| Caribbean Countries and Territories | 0 | - | 4.81 | 113,696 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 151,092 |
| United States Map Quiz | 0 | - | 4.98 | 4,173,698 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,873 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,033,475 |
| Canada Provinces and Territories | 0 | - | 5.00 | 347,148 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 645,435 |
| Central America and Caribbean Map Quiz | 0 | - | 4.90 | 905,537 |
| North America Map Quiz | 0 | - | 4.98 | 252,846 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 114,039 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,668 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,981 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 95,318 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 65,325 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,965 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,986 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 76,077 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 75,231 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,340 |
| Countries of South America with an Empty Map | 0 | - | 4.95 | 105,632 |
| Central American Countries | 0 | - | 4.98 | 157,567 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 83,180 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 161,182 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 178,324 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,780 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,881 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,724 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 68,071 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 99,205 |
| History of Mexico | 0 | - | 4.52 | 15,376 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,805 |
| Famous Caribbean People | 0 | - | 4.37 | 12,669 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 24,178 |
| South America Map Quiz | 0 | - | 5.00 | 1,558,530 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 223,166 |
| Most Common High School Mascots | 0 | - | 4.47 | 32,368 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,717 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,087 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,983 |
| Latin American Countries Map Quiz | 0 | - | 4.98 | 130,884 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,788 |
| Territories of the United States | 0 | - | 4.80 | 52,675 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,931 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 176,258 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,604 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 94,493 |
| New York City Geography | 0 | - | 4.43 | 33,203 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,938 |
| American Countries With No Atlantic Coastline | 0 | - | 4.93 | 92,906 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,801 |
| States of Mexico | 0 | - | 4.96 | 178,790 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.93 | 55,037 |
| States of Brazil | 0 | - | 4.98 | 90,056 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,682 |
| Native American Tribes in the US | 0 | - | 4.74 | 25,760 |
| Word Chain - South America | 0 | - | 4.51 | 24,024 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,652 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,480 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,781 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,744 |
| 75 Americans Named John | 0 | - | 4.41 | 23,990 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.12 | 41,216 |
| Red State or Blue State Trait? | 0 | - | 4.42 | 55,775 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.62 | 45,298 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,986 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.74 | 33,273 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,855 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,536 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,541 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,910 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 91,455 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 85,347 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,620 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 83,167 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 60,337 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,299 |
| Ten Most Rectangular U.S. States | 0 | - | 4.54 | 71,821 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,449 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,418 |
| Mexico True or False? | 0 | - | 4.89 | 49,063 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,221 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,806 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.45 | 29,820 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,743 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,572 |
| US States with the Most Executions | 0 | - | 4.51 | 26,431 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 29,185 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 48,336 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.40 | 47,139 |
| Top 10 Least Happy U.S. States | 0 | - | 4.54 | 24,276 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,840 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,946 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,313 |
| Iceland... or Ireland? | 0 | - | 4.74 | 57,266 |
| WWI... or WWII? | 0 | - | 4.85 | 143,855 |
| Famous People from South America | 0 | - | 4.15 | 22,139 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,210 |
| Which Island in the United States? | 0 | - | 4.29 | 29,836 |
| American Foods | 0 | - | 3.66 | 39,457 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,160 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.95 | 32,352 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.27 | 14,840 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,468 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,999 |
| U.S. Analogies | 0 | - | 4.27 | 19,729 |
| Branches of the U.S. Military | 0 | - | 4.40 | 24,550 |
| Old West History | 0 | - | 4.34 | 15,309 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,538 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,998 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 41,746 |
| 20 Most-Visited Places in Canada | 0 | - | 4.27 | 13,267 |
| Canadian Musical Acts by Two Songs | 0 | - | 4.07 | 28,957 |
| Canada Decoder | 0 | - | 4.07 | 18,784 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 533,098 |
| Name a Valid Answer - United States #2 | 0 | - | 4.16 | 27,501 |
| North America Cities by Map | 0 | - | 4.41 | 47,977 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,727 |
| Three Real and One Fake - U.S. History | 0 | - | 4.33 | 25,860 |
| Three Real and One Fake - U.S. Geography | 0 | - | 4.34 | 29,480 |
| California Multiple Choice | 0 | - | 4.40 | 28,198 |
| San Francisco Trivia | 0 | - | 4.32 | 15,739 |
| San Francisco A-Z | 0 | - | 4.18 | 9,593 |
| Florida Multiple Choice | 0 | - | 4.33 | 10,212 |
| Boston City Trivia | 0 | - | 4.38 | 24,213 |
| U.S. History Multiple Choice #2 | 0 | - | 4.33 | 25,142 |
| U.S. History Multiple Choice #1 | 0 | - | 4.29 | 22,305 |
| U.S. History Multiple Choice #4 | 0 | - | 4.24 | 25,682 |
| Top 10 Most Religious U.S. States | 0 | - | 4.32 | 19,451 |
| U.S. States with the Least Gun Ownership | 0 | - | 4.35 | 25,550 |
| Top 10 US States that Produce the Most Coal | 0 | - | 4.30 | 31,242 |
| U.S. States with Youngest Median Age | 0 | - | 4.32 | 20,648 |
| Top 10 U.S. States by Percent Born in State | 0 | - | 4.25 | 12,400 |
| Top 10 U.S. States by Percent Born out of State | 0 | - | 4.22 | 11,890 |
| U.S. States with the Most Workplace Fatalities | 0 | - | 4.09 | 9,602 |
| Europe Map Quiz | 0 | - | 5.00 | 4,793,712 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 217,478 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 281,052 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,682 |
| U.S. History Multiple Choice #5 | 0 | - | 4.26 | 11,611 |
| Oceania Map Quiz | 0 | - | 4.98 | 660,459 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,619 |
| Australian Capitals | 0 | - | 4.92 | 62,863 |
| Australia Map Quiz | 0 | - | 4.95 | 346,517 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,330 |
| Pixelated Americas Map | 0 | - | 4.39 | 47,502 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,883 |
| South American Geography Quiz #1 | 0 | - | 4.63 | 32,935 |
| South American Physical Geography | 0 | - | 4.58 | 18,414 |
| Which South American Country? | 0 | - | 4.69 | 52,147 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,805 |
| USA Tourist Attractions by Description #2 | 0 | - | 4.00 | 21,371 |
| American Inventions #1 | 0 | - | 3.62 | 31,541 |
| American Inventions #2 | 0 | - | 3.93 | 15,904 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,979 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,667 |
| Shrinking U.S. States | 0 | - | 4.38 | 40,440 |
| University of California Campuses | 0 | - | 3.84 | 8,973 |
| Washington... or Washington D.C.? | 0 | - | 4.33 | 26,599 |
| Famous Canadians Quiz | 0 | - | 3.94 | 23,431 |
| Canada True or False? | 0 | - | 4.57 | 55,188 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,370 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,996 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,263 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,871 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,617 |
| Official European Union Languages | 0 | - | 4.97 | 240,382 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,835 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,388 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,508 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,428 |
| The Only European Country ... | 0 | - | 4.91 | 219,623 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,851 |
| Russia True or False? | 0 | - | 4.67 | 35,983 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,109 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,453,502 |
| Asia Map Quiz | 0 | - | 4.99 | 926,853 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 100,189 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,388,081 |
| Countries of Africa | 0 | - | 5.00 | 2,565,088 |
| Africa Map Quiz | 0 | - | 5.00 | 2,130,906 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,265 |
| African East Coast | 0 | - | 4.96 | 96,935 |
| Western Africa Map Quiz | 0 | - | 4.98 | 74,824 |
| Top 10 Oldest African Countries | 0 | - | 4.87 | 28,306 |
| Flags of Oceania | 0 | - | 5.00 | 263,522 |
| Australian States and Territories | 0 | - | 4.96 | 143,070 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 146,692 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,545 |
| Australia True or False | 0 | - | 4.87 | 57,217 |
| Australia... or New Zealand? | 0 | - | 4.83 | 62,118 |
| Flags of North and South America | 0 | - | 4.99 | 378,220 |
| The Only American Country ... | 0 | - | 4.92 | 122,360 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,785 |
| South American Geography Quiz #2 | 0 | - | 4.40 | 44,364 |
| Westernmost Cities in the U.S. | 0 | - | 4.37 | 16,508 |
| The U.S. Government - How Does it Work? | 0 | - | 4.34 | 42,498 |
| Boston Talk to English Translation Quiz | 0 | - | 4.59 | 56,300 |
| US States Quiz | 0 | - | 5.00 | 17,024,742 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,387 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,624 |
