| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,470 |
| United States Map Quiz | 0 | - | 4.98 | 4,145,728 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,790 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,094 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,607 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,045 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,261 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,620 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,031 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,286 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,217 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,657 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,161 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,791 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 66,982 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,015,193 |
| North America Map Quiz | 0 | - | 4.98 | 245,817 |
| Canada Provinces and Territories | 0 | - | 5.00 | 339,091 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 637,095 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,999 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 900,397 |
| Most Common High School Mascots | 0 | - | 4.47 | 31,899 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,247 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,130 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,277 |
| Central American Countries | 0 | - | 4.98 | 155,347 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 146,447 |
| Territories of the United States | 0 | - | 4.79 | 52,221 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.78 | 39,446 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,819 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 51,867 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,590 |
| New York City Geography | 0 | - | 4.42 | 32,989 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,758 |
| Official European Union Languages | 0 | - | 4.97 | 237,351 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,149 |
| Native American Tribes in the US | 0 | - | 4.72 | 25,301 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,155 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,158 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,664 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,556 |
| 75 Americans Named John | 0 | - | 4.41 | 23,846 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 40,861 |
| New York True or False? | 0 | - | 4.53 | 33,726 |
| The Most Recent... United States | 0 | - | 4.45 | 18,339 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,392 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.70 | 32,849 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,471 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 74,960 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,249 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,479 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 90,450 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,481 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,221 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,047 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,688 |
| Ten Most Rectangular U.S. States | 0 | - | 4.54 | 71,049 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,420 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,941 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,304 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,390 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,612 |
| South America Map Quiz | 0 | - | 5.00 | 1,543,087 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,028 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.67 | 45,000 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,056 |
| Official and Regional Languages of Europe on a Map | 0 | - | 4.99 | 110,653 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,892 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,312 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,319 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,449 |
| North America Capitals Quiz | 0 | - | 4.99 | 217,758 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,066 |
| Which Island in the United States? | 0 | - | 4.29 | 29,260 |
| American Foods | 0 | - | 3.66 | 39,312 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,116 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.94 | 32,090 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.26 | 14,684 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,235 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,829 |
| U.S. Analogies | 0 | - | 4.27 | 19,630 |
| U.S. Groups of Five | 0 | - | 4.21 | 21,474 |
| Branches of the U.S. Military | 0 | - | 4.40 | 24,217 |
| Florida True or False? | 0 | - | 4.48 | 28,575 |
| Old West History | 0 | - | 4.33 | 15,235 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,502 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,876 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,662 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.44 | 29,609 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,424 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,215 |
| US States with the Most Executions | 0 | - | 4.51 | 26,362 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 28,959 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 47,719 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.40 | 40,105 |
| Top 10 Least Happy U.S. States | 0 | - | 4.54 | 24,058 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,623 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,696 |
| Name a Valid Answer - United States #2 | 0 | - | 4.16 | 27,181 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,053 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,399 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,423 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,873 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,523 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,707 |
| Three Real and One Fake - U.S. Geography | 0 | - | 4.34 | 29,257 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,609 |
| California Multiple Choice | 0 | - | 4.40 | 28,055 |
| San Francisco Trivia | 0 | - | 4.32 | 15,672 |
| San Francisco A-Z | 0 | - | 4.18 | 9,536 |
| Florida Multiple Choice | 0 | - | 4.33 | 10,170 |
| Boston City Trivia | 0 | - | 4.38 | 24,143 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.84 | 65,801 |
| US States Quiz | 0 | - | 5.00 | 16,748,059 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,772 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 41,596 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,099 |
| History of Mexico | 0 | - | 4.58 | 15,247 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 329,082 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,226 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 527,125 |
| Slavic Languages | 0 | - | 4.68 | 54,090 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,617 |
| USA Tourist Attractions by Description #2 | 0 | - | 4.00 | 21,282 |
| American Inventions #1 | 0 | - | 3.63 | 31,474 |
| American Inventions #2 | 0 | - | 3.93 | 15,839 |
| Pixelated United States Map | 0 | - | 4.89 | 93,690 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,785 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,092 |
| Three Real and One Fake - U.S. History | 0 | - | 4.33 | 25,706 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,666,434 |
| University of California Campuses | 0 | - | 3.84 | 8,877 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,565 |
| U.S. History Multiple Choice #2 | 0 | - | 4.32 | 25,006 |
| U.S. History Multiple Choice #1 | 0 | - | 4.31 | 22,180 |
| U.S. History Multiple Choice #4 | 0 | - | 4.26 | 25,512 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,091 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,702 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,726 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,081 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,323 |
| U.S. States By Population | 0 | - | 4.92 | 152,629 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,702 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,046 |
| US States with an Empty Map | 0 | - | 5.00 | 620,374 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,792 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,898 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 65,108 |
| Top 10 Most Religious U.S. States | 0 | - | 4.31 | 19,269 |
| U.S. States with the Least Gun Ownership | 0 | - | 4.35 | 25,392 |
| Top 10 US States that Produce the Most Coal | 0 | - | 4.27 | 25,359 |
| U.S. States with Youngest Median Age | 0 | - | 4.32 | 20,569 |
| Top 10 U.S. States by Percent Born in State | 0 | - | 4.25 | 12,294 |
| Top 10 U.S. States by Percent Born out of State | 0 | - | 4.22 | 11,802 |
| U.S. States with the Most Workplace Fatalities | 0 | - | 4.09 | 9,542 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,119 |
| U.S. History Multiple Choice #5 | 0 | - | 4.26 | 11,508 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.39 | 32,467 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,953 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,891 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,669 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,912 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 503,203 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,903 |
| Draw All US State Borders | 0 | - | 4.99 | 134,565 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,260 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,079 |
| 20 Most-Visited Places in Canada | 0 | - | 4.27 | 13,144 |
| Canadian Musical Acts by Two Songs | 0 | - | 4.02 | 28,151 |
| Canada Decoder | 0 | - | 4.12 | 18,671 |
| Which Canadian Province? | 0 | - | 4.75 | 9,665 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,086 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,416 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,294 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 210,442 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,860 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,816 |
| Top World Languages | 0 | - | 4.92 | 815,540 |
| Australian Capitals | 0 | - | 4.92 | 62,621 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,618 |
| Famous Caribbean People | 0 | - | 4.37 | 12,575 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 23,960 |
| North America Cities by Map | 0 | - | 4.41 | 47,669 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,497 |
| Rivers of the United States | 0 | - | 4.93 | 65,703 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,675 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,416 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,622 |
| Hawaiian Islands | 0 | - | 4.83 | 42,510 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,634 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,164 |
| U.S. State Flags | 0 | - | 4.89 | 168,140 |
| U.S. States that Border Canada | 0 | - | 4.91 | 183,151 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 207,266 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,815 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,091 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,923 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,350 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,643 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,792 |
