| Uruguay Country Quiz | 0 | - | 4.83 | 30,064 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 109,865 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 137,812 |
| Paraguay... or Uruguay? | 0 | - | 4.54 | 26,023 |
| North America Map Quiz | 0 | - | 4.98 | 220,553 |
| Third Most Common Language by U.S. State | 0 | - | 4.90 | 110,736 |
| Most Spoken Languages in Canada | 0 | - | 4.90 | 50,914 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 89,952 |
| States of Mexico | 0 | - | 4.93 | 155,751 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 99,539 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.89 | 45,966 |
| States of Brazil | 0 | - | 4.97 | 77,148 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 47,794 |
| European Countries by First 2 Letters | 0 | - | 4.96 | 506,680 |
| Haiti... or Dominican Republic? | 0 | - | 4.69 | 39,386 |
| African Countries by First 2 Letters | 0 | - | 4.95 | 256,502 |
| Most-Spoken Languages of the United States | 0 | - | 4.53 | 194,331 |
| Canada Multiple Choice Quiz | 0 | - | 4.53 | 45,916 |
| Canada Geography Trivia | 0 | - | 4.79 | 46,207 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 266,446 |
| Australian Capitals | 0 | - | 4.92 | 61,792 |
| Name a Valid Answer - United States #1 | 0 | - | 4.64 | 90,061 |
| U.S. Highway Signs By State | 0 | - | 4.45 | 14,781 |
| Count to 10 in Europe: Pro | 0 | - | 4.84 | 64,639 |
| Official European Union Languages | 0 | - | 4.98 | 226,293 |
| European Countries in their Native Language | 0 | - | 4.99 | 150,352 |
| Europe Map Quiz | 0 | - | 5.00 | 4,517,785 |
| Africa Map Quiz | 0 | - | 5.00 | 2,022,047 |
| Oceania Map Quiz | 0 | - | 4.98 | 599,837 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,631 |
| Native American Tribes in the US | 0 | - | 4.74 | 24,069 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 406,646 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,390,870 |
| Asia Map Quiz | 0 | - | 4.99 | 845,930 |
| Countries of Africa | 0 | - | 5.00 | 2,329,602 |
| African East Coast | 0 | - | 4.96 | 89,572 |
| Western Africa Map Quiz | 0 | - | 4.97 | 67,257 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 45,035 |
| Australia Map Quiz | 0 | - | 4.94 | 332,151 |
| Largest Land Animals of the Americas | 0 | - | 4.36 | 19,794 |
| New World Crops | 0 | - | 4.33 | 23,177 |
| Hispanic Last Names in the U.S. | 0 | - | 4.30 | 53,755 |
| History of Mexico | 0 | - | 4.58 | 14,659 |
| South American Geography Quiz #2 | 0 | - | 4.65 | 38,140 |
| Word Chain - South America | 0 | - | 4.50 | 23,021 |
| North American Physical Geography | 0 | - | 4.34 | 29,943 |
| United States Map Quiz | 0 | - | 4.98 | 4,035,120 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,090 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 60,665 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.19 | 51,672 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 39,224 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 201,060 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.93 | 89,139 |
| Countries That Use the Euro | 0 | - | 4.92 | 73,957 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 349,072 |
| Europe Geography Decoder | 0 | - | 4.85 | 66,497 |
| 10 Easternmost Countries in Europe | 0 | - | 4.88 | 102,801 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.83 | 40,420 |
| The Only European Country ... | 0 | - | 4.92 | 195,231 |
| Countries that Beat Switzerland | 0 | - | 4.87 | 39,895 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 88,377 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,333,482 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 95,111 |
| Flags of Africa Quiz | 0 | - | 5.00 | 420,548 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 24,605 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 207,141 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 110,455 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 153,941 |
| African Countries with the Shortest Names | 0 | - | 4.97 | 127,554 |
| Top African Languages on a Map | 0 | - | 4.92 | 63,102 |
| African Island Countries | 0 | - | 4.96 | 95,120 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 232,928 |
| Australian States and Territories | 0 | - | 4.96 | 135,131 |
| Australian Immigration by Country | 0 | - | 4.81 | 75,256 |
| Australia True or False | 0 | - | 4.87 | 54,314 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 331,688 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 117,001 |
| South America Map Quiz | 0 | - | 5.00 | 1,483,009 |
| South American Physical Geography | 0 | - | 4.58 | 17,771 |
| Countries of North America Quiz | 0 | - | 5.00 | 943,122 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 606,976 |
| Straight Shot to Antarctica | 0 | - | 4.92 | 39,960 |
| Add A Letter - Make a European City | 0 | - | 4.87 | 22,094 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,121,253 |
| Celtic Nations | 0 | - | 4.75 | 45,841 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.93 | 1,257,288 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 184,844 |
| 10 Westernmost Countries in Europe | 0 | - | 4.95 | 144,473 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.95 | 201,149 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 82,205 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.90 | 83,491 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 297,053 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 141,499 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.94 | 58,654 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 81,453 |
| Eastern Europe Map Quiz | 0 | - | 4.90 | 120,915 |
| Slavic Countries | 0 | - | 4.96 | 105,569 |
| Germany Multiple Choice | 0 | - | 4.83 | 51,701 |
| Counties of England | 0 | - | 4.97 | 741,530 |
| Flags of Asia Quiz | 0 | - | 4.99 | 561,914 |
| East Asia Cities Map Quiz | 0 | - | 4.97 | 105,158 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 147,041 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 93,736 |
| 10 Easternmost Countries in Asia | 0 | - | 4.98 | 102,025 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 118,418 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 100,107 |
| Top Asian Languages on a Map | 0 | - | 4.94 | 65,739 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 219,872 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.94 | 43,495 |
| Countries of the Middle East | 0 | - | 4.95 | 186,100 |
| Countries where Arabic is an Official Language | 0 | - | 4.83 | 53,535 |
| Japanese Prefectures | 0 | - | 4.98 | 120,426 |
| States of India | 0 | - | 4.94 | 173,049 |
| 10 African Countries with the Most Tourists | 0 | - | 4.40 | 57,468 |
| Africa Geography Quiz #1 | 0 | - | 4.92 | 47,551 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.95 | 28,965 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 69,268 |
| The Only African Country ... | 0 | - | 4.98 | 124,134 |
| African Countries by a Single Clue | 0 | - | 4.91 | 65,708 |
| Pixelated Africa Map | 0 | - | 4.98 | 93,046 |
| Countries Closest to Africa | 0 | - | 4.95 | 150,344 |
| Flags of Oceania | 0 | - | 5.00 | 233,362 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.95 | 23,988 |
| Australia Cities Map Quiz | 0 | - | 4.86 | 138,372 |
| Australia Country Quiz | 0 | - | 4.42 | 59,812 |
| Australia... or New Zealand? | 0 | - | 4.83 | 58,147 |
| Regions of New Zealand | 0 | - | 4.83 | 26,255 |
| The Only American Country ... | 0 | - | 4.93 | 114,987 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 105,533 |
| Places Mentioned in the Song "Kokomo" | 0 | - | 4.43 | 16,602 |
| South American Geography Quiz #1 | 0 | - | 4.71 | 31,593 |
| Famous People from South America | 0 | - | 4.15 | 20,730 |
| Central America and Caribbean Map Quiz | 0 | - | 4.88 | 879,341 |
| North American Capitals - Map Quiz | 0 | - | 4.89 | 51,856 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 54,406 |
| U.S. State Border Crossings | 0 | - | 4.96 | 85,880 |
| U.S. Citizenship Test Questions | 0 | - | 4.84 | 230,277 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.86 | 70,037 |
| The U.S. Pledge of Allegiance | 0 | - | 3.97 | 17,936 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 67,629 |
| US States Quiz | 0 | - | 5.00 | 15,703,853 |
| U.S. Geography - Multiple Choice | 0 | - | 4.45 | 23,751 |
| Canada Provinces and Territories | 0 | - | 4.99 | 308,578 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 100,652 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 89,182 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 128,843 |
| Three Band Flags of Europe | 0 | - | 4.97 | 181,806 |
| Catholic Countries in Europe | 0 | - | 4.83 | 89,081 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.70 | 56,033 |
| Pixelated Europe Map | 0 | - | 4.88 | 115,200 |
| Monarchies of Europe | 0 | - | 4.89 | 92,426 |
| European Countries with One Border | 0 | - | 4.97 | 174,046 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 151,836 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 141,429 |
| Federal Subjects of Russia | 0 | - | 4.93 | 127,671 |
| Countries Formerly in Yugoslavia | 0 | - | 4.96 | 118,934 |
| Regions of France Map Quiz | 0 | - | 4.96 | 134,998 |
| States of Germany Map Quiz | 0 | - | 4.91 | 126,124 |
| States of Germany | 0 | - | 4.94 | 136,165 |
| Germany Immigration by Country | 0 | - | 4.86 | 74,924 |
| States of the German Confederation in 1848 | 0 | - | 4.85 | 29,031 |
| Counties of Ireland | 0 | - | 4.88 | 173,660 |
| Regions of Italy | 0 | - | 4.90 | 66,898 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 34,618 |
| Regions of Spain Quiz | 0 | - | 4.89 | 103,542 |
| Cantons of Switzerland | 0 | - | 4.97 | 44,708 |
| UK Cities Map Quiz | 0 | - | 4.95 | 448,369 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 88,651 |
| Counties of England Map Quiz | 0 | - | 4.97 | 296,514 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 16,399 |
| Champions League Winners | 0 | - | 4.91 | 938,723 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 63,728 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.88 | 98,313 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 128,256 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 122,595 |
| Pixelated Asia Map | 0 | - | 4.91 | 67,674 |
| Monarchies of Asia | 0 | - | 4.96 | 67,685 |
| Provinces of Turkey | 0 | - | 4.95 | 189,044 |
| Provinces of China | 0 | - | 4.97 | 176,735 |
| Japan Country Quiz | 0 | - | 4.92 | 126,790 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 73,037 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 56,481 |
| Countries Closest to Japan | 0 | - | 4.92 | 132,860 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 99,676 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 77,747 |
| Bhutan Country Quiz | 0 | - | 4.89 | 22,772 |
| Countries Bordering India | 0 | - | 4.98 | 159,352 |
| Countries Closest to India | 0 | - | 4.96 | 98,259 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 55,233 |
| Nepal Country Quiz | 0 | - | 4.95 | 35,363 |
| African Great Lakes | 0 | - | 4.82 | 59,566 |
| Every African Country Shape | 0 | - | 4.89 | 77,897 |
| African Countries with the Most Christians | 0 | - | 4.92 | 71,409 |
| Top 10 Richest Countries in Africa | 0 | - | 4.87 | 72,121 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 115,293 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 305,247 |
| Name a Valid African Country | 0 | - | 4.98 | 132,012 |
| Kenya Country Quiz | 0 | - | 4.86 | 32,794 |
| Djibouti Country Quiz | 0 | - | 4.88 | 20,422 |
| Countries Closest to Ethiopia | 0 | - | 4.89 | 66,056 |
