| Uruguay Country Quiz | 0 | - | 4.84 | 31,710 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,861 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,641 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,760 |
| North America Map Quiz | 0 | - | 4.98 | 250,685 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,922 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,462 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 95,026 |
| States of Mexico | 0 | - | 4.96 | 177,652 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 105,316 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,543 |
| States of Brazil | 0 | - | 4.97 | 89,210 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,341 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 531,711 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,814 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 221,812 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,568 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,653 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,304 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,037 |
| Australian Capitals | 0 | - | 4.92 | 62,804 |
| Name a Valid Answer - United States #1 | 0 | - | 4.62 | 94,287 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,553 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,578 |
| Official European Union Languages | 0 | - | 4.97 | 239,440 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,444 |
| Europe Map Quiz | 0 | - | 5.00 | 4,780,699 |
| Oceania Map Quiz | 0 | - | 4.98 | 657,898 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,788 |
| Native American Tribes in the US | 0 | - | 4.74 | 25,680 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,179 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,451,091 |
| Asia Map Quiz | 0 | - | 4.99 | 923,038 |
| Africa Map Quiz | 0 | - | 5.00 | 2,125,968 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,254 |
| Australia Map Quiz | 0 | - | 4.95 | 345,769 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,303 |
| New World Crops | 0 | - | 4.38 | 30,937 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,833 |
| History of Mexico | 0 | - | 4.52 | 15,355 |
| South American Geography Quiz #2 | 0 | - | 4.41 | 43,416 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,820 |
| Word Chain - South America | 0 | - | 4.51 | 23,969 |
| North American Physical Geography | 0 | - | 4.35 | 30,451 |
| United States Map Quiz | 0 | - | 4.98 | 4,167,839 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,468 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,414 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,702 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.12 | 41,137 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,439 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,839 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,275 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,713 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,220 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,736 |
| The Only European Country ... | 0 | - | 4.91 | 218,353 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,157 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,997 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,687 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,386,230 |
| Countries of Africa | 0 | - | 5.00 | 2,552,962 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,622 |
| African East Coast | 0 | - | 4.96 | 96,555 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,418 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,469 |
| Australian States and Territories | 0 | - | 4.96 | 142,621 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,447 |
| Australia True or False | 0 | - | 4.87 | 57,074 |
| Flags of North and South America | 0 | - | 4.99 | 375,862 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,398 |
| South America Map Quiz | 0 | - | 5.00 | 1,554,103 |
| South American Physical Geography | 0 | - | 4.58 | 18,386 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,028,935 |
| Canada Provinces and Territories | 0 | - | 5.00 | 345,162 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 643,178 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,079 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,253,799 |
| Celtic Nations | 0 | - | 4.61 | 47,062 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,333,767 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,285 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,836 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,219 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,610 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,886 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,204 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 174,949 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,071 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,945 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,641 |
| Slavic Countries | 0 | - | 4.96 | 112,188 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,619 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,340 |
| Counties of England | 0 | - | 4.97 | 801,269 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 360,104 |
| Flags of Asia Quiz | 0 | - | 4.99 | 618,256 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,619 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,354 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,717 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,992 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,572 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,112 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,896 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 231,262 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 50,416 |
| Countries of the Middle East | 0 | - | 4.96 | 202,270 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,680 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,399 |
| Flags of Africa Quiz | 0 | - | 5.00 | 475,767 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,067 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,306 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,077 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,967 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,320 |
| Top African Languages on a Map | 0 | - | 4.94 | 74,932 |
| African Island Countries | 0 | - | 4.96 | 102,245 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 244,307 |
| Flags of Oceania | 0 | - | 5.00 | 261,831 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,561 |
| Australia Cities Map Quiz | 0 | - | 4.82 | 146,291 |
| Australia Country Quiz | 0 | - | 4.43 | 69,778 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,883 |
| Regions of New Zealand | 0 | - | 4.84 | 28,667 |
| The Only American Country ... | 0 | - | 4.92 | 122,053 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,508 |
| Places Mentioned in the Song "Kokomo" | 0 | - | 4.44 | 17,062 |
| Famous People from South America | 0 | - | 4.15 | 22,051 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 904,193 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,616 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,695 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,768 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,606 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,806 |
| The U.S. Pledge of Allegiance | 0 | - | 4.00 | 18,397 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 74,784 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,173 |
| US States Quiz | 0 | - | 5.00 | 16,962,356 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,867 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,374 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,561 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,324 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,233 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,206 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,609 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,691 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,281 |
| Monarchies of Europe | 0 | - | 4.90 | 98,646 |
| European Countries with One Border | 0 | - | 4.97 | 183,506 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,246 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,273 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,085 |
| Federal Subjects of Russia | 0 | - | 4.95 | 148,918 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,326 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,362 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,548 |
| States of Germany | 0 | - | 4.95 | 153,996 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,536 |
| Regions of Italy | 0 | - | 4.92 | 76,693 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,650 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,009 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,609 |
| UK Cities Map Quiz | 0 | - | 4.96 | 465,923 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,380 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,662 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,805 |
| Champions League Winners | 0 | - | 4.92 | 1,013,205 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,880 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,596 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,885 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,034 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,639 |
| Monarchies of Asia | 0 | - | 4.97 | 71,385 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,188 |
| Provinces of Turkey | 0 | - | 4.94 | 205,410 |
| Provinces of China | 0 | - | 4.97 | 206,999 |
| Japanese Prefectures | 0 | - | 4.98 | 138,478 |
| States of India | 0 | - | 4.95 | 195,208 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,912 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,503 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,193 |
| The Only African Country ... | 0 | - | 4.99 | 129,510 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,315 |
| 10 Easternmost Countries in Africa | 0 | - | 4.97 | 24,648 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,284 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 323,802 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,628 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.89 | 59,245 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,736 |
| Eswatini Country Quiz | 0 | - | 4.85 | 20,899 |
| Botswana Country Quiz | 0 | - | 4.90 | 22,616 |
| Lesotho Country Quiz | 0 | - | 4.83 | 20,666 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,867 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 64,075 |
| D.R. Congo Country Quiz | 0 | - | 4.88 | 39,520 |
| Gabon Country Quiz | 0 | - | 4.83 | 18,628 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,757 |
| Palau Country Quiz | 0 | - | 4.90 | 23,106 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,808 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,478 |
| Countries Closest to Australia | 0 | - | 4.99 | 167,352 |
| Countries that Beat Australia | 0 | - | 4.92 | 93,290 |
