| United States Map Quiz | 0 | - | 4.98 | 4,155,846 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,692 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,419 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,309 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,404 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,876 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,872 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,446 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,869 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,642 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,122 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,458 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,161 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,448 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,021,916 |
| Canada Provinces and Territories | 0 | - | 5.00 | 341,954 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 639,723 |
| North America Map Quiz | 0 | - | 4.98 | 248,162 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,091 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,467 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 901,849 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,843 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,602 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,978 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 219,582 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,618 |
| Most Common High School Mascots | 0 | - | 4.47 | 32,082 |
| Central American Countries | 0 | - | 4.98 | 156,323 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 148,182 |
| Territories of the United States | 0 | - | 4.79 | 52,356 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,626 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,362 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,143 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,918 |
| New York City Geography | 0 | - | 4.42 | 33,078 |
| Native American Tribes in the US | 0 | - | 4.72 | 25,508 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,444 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,282 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,704 |
| 75 Americans Named John | 0 | - | 4.41 | 23,898 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 40,990 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,615 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.72 | 33,010 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,634 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,151 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,359 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,649 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 90,823 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,787 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,386 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,477 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,936 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 46,871 |
| Ten Most Rectangular U.S. States | 0 | - | 4.54 | 71,338 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.61 | 45,113 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,149 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,518 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,568 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,159 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,569 |
| South America Map Quiz | 0 | - | 5.00 | 1,548,665 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,101 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,559 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,411 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,113 |
| Which Island in the United States? | 0 | - | 4.29 | 29,474 |
| American Foods | 0 | - | 3.66 | 39,368 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,128 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.95 | 32,244 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.26 | 14,740 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,314 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,883 |
| U.S. Analogies | 0 | - | 4.27 | 19,665 |
| Branches of the U.S. Military | 0 | - | 4.39 | 24,349 |
| Old West History | 0 | - | 4.34 | 15,268 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,518 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,920 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,717 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.45 | 29,675 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,547 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,376 |
| US States with the Most Executions | 0 | - | 4.51 | 26,392 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 29,052 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 47,959 |
| Top 10 Least Happy U.S. States | 0 | - | 4.54 | 24,138 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,689 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,785 |
| Name a Valid Answer - United States #2 | 0 | - | 4.16 | 27,320 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,757 |
| US States Quiz | 0 | - | 5.00 | 16,853,417 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,817 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 41,655 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,395 |
| History of Mexico | 0 | - | 4.58 | 15,301 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,852 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,867 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,459 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,330 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,605 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 331,508 |
| Three Real and One Fake - U.S. Geography | 0 | - | 4.34 | 29,334 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,837 |
| California Multiple Choice | 0 | - | 4.40 | 28,098 |
| San Francisco Trivia | 0 | - | 4.32 | 15,695 |
| San Francisco A-Z | 0 | - | 4.18 | 9,566 |
| Florida Multiple Choice | 0 | - | 4.33 | 10,181 |
| Boston City Trivia | 0 | - | 4.38 | 24,167 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,159 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,310 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,225 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,712 |
| Pixelated United States Map | 0 | - | 4.87 | 94,164 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,506 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,635 |
| Three Real and One Fake - U.S. History | 0 | - | 4.33 | 25,769 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,693,070 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,662 |
| U.S. History Multiple Choice #2 | 0 | - | 4.32 | 25,058 |
| U.S. History Multiple Choice #1 | 0 | - | 4.31 | 22,234 |
| U.S. History Multiple Choice #4 | 0 | - | 4.26 | 25,580 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,755 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,283 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,307 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,841 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,108 |
| U.S. States By Population | 0 | - | 4.92 | 153,460 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,321 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,383 |
| US States with an Empty Map | 0 | - | 5.00 | 623,913 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,215 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,154 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,542 |
| Top 10 Most Religious U.S. States | 0 | - | 4.31 | 19,338 |
| U.S. States with the Least Gun Ownership | 0 | - | 4.35 | 25,449 |
| Top 10 US States that Produce the Most Coal | 0 | - | 4.27 | 25,568 |
| 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 | 12,332 |
| Top 10 U.S. States by Percent Born out of State | 0 | - | 4.22 | 11,837 |
| U.S. States with the Most Workplace Fatalities | 0 | - | 4.09 | 9,567 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,201 |
| U.S. History Multiple Choice #5 | 0 | - | 4.26 | 11,544 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 529,194 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,034 |
| USA Tourist Attractions by Description #2 | 0 | - | 4.00 | 21,319 |
| American Inventions #1 | 0 | - | 3.63 | 31,499 |
| American Inventions #2 | 0 | - | 3.93 | 15,860 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,135 |
| Rivers of the United States | 0 | - | 4.93 | 66,124 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,899 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,279 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,822 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,215 |
| University of California Campuses | 0 | - | 3.84 | 8,908 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,042 |
| Boston Talk to English Translation Quiz | 0 | - | 4.59 | 55,942 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 506,024 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,488 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 208,662 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,332 |
| Draw All US State Borders | 0 | - | 4.99 | 137,081 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,574 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,530 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,902 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,670 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,402 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,859 |
| 20 Most-Visited Places in Canada | 0 | - | 4.27 | 13,180 |
| Canadian Musical Acts by Two Songs | 0 | - | 4.02 | 28,572 |
| Canada Decoder | 0 | - | 4.12 | 18,712 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,882 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,041 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 212,747 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,870 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,682 |
| Famous Caribbean People | 0 | - | 4.37 | 12,610 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 24,018 |
| North America Cities by Map | 0 | - | 4.41 | 47,785 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,570 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,077 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,487 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 426,193 |
| Hawaiian Islands | 0 | - | 4.83 | 42,676 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,295 |
| U.S. State Flags | 0 | - | 4.89 | 170,086 |
| U.S. States that Border Canada | 0 | - | 4.91 | 184,624 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,059 |
| Europe Map Quiz | 0 | - | 5.00 | 4,759,132 |
| Africa Map Quiz | 0 | - | 5.00 | 2,116,382 |
| Oceania Map Quiz | 0 | - | 4.98 | 641,487 |
| Australian Capitals | 0 | - | 4.92 | 62,714 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,772 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,481 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,573 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,163 |
| United States Country Quiz | 0 | - | 4.43 | 101,423 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,855 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 381,317 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 191,577 |
| Play-Doh Presidents | 0 | - | 5.00 | 82,216 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,536,393 |
