| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,442 |
| United States Map Quiz | 0 | - | 4.98 | 4,146,438 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,330 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,426 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,667 |
| South America Map Quiz | 0 | - | 5.00 | 1,543,450 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,015,707 |
| North America Map Quiz | 0 | - | 4.98 | 245,977 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,488 |
| Canada Provinces and Territories | 0 | - | 5.00 | 339,279 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 637,268 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,813 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,759 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,420 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 900,471 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,267 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,167 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,316 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,121 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,656 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,079 |
| 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 | 49,115 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,075 |
| States of Mexico | 0 | - | 4.95 | 174,219 |
| History of Mexico | 0 | - | 4.58 | 15,249 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,270 |
| Word Chain - South America | 0 | - | 4.51 | 23,805 |
| States of Brazil | 0 | - | 4.97 | 86,858 |
| Central American Countries | 0 | - | 4.98 | 155,403 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 146,537 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 527,288 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,081 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,068 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,329 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,241 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,688 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,185 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,827 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,022 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 210,585 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,936 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,624 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 217,690 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,429 |
| Famous People from South America | 0 | - | 4.15 | 21,844 |
| Canadian Musical Acts by Two Songs | 0 | - | 4.02 | 28,193 |
| Europe Map Quiz | 0 | - | 5.00 | 4,741,446 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,031 |
| Africa Map Quiz | 0 | - | 5.00 | 2,108,830 |
| Oceania Map Quiz | 0 | - | 4.98 | 637,554 |
| Australian Capitals | 0 | - | 4.92 | 62,641 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,623 |
| Famous Caribbean People | 0 | - | 4.37 | 12,579 |
| 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 | 39,456 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,861 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 51,890 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,627 |
| New York City Geography | 0 | - | 4.42 | 33,001 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,334 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,785 |
| Official European Union Languages | 0 | - | 4.97 | 237,434 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,188 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,108 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,443,057 |
| Asia Map Quiz | 0 | - | 4.99 | 909,710 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,142 |
| African East Coast | 0 | - | 4.96 | 95,384 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,248 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,082 |
| Largest Land Animals of the Americas | 0 | - | 4.38 | 20,214 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,475 |
| Native American Tribes in the US | 0 | - | 4.72 | 25,308 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,798 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,409 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,655 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,695 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,099 |
| The Only European Country ... | 0 | - | 4.91 | 214,780 |
| European Countries NOT in NATO | 0 | - | 4.87 | 60,084 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,643 |
| Name Every Beatles Song | 0 | - | 4.97 | 234,762 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 290,992 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 98,010 |
| Countries by National Anthem | 0 | - | 4.93 | 71,086 |
| Countries of Africa | 0 | - | 5.00 | 2,516,925 |
| Australia Map Quiz | 0 | - | 4.94 | 343,027 |
| Pixelated Americas Map | 0 | - | 4.39 | 46,925 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,655 |
| 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 | 99,166 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,168 |
| 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 | 23,850 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 40,869 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,409 |
| 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 | 74,980 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,256 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,501 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 90,481 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,500 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,234 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,078 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,710 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,229 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,966 |
| Celtic Nations | 0 | - | 4.69 | 46,857 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,378,483 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,584 |
| Flags of Africa Quiz | 0 | - | 5.00 | 465,796 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,040 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,811 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,570 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,739 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,561 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,011 |
| African Island Countries | 0 | - | 4.96 | 101,049 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 242,239 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 32,904 |
| Australian States and Territories | 0 | - | 4.96 | 141,229 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,102 |
| Australia True or False | 0 | - | 4.87 | 56,621 |
| Flags of North and South America | 0 | - | 4.99 | 369,334 |
| South American Physical Geography | 0 | - | 4.58 | 18,295 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,626 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,034 |
| 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 | 23,295 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,232,346 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,322,363 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,010 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,587 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,063 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,668 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,033 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,005 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,068 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,103 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,594 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,406 |
| Slavic Countries | 0 | - | 4.96 | 111,122 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,149 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,697 |
| Counties of England | 0 | - | 4.97 | 791,626 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,548 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,750 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 351,836 |
| Flags of Asia Quiz | 0 | - | 4.99 | 607,940 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,732 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,085 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,644 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,504 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,135 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,830 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,922 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 229,374 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,385 |
| Countries of the Middle East | 0 | - | 4.96 | 199,579 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,322 |
| States of India | 0 | - | 4.94 | 191,254 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,323 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,135 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,393 |
| The Only African Country ... | 0 | - | 4.98 | 128,612 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,884 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,309 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 320,082 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,619 |
| Flags of Oceania | 0 | - | 5.00 | 256,451 |
| 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 | 69,388 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,229 |
| Regions of New Zealand | 0 | - | 4.85 | 28,323 |
| The Only American Country ... | 0 | - | 4.92 | 121,069 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,618 |
| North America Capitals Quiz | 0 | - | 4.99 | 217,842 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,071 |
| Which Island in the United States? | 0 | - | 4.29 | 29,279 |
| American Foods | 0 | - | 3.66 | 39,316 |
| 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 | 24,225 |
| 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 | 24,670 |
