| Uruguay Country Quiz | 0 | - | 4.83 | 31,506 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,498 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,054 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,680 |
| North America Map Quiz | 0 | - | 4.98 | 247,474 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,627 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,013 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,514 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,190 |
| States of Mexico | 0 | - | 4.95 | 175,396 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,758 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,588 |
| States of Brazil | 0 | - | 4.97 | 87,502 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 528,545 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,798 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,566 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,686 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 219,001 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,218 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,488 |
| Europe Map Quiz | 0 | - | 5.00 | 4,753,982 |
| Africa Map Quiz | 0 | - | 5.00 | 2,114,045 |
| Oceania Map Quiz | 0 | - | 4.98 | 640,221 |
| 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 | 68,975 |
| Official European Union Languages | 0 | - | 4.97 | 238,046 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,567 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,333 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,446,224 |
| Asia Map Quiz | 0 | - | 4.99 | 914,016 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,540 |
| African East Coast | 0 | - | 4.96 | 95,759 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,572 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,422 |
| 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 | 25,437 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,632 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,557 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,429 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,863 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,742 |
| The Only European Country ... | 0 | - | 4.91 | 215,860 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,681 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,741 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,575 |
| Countries of Africa | 0 | - | 5.00 | 2,528,720 |
| Australia Map Quiz | 0 | - | 4.95 | 343,729 |
| 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 | 32,550 |
| Word Chain - South America | 0 | - | 4.51 | 23,866 |
| United States Map Quiz | 0 | - | 4.98 | 4,152,943 |
| 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 | 363,845 |
| Celtic Nations | 0 | - | 4.69 | 46,903 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,380,602 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,847 |
| Flags of Africa Quiz | 0 | - | 5.00 | 468,840 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,589 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,346 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,949 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,027 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,098 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,583 |
| African Island Countries | 0 | - | 4.96 | 101,376 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 242,984 |
| Australian States and Territories | 0 | - | 4.96 | 141,649 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,222 |
| Australia True or False | 0 | - | 4.87 | 56,751 |
| Flags of North and South America | 0 | - | 4.99 | 371,658 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,230 |
| South America Map Quiz | 0 | - | 5.00 | 1,546,890 |
| South American Physical Geography | 0 | - | 4.58 | 18,325 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,020,002 |
| Canada Provinces and Territories | 0 | - | 5.00 | 341,011 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 638,938 |
| 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 | 1,239,174 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,325,763 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,379 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,923 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,043 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,942 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,217 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,893 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 170,410 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,718 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,943 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,681 |
| Slavic Countries | 0 | - | 4.96 | 111,447 |
| 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 | 794,397 |
| Flags of Asia Quiz | 0 | - | 4.99 | 611,087 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,046 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,480 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,933 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,780 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,606 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,226 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,219 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 229,934 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 49,713 |
| Countries of the Middle East | 0 | - | 4.96 | 200,657 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,422 |
| States of India | 0 | - | 4.94 | 192,433 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,507 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,258 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,607 |
| The Only African Country ... | 0 | - | 4.98 | 128,885 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,038 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,613 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 321,271 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,952 |
| Flags of Oceania | 0 | - | 5.00 | 257,940 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,233 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 145,121 |
| Australia Country Quiz | 0 | - | 4.43 | 69,503 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,437 |
| Regions of New Zealand | 0 | - | 4.85 | 28,452 |
| 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 | 21,911 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 901,384 |
| 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 | 239,114 |
| 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 | 73,689 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,790 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,762 |
| 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 | 137,198 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,853 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,852 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,377 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,463 |
| Monarchies of Europe | 0 | - | 4.90 | 97,908 |
| European Countries with One Border | 0 | - | 4.97 | 182,452 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,265 |
| European Geography By Letter - B #2 | 0 | - | 4.85 | 77,819 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,832 |
| Federal Subjects of Russia | 0 | - | 4.95 | 146,168 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,690 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,075 |
| 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 | 80,845 |
| Regions of Italy | 0 | - | 4.92 | 75,495 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 51,742 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,583 |
| 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 | 93,502 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,978 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,655 |
| Champions League Winners | 0 | - | 4.92 | 1,003,347 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,374 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,733 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,996 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,200 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,977 |
| Monarchies of Asia | 0 | - | 4.97 | 70,945 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,755 |
| Provinces of Turkey | 0 | - | 4.95 | 203,508 |
| Provinces of China | 0 | - | 4.97 | 203,254 |
| Japanese Prefectures | 0 | - | 4.98 | 136,287 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,678 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,564 |
| States of India Map Quiz | 0 | - | 4.83 | 26,339 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,100 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,636 |
| African Great Lakes | 0 | - | 4.82 | 65,985 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,363 |
| African Countries with the Most Muslims | 0 | - | 4.80 | 100,752 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,101 |
| Name a Valid African Country | 0 | - | 4.98 | 153,698 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,704 |
| Tanzania Country Quiz | 0 | - | 4.90 | 32,996 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,369 |
| D.R. Congo Country Quiz | 0 | - | 4.87 | 39,273 |
| Palau Country Quiz | 0 | - | 4.90 | 22,961 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,481 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,921 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,738 |
| 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 | 91,757 |
