| Uruguay Country Quiz | 0 | - | 4.83 | 31,506 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,500 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,055 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,681 |
| North America Map Quiz | 0 | - | 4.98 | 247,481 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,628 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,014 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,516 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,190 |
| States of Mexico | 0 | - | 4.95 | 175,397 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,760 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,590 |
| States of Brazil | 0 | - | 4.97 | 87,505 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 528,548 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,798 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,568 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,687 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 219,008 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,218 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,488 |
| Europe Map Quiz | 0 | - | 5.00 | 4,754,043 |
| Africa Map Quiz | 0 | - | 5.00 | 2,114,083 |
| Oceania Map Quiz | 0 | - | 4.98 | 640,233 |
| Australian Capitals | 0 | - | 4.92 | 62,691 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,826 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,977 |
| Official European Union Languages | 0 | - | 4.97 | 238,048 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,568 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,339 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,446,240 |
| Asia Map Quiz | 0 | - | 4.99 | 914,029 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,545 |
| African East Coast | 0 | - | 4.96 | 95,762 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,573 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,429 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,244 |
| New World Crops | 0 | - | 4.37 | 30,824 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,768 |
| North American Physical Geography | 0 | - | 4.35 | 30,401 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,433 |
| Native American Tribes in the US | 0 | - | 4.72 | 25,440 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,636 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,558 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,433 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,863 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,747 |
| The Only European Country ... | 0 | - | 4.91 | 215,864 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,684 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,741 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,576 |
| Countries of Africa | 0 | - | 5.00 | 2,528,764 |
| Australia Map Quiz | 0 | - | 4.95 | 343,736 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,707 |
| History of Mexico | 0 | - | 4.58 | 15,289 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,299 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,552 |
| Word Chain - South America | 0 | - | 4.51 | 23,866 |
| United States Map Quiz | 0 | - | 4.98 | 4,152,972 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,248 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,600 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 40,953 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,854 |
| Celtic Nations | 0 | - | 4.69 | 46,903 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,380,608 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,848 |
| Flags of Africa Quiz | 0 | - | 5.00 | 468,849 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,590 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,349 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,952 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,028 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,098 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,585 |
| African Island Countries | 0 | - | 4.96 | 101,378 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 242,986 |
| Australian States and Territories | 0 | - | 4.96 | 141,651 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,224 |
| Australia True or False | 0 | - | 4.87 | 56,751 |
| Flags of North and South America | 0 | - | 4.99 | 371,665 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,231 |
| South America Map Quiz | 0 | - | 5.00 | 1,546,899 |
| South American Physical Geography | 0 | - | 4.58 | 18,326 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,020,025 |
| Canada Provinces and Territories | 0 | - | 5.00 | 341,017 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 638,953 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,772 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,352 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,239,198 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,325,781 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,379 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,926 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,048 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,943 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,219 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,897 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 170,414 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,720 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,945 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,684 |
| Slavic Countries | 0 | - | 4.96 | 111,449 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,278 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,861 |
| Counties of England | 0 | - | 4.97 | 794,415 |
| Flags of Asia Quiz | 0 | - | 4.99 | 611,112 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,048 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,483 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,937 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,781 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,609 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,228 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,220 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 229,935 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 49,714 |
| Countries of the Middle East | 0 | - | 4.96 | 200,658 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,422 |
| States of India | 0 | - | 4.94 | 192,448 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,508 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,258 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,608 |
| The Only African Country ... | 0 | - | 4.98 | 128,887 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,039 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,615 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 321,276 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,952 |
| Flags of Oceania | 0 | - | 5.00 | 257,980 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,235 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 145,125 |
| Australia Country Quiz | 0 | - | 4.43 | 69,503 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,437 |
| Regions of New Zealand | 0 | - | 4.85 | 28,453 |
| The Only American Country ... | 0 | - | 4.92 | 121,368 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,892 |
| Famous People from South America | 0 | - | 4.15 | 21,912 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 901,387 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,678 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,784 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,339 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,116 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,308 |
| The U.S. Pledge of Allegiance | 0 | - | 3.98 | 18,341 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,692 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,790 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,763 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,909 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,640 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,199 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,856 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,854 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,377 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,464 |
| Monarchies of Europe | 0 | - | 4.90 | 97,909 |
| European Countries with One Border | 0 | - | 4.97 | 182,455 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,267 |
| European Geography By Letter - B #2 | 0 | - | 4.85 | 77,827 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,833 |
| Federal Subjects of Russia | 0 | - | 4.95 | 146,177 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,691 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,081 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,489 |
| States of Germany | 0 | - | 4.96 | 151,758 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,848 |
| Regions of Italy | 0 | - | 4.92 | 75,496 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 51,752 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,586 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,951 |
| UK Cities Map Quiz | 0 | - | 4.96 | 463,921 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,505 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,979 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,655 |
| Champions League Winners | 0 | - | 4.92 | 1,003,370 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,376 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,735 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,998 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,203 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,978 |
| Monarchies of Asia | 0 | - | 4.97 | 70,946 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,755 |
| Provinces of Turkey | 0 | - | 4.95 | 203,527 |
| Provinces of China | 0 | - | 4.97 | 203,262 |
| Japanese Prefectures | 0 | - | 4.98 | 136,293 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,682 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,568 |
| States of India Map Quiz | 0 | - | 4.83 | 26,340 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,101 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,636 |
| African Great Lakes | 0 | - | 4.82 | 65,986 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,366 |
| African Countries with the Most Muslims | 0 | - | 4.80 | 100,759 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,121 |
| Name a Valid African Country | 0 | - | 4.98 | 153,698 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,706 |
| Tanzania Country Quiz | 0 | - | 4.90 | 32,998 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,370 |
| D.R. Congo Country Quiz | 0 | - | 4.87 | 39,273 |
| Palau Country Quiz | 0 | - | 4.90 | 22,963 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,482 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,922 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,739 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,409 |
| Tonga Country Quiz | 0 | - | 4.83 | 20,485 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,766 |
