| United States Map Quiz | 0 | - | 4.98 | 4,143,047 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,395 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,999 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,423 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,921 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,117 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,535 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,939 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 158,942 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,112 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,535 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,091 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,698 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.84 | 66,875 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,012,648 |
| North America Map Quiz | 0 | - | 4.98 | 244,731 |
| Native American Tribes in the US | 0 | - | 4.72 | 25,278 |
| Canada Provinces and Territories | 0 | - | 5.00 | 338,231 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 636,299 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,674 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,902 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,968 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 216,953 |
| Most Common High School Mascots | 0 | - | 4.47 | 31,856 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,057 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,947 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,071 |
| Central American Countries | 0 | - | 4.98 | 155,145 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 146,085 |
| Territories of the United States | 0 | - | 4.79 | 52,165 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.78 | 39,405 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,629 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 51,780 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,478 |
| New York City Geography | 0 | - | 4.42 | 32,953 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,121 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,107 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,632 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,530 |
| 75 Americans Named John | 0 | - | 4.41 | 23,829 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 40,814 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,344 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.70 | 32,804 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,431 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 74,907 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,224 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,437 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 90,171 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,393 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,168 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 81,911 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,610 |
| Ten Most Rectangular U.S. States | 0 | - | 4.54 | 70,944 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,380 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,182 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,216 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,331 |
| South America Map Quiz | 0 | - | 5.00 | 1,541,709 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 32,998 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.67 | 44,976 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,024 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,258 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,356 |
| North America Capitals Quiz | 0 | - | 4.99 | 217,117 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,041 |
| Which Island in the United States? | 0 | - | 4.29 | 29,186 |
| American Foods | 0 | - | 3.66 | 39,284 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,111 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.94 | 31,886 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.26 | 14,669 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,202 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,810 |
| U.S. Analogies | 0 | - | 4.27 | 19,610 |
| Branches of the U.S. Military | 0 | - | 4.40 | 24,169 |
| Old West History | 0 | - | 4.33 | 15,227 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,495 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,856 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,648 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.44 | 29,589 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,381 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,177 |
| US States with the Most Executions | 0 | - | 4.51 | 26,350 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 28,932 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 47,644 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.40 | 40,076 |
| Top 10 Least Happy U.S. States | 0 | - | 4.54 | 24,039 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,594 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,672 |
| Name a Valid Answer - United States #2 | 0 | - | 4.16 | 27,144 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 91,965 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,220 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,160 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,714 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,264 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,136 |
| Three Real and One Fake - U.S. Geography | 0 | - | 4.34 | 29,229 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,553 |
| California Multiple Choice | 0 | - | 4.40 | 28,043 |
| San Francisco Trivia | 0 | - | 4.32 | 15,663 |
| San Francisco A-Z | 0 | - | 4.18 | 9,524 |
| Florida Multiple Choice | 0 | - | 4.33 | 10,166 |
| Boston City Trivia | 0 | - | 4.38 | 24,133 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.84 | 65,677 |
| US States Quiz | 0 | - | 5.00 | 16,714,278 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,390 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 41,584 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,036 |
| History of Mexico | 0 | - | 4.58 | 15,237 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 328,296 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,198 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,571 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,593 |
| USA Tourist Attractions by Description #2 | 0 | - | 4.00 | 21,274 |
| American Inventions #1 | 0 | - | 3.63 | 31,464 |
| American Inventions #2 | 0 | - | 3.93 | 15,830 |
| Pixelated United States Map | 0 | - | 4.89 | 93,550 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,553 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,922 |
| Three Real and One Fake - U.S. History | 0 | - | 4.33 | 25,686 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,658,038 |
| University of California Campuses | 0 | - | 3.84 | 8,865 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,362 |
| U.S. History Multiple Choice #2 | 0 | - | 4.32 | 24,991 |
| U.S. History Multiple Choice #1 | 0 | - | 4.31 | 22,162 |
| U.S. History Multiple Choice #4 | 0 | - | 4.26 | 25,493 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,817 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,435 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,487 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,749 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,008 |
| U.S. States By Population | 0 | - | 4.92 | 152,434 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,481 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,910 |
| US States with an Empty Map | 0 | - | 5.00 | 619,296 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,606 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,790 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,938 |
| Top 10 Most Religious U.S. States | 0 | - | 4.31 | 19,242 |
| U.S. States with the Least Gun Ownership | 0 | - | 4.35 | 25,384 |
| Top 10 US States that Produce the Most Coal | 0 | - | 4.27 | 25,335 |
| U.S. States with Youngest Median Age | 0 | - | 4.32 | 20,559 |
| Top 10 U.S. States by Percent Born in State | 0 | - | 4.25 | 12,284 |
| Top 10 U.S. States by Percent Born out of State | 0 | - | 4.22 | 11,797 |
| U.S. States with the Most Workplace Fatalities | 0 | - | 4.09 | 9,537 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,095 |
| U.S. History Multiple Choice #5 | 0 | - | 4.26 | 11,486 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,652 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,825 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,488 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,671 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 502,269 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,661 |
| Draw All US State Borders | 0 | - | 4.99 | 133,897 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,137 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,975 |
| 20 Most-Visited Places in Canada | 0 | - | 4.27 | 13,131 |
| Canadian Musical Acts by Two Songs | 0 | - | 4.02 | 27,705 |
| Canada Decoder | 0 | - | 4.12 | 18,655 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,812 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,032 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 209,773 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,228 |
| Australian Capitals | 0 | - | 4.92 | 62,598 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,597 |
| Famous Caribbean People | 0 | - | 4.37 | 12,567 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 23,939 |
| North America Cities by Map | 0 | - | 4.41 | 47,633 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,470 |
| Rivers of the United States | 0 | - | 4.93 | 65,571 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,467 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,398 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,375 |
| Hawaiian Islands | 0 | - | 4.83 | 42,446 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,495 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,103 |
| U.S. State Flags | 0 | - | 4.89 | 167,433 |
| U.S. States that Border Canada | 0 | - | 4.91 | 182,637 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,864 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,640 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,930 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,737 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,147 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,574 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,704 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,629 |
| Official European Union Languages | 0 | - | 4.97 | 237,042 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,762 |
| Europe Map Quiz | 0 | - | 5.00 | 4,733,634 |
| Africa Map Quiz | 0 | - | 5.00 | 2,105,364 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,850 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,755 |
| U.S. State Nicknames Quiz | 0 | - | 4.47 | 50,285 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,483 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,084 |
| United States Country Quiz | 0 | - | 4.43 | 100,677 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,621 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 423,975 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 379,716 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,520,182 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 218,686 |
