| Uruguay Country Quiz | 0 | - | 4.84 | 31,514 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,506 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,079 |
| North America Map Quiz | 0 | - | 4.98 | 247,599 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,645 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,031 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,539 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 528,652 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,851 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,194 |
| States of Mexico | 0 | - | 4.95 | 175,468 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,774 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,640 |
| States of Brazil | 0 | - | 4.97 | 87,611 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,650 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,685 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,693 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 219,119 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,226 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,495 |
| Australian Capitals | 0 | - | 4.92 | 62,694 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,989 |
| Official European Union Languages | 0 | - | 4.97 | 238,097 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,598 |
| Europe Map Quiz | 0 | - | 5.00 | 4,755,055 |
| Africa Map Quiz | 0 | - | 5.00 | 2,114,474 |
| Oceania Map Quiz | 0 | - | 4.98 | 640,485 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,844 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,458 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,446,426 |
| Asia Map Quiz | 0 | - | 4.99 | 914,315 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,768 |
| Native American Tribes in the US | 0 | - | 4.72 | 25,446 |
| Countries of Africa | 0 | - | 5.00 | 2,529,575 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,583 |
| African East Coast | 0 | - | 4.96 | 95,797 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,597 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,443 |
| Australia Map Quiz | 0 | - | 4.95 | 343,804 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,248 |
| New World Crops | 0 | - | 4.37 | 30,832 |
| North American Physical Geography | 0 | - | 4.35 | 30,401 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,434 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,706 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,572 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,502 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,916 |
| Celtic Nations | 0 | - | 4.69 | 46,908 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,875 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,806 |
| The Only European Country ... | 0 | - | 4.91 | 215,944 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,753 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,751 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,615 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,380,742 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,862 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,625 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,374 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,980 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,061 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,139 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,632 |
| African Island Countries | 0 | - | 4.96 | 101,408 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,034 |
| Australian States and Territories | 0 | - | 4.96 | 141,684 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,228 |
| Australia True or False | 0 | - | 4.87 | 56,756 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,711 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,267 |
| History of Mexico | 0 | - | 4.58 | 15,290 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,309 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,557 |
| Word Chain - South America | 0 | - | 4.51 | 23,870 |
| United States Map Quiz | 0 | - | 4.98 | 4,153,670 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,256 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,601 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 40,957 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,785 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,356 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,409 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,956 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,139 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,973 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,237 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,950 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 170,555 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,780 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,988 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,711 |
| Slavic Countries | 0 | - | 4.96 | 111,481 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,281 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,870 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,073 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,512 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,957 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,794 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,634 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,262 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,238 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 229,978 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 49,743 |
| Countries of the Middle East | 0 | - | 4.96 | 200,713 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,434 |
| Flags of Africa Quiz | 0 | - | 5.00 | 469,166 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,526 |
| Australia Country Quiz | 0 | - | 4.43 | 69,509 |
| Flags of North and South America | 0 | - | 4.99 | 371,807 |
| South America Map Quiz | 0 | - | 5.00 | 1,547,172 |
| South American Physical Geography | 0 | - | 4.58 | 18,328 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,020,359 |
| Canada Provinces and Territories | 0 | - | 5.00 | 341,256 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 639,086 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,239,730 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,026 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,387 |
| Counties of England | 0 | - | 4.97 | 794,667 |
| Flags of Asia Quiz | 0 | - | 4.99 | 611,322 |
| States of India | 0 | - | 4.94 | 192,557 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,272 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,627 |
| The Only African Country ... | 0 | - | 4.98 | 128,912 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,051 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,635 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 321,356 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,974 |
| Flags of Oceania | 0 | - | 5.00 | 258,117 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,252 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 145,156 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,446 |
| Regions of New Zealand | 0 | - | 4.85 | 28,460 |
| The Only American Country ... | 0 | - | 4.92 | 121,388 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,916 |
| Famous People from South America | 0 | - | 4.15 | 21,913 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 901,461 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,694 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,823 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,349 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,150 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,318 |
| The U.S. Pledge of Allegiance | 0 | - | 3.98 | 18,342 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,724 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,811 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,767 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,928 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,656 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,228 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,888 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,885 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,487 |
| Monarchies of Europe | 0 | - | 4.90 | 97,939 |
| European Countries with One Border | 0 | - | 4.97 | 182,490 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,302 |
| European Geography By Letter - B #2 | 0 | - | 4.85 | 77,917 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,868 |
| Federal Subjects of Russia | 0 | - | 4.95 | 146,345 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,718 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,123 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,532 |
| States of Germany | 0 | - | 4.96 | 151,863 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,869 |
| Regions of Italy | 0 | - | 4.92 | 75,532 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 51,835 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,611 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,989 |
| UK Cities Map Quiz | 0 | - | 4.96 | 463,999 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,542 |
| Counties of England Map Quiz | 0 | - | 4.97 | 307,006 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,658 |
| Champions League Winners | 0 | - | 4.92 | 1,003,614 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,399 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,762 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,024 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,267 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,993 |
| Monarchies of Asia | 0 | - | 4.97 | 70,969 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,770 |
| Provinces of Turkey | 0 | - | 4.95 | 203,618 |
| Provinces of China | 0 | - | 4.97 | 203,404 |
| Japanese Prefectures | 0 | - | 4.98 | 136,403 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,700 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,599 |
| States of India Map Quiz | 0 | - | 4.83 | 26,364 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,115 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,648 |
| African Great Lakes | 0 | - | 4.82 | 66,012 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,424 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,308 |
| Name a Valid African Country | 0 | - | 4.98 | 153,735 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,715 |
| Tanzania Country Quiz | 0 | - | 4.90 | 33,013 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,380 |
| D.R. Congo Country Quiz | 0 | - | 4.87 | 39,285 |
| Palau Country Quiz | 0 | - | 4.90 | 22,968 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,493 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,944 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,768 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,413 |
| Tonga Country Quiz | 0 | - | 4.83 | 20,492 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,893 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,325 |
