| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,534 |
| South America Map Quiz | 0 | - | 5.00 | 1,544,494 |
| Word Chain - South America | 0 | - | 4.51 | 23,832 |
| United States Map Quiz | 0 | - | 4.98 | 4,148,339 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,398 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,509 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,802 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,017,205 |
| North America Map Quiz | 0 | - | 4.98 | 246,511 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,539 |
| Canada Provinces and Territories | 0 | - | 5.00 | 339,821 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 637,799 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,861 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,760 |
| Famous People from South America | 0 | - | 4.15 | 21,871 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,444 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 900,727 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,377 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,292 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,473 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,198 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,815 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,161 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,448 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,689 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,129 |
| States of Mexico | 0 | - | 4.95 | 174,657 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,371 |
| States of Brazil | 0 | - | 4.97 | 87,142 |
| Central American Countries | 0 | - | 4.98 | 155,514 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 146,830 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,142 |
| History of Mexico | 0 | - | 4.58 | 15,260 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 527,754 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,640 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,199 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,527 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,372 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,859 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,325 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,980 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,196 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,364 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 218,141 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,446 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,130 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,146 |
| Australian Capitals | 0 | - | 4.92 | 62,657 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,639 |
| Famous Caribbean People | 0 | - | 4.37 | 12,592 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 23,985 |
| Territories of the United States | 0 | - | 4.79 | 52,250 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.78 | 39,490 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,969 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 51,936 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,694 |
| New York City Geography | 0 | - | 4.42 | 33,020 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,374 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,847 |
| Official European Union Languages | 0 | - | 4.97 | 237,646 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,308 |
| Europe Map Quiz | 0 | - | 5.00 | 4,745,627 |
| Africa Map Quiz | 0 | - | 5.00 | 2,110,530 |
| Oceania Map Quiz | 0 | - | 4.98 | 638,526 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,539 |
| Native American Tribes in the US | 0 | - | 4.72 | 25,329 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,539 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,443,879 |
| Asia Map Quiz | 0 | - | 4.99 | 910,862 |
| Countries of Africa | 0 | - | 5.00 | 2,521,184 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,250 |
| African East Coast | 0 | - | 4.96 | 95,515 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,357 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,194 |
| Australia Map Quiz | 0 | - | 4.94 | 343,254 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,224 |
| Pixelated Americas Map | 0 | - | 4.39 | 46,974 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,671 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,258 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,519 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,361 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,200 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,678 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,568 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 40,890 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,459 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.70 | 32,894 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,513 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,017 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,281 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,549 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 90,574 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,570 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,271 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,174 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,780 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.42 | 46,220 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,242 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,066 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,464 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,911 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,203 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,744 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,299 |
| The Only European Country ... | 0 | - | 4.91 | 215,109 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,300 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,667 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 98,184 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,379,076 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,642 |
| Flags of Africa Quiz | 0 | - | 5.00 | 466,804 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,211 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,888 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,675 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,832 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,741 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,200 |
| African Island Countries | 0 | - | 4.96 | 101,150 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 242,616 |
| Australian States and Territories | 0 | - | 4.96 | 141,354 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,134 |
| Australia True or False | 0 | - | 4.87 | 56,670 |
| Flags of North and South America | 0 | - | 4.99 | 370,097 |
| South American Physical Geography | 0 | - | 4.58 | 18,308 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,646 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,046 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.67 | 45,034 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,080 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,141 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,679 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,316 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,234,452 |
| Celtic Nations | 0 | - | 4.69 | 46,871 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,323,403 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,139 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,691 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,398 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,754 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,096 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,285 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,442 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,294 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,731 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,520 |
| Slavic Countries | 0 | - | 4.96 | 111,244 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,195 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,740 |
| Counties of England | 0 | - | 4.97 | 792,477 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 352,462 |
| Flags of Asia Quiz | 0 | - | 4.99 | 609,036 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,815 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,225 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,725 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,578 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,302 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,968 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,022 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 229,583 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,512 |
| Countries of the Middle East | 0 | - | 4.96 | 199,836 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,357 |
| States of India | 0 | - | 4.94 | 191,709 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,385 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,202 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,459 |
| The Only African Country ... | 0 | - | 4.99 | 128,696 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,930 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,403 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 320,693 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,712 |
| Flags of Oceania | 0 | - | 5.00 | 256,957 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,122 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,844 |
| Australia Country Quiz | 0 | - | 4.43 | 69,431 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,294 |
| Regions of New Zealand | 0 | - | 4.85 | 28,398 |
| The Only American Country ... | 0 | - | 4.92 | 121,163 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,721 |
| Places Mentioned in the Song "Kokomo" | 0 | - | 4.44 | 16,989 |
| North America Capitals Quiz | 0 | - | 4.99 | 218,179 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,078 |
| Which Island in the United States? | 0 | - | 4.29 | 29,321 |
| American Foods | 0 | - | 3.66 | 39,324 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,119 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.94 | 32,160 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.26 | 14,698 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,252 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,843 |
| Old West History | 0 | - | 4.33 | 15,241 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,508 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,890 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,686 |
| US States Quiz | 0 | - | 5.00 | 16,778,088 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 41,612 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.44 | 29,630 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,459 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,257 |
| US States with the Most Executions | 0 | - | 4.51 | 26,368 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 28,983 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 47,789 |
