| United States Map Quiz | 0 | - | 4.98 | 4,033,614 |
| Countries of North America Quiz | 0 | - | 5.00 | 942,254 |
| North America Map Quiz | 0 | - | 4.98 | 220,168 |
| Third Most Common Language by U.S. State | 0 | - | 4.90 | 110,536 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 606,662 |
| Most Spoken Languages in Canada | 0 | - | 4.90 | 50,713 |
| Central America and Caribbean Map Quiz | 0 | - | 4.88 | 879,068 |
| History of Mexico | 0 | - | 4.57 | 14,651 |
| North American Capitals - Map Quiz | 0 | - | 4.89 | 51,772 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 89,847 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 54,309 |
| U.S. State Border Crossings | 0 | - | 4.96 | 85,644 |
| U.S. Citizenship Test Questions | 0 | - | 4.84 | 229,898 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.86 | 69,744 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 67,509 |
| Canada Provinces and Territories | 0 | - | 4.99 | 308,322 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 99,472 |
| Central American Countries | 0 | - | 4.98 | 147,025 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 108,499 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 122,725 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.88 | 24,743 |
| 10 Northernmost U.S. States | 0 | - | 4.89 | 78,274 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.94 | 152,673 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 172,824 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 118,978 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.83 | 66,363 |
| Top 10 Newest U.S. States | 0 | - | 4.83 | 82,467 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.82 | 61,712 |
| Most-Spoken Languages of the United States | 0 | - | 4.45 | 180,272 |
| Canada Geography Trivia | 0 | - | 4.79 | 46,185 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 94,135 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 109,834 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 137,768 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 116,848 |
| South America Map Quiz | 0 | - | 5.00 | 1,482,186 |
| Haiti... or Dominican Republic? | 0 | - | 4.69 | 39,371 |
| Territories of the United States | 0 | - | 4.77 | 50,363 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.80 | 37,063 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 167,726 |
| Major non-NATO U.S. Allies | 0 | - | 4.46 | 41,763 |
| Name a Valid Answer - United States #1 | 0 | - | 4.64 | 90,000 |
| Canada Immigration by Country | 0 | - | 4.51 | 59,700 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,629 |
| Uruguay Country Quiz | 0 | - | 4.83 | 30,046 |
| North America Capitals Quiz | 0 | - | 4.99 | 200,416 |
| Most Common High School Mascots | 0 | - | 4.44 | 30,078 |
| Native American Tribes in the US | 0 | - | 4.74 | 24,039 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 88,541 |
| States of Mexico | 0 | - | 4.93 | 155,616 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.89 | 45,914 |
| States of Brazil | 0 | - | 4.97 | 77,029 |
| Largest Caribbean Islands | 0 | - | 4.06 | 15,988 |
| Famous Caribbean People | 0 | - | 4.37 | 12,325 |
| Saintly Islands of the Caribbean | 0 | - | 4.31 | 23,065 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 47,770 |
| Word Chain - South America | 0 | - | 4.50 | 23,011 |
| U.S. Federal Holidays | 0 | - | 4.30 | 97,571 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 60,633 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.19 | 51,663 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 39,188 |
| Branches of the U.S. Military | 0 | - | 4.41 | 22,665 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 96,894 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 73,078 |
| Top 10 Most Asian U.S. States | 0 | - | 4.79 | 72,820 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 80,006 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 71,587 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 72,726 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.44 | 50,497 |
| Top 10 Most White U.S. States | 0 | - | 4.50 | 77,171 |
| Top 10 Most German U.S. States | 0 | - | 4.49 | 56,822 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 38,908 |
| Ten Most Rectangular U.S. States | 0 | - | 4.52 | 59,058 |
| Canadian Geography on the Map | 0 | - | 4.57 | 25,130 |
| European Countries by First 2 Letters | 0 | - | 4.96 | 506,463 |
| Embarrassing Chapters in US History | 0 | - | 4.19 | 32,270 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.64 | 43,802 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 35,000 |
| Bahamas Country Quiz | 0 | - | 4.62 | 18,336 |
| African Countries by First 2 Letters | 0 | - | 4.95 | 256,365 |
| Famous People from South America | 0 | - | 4.15 | 20,716 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.09 | 26,499 |
| American Islands | 0 | - | 4.18 | 16,068 |
| American Foods | 0 | - | 3.69 | 38,672 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 5,894 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.25 | 14,131 |
| U.S. Groups of Four Quiz | 0 | - | 4.38 | 24,296 |
| U.S. Groups of Three Quiz | 0 | - | 4.06 | 20,211 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.37 | 14,180 |
| 75 Americans Named John | 0 | - | 4.39 | 23,298 |
| New York City Geography | 0 | - | 4.38 | 23,807 |
| Old West History | 0 | - | 4.30 | 14,999 |
| Life of Benjamin Franklin | 0 | - | 4.20 | 6,366 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,366 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.46 | 28,681 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.65 | 31,370 |
| U.S. States with Oldest Median Age | 0 | - | 4.32 | 36,285 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.29 | 42,785 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.39 | 70,770 |
| US States with the Most Executions | 0 | - | 4.51 | 26,021 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 27,973 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 44,675 |
| Top 10 Least Happy U.S. States | 0 | - | 4.54 | 23,139 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 27,713 |
| U.S. Geography - Multiple Choice | 0 | - | 4.45 | 23,734 |
| 20 Most-Visited Places in Canada | 0 | - | 4.22 | 12,647 |
| Canada Decoder | 0 | - | 4.10 | 18,216 |
| Save Europeans by Guessing Countries | 0 | - | 4.87 | 189,671 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 266,305 |
| Australian Capitals | 0 | - | 4.92 | 61,785 |
| North America Cities by Map | 0 | - | 4.41 | 46,522 |
| California Multiple Choice | 0 | - | 4.40 | 27,504 |
| San Francisco Trivia | 0 | - | 4.35 | 15,417 |
| San Francisco A-Z | 0 | - | 4.22 | 9,269 |
| Florida Multiple Choice | 0 | - | 4.33 | 9,943 |
| Boston Trivia | 0 | - | 4.38 | 23,769 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 40,935 |
| Count to 10 in Europe: Pro | 0 | - | 4.84 | 64,563 |
| Official European Union Languages | 0 | - | 4.98 | 226,157 |
| European Countries in their Native Language | 0 | - | 4.99 | 150,269 |
| Europe Map Quiz | 0 | - | 5.00 | 4,514,781 |
| Africa Map Quiz | 0 | - | 5.00 | 2,021,047 |
| Oceania Map Quiz | 0 | - | 4.98 | 599,455 |
| Three Real and One Fake - U.S. History | 0 | - | 4.32 | 24,857 |
| U.S. History Multiple Choice #2 | 0 | - | 4.36 | 24,509 |
| U.S. History Multiple Choice #1 | 0 | - | 4.29 | 21,710 |
| U.S. History Multiple Choice #3 | 0 | - | 4.40 | 24,028 |
| U.S. History Multiple Choice #4 | 0 | - | 4.26 | 24,858 |
| Top 10 Most Religious U.S. States | 0 | - | 4.34 | 18,437 |
| U.S. States with the Least Gun Ownership | 0 | - | 4.34 | 24,844 |
| Top 10 US States that Produce the Most Coal | 0 | - | 4.23 | 22,014 |
| U.S. States with Youngest Median Age | 0 | - | 4.32 | 20,319 |
| Top 10 U.S. States by Percent Born in State | 0 | - | 4.24 | 11,900 |
| Top 10 U.S. States by Percent Born out of State | 0 | - | 4.22 | 11,455 |
| U.S. States with the Most Workplace Fatalities | 0 | - | 4.15 | 9,224 |
| U.S. History Multiple Choice #5 | 0 | - | 4.32 | 11,028 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 406,407 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,390,259 |
| Asia Map Quiz | 0 | - | 4.99 | 845,110 |
| Countries of Africa | 0 | - | 5.00 | 2,327,360 |
| African East Coast | 0 | - | 4.96 | 89,484 |
| Western Africa Map Quiz | 0 | - | 4.97 | 67,127 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 44,980 |
| Australia Map Quiz | 0 | - | 4.94 | 332,031 |
| Largest Land Animals of the Americas | 0 | - | 4.36 | 19,784 |
| Pixelated Americas Map | 0 | - | 4.40 | 44,390 |
| Hispanic Last Names in the U.S. | 0 | - | 4.30 | 53,736 |
| South American Geography Quiz #2 | 0 | - | 4.65 | 38,128 |
| USA Tourist Attractions by Description #2 | 0 | - | 4.00 | 20,976 |
| American Inventions #1 | 0 | - | 3.65 | 31,211 |
| American Inventions #2 | 0 | - | 3.91 | 15,597 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.40 | 35,517 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.36 | 41,656 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.28 | 32,687 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.87 | 18,984 |
| University of California Campuses | 0 | - | 3.90 | 8,511 |
| Famous Canadians Quiz | 0 | - | 3.94 | 23,045 |
| Canadian Musical Acts | 0 | - | 3.98 | 18,277 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 200,989 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.93 | 89,108 |
| Top 10 Oldest African Countries | 0 | - | 4.85 | 25,075 |
| Countries That Use the Euro | 0 | - | 4.92 | 73,813 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 348,891 |
| Europe Geography Decoder | 0 | - | 4.85 | 66,457 |
| 10 Easternmost Countries in Europe | 0 | - | 4.88 | 102,680 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.83 | 40,389 |
| The Only European Country ... | 0 | - | 4.92 | 195,007 |
| Countries that Beat Switzerland | 0 | - | 4.87 | 39,867 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 88,278 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,332,836 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 95,080 |
| Flags of Africa Quiz | 0 | - | 5.00 | 420,076 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 24,526 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 207,022 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 110,379 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 153,849 |
| African Countries with the Shortest Names | 0 | - | 4.97 | 127,412 |
| Top African Languages on a Map | 0 | - | 4.92 | 62,961 |
| African Island Countries | 0 | - | 4.96 | 95,045 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 232,802 |
| Australian States and Territories | 0 | - | 4.96 | 135,058 |
| Australian Immigration by Country | 0 | - | 4.81 | 75,237 |
| Australia True or False | 0 | - | 4.87 | 54,268 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 331,411 |
| South American Physical Geography | 0 | - | 4.58 | 17,762 |
| Paraguay... or Uruguay? | 0 | - | 4.54 | 26,012 |
| Straight Shot to Antarctica | 0 | - | 4.92 | 39,920 |
| European Countries Ending in "IA" | 0 | - | 4.96 | 61,564 |
| Add A Letter - Make a European City | 0 | - | 4.87 | 22,080 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,120,214 |
| Celtic Nations | 0 | - | 4.75 | 45,828 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.93 | 1,256,334 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 184,744 |
| 10 Westernmost Countries in Europe | 0 | - | 4.95 | 144,392 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.95 | 200,947 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 82,139 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.90 | 83,444 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 296,900 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 141,313 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.94 | 58,534 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 81,339 |
