| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,992 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,585 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,620 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 150,736 |
| United States Map Quiz | 0 | - | 4.98 | 4,171,934 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,031,981 |
| North America Map Quiz | 0 | - | 4.98 | 252,219 |
| Canada Provinces and Territories | 0 | - | 5.00 | 346,421 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 644,755 |
| Central America and Caribbean Map Quiz | 0 | - | 4.90 | 905,097 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,849 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 95,220 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 65,130 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 222,697 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,905 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,849 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,972 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 75,048 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,284 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,855 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 105,522 |
| Central American Countries | 0 | - | 4.98 | 157,382 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 83,101 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 161,079 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 178,255 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,704 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,835 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,667 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 68,005 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,761 |
| Official European Union Languages | 0 | - | 4.97 | 239,856 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,687 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 99,109 |
| History of Mexico | 0 | - | 4.52 | 15,367 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,792 |
| Famous Caribbean People | 0 | - | 4.37 | 12,663 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 24,154 |
| Most Common High School Mascots | 0 | - | 4.47 | 32,331 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,692 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,015 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,874 |
| Latin American Countries Map Quiz | 0 | - | 4.98 | 130,694 |
| South America Map Quiz | 0 | - | 5.00 | 1,556,983 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,762 |
| Official and Regional Languages of Europe on a Map | 0 | - | 4.99 | 113,328 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 72,112 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,756 |
| Top African Languages on a Map | 0 | - | 4.94 | 75,306 |
| Territories of the United States | 0 | - | 4.80 | 52,634 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,896 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 176,135 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,537 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 94,408 |
| New York City Geography | 0 | - | 4.43 | 33,190 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,887 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,799 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,293 |
| Native American Tribes in the US | 0 | - | 4.74 | 25,736 |
| American Countries With No Atlantic Coastline | 0 | - | 4.93 | 92,827 |
| States of Mexico | 0 | - | 4.96 | 178,350 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.93 | 54,906 |
| Word Chain - South America | 0 | - | 4.51 | 24,007 |
| States of Brazil | 0 | - | 4.97 | 89,775 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,631 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,458 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,775 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,732 |
| 75 Americans Named John | 0 | - | 4.41 | 23,976 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.12 | 41,188 |
| New York True or False? | 0 | - | 4.53 | 33,966 |
| The Most Recent... United States | 0 | - | 4.46 | 18,581 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,941 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.74 | 33,232 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,834 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,477 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,525 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,874 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 91,385 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 85,286 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,588 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 83,088 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 60,300 |
| Ten Most Rectangular U.S. States | 0 | - | 4.54 | 71,758 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,437 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,390 |
| Peru True or False? | 0 | - | 4.58 | 15,321 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,203 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.62 | 45,271 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,277 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,290 |
| Slavic Languages | 0 | - | 4.67 | 54,713 |
| Famous People from South America | 0 | - | 4.15 | 22,115 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,203 |
| Which Island in the United States? | 0 | - | 4.29 | 29,791 |
| American Foods | 0 | - | 3.66 | 39,444 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,155 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.95 | 32,337 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.27 | 14,823 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,451 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,984 |
| U.S. Analogies | 0 | - | 4.27 | 19,723 |
| U.S. Groups of Five | 0 | - | 4.21 | 21,721 |
| Branches of the U.S. Military | 0 | - | 4.40 | 24,518 |
| Florida True or False? | 0 | - | 4.48 | 28,782 |
| Old West History | 0 | - | 4.34 | 15,303 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,536 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,988 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,786 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.45 | 29,801 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,725 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,545 |
| US States with the Most Executions | 0 | - | 4.51 | 26,424 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 29,170 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 48,277 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.40 | 47,100 |
| Top 10 Least Happy U.S. States | 0 | - | 4.54 | 24,253 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,824 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,919 |
| 20 Most-Visited Places in Canada | 0 | - | 4.27 | 13,256 |
| Canadian Musical Acts by Two Songs | 0 | - | 4.07 | 28,912 |
| Canada Decoder | 0 | - | 4.07 | 18,776 |
| Which Canadian Province? | 0 | - | 4.75 | 9,785 |
| Name a Valid Answer - United States #2 | 0 | - | 4.16 | 27,464 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,619 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,875 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,680 |
| North America Cities by Map | 0 | - | 4.41 | 47,951 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,708 |
| Three Real and One Fake - U.S. Geography | 0 | - | 4.34 | 29,456 |
| California Multiple Choice | 0 | - | 4.40 | 28,186 |
| San Francisco Trivia | 0 | - | 4.32 | 15,733 |
| San Francisco A-Z | 0 | - | 4.18 | 9,591 |
| Florida Multiple Choice | 0 | - | 4.33 | 10,206 |
| Boston City Trivia | 0 | - | 4.38 | 24,206 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 41,738 |
| Europe Map Quiz | 0 | - | 5.00 | 4,789,353 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 216,892 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 280,778 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,457 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,774 |
| Top World Languages | 0 | - | 4.92 | 830,196 |
| Official Languages of South Africa | 0 | - | 4.57 | 26,247 |
| Oceania Map Quiz | 0 | - | 4.98 | 659,640 |
| Australian Capitals | 0 | - | 4.92 | 62,837 |
| Three Real and One Fake - U.S. History | 0 | - | 4.33 | 25,849 |
| U.S. History Multiple Choice #2 | 0 | - | 4.33 | 25,126 |
| U.S. History Multiple Choice #1 | 0 | - | 4.29 | 22,291 |
| U.S. History Multiple Choice #4 | 0 | - | 4.24 | 25,667 |
| Top 10 Most Religious U.S. States | 0 | - | 4.32 | 19,440 |
| U.S. States with the Least Gun Ownership | 0 | - | 4.35 | 25,536 |
| Top 10 US States that Produce the Most Coal | 0 | - | 4.30 | 31,208 |
| U.S. States with Youngest Median Age | 0 | - | 4.32 | 20,638 |
| Top 10 U.S. States by Percent Born in State | 0 | - | 4.25 | 12,393 |
| Top 10 U.S. States by Percent Born out of State | 0 | - | 4.22 | 11,884 |
| U.S. States with the Most Workplace Fatalities | 0 | - | 4.09 | 9,598 |
| U.S. History Multiple Choice #5 | 0 | - | 4.26 | 11,599 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,023 |
| Languages of the United Kingdom | 0 | - | 4.14 | 41,066 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,452,705 |
| Asia Map Quiz | 0 | - | 4.99 | 925,518 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 33,420 |
| Africa Map Quiz | 0 | - | 5.00 | 2,129,180 |
| Countries by Official Language | 0 | - | 4.95 | 196,062 |
| Places in their Native Language #1 | 0 | - | 4.85 | 243,425 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,709 |
| Countries in their Native Language | 0 | - | 4.99 | 199,796 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,990 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,487 |
| Australia Map Quiz | 0 | - | 4.95 | 346,244 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,323 |
| Pixelated Americas Map | 0 | - | 4.39 | 47,456 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,864 |
| South American Geography Quiz #2 | 0 | - | 4.41 | 44,191 |
| South American Geography Quiz #1 | 0 | - | 4.63 | 32,913 |
| South American Physical Geography | 0 | - | 4.58 | 18,406 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,788 |
| USA Tourist Attractions by Description #2 | 0 | - | 4.00 | 21,366 |
| American Inventions #1 | 0 | - | 3.62 | 31,538 |
| American Inventions #2 | 0 | - | 3.93 | 15,897 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,946 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,646 |
| Shrinking U.S. States | 0 | - | 4.38 | 40,423 |
| University of California Campuses | 0 | - | 3.84 | 8,960 |
| Famous Canadians Quiz | 0 | - | 3.94 | 23,427 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,034 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,944 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 28,253 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,902 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,312 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,331 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,225 |
| The Only European Country ... | 0 | - | 4.91 | 219,164 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,596 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,065 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,992 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,387,460 |
| Countries of Africa | 0 | - | 5.00 | 2,561,157 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,027 |
| African East Coast | 0 | - | 4.96 | 96,806 |
| Western Africa Map Quiz | 0 | - | 4.98 | 74,661 |
