| United States Map Quiz | 0 | - | 4.98 | 4,164,050 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,026,252 |
| North America Map Quiz | 0 | - | 4.98 | 249,593 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,815 |
| Canada Provinces and Territories | 0 | - | 5.00 | 343,865 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 641,911 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,325 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 903,037 |
| History of Mexico | 0 | - | 4.58 | 15,339 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,246 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,886 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,436 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,631 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,782 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,632 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,433 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,050 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 105,144 |
| Central American Countries | 0 | - | 4.98 | 156,820 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 112,991 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 149,147 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,720 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 160,312 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,965 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,432 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,678 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,459 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,740 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 220,938 |
| Most Common High School Mascots | 0 | - | 4.47 | 32,200 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,594 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,762 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,728 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,427 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,152 |
| South America Map Quiz | 0 | - | 5.00 | 1,552,063 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,646 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,775 |
| Territories of the United States | 0 | - | 4.80 | 52,479 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,747 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,715 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,301 |
| Name a Valid Answer - United States #1 | 0 | - | 4.63 | 94,153 |
| New York City Geography | 0 | - | 4.42 | 33,129 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,720 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,785 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,680 |
| Native American Tribes in the US | 0 | - | 4.74 | 25,607 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,592 |
| States of Mexico | 0 | - | 4.96 | 176,874 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,220 |
| States of Brazil | 0 | - | 4.97 | 88,709 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,718 |
| Famous Caribbean People | 0 | - | 4.37 | 12,637 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 24,079 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,303 |
| Word Chain - South America | 0 | - | 4.51 | 23,940 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,529 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,371 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,739 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,677 |
| 75 Americans Named John | 0 | - | 4.41 | 23,930 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.12 | 41,080 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,761 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.74 | 33,111 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,756 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,304 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,431 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,759 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 91,083 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 85,039 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,481 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,769 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 60,093 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 46,979 |
| Ten Most Rectangular U.S. States | 0 | - | 4.54 | 71,545 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,365 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,754 |
| Peru True or False? | 0 | - | 4.58 | 15,274 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,137 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.61 | 45,185 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,206 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,244 |
| Famous People from South America | 0 | - | 4.15 | 22,024 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,151 |
| Which Island in the United States? | 0 | - | 4.29 | 29,619 |
| American Foods | 0 | - | 3.66 | 39,406 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,134 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.95 | 32,291 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.27 | 14,777 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,367 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,923 |
| U.S. Analogies | 0 | - | 4.27 | 19,699 |
| Branches of the U.S. Military | 0 | - | 4.39 | 24,421 |
| Old West History | 0 | - | 4.34 | 15,287 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,529 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,956 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,749 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.45 | 29,737 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,623 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,454 |
| US States with the Most Executions | 0 | - | 4.51 | 26,408 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 29,106 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 48,104 |
| Top 10 Least Happy U.S. States | 0 | - | 4.54 | 24,186 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,751 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,838 |
| 20 Most-Visited Places in Canada | 0 | - | 4.27 | 13,217 |
| Canadian Musical Acts by Two Songs | 0 | - | 4.03 | 28,744 |
| Canada Decoder | 0 | - | 4.07 | 18,738 |
| Name a Valid Answer - United States #2 | 0 | - | 4.16 | 27,387 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 214,777 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,758 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,650 |
| Australian Capitals | 0 | - | 4.92 | 62,760 |
| North America Cities by Map | 0 | - | 4.41 | 47,857 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,630 |
| Three Real and One Fake - U.S. Geography | 0 | - | 4.34 | 29,395 |
| California Multiple Choice | 0 | - | 4.40 | 28,127 |
| San Francisco Trivia | 0 | - | 4.32 | 15,712 |
| San Francisco A-Z | 0 | - | 4.18 | 9,583 |
| Florida Multiple Choice | 0 | - | 4.33 | 10,187 |
| Boston City Trivia | 0 | - | 4.38 | 24,180 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 41,690 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,354 |
| Official European Union Languages | 0 | - | 4.97 | 238,974 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,171 |
| Europe Map Quiz | 0 | - | 5.00 | 4,772,572 |
| Oceania Map Quiz | 0 | - | 4.98 | 654,495 |
| Three Real and One Fake - U.S. History | 0 | - | 4.33 | 25,795 |
| U.S. History Multiple Choice #2 | 0 | - | 4.32 | 25,093 |
| U.S. History Multiple Choice #1 | 0 | - | 4.31 | 22,263 |
| U.S. History Multiple Choice #4 | 0 | - | 4.24 | 25,622 |
| Top 10 Most Religious U.S. States | 0 | - | 4.32 | 19,383 |
| U.S. States with the Least Gun Ownership | 0 | - | 4.35 | 25,496 |
| Top 10 US States that Produce the Most Coal | 0 | - | 4.30 | 30,988 |
| U.S. States with Youngest Median Age | 0 | - | 4.32 | 20,614 |
| Top 10 U.S. States by Percent Born in State | 0 | - | 4.25 | 12,359 |
| Top 10 U.S. States by Percent Born out of State | 0 | - | 4.22 | 11,861 |
| U.S. States with the Most Workplace Fatalities | 0 | - | 4.09 | 9,579 |
| U.S. History Multiple Choice #5 | 0 | - | 4.26 | 11,569 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,217 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,449,854 |
| Asia Map Quiz | 0 | - | 4.99 | 920,041 |
| Africa Map Quiz | 0 | - | 5.00 | 2,122,325 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,987 |
| Australia Map Quiz | 0 | - | 4.95 | 345,268 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,284 |
| Pixelated Americas Map | 0 | - | 4.39 | 47,276 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,803 |
| South American Geography Quiz #2 | 0 | - | 4.37 | 40,812 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,648 |
| USA Tourist Attractions by Description #2 | 0 | - | 4.00 | 21,340 |
| American Inventions #1 | 0 | - | 3.63 | 31,515 |
| American Inventions #2 | 0 | - | 3.93 | 15,874 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,831 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,584 |
| Shrinking U.S. States | 0 | - | 4.38 | 40,384 |
| University of California Campuses | 0 | - | 3.84 | 8,925 |
| Famous Canadians Quiz | 0 | - | 3.94 | 23,417 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,874 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,747 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 28,072 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,655 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,140 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,122 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,757 |
| The Only European Country ... | 0 | - | 4.91 | 217,512 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,648 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,922 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,360 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,385,046 |
| Countries of Africa | 0 | - | 5.00 | 2,546,138 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,142 |
| African East Coast | 0 | - | 4.96 | 96,318 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,183 |
| Australian States and Territories | 0 | - | 4.96 | 142,287 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,373 |
| Australia True or False | 0 | - | 4.87 | 56,964 |
| Flags of North and South America | 0 | - | 4.99 | 374,532 |
| South American Physical Geography | 0 | - | 4.58 | 18,369 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,735 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,975 |
| European Countries Ending in "IA" | 0 | - | 4.96 | 68,607 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,436 |
| Sahel Countries on a Map | 0 | - | 4.99 | 21,358 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,249,234 |
| Celtic Nations | 0 | - | 4.69 | 47,003 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,331,112 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,964 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,474 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,490 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,384 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,578 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,535 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 173,372 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,695 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,613 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,448 |
| Slavic Countries | 0 | - | 4.96 | 111,928 |
