| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,588 |
| South America Map Quiz | 0 | - | 5.00 | 1,545,310 |
| Word Chain - South America | 0 | - | 4.51 | 23,844 |
| United States Map Quiz | 0 | - | 4.98 | 4,149,468 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,429 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,573 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,971 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,018,061 |
| North America Map Quiz | 0 | - | 4.98 | 246,846 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,573 |
| Canada Provinces and Territories | 0 | - | 5.00 | 340,168 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 638,104 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,910 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,761 |
| Famous People from South America | 0 | - | 4.15 | 21,889 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,474 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 901,011 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,491 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,351 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,572 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,243 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,921 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,204 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,522 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,715 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,173 |
| States of Mexico | 0 | - | 4.95 | 174,931 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,429 |
| States of Brazil | 0 | - | 4.97 | 87,250 |
| Central American Countries | 0 | - | 4.98 | 155,604 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 147,048 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,154 |
| History of Mexico | 0 | - | 4.58 | 15,269 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 528,004 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,654 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,249 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,597 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,406 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,909 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,351 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,010 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,246 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,496 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 218,407 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,458 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,188 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,297 |
| Australian Capitals | 0 | - | 4.92 | 62,669 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,646 |
| Famous Caribbean People | 0 | - | 4.37 | 12,596 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 23,992 |
| Territories of the United States | 0 | - | 4.79 | 52,269 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,507 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,052 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 51,982 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,743 |
| New York City Geography | 0 | - | 4.42 | 33,032 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,421 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,882 |
| Official European Union Languages | 0 | - | 4.97 | 237,769 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,390 |
| Europe Map Quiz | 0 | - | 5.00 | 4,748,226 |
| Africa Map Quiz | 0 | - | 5.00 | 2,111,582 |
| Oceania Map Quiz | 0 | - | 4.98 | 638,988 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,578 |
| Native American Tribes in the US | 0 | - | 4.72 | 25,348 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,747 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,444,475 |
| Asia Map Quiz | 0 | - | 4.99 | 911,656 |
| Countries of Africa | 0 | - | 5.00 | 2,523,323 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,346 |
| African East Coast | 0 | - | 4.96 | 95,593 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,418 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,251 |
| Australia Map Quiz | 0 | - | 4.94 | 343,409 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,228 |
| Pixelated Americas Map | 0 | - | 4.39 | 47,003 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,678 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,274 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,535 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,383 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,216 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,682 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,578 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 40,907 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,484 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.72 | 32,918 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,526 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,044 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,298 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,574 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 90,626 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,615 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,293 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,237 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,821 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 46,496 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,261 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,249 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,501 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,084 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,393 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,777 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,423 |
| The Only European Country ... | 0 | - | 4.91 | 215,346 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,440 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,688 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 98,288 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,379,557 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,710 |
| Flags of Africa Quiz | 0 | - | 5.00 | 467,397 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,329 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,962 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,758 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,888 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,841 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,310 |
| African Island Countries | 0 | - | 4.96 | 101,223 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 242,722 |
| Australian States and Territories | 0 | - | 4.96 | 141,442 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,161 |
| Australia True or False | 0 | - | 4.87 | 56,700 |
| Flags of North and South America | 0 | - | 4.99 | 370,619 |
| South American Physical Geography | 0 | - | 4.58 | 18,316 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,663 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,055 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.67 | 45,049 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,092 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,156 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,710 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,326 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,235,891 |
| Celtic Nations | 0 | - | 4.69 | 46,880 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,324,022 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,214 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,757 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,599 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,819 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,141 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,485 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,722 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,455 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,812 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,572 |
| Slavic Countries | 0 | - | 4.96 | 111,311 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,213 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 31,791 |
| Counties of England | 0 | - | 4.97 | 793,081 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 352,908 |
| Flags of Asia Quiz | 0 | - | 4.99 | 609,577 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,886 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,292 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,778 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,629 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,387 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,047 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,085 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 229,677 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,586 |
| Countries of the Middle East | 0 | - | 4.96 | 199,989 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,373 |
| States of India | 0 | - | 4.94 | 191,892 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,424 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,214 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,508 |
| The Only African Country ... | 0 | - | 4.99 | 128,760 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,952 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,466 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 320,877 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,782 |
| Flags of Oceania | 0 | - | 5.00 | 257,256 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,155 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,939 |
| Australia Country Quiz | 0 | - | 4.43 | 69,460 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,344 |
| Regions of New Zealand | 0 | - | 4.85 | 28,419 |
| The Only American Country ... | 0 | - | 4.92 | 121,219 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,773 |
| Places Mentioned in the Song "Kokomo" | 0 | - | 4.44 | 16,995 |
| North America Capitals Quiz | 0 | - | 4.99 | 218,431 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,084 |
| Which Island in the United States? | 0 | - | 4.29 | 29,353 |
| American Foods | 0 | - | 3.66 | 39,333 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,121 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.95 | 32,189 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.26 | 14,703 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,260 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,848 |
| Old West History | 0 | - | 4.33 | 15,244 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,510 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,897 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,692 |
| US States Quiz | 0 | - | 5.00 | 16,791,640 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 41,617 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.44 | 29,643 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,482 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,284 |
| US States with the Most Executions | 0 | - | 4.51 | 26,374 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 28,996 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 47,833 |
