| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,315 |
| South America Map Quiz | 0 | - | 5.00 | 1,542,539 |
| Word Chain - South America | 0 | - | 4.51 | 23,786 |
| United States Map Quiz | 0 | - | 4.98 | 4,144,878 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,236 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,309 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,463 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,014,343 |
| North America Map Quiz | 0 | - | 4.98 | 245,516 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,450 |
| Canada Provinces and Territories | 0 | - | 5.00 | 338,806 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 636,830 |
| 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 | 31,403 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 900,259 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,170 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,023 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,208 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,064 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,533 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,008 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,220 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,597 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,009 |
| States of Mexico | 0 | - | 4.95 | 173,907 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.91 | 53,168 |
| States of Brazil | 0 | - | 4.98 | 86,719 |
| Central American Countries | 0 | - | 4.98 | 155,259 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 146,336 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,077 |
| History of Mexico | 0 | - | 4.58 | 15,244 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,863 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,610 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,001 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,232 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,185 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,617 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,146 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,761 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.84 | 66,956 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,805 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 217,360 |
| 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 | 277,721 |
| Australian Capitals | 0 | - | 4.92 | 62,612 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,612 |
| 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 | 52,203 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.78 | 39,432 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,755 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 51,837 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,554 |
| New York City Geography | 0 | - | 4.42 | 32,975 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,299 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,723 |
| Official European Union Languages | 0 | - | 4.97 | 237,236 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,078 |
| Europe Map Quiz | 0 | - | 5.00 | 4,737,842 |
| Africa Map Quiz | 0 | - | 5.00 | 2,106,878 |
| Oceania Map Quiz | 0 | - | 4.98 | 636,694 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,417 |
| Native American Tribes in the US | 0 | - | 4.72 | 25,291 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,811 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,442,389 |
| Asia Map Quiz | 0 | - | 4.99 | 908,636 |
| Countries of Africa | 0 | - | 5.00 | 2,513,629 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,984 |
| African East Coast | 0 | - | 4.96 | 95,248 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,134 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,003 |
| Australia Map Quiz | 0 | - | 4.94 | 342,834 |
| Largest Land Animals of the Americas | 0 | - | 4.38 | 20,208 |
| Pixelated Americas Map | 0 | - | 4.39 | 46,885 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,638 |
| 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 | 52,550 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 40,845 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,378 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.70 | 32,838 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,460 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 74,945 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,238 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,465 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 90,408 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,452 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,206 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 81,995 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,673 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,218 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,567 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,362 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,434 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,731 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,613 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,923 |
| The Only European Country ... | 0 | - | 4.91 | 214,432 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,913 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,616 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,840 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,377,514 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,523 |
| Flags of Africa Quiz | 0 | - | 5.00 | 464,841 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,874 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,716 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,469 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,644 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,388 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,821 |
| African Island Countries | 0 | - | 4.96 | 100,948 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,996 |
| Australian States and Territories | 0 | - | 4.96 | 141,123 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,070 |
| Australia True or False | 0 | - | 4.87 | 56,579 |
| Flags of North and South America | 0 | - | 4.99 | 368,656 |
| 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 | 33,024 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.67 | 44,991 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,044 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,112 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,582 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,262 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,230,232 |
| Celtic Nations | 0 | - | 4.69 | 46,839 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,321,515 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,910 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,486 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,821 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,620 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,961 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,351 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,692 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,908 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,468 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,355 |
| Slavic Countries | 0 | - | 4.96 | 111,028 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,113 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,631 |
| Counties of England | 0 | - | 4.97 | 790,610 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 351,086 |
| Flags of Asia Quiz | 0 | - | 4.99 | 607,087 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,474 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,965 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,562 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,417 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,988 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,691 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,840 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 229,115 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,304 |
| Countries of the Middle East | 0 | - | 4.96 | 199,325 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,297 |
| States of India | 0 | - | 4.94 | 190,940 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,243 |
| 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 | 128,489 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,834 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,235 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,700 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,524 |
| Flags of Oceania | 0 | - | 5.00 | 256,036 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,038 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,598 |
| Australia Country Quiz | 0 | - | 4.43 | 69,358 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,162 |
| Regions of New Zealand | 0 | - | 4.85 | 28,279 |
| The Only American Country ... | 0 | - | 4.92 | 120,919 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,469 |
| Places Mentioned in the Song "Kokomo" | 0 | - | 4.44 | 16,973 |
| North America Capitals Quiz | 0 | - | 4.99 | 217,526 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,059 |
| Which Island in the United States? | 0 | - | 4.29 | 29,239 |
| 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 | 32,055 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.26 | 14,680 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,225 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,819 |
| 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 | 16,736,041 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 41,595 |
| 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 | 44,197 |
| 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 | 47,694 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.40 | 40,092 |
