| North America Map Quiz | 0 | - | 4.98 | 246,094 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,502 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,825 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,427 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,192 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,627 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 217,781 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,056 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,434 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,341 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,446 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,647 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,419 |
| Native American Tribes in the US | 0 | - | 4.72 | 25,311 |
| States of Mexico | 0 | - | 4.95 | 174,323 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,457 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,287 |
| States of Brazil | 0 | - | 4.97 | 86,899 |
| North American Physical Geography | 0 | - | 4.35 | 30,375 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,422 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,175 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,559 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 40,876 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,119 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,633 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 527,348 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,187 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,633 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,717 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 210,680 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,993 |
| The U.S. Pledge of Allegiance | 0 | - | 3.98 | 18,317 |
| Europe Map Quiz | 0 | - | 5.00 | 4,742,260 |
| Africa Map Quiz | 0 | - | 5.00 | 2,109,233 |
| Oceania Map Quiz | 0 | - | 4.98 | 637,738 |
| Australian Capitals | 0 | - | 4.92 | 62,642 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,759 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,798 |
| Official European Union Languages | 0 | - | 4.97 | 237,488 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,216 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,212 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,443,303 |
| Asia Map Quiz | 0 | - | 4.99 | 909,937 |
| Countries of Africa | 0 | - | 5.00 | 2,517,741 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,163 |
| African East Coast | 0 | - | 4.96 | 95,413 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,276 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,097 |
| Australia Map Quiz | 0 | - | 4.94 | 343,066 |
| Largest Land Animals of the Americas | 0 | - | 4.38 | 20,216 |
| New World Crops | 0 | - | 4.38 | 30,284 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,660 |
| History of Mexico | 0 | - | 4.58 | 15,251 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,242 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,508 |
| Word Chain - South America | 0 | - | 4.51 | 23,810 |
| United States Map Quiz | 0 | - | 4.98 | 4,146,856 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,859 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,417 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,712 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,024 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,707 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,148 |
| The Only European Country ... | 0 | - | 4.91 | 214,843 |
| European Countries NOT in NATO | 0 | - | 4.87 | 60,134 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,646 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 98,063 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,378,620 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,586 |
| Flags of Africa Quiz | 0 | - | 5.00 | 465,957 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,077 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,825 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,597 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,757 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,600 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,061 |
| African Island Countries | 0 | - | 4.96 | 101,066 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 242,270 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 32,919 |
| Australian States and Territories | 0 | - | 4.96 | 141,243 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,107 |
| Australia True or False | 0 | - | 4.87 | 56,629 |
| Flags of North and South America | 0 | - | 4.99 | 369,477 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,708 |
| South America Map Quiz | 0 | - | 5.00 | 1,543,671 |
| South American Physical Geography | 0 | - | 4.58 | 18,296 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,015,982 |
| Canada Provinces and Territories | 0 | - | 5.00 | 339,406 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 637,374 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,635 |
| European Countries Ending in "IA" | 0 | - | 4.96 | 67,726 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,300 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,232,838 |
| Celtic Nations | 0 | - | 4.69 | 46,860 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,322,582 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,037 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,617 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,133 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,694 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,047 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,043 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,139 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,143 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,620 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,427 |
| Slavic Countries | 0 | - | 4.96 | 111,148 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,158 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,706 |
| Counties of England | 0 | - | 4.97 | 791,792 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 352,031 |
| Flags of Asia Quiz | 0 | - | 4.99 | 608,151 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,757 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,119 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,660 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,517 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,164 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,867 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,942 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 229,414 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,405 |
| Countries of the Middle East | 0 | - | 4.96 | 199,655 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,330 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,448 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,219 |
| Kazakhstan Country Quiz | 0 | - | 4.79 | 35,470 |
| States of India | 0 | - | 4.94 | 191,346 |
| States of India Map Quiz | 0 | - | 4.82 | 26,188 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,930 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,487 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,334 |
| African Great Lakes | 0 | - | 4.82 | 65,586 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,154 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,404 |
| The Only African Country ... | 0 | - | 4.98 | 128,630 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,888 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,092 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,676 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,328 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 320,352 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,642 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,476 |
| Name a Valid African Country | 0 | - | 4.98 | 153,307 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,610 |
| Tanzania Country Quiz | 0 | - | 4.90 | 32,901 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,189 |
| D.R. Congo Country Quiz | 0 | - | 4.87 | 39,151 |
| Flags of Oceania | 0 | - | 5.00 | 256,531 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,086 |
| Palau Country Quiz | 0 | - | 4.90 | 22,900 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,716 |
| Australia Country Quiz | 0 | - | 4.43 | 69,392 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,352 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,715 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,477 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,237 |
| Regions of New Zealand | 0 | - | 4.85 | 28,333 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,351 |
| Tonga Country Quiz | 0 | - | 4.82 | 20,421 |
| The Only American Country ... | 0 | - | 4.92 | 121,091 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,656 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,367 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,085 |
| Places Mentioned in the Song "Kokomo" | 0 | - | 4.44 | 16,982 |
| Famous Mexicans and Mexican-Americans | 0 | - | 4.15 | 16,915 |
| Mexico States Map Quiz | 0 | - | 4.84 | 104,105 |
| Famous People from South America | 0 | - | 4.15 | 21,853 |
| South America A-Z | 0 | - | 4.13 | 10,863 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,587 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 900,537 |
| Central American Countries | 0 | - | 4.98 | 155,421 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 146,591 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,630 |
| Famous Caribbean People | 0 | - | 4.37 | 12,582 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 23,974 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,295 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,340 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,142 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,490 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,703 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,937 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,101 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,634 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,942 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,632 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,351 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.84 | 65,844 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,644 |
| US States Quiz | 0 | - | 5.00 | 16,760,837 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,929 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,840 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,673 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,666 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,576 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,528 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,409 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,264 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,787 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,352 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,504 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,267 |
