| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,437 |
| United States Map Quiz | 0 | - | 4.98 | 4,146,379 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,327 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,420 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,661 |
| South America Map Quiz | 0 | - | 5.00 | 1,543,411 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,015,655 |
| North America Map Quiz | 0 | - | 4.98 | 245,964 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,487 |
| Canada Provinces and Territories | 0 | - | 5.00 | 339,256 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 637,244 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,812 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,759 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,419 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 900,460 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,266 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,161 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,314 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,119 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,653 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,073 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,314 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,637 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,114 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,071 |
| States of Mexico | 0 | - | 4.95 | 174,208 |
| History of Mexico | 0 | - | 4.58 | 15,249 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,266 |
| Word Chain - South America | 0 | - | 4.51 | 23,803 |
| States of Brazil | 0 | - | 4.97 | 86,850 |
| Central American Countries | 0 | - | 4.98 | 155,398 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 146,523 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 527,270 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,067 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,056 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,322 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,235 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,683 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,180 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,815 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,013 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 210,564 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,923 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,622 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 217,678 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,429 |
| Famous People from South America | 0 | - | 4.15 | 21,843 |
| Canadian Musical Acts by Two Songs | 0 | - | 4.02 | 28,189 |
| Europe Map Quiz | 0 | - | 5.00 | 4,741,273 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,025 |
| Africa Map Quiz | 0 | - | 5.00 | 2,108,723 |
| Oceania Map Quiz | 0 | - | 4.98 | 637,541 |
| Australian Capitals | 0 | - | 4.92 | 62,638 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,622 |
| Famous Caribbean People | 0 | - | 4.37 | 12,578 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 23,967 |
| Territories of the United States | 0 | - | 4.79 | 52,225 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.78 | 39,454 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,854 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 51,885 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,623 |
| New York City Geography | 0 | - | 4.42 | 32,999 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,332 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,782 |
| Official European Union Languages | 0 | - | 4.97 | 237,424 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,182 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,097 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,443,044 |
| Asia Map Quiz | 0 | - | 4.99 | 909,667 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,134 |
| African East Coast | 0 | - | 4.96 | 95,380 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,245 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,078 |
| Largest Land Animals of the Americas | 0 | - | 4.38 | 20,214 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,472 |
| Native American Tribes in the US | 0 | - | 4.72 | 25,308 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,785 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,409 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,641 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,692 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,096 |
| The Only European Country ... | 0 | - | 4.91 | 214,766 |
| European Countries NOT in NATO | 0 | - | 4.87 | 60,079 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,640 |
| Name Every Beatles Song | 0 | - | 4.97 | 234,742 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 290,986 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 98,007 |
| Countries by National Anthem | 0 | - | 4.93 | 71,086 |
| Countries of Africa | 0 | - | 5.00 | 2,516,783 |
| Australia Map Quiz | 0 | - | 4.94 | 343,012 |
| Pixelated Americas Map | 0 | - | 4.39 | 46,922 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,654 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,240 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,507 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,163 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,167 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,671 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,558 |
| 75 Americans Named John | 0 | - | 4.41 | 23,849 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 40,869 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,408 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.70 | 32,862 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,481 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 74,979 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,255 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,499 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 90,480 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,500 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,231 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,077 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,708 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,229 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,950 |
| Celtic Nations | 0 | - | 4.69 | 46,856 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,378,469 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,583 |
| Flags of Africa Quiz | 0 | - | 5.00 | 465,732 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,032 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,805 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,561 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,735 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,545 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,002 |
| African Island Countries | 0 | - | 4.96 | 101,047 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 242,231 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 32,898 |
| Australian States and Territories | 0 | - | 4.96 | 141,225 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,100 |
| Australia True or False | 0 | - | 4.87 | 56,617 |
| Flags of North and South America | 0 | - | 4.99 | 369,292 |
| South American Physical Geography | 0 | - | 4.58 | 18,295 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,624 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,033 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.67 | 45,012 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,062 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,124 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,622 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,290 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,232,205 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,322,310 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,005 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,582 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,048 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,663 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,024 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,986 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,050 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,096 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,590 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,403 |
| Slavic Countries | 0 | - | 4.96 | 111,121 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,147 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,695 |
| Counties of England | 0 | - | 4.97 | 791,560 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,546 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,746 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 351,781 |
| Flags of Asia Quiz | 0 | - | 4.99 | 607,896 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,731 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,079 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,641 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,502 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,121 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,821 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,919 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 229,357 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,382 |
| Countries of the Middle East | 0 | - | 4.96 | 199,570 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,320 |
| States of India | 0 | - | 4.94 | 191,234 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,319 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,134 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,391 |
| The Only African Country ... | 0 | - | 4.98 | 128,605 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,880 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,304 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 320,016 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,614 |
| Flags of Oceania | 0 | - | 5.00 | 256,426 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,079 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,702 |
| Australia Country Quiz | 0 | - | 4.43 | 69,386 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,228 |
| Regions of New Zealand | 0 | - | 4.85 | 28,320 |
| The Only American Country ... | 0 | - | 4.92 | 121,068 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,614 |
| North America Capitals Quiz | 0 | - | 4.99 | 217,831 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,070 |
| Which Island in the United States? | 0 | - | 4.29 | 29,278 |
| American Foods | 0 | - | 3.66 | 39,315 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,117 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.94 | 32,109 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.26 | 14,689 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,242 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,831 |
| Branches of the U.S. Military | 0 | - | 4.40 | 24,224 |
| Old West History | 0 | - | 4.33 | 15,235 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,504 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,877 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,667 |
