.16 | 27,429 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,604 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,177 |
| Which Island in the United States? | 0 | - | 4.29 | 29,715 |
| American Foods | 0 | - | 3.66 | 39,425 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,142 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.95 | 32,320 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.27 | 14,806 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,413 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,964 |
| U.S. Analogies | 0 | - | 4.27 | 19,712 |
| Branches of the U.S. Military | 0 | - | 4.40 | 24,474 |
| Old West History | 0 | - | 4.34 | 15,292 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,530 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,973 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,767 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.45 | 29,770 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,678 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,496 |
| US States with the Most Executions | 0 | - | 4.51 | 26,421 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 29,139 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 48,206 |
| Top 10 Least Happy U.S. States | 0 | - | 4.54 | 24,222 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,786 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,869 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,699 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 105,328 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,347 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,180 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,315 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,861 |
| Three Real and One Fake - U.S. Geography | 0 | - | 4.34 | 29,427 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,051 |
| California Multiple Choice | 0 | - | 4.40 | 28,159 |
| San Francisco Trivia | 0 | - | 4.32 | 15,721 |
| San Francisco A-Z | 0 | - | 4.18 | 9,583 |
| Florida Multiple Choice | 0 | - | 4.33 | 10,198 |
| Boston City Trivia | 0 | - | 4.38 | 24,194 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,605 |
| US States Quiz | 0 | - | 5.00 | 16,964,894 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,293 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 41,718 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,351 |
| History of Mexico | 0 | - | 4.52 | 15,357 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 334,647 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,405 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 531,796 |
| U.S. History Multiple Choice #5 | 0 | - | 4.26 | 11,585 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,816 |
| USA Tourist Attractions by Description #2 | 0 | - | 4.00 | 21,356 |
| American Inventions #1 | 0 | - | 3.62 | 31,526 |
| American Inventions #2 | 0 | - | 3.93 | 15,884 |
| Pixelated United States Map | 0 | - | 4.88 | 94,667 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,307 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,263 |
| Three Real and One Fake - U.S. History | 0 | - | 4.33 | 25,825 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,719,340 |
| University of California Campuses | 0 | - | 3.84 | 8,942 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,583 |
| U.S. History Multiple Choice #2 | 0 | - | 4.32 | 25,113 |
| U.S. History Multiple Choice #1 | 0 | - | 4.29 | 22,278 |
| U.S. History Multiple Choice #4 | 0 | - | 4.24 | 25,650 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,826 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 112,048 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,063 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,718 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,070 |
| U.S. States By Population | 0 | - | 4.92 | 153,984 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,020 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,771 |
| US States with an Empty Map | 0 | - | 5.00 | 627,585 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,740 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,452 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,971 |
| Top 10 Most Religious U.S. States | 0 | - | 4.32 | 19,408 |
| U.S. States with the Least Gun Ownership | 0 | - | 4.35 | 25,520 |
| Top 10 US States that Produce the Most Coal | 0 | - | 4.30 | 31,151 |
| U.S. States with Youngest Median Age | 0 | - | 4.32 | 20,623 |
| Top 10 U.S. States by Percent Born in State | 0 | - | 4.25 | 12,380 |
| Top 10 U.S. States by Percent Born out of State | 0 | - | 4.22 | 11,874 |
| U.S. States with the Most Workplace Fatalities | 0 | - | 4.09 | 9,587 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,272 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,335 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,002 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,355 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 509,195 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,133 |
| Draw All US State Borders | 0 | - | 4.99 | 140,016 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,307 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,937 |
| 20 Most-Visited Places in Canada | 0 | - | 4.27 | 13,235 |
| Canadian Musical Acts by Two Songs | 0 | - | 4.07 | 28,829 |
| Canada Decoder | 0 | - | 4.07 | 18,757 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,813 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,922 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 215,965 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,331 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,059 |
| Australian Capitals | 0 | - | 4.92 | 62,806 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,751 |
| Famous Caribbean People | 0 | - | 4.37 | 12,649 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 24,123 |
| North America Cities by Map | 0 | - | 4.41 | 47,905 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,668 |
| Rivers of the United States | 0 | - | 4.93 | 66,556 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,561 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,555 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,931 |
| Hawaiian Islands | 0 | - | 4.83 | 42,876 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,473 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,466 |
| U.S. State Flags | 0 | - | 4.89 | 172,234 |
| U.S. States that Border Canada | 0 | - | 4.91 | 186,248 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,223 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,964 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,701 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,321 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,675 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,147 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,361 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,589 |
| Official European Union Languages | 0 | - | 4.97 | 239,466 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,472 |
| Europe Map Quiz | 0 | - | 5.00 | 4,781,239 |
| Oceania Map Quiz | 0 | - | 4.98 | 658,035 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,788 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,673 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,647 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,263 |
| United States Country Quiz | 0 | - | 4.43 | 102,026 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 77,029 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 428,016 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 383,191 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,552,546 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 222,073 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 135,315 |
