| North America Map Quiz | 0 | - | 4.98 | 219,178 |
| Third Most Common Language by U.S. State | 0 | - | 4.90 | 110,412 |
| Most Spoken Languages in Canada | 0 | - | 4.90 | 50,575 |
| Uruguay Country Quiz | 0 | - | 4.83 | 29,989 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 89,642 |
| Haiti... or Dominican Republic? | 0 | - | 4.69 | 39,336 |
| Most-Spoken Languages of the United States | 0 | - | 4.44 | 179,355 |
| Canada Multiple Choice Quiz | 0 | - | 4.53 | 45,616 |
| Canada Geography Trivia | 0 | - | 4.80 | 46,149 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 109,746 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 137,608 |
| Name a Valid Answer - United States #1 | 0 | - | 4.64 | 89,887 |
| Native American Tribes in the US | 0 | - | 4.74 | 23,979 |
| States of Mexico | 0 | - | 4.93 | 155,137 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 99,248 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.89 | 45,798 |
| States of Brazil | 0 | - | 4.97 | 76,710 |
| North American Physical Geography | 0 | - | 4.34 | 29,930 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,067 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 60,583 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.19 | 51,643 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 39,122 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 47,715 |
| Paraguay... or Uruguay? | 0 | - | 4.54 | 25,997 |
| European Countries by First 2 Letters | 0 | - | 4.96 | 505,758 |
| African Countries by First 2 Letters | 0 | - | 4.95 | 255,990 |
| U.S. Geography - Multiple Choice | 0 | - | 4.45 | 23,703 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 265,849 |
| The U.S. Pledge of Allegiance | 0 | - | 3.97 | 17,916 |
| Europe Map Quiz | 0 | - | 5.00 | 4,506,366 |
| Africa Map Quiz | 0 | - | 5.00 | 2,018,056 |
| Oceania Map Quiz | 0 | - | 4.98 | 598,295 |
| Australian Capitals | 0 | - | 4.92 | 61,763 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,626 |
| Count to 10 in Europe: Pro | 0 | - | 4.84 | 64,447 |
| Official European Union Languages | 0 | - | 4.98 | 225,817 |
| European Countries in their Native Language | 0 | - | 4.99 | 150,064 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 405,720 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,388,117 |
| Asia Map Quiz | 0 | - | 4.99 | 842,756 |
| Countries of Africa | 0 | - | 5.00 | 2,320,782 |
| African East Coast | 0 | - | 4.96 | 89,279 |
| Western Africa Map Quiz | 0 | - | 4.98 | 66,885 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 44,815 |
| Australia Map Quiz | 0 | - | 4.94 | 331,636 |
| Largest Land Animals of the Americas | 0 | - | 4.36 | 19,771 |
| New World Crops | 0 | - | 4.33 | 23,160 |
| Hispanic Last Names in the U.S. | 0 | - | 4.30 | 53,700 |
| History of Mexico | 0 | - | 4.57 | 14,621 |
| South American Geography Quiz #2 | 0 | - | 4.64 | 38,092 |
| Word Chain - South America | 0 | - | 4.50 | 22,984 |
| United States Map Quiz | 0 | - | 4.98 | 4,028,925 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 200,821 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.93 | 89,039 |
| Countries That Use the Euro | 0 | - | 4.92 | 73,433 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 348,391 |
| Europe Geography Decoder | 0 | - | 4.85 | 66,342 |
| 10 Easternmost Countries in Europe | 0 | - | 4.88 | 102,302 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.83 | 40,273 |
| The Only European Country ... | 0 | - | 4.92 | 194,405 |
| Countries that Beat Switzerland | 0 | - | 4.87 | 39,794 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 87,856 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,330,298 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 94,957 |
| Flags of Africa Quiz | 0 | - | 5.00 | 418,843 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 24,358 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 206,727 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 110,231 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 153,661 |
| African Countries with the Shortest Names | 0 | - | 4.97 | 127,136 |
| Top African Languages on a Map | 0 | - | 4.92 | 62,586 |
| African Island Countries | 0 | - | 4.96 | 94,833 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 232,464 |
| Australian States and Territories | 0 | - | 4.96 | 134,877 |
| Australian Immigration by Country | 0 | - | 4.82 | 75,164 |
| Australia True or False | 0 | - | 4.87 | 54,129 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 330,627 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 116,393 |
| South America Map Quiz | 0 | - | 5.00 | 1,479,527 |
| South American Geography Quiz #1 | 0 | - | 4.71 | 31,549 |
| South American Physical Geography | 0 | - | 4.58 | 17,749 |
| Countries of North America Quiz | 0 | - | 5.00 | 939,617 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 605,840 |
| Straight Shot to Antarctica | 0 | - | 4.92 | 39,807 |
| Add A Letter - Make a European City | 0 | - | 4.87 | 22,045 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,117,055 |
| Celtic Nations | 0 | - | 4.75 | 45,787 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.93 | 1,254,017 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 184,502 |
| 10 Westernmost Countries in Europe | 0 | - | 4.95 | 144,207 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.95 | 200,123 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 81,904 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.90 | 83,337 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 296,509 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 140,737 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.93 | 58,201 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 81,063 |
| Eastern Europe Map Quiz | 0 | - | 4.90 | 120,377 |
| Slavic Countries | 0 | - | 4.96 | 105,215 |
| Germany Multiple Choice | 0 | - | 4.83 | 51,554 |
| Counties of England | 0 | - | 4.97 | 739,071 |
| Flags of Asia Quiz | 0 | - | 4.99 | 560,155 |
| East Asia Cities Map Quiz | 0 | - | 4.97 | 104,949 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 146,778 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 93,541 |
| 10 Easternmost Countries in Asia | 0 | - | 4.98 | 101,752 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 118,065 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 99,794 |
| Top Asian Languages on a Map | 0 | - | 4.94 | 65,491 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 219,414 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.94 | 43,262 |
| Countries of the Middle East | 0 | - | 4.95 | 185,224 |
| Countries where Arabic is an Official Language | 0 | - | 4.83 | 53,451 |
| Provinces of China | 0 | - | 4.97 | 175,697 |
| China Cities Map Quiz | 0 | - | 4.90 | 93,158 |
| Provinces of China Map Quiz | 0 | - | 4.93 | 87,671 |
| Japanese Prefectures | 0 | - | 4.98 | 119,771 |
| Japan Country Quiz | 0 | - | 4.92 | 126,491 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 99,342 |
| States of India | 0 | - | 4.94 | 172,189 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 55,105 |
| Nepal Country Quiz | 0 | - | 4.95 | 35,264 |
| 10 African Countries with the Most Tourists | 0 | - | 4.40 | 57,313 |
| African Great Lakes | 0 | - | 4.82 | 59,162 |
| Africa Geography Quiz #1 | 0 | - | 4.92 | 47,470 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.95 | 28,801 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 69,117 |
| The Only African Country ... | 0 | - | 4.98 | 123,913 |
| African Countries by a Single Clue | 0 | - | 4.91 | 65,587 |
| African Countries with the Most Christians | 0 | - | 4.92 | 71,236 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 114,779 |
| Pixelated Africa Map | 0 | - | 4.98 | 92,803 |
| Countries Closest to Africa | 0 | - | 4.96 | 150,085 |
| Name a Valid African Country | 0 | - | 4.98 | 131,688 |
| Kenya Country Quiz | 0 | - | 4.86 | 32,705 |
| Flags of Oceania | 0 | - | 5.00 | 232,513 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.94 | 23,881 |
| Palau Country Quiz | 0 | - | 4.89 | 21,616 |
| Australia Cities Map Quiz | 0 | - | 4.86 | 138,127 |
| Australia Country Quiz | 0 | - | 4.45 | 59,713 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 87,591 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 64,407 |
| Countries Closest to Australia | 0 | - | 4.99 | 160,827 |
| Australia... or New Zealand? | 0 | - | 4.83 | 57,982 |
| Regions of New Zealand | 0 | - | 4.83 | 26,193 |
| Tuvalu Country Quiz | 0 | - | 4.85 | 20,357 |
| Tonga Country Quiz | 0 | - | 4.83 | 19,304 |
| The Only American Country ... | 0 | - | 4.93 | 114,753 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 105,307 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 86,086 |
| American Countries With No Atlantic Coastline | 0 | - | 4.91 | 76,125 |
| Places Mentioned in the Song "Kokomo" | 0 | - | 4.43 | 16,588 |
| Famous Mexicans and Mexican-Americans | 0 | - | 4.13 | 16,637 |
| Mexican Foods | 0 | - | 4.05 | 14,085 |
| Mexico States Map Quiz | 0 | - | 4.82 | 96,766 |
| Famous People from South America | 0 | - | 4.15 | 20,669 |
| South America A-Z | 0 | - | 4.13 | 10,419 |
| Brazil States Map Quiz | 0 | - | 4.84 | 43,556 |
| Central America and Caribbean Map Quiz | 0 | - | 4.88 | 878,341 |
| Central American Countries | 0 | - | 4.98 | 146,740 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 108,366 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 122,540 |
| Largest Caribbean Islands | 0 | - | 4.06 | 15,955 |
| Famous Caribbean People | 0 | - | 4.36 | 12,314 |
| Saintly Islands of the Caribbean | 0 | - | 4.31 | 23,027 |
| North American Capitals - Map Quiz | 0 | - | 4.89 | 51,598 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 54,076 |
| U.S. State Border Crossings | 0 | - | 4.96 | 85,500 |
| U.S. Citizenship Test Questions | 0 | - | 4.84 | 229,559 |
| Total United States Immigration by Country | 0 | - | 4.88 | 103,038 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.86 | 69,568 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.95 | 164,589 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.94 | 199,723 |
| U.S. Cabinet Departments | 0 | - | 4.85 | 69,967 |
| Cities and Towns of Massachusetts | 0 | - | 4.91 | 67,224 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.83 | 61,060 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.88 | 24,631 |
| US States Quiz | 0 | - | 5.00 | 15,653,293 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.97 | 353,426 |
| Canada Provinces and Territories | 0 | - | 4.99 | 307,602 |
| Flags of the Mediterranean | 0 | - | 4.94 | 129,757 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 100,433 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.85 | 85,101 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 186,566 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 120,657 |
| European Diaspora - Top 11 Countries | 0 | - | 4.89 | 88,967 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 128,460 |
| Three Band Flags of Europe | 0 | - | 4.97 | 181,412 |
| Catholic Countries in Europe | 0 | - | 4.83 | 88,799 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.70 | 55,933 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 188,378 |
| Pixelated Europe Map | 0 | - | 4.88 | 114,926 |
| Monarchies of Europe | 0 | - | 4.89 | 92,188 |
| European Countries with One Border | 0 | - | 4.97 | 173,527 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 151,220 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 214,468 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 260,591 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 141,077 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 201,637 |
| Russia Country Quiz | 0 | - | 4.83 | 108,500 |
