| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,312 |
| South America Map Quiz | 0 | - | 5.00 | 1,542,523 |
| Word Chain - South America | 0 | - | 4.51 | 23,785 |
| United States Map Quiz | 0 | - | 4.98 | 4,144,825 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,234 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,303 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,459 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,014,308 |
| North America Map Quiz | 0 | - | 4.98 | 245,487 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,446 |
| Canada Provinces and Territories | 0 | - | 5.00 | 338,791 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 636,812 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,748 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,757 |
| Famous People from South America | 0 | - | 4.15 | 21,826 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,399 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 900,244 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,168 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,016 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,206 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,061 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,529 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,004 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,212 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,594 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,009 |
| States of Mexico | 0 | - | 4.95 | 173,890 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,160 |
| States of Brazil | 0 | - | 4.98 | 86,712 |
| Central American Countries | 0 | - | 4.98 | 155,252 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 146,327 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,075 |
| History of Mexico | 0 | - | 4.58 | 15,244 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,854 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,610 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,998 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,230 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,182 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,615 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,145 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,758 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.84 | 66,954 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,800 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 217,344 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,409 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,954 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,587 |
| Australian Capitals | 0 | - | 4.92 | 62,612 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,611 |
| Famous Caribbean People | 0 | - | 4.37 | 12,572 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 23,953 |
| Territories of the United States | 0 | - | 4.79 | 52,202 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.78 | 39,431 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,753 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 51,835 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,550 |
| New York City Geography | 0 | - | 4.42 | 32,974 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,298 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,720 |
| Official European Union Languages | 0 | - | 4.97 | 237,234 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,073 |
| Europe Map Quiz | 0 | - | 5.00 | 4,737,713 |
| Africa Map Quiz | 0 | - | 5.00 | 2,106,837 |
| Oceania Map Quiz | 0 | - | 4.98 | 636,657 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,414 |
| Native American Tribes in the US | 0 | - | 4.72 | 25,290 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,796 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,442,332 |
| Asia Map Quiz | 0 | - | 4.99 | 908,610 |
| Countries of Africa | 0 | - | 5.00 | 2,513,482 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,979 |
| African East Coast | 0 | - | 4.96 | 95,246 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,129 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,002 |
| Australia Map Quiz | 0 | - | 4.94 | 342,820 |
| Largest Land Animals of the Americas | 0 | - | 4.38 | 20,207 |
| Pixelated Americas Map | 0 | - | 4.39 | 46,884 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,637 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,226 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,494 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,142 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,135 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,661 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,549 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 40,845 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,377 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.70 | 32,835 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,460 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 74,943 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,238 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,463 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 90,408 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,449 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,203 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 81,990 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,671 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,217 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,560 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,362 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,427 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,719 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,612 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,911 |
| The Only European Country ... | 0 | - | 4.91 | 214,417 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,910 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,616 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,831 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,377,460 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,523 |
| Flags of Africa Quiz | 0 | - | 5.00 | 464,823 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,871 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,715 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,464 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,640 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,382 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,813 |
| African Island Countries | 0 | - | 4.96 | 100,939 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,989 |
| Australian States and Territories | 0 | - | 4.96 | 141,115 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,070 |
| Australia True or False | 0 | - | 4.87 | 56,576 |
| Flags of North and South America | 0 | - | 4.99 | 368,636 |
| South American Physical Geography | 0 | - | 4.58 | 18,290 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,617 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,022 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.67 | 44,990 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,044 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,111 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,579 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,262 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,230,172 |
| Celtic Nations | 0 | - | 4.69 | 46,839 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,321,476 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,896 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,483 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,812 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,618 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,960 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,318 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,684 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,899 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,462 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,353 |
| Slavic Countries | 0 | - | 4.96 | 111,024 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,110 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,631 |
| Counties of England | 0 | - | 4.97 | 790,597 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 351,073 |
| Flags of Asia Quiz | 0 | - | 4.99 | 607,056 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,473 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,960 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,560 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,415 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,986 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,687 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,838 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 229,106 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,302 |
| Countries of the Middle East | 0 | - | 4.96 | 199,317 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,296 |
| States of India | 0 | - | 4.94 | 190,914 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,239 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,044 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,330 |
| The Only African Country ... | 0 | - | 4.99 | 128,482 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,834 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,233 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,691 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,519 |
| Flags of Oceania | 0 | - | 5.00 | 256,026 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,038 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,590 |
| Australia Country Quiz | 0 | - | 4.43 | 69,356 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,155 |
| Regions of New Zealand | 0 | - | 4.85 | 28,278 |
| The Only American Country ... | 0 | - | 4.92 | 120,913 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,467 |
| Places Mentioned in the Song "Kokomo" | 0 | - | 4.44 | 16,973 |
| North America Capitals Quiz | 0 | - | 4.99 | 217,499 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,059 |
| Which Island in the United States? | 0 | - | 4.29 | 29,236 |
| American Foods | 0 | - | 3.66 | 39,305 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,115 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.94 | 32,051 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.26 | 14,679 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,225 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,818 |
| Old West History | 0 | - | 4.33 | 15,234 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,498 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,867 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,659 |
| US States Quiz | 0 | - | 5.00 | 16,735,442 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 41,594 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.44 | 29,603 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,416 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,196 |
| US States with the Most Executions | 0 | - | 4.51 | 26,356 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 28,951 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 47,691 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.40 | 40,092 |
