| United States Map Quiz | 0 | - | 4.98 | 4,153,375 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,023 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,344 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,135 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,312 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,711 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,801 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 219,069 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,365 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,749 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,491 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,031 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,414 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,096 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,357 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,020,181 |
| North America Map Quiz | 0 | - | 4.98 | 247,543 |
| Canada Provinces and Territories | 0 | - | 5.00 | 341,110 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 639,033 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,347 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 901,418 |
| Most Common High School Mascots | 0 | - | 4.47 | 32,041 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,684 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,527 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,807 |
| Central American Countries | 0 | - | 4.98 | 155,851 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 147,681 |
| Territories of the United States | 0 | - | 4.79 | 52,321 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,568 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,237 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,063 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,838 |
| New York City Geography | 0 | - | 4.42 | 33,051 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,982 |
| Official European Union Languages | 0 | - | 4.97 | 238,077 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,582 |
| Native American Tribes in the US | 0 | - | 4.72 | 25,443 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,422 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,252 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,694 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,600 |
| 75 Americans Named John | 0 | - | 4.41 | 23,888 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 40,955 |
| New York True or False? | 0 | - | 4.53 | 33,786 |
| The Most Recent... United States | 0 | - | 4.45 | 18,402 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,564 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.72 | 32,967 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,561 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,111 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,339 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,614 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 90,744 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,712 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,348 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,368 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,881 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 46,811 |
| Ten Most Rectangular U.S. States | 0 | - | 4.54 | 71,259 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,493 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,604 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,503 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,066 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,247 |
| South America Map Quiz | 0 | - | 5.00 | 1,547,050 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,088 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.61 | 45,083 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,123 |
| Official and Regional Languages of Europe on a Map | 0 | - | 4.99 | 111,419 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,226 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,426 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,504 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,676 |
| North America Capitals Quiz | 0 | - | 4.99 | 218,973 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,101 |
| Which Island in the United States? | 0 | - | 4.29 | 29,414 |
| American Foods | 0 | - | 3.66 | 39,355 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,125 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.95 | 32,216 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.26 | 14,721 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,287 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,865 |
| U.S. Analogies | 0 | - | 4.27 | 19,653 |
| U.S. Groups of Five | 0 | - | 4.21 | 21,530 |
| Branches of the U.S. Military | 0 | - | 4.39 | 24,323 |
| Florida True or False? | 0 | - | 4.48 | 28,642 |
| Old West History | 0 | - | 4.33 | 15,257 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,516 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,912 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,705 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.45 | 29,666 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,510 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,328 |
| US States with the Most Executions | 0 | - | 4.51 | 26,385 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 29,033 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 47,908 |
| Top 10 Least Happy U.S. States | 0 | - | 4.54 | 24,107 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,677 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,763 |
| Name a Valid Answer - United States #2 | 0 | - | 4.16 | 27,290 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,315 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,765 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,764 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,290 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,163 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,112 |
| Three Real and One Fake - U.S. Geography | 0 | - | 4.34 | 29,314 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,792 |
| California Multiple Choice | 0 | - | 4.40 | 28,083 |
| San Francisco Trivia | 0 | - | 4.32 | 15,692 |
| San Francisco A-Z | 0 | - | 4.18 | 9,559 |
| Florida Multiple Choice | 0 | - | 4.33 | 10,180 |
| Boston City Trivia | 0 | - | 4.38 | 24,158 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,059 |
| US States Quiz | 0 | - | 5.00 | 16,826,754 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,537 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 41,636 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,192 |
| History of Mexico | 0 | - | 4.58 | 15,290 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 330,938 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,291 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 528,594 |
| Slavic Languages | 0 | - | 4.68 | 54,255 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,689 |
| USA Tourist Attractions by Description #2 | 0 | - | 4.00 | 21,308 |
| American Inventions #1 | 0 | - | 3.63 | 31,497 |
| American Inventions #2 | 0 | - | 3.93 | 15,857 |
| Pixelated United States Map | 0 | - | 4.87 | 94,052 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,311 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,486 |
| Three Real and One Fake - U.S. History | 0 | - | 4.33 | 25,751 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,687,132 |
| University of California Campuses | 0 | - | 3.84 | 8,903 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,478 |
| U.S. History Multiple Choice #2 | 0 | - | 4.32 | 25,049 |
| U.S. History Multiple Choice #1 | 0 | - | 4.31 | 22,227 |
| U.S. History Multiple Choice #4 | 0 | - | 4.26 | 25,563 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,619 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,139 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,180 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,670 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,926 |
| U.S. States By Population | 0 | - | 4.92 | 152,981 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,164 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,303 |
| US States with an Empty Map | 0 | - | 5.00 | 623,122 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,109 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,094 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,442 |
| Top 10 Most Religious U.S. States | 0 | - | 4.31 | 19,320 |
| U.S. States with the Least Gun Ownership | 0 | - | 4.35 | 25,436 |
| Top 10 US States that Produce the Most Coal | 0 | - | 4.27 | 25,423 |
| U.S. States with Youngest Median Age | 0 | - | 4.32 | 20,591 |
| Top 10 U.S. States by Percent Born in State | 0 | - | 4.25 | 12,325 |
| Top 10 U.S. States by Percent Born out of State | 0 | - | 4.22 | 11,833 |
| U.S. States with the Most Workplace Fatalities | 0 | - | 4.09 | 9,563 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,186 |
| U.S. History Multiple Choice #5 | 0 | - | 4.26 | 11,537 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.39 | 32,528 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,818 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,091 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,114 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,504 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 505,319 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,349 |
| Draw All US State Borders | 0 | - | 4.99 | 136,464 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,582 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,333 |
| 20 Most-Visited Places in Canada | 0 | - | 4.27 | 13,173 |
| Canadian Musical Acts by Two Songs | 0 | - | 4.02 | 28,510 |
| Canada Decoder | 0 | - | 4.12 | 18,702 |
| Which Canadian Province? | 0 | - | 4.75 | 9,704 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,680 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,828 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,854 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 212,006 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,606 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,487 |
| Top World Languages | 0 | - | 4.92 | 819,779 |
| Australian Capitals | 0 | - | 4.92 | 62,693 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,658 |
| Famous Caribbean People | 0 | - | 4.37 | 12,601 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 24,012 |
| North America Cities by Map | 0 | - | 4.41 | 47,755 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,555 |
| Rivers of the United States | 0 | - | 4.93 | 66,061 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,960 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,465 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,085 |
| Hawaiian Islands | 0 | - | 4.83 | 42,642 |
| Countries Closest to Maine | 0 | - | 4.85 | 66,958 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,263 |
| U.S. State Flags | 0 | - | 4.89 | 169,649 |
| U.S. States that Border Canada | 0 | - | 4.91 | 184,274 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 208,381 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,212 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,456 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,373 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,781 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,831 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,995 |
