| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,247 |
| South America Map Quiz | 0 | - | 5.00 | 1,541,940 |
| Word Chain - South America | 0 | - | 4.51 | 23,769 |
| United States Map Quiz | 0 | - | 4.98 | 4,143,460 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,193 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,240 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,355 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,013,001 |
| North America Map Quiz | 0 | - | 4.98 | 244,887 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,404 |
| Canada Provinces and Territories | 0 | - | 5.00 | 338,384 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 636,416 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,693 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,755 |
| Famous People from South America | 0 | - | 4.15 | 21,802 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,371 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 900,020 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,082 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,958 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,104 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,014 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,452 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,937 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,133 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,548 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 91,968 |
| States of Mexico | 0 | - | 4.95 | 173,611 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,069 |
| States of Brazil | 0 | - | 4.98 | 86,549 |
| Central American Countries | 0 | - | 4.98 | 155,165 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 146,128 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,044 |
| History of Mexico | 0 | - | 4.58 | 15,238 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,638 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,599 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,949 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 158,970 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,133 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,553 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,103 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,710 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.84 | 66,888 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,690 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 217,042 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,387 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,916 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,266 |
| Australian Capitals | 0 | - | 4.92 | 62,599 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,603 |
| Famous Caribbean People | 0 | - | 4.37 | 12,570 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 23,945 |
| Territories of the United States | 0 | - | 4.79 | 52,175 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.78 | 39,415 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,656 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 51,793 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,499 |
| New York City Geography | 0 | - | 4.42 | 32,954 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,262 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,650 |
| Official European Union Languages | 0 | - | 4.97 | 237,084 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,854 |
| Europe Map Quiz | 0 | - | 5.00 | 4,734,461 |
| Africa Map Quiz | 0 | - | 5.00 | 2,105,704 |
| Oceania Map Quiz | 0 | - | 4.98 | 636,050 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,365 |
| Native American Tribes in the US | 0 | - | 4.72 | 25,279 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,535 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,441,863 |
| Asia Map Quiz | 0 | - | 4.99 | 907,859 |
| Countries of Africa | 0 | - | 5.00 | 2,510,762 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,899 |
| African East Coast | 0 | - | 4.96 | 95,147 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,021 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,909 |
| Australia Map Quiz | 0 | - | 4.94 | 342,680 |
| Largest Land Animals of the Americas | 0 | - | 4.38 | 20,204 |
| Pixelated Americas Map | 0 | - | 4.40 | 46,854 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,624 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,208 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,481 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,123 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,115 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,641 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,534 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 40,821 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,352 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.70 | 32,813 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,436 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 74,915 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,228 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,445 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 90,343 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,415 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,175 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 81,937 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,626 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,203 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,340 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,257 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,217 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,536 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,574 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,733 |
| The Only European Country ... | 0 | - | 4.91 | 214,125 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,747 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,589 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,595 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,376,703 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,476 |
| Flags of Africa Quiz | 0 | - | 5.00 | 464,174 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,753 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,649 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,375 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,562 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,271 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,614 |
| African Island Countries | 0 | - | 4.96 | 100,873 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,850 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 32,781 |
| Australian States and Territories | 0 | - | 4.96 | 141,008 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,042 |
| Australia True or False | 0 | - | 4.87 | 56,545 |
| Flags of North and South America | 0 | - | 4.99 | 368,070 |
| South American Physical Geography | 0 | - | 4.58 | 18,280 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,609 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,008 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.67 | 44,978 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,030 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,105 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,540 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,254 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,228,554 |
| Celtic Nations | 0 | - | 4.69 | 46,830 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,320,715 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,799 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,396 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,582 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,553 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,917 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,083 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,234 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,686 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,369 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,286 |
| Slavic Countries | 0 | - | 4.96 | 110,941 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,073 |
| Counties of England | 0 | - | 4.97 | 789,957 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 350,531 |
| Flags of Asia Quiz | 0 | - | 4.99 | 606,370 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,418 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,886 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,486 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,339 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,867 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,604 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,770 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,958 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,238 |
| Countries of the Middle East | 0 | - | 4.96 | 199,144 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,270 |
| States of India | 0 | - | 4.94 | 190,571 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,197 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,026 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,289 |
| The Only African Country ... | 0 | - | 4.98 | 128,423 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,809 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,158 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,535 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,231 |
| Flags of Oceania | 0 | - | 5.00 | 255,690 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 26,957 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,514 |
| Australia Country Quiz | 0 | - | 4.43 | 69,329 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,110 |
| Regions of New Zealand | 0 | - | 4.85 | 28,238 |
| The Only American Country ... | 0 | - | 4.92 | 120,843 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,415 |
| Places Mentioned in the Song "Kokomo" | 0 | - | 4.44 | 16,971 |
| North America Capitals Quiz | 0 | - | 4.99 | 217,205 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,044 |
| Which Island in the United States? | 0 | - | 4.29 | 29,192 |
| American Foods | 0 | - | 3.66 | 39,288 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,111 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.94 | 31,939 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.26 | 14,670 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,210 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,810 |
| Old West History | 0 | - | 4.33 | 15,229 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,496 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,859 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,652 |
| US States Quiz | 0 | - | 5.00 | 16,719,320 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 41,588 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.44 | 29,592 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,394 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,183 |
| US States with the Most Executions | 0 | - | 4.51 | 26,353 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 28,937 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 47,660 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.40 | 40,081 |
