| United States Map Quiz | 0 | - | 4.98 | 4,141,722 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,570 |
| North America Map Quiz | 0 | - | 4.98 | 244,413 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,375 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,868 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,922 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,607 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,770 |
| History of Mexico | 0 | - | 4.58 | 15,230 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 56,949 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,895 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 62,965 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,951 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,319 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,862 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,059 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,490 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,153 |
| Central American Countries | 0 | - | 4.98 | 155,032 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 145,879 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,894 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 158,869 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,077 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,479 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,065 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,658 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.84 | 66,826 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 216,684 |
| Most Common High School Mascots | 0 | - | 4.47 | 31,829 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,363 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,834 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,150 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,157 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,217 |
| South America Map Quiz | 0 | - | 5.00 | 1,541,146 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,578 |
| Territories of the United States | 0 | - | 4.79 | 52,142 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.78 | 39,373 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,539 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 51,734 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,439 |
| New York City Geography | 0 | - | 4.42 | 32,929 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,221 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,754 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,353 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,322 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,839 |
| Native American Tribes in the US | 0 | - | 4.72 | 25,261 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 91,900 |
| States of Mexico | 0 | - | 4.95 | 173,330 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 52,954 |
| States of Brazil | 0 | - | 4.98 | 86,378 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,585 |
| Famous Caribbean People | 0 | - | 4.37 | 12,565 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 23,925 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,014 |
| Word Chain - South America | 0 | - | 4.51 | 23,764 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,096 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,087 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,631 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,518 |
| 75 Americans Named John | 0 | - | 4.41 | 23,825 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 40,792 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,306 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.70 | 32,782 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,412 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 74,874 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,208 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,408 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 89,970 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,328 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,152 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 81,868 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,572 |
| Ten Most Rectangular U.S. States | 0 | - | 4.54 | 70,890 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,192 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,323 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 32,992 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.67 | 44,958 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,015 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,081 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,518 |
| Famous People from South America | 0 | - | 4.15 | 21,784 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,034 |
| Which Island in the United States? | 0 | - | 4.29 | 29,153 |
| American Foods | 0 | - | 3.66 | 39,275 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,109 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.26 | 14,666 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,187 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,803 |
| U.S. Analogies | 0 | - | 4.27 | 19,604 |
| Branches of the U.S. Military | 0 | - | 4.40 | 24,159 |
| Old West History | 0 | - | 4.33 | 15,223 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,490 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,851 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,643 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.44 | 29,578 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,359 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,156 |
| US States with the Most Executions | 0 | - | 4.51 | 26,348 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 28,918 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 47,611 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.40 | 40,067 |
| Top 10 Least Happy U.S. States | 0 | - | 4.54 | 24,025 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,581 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,661 |
| 20 Most-Visited Places in Canada | 0 | - | 4.27 | 13,127 |
| Canada Decoder | 0 | - | 4.12 | 18,646 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 209,444 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,093 |
| Australian Capitals | 0 | - | 4.92 | 62,593 |
| North America Cities by Map | 0 | - | 4.41 | 47,615 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,460 |
| Three Real and One Fake - U.S. Geography | 0 | - | 4.34 | 29,219 |
| California Multiple Choice | 0 | - | 4.40 | 28,041 |
| San Francisco Trivia | 0 | - | 4.32 | 15,661 |
| San Francisco A-Z | 0 | - | 4.18 | 9,521 |
| Florida Multiple Choice | 0 | - | 4.33 | 10,165 |
| Boston City Trivia | 0 | - | 4.38 | 24,132 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 41,573 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,577 |
| Official European Union Languages | 0 | - | 4.97 | 236,513 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,699 |
| Europe Map Quiz | 0 | - | 5.00 | 4,731,019 |
| Africa Map Quiz | 0 | - | 5.00 | 2,104,209 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,265 |
| Three Real and One Fake - U.S. History | 0 | - | 4.33 | 25,678 |
| U.S. History Multiple Choice #2 | 0 | - | 4.32 | 24,988 |
| U.S. History Multiple Choice #1 | 0 | - | 4.31 | 22,154 |
| U.S. History Multiple Choice #4 | 0 | - | 4.26 | 25,486 |
| Top 10 Most Religious U.S. States | 0 | - | 4.31 | 19,229 |
| U.S. States with the Least Gun Ownership | 0 | - | 4.35 | 25,377 |
| Top 10 US States that Produce the Most Coal | 0 | - | 4.27 | 25,326 |
| U.S. States with Youngest Median Age | 0 | - | 4.32 | 20,554 |
| Top 10 U.S. States by Percent Born in State | 0 | - | 4.25 | 12,283 |
| 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 | 9,534 |
| U.S. History Multiple Choice #5 | 0 | - | 4.26 | 11,480 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,184 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,440,404 |
| Asia Map Quiz | 0 | - | 4.99 | 906,955 |
| Countries of Africa | 0 | - | 5.00 | 2,507,619 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,808 |
| African East Coast | 0 | - | 4.96 | 95,040 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,919 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,785 |
| Australia Map Quiz | 0 | - | 4.94 | 342,459 |
| Largest Land Animals of the Americas | 0 | - | 4.38 | 20,193 |
| Pixelated Americas Map | 0 | - | 4.40 | 46,807 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,613 |
| South American Geography Quiz #2 | 0 | - | 4.62 | 39,191 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,470 |
| USA Tourist Attractions by Description #2 | 0 | - | 4.00 | 21,271 |
| American Inventions #1 | 0 | - | 3.63 | 31,460 |
| American Inventions #2 | 0 | - | 3.93 | 15,827 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,545 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,460 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.94 | 31,573 |
| Shrinking U.S. States | 0 | - | 4.37 | 40,193 |
| University of California Campuses | 0 | - | 3.84 | 8,858 |
| Famous Canadians Quiz | 0 | - | 3.94 | 23,360 |
| Canadian Musical Acts by Two Songs | 0 | - | 4.02 | 27,125 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,123 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,200 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,441 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,964 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,296 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,535 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,539 |
| The Only European Country ... | 0 | - | 4.91 | 213,807 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,521 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,566 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,458 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,874 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,432 |
| Flags of Africa Quiz | 0 | - | 5.00 | 463,270 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,614 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,563 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,260 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,502 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,098 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,434 |
| African Island Countries | 0 | - | 4.96 | 100,781 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,639 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 32,686 |
| Australian States and Territories | 0 | - | 4.95 | 140,805 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,017 |
| Australia True or False | 0 | - | 4.87 | 56,499 |
| Flags of North and South America | 0 | - | 4.99 | 367,140 |
| South American Physical Geography | 0 | - | 4.58 | 18,270 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,600 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,496 |
| European Countries Ending in "IA" | 0 | - | 4.96 | 67,441 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,238 |
| Sahel Countries on a Map | 0 | - | 4.99 | 20,980 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,226,480 |
| Celtic Nations | 0 | - | 4.69 | 46,812 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,696 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,708 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,283 |
