| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,786 |
| South America Map Quiz | 0 | - | 5.00 | 1,547,437 |
| Word Chain - South America | 0 | - | 4.51 | 23,874 |
| United States Map Quiz | 0 | - | 4.98 | 4,154,209 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,514 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,096 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,371 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,020,707 |
| North America Map Quiz | 0 | - | 4.98 | 247,752 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,659 |
| Canada Provinces and Territories | 0 | - | 5.00 | 341,445 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 639,238 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,048 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,768 |
| Famous People from South America | 0 | - | 4.15 | 21,919 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,520 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 901,545 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,722 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,557 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,879 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,364 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,186 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,337 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,743 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,824 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,347 |
| States of Mexico | 0 | - | 4.95 | 175,528 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,675 |
| States of Brazil | 0 | - | 4.97 | 87,681 |
| Central American Countries | 0 | - | 4.98 | 155,905 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 147,938 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,202 |
| History of Mexico | 0 | - | 4.58 | 15,291 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 528,835 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,698 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,393 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,785 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,550 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,049 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,429 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,121 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,383 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,907 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 219,235 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,501 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,389 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,707 |
| Australian Capitals | 0 | - | 4.92 | 62,696 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,668 |
| Famous Caribbean People | 0 | - | 4.37 | 12,604 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 24,014 |
| Territories of the United States | 0 | - | 4.79 | 52,335 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,580 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,273 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,081 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,857 |
| New York City Geography | 0 | - | 4.42 | 33,058 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,522 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,004 |
| Official European Union Languages | 0 | - | 4.97 | 238,156 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,631 |
| Europe Map Quiz | 0 | - | 5.00 | 4,756,028 |
| Africa Map Quiz | 0 | - | 5.00 | 2,114,920 |
| Oceania Map Quiz | 0 | - | 4.98 | 640,700 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,710 |
| Native American Tribes in the US | 0 | - | 4.72 | 25,448 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,574 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,446,744 |
| Asia Map Quiz | 0 | - | 4.99 | 914,657 |
| Countries of Africa | 0 | - | 5.00 | 2,530,529 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,629 |
| African East Coast | 0 | - | 4.96 | 95,841 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,642 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,476 |
| Australia Map Quiz | 0 | - | 4.95 | 343,865 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,249 |
| Pixelated Americas Map | 0 | - | 4.39 | 47,088 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,716 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,313 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,559 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,427 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,257 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,694 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,603 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 40,963 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,578 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.72 | 32,982 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,586 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,126 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,340 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,625 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 90,765 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,736 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,358 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,401 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,898 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 46,828 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,295 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,784 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,584 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,579 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,002 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,889 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,862 |
| The Only European Country ... | 0 | - | 4.91 | 216,028 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,792 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,763 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,661 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,381,319 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,875 |
| Flags of Africa Quiz | 0 | - | 5.00 | 469,413 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,677 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,399 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,021 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,096 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,198 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,713 |
| African Island Countries | 0 | - | 4.96 | 101,444 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,079 |
| Australian States and Territories | 0 | - | 4.96 | 141,710 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,234 |
| Australia True or False | 0 | - | 4.87 | 56,779 |
| Flags of North and South America | 0 | - | 4.99 | 372,017 |
| South American Physical Geography | 0 | - | 4.58 | 18,330 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,690 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,092 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.61 | 45,094 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,133 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,194 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,795 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,363 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,240,282 |
| Celtic Nations | 0 | - | 4.69 | 46,909 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,464 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,443 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,987 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,202 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,996 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,260 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,005 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 170,715 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,820 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,022 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,756 |
| Slavic Countries | 0 | - | 4.96 | 111,502 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,290 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,879 |
| Counties of England | 0 | - | 4.97 | 794,979 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 354,461 |
| Flags of Asia Quiz | 0 | - | 4.99 | 611,558 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,097 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,544 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,984 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,824 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,673 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,292 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,270 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,022 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 49,764 |
| Countries of the Middle East | 0 | - | 4.96 | 200,768 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,442 |
| States of India | 0 | - | 4.94 | 192,677 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,535 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,291 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,656 |
| The Only African Country ... | 0 | - | 4.98 | 128,951 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,063 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,668 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 321,588 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,006 |
| Flags of Oceania | 0 | - | 5.00 | 258,249 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,261 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 145,200 |
| Australia Country Quiz | 0 | - | 4.43 | 69,531 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,465 |
| Regions of New Zealand | 0 | - | 4.85 | 28,463 |
| The Only American Country ... | 0 | - | 4.92 | 121,413 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,949 |
| Places Mentioned in the Song "Kokomo" | 0 | - | 4.44 | 17,010 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,118 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,103 |
| Which Island in the United States? | 0 | - | 4.29 | 29,431 |
| American Foods | 0 | - | 3.66 | 39,358 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,128 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.95 | 32,224 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.26 | 14,731 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,298 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,871 |
| Old West History | 0 | - | 4.33 | 15,259 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,517 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,916 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,707 |
| US States Quiz | 0 | - | 5.00 | 16,834,397 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 41,641 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.45 | 29,668 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,519 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,339 |
| US States with the Most Executions | 0 | - | 4.51 | 26,385 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 29,038 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 47,924 |
