| Uruguay Country Quiz | 0 | - | 4.84 | 31,742 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,931 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,743 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,775 |
| North America Map Quiz | 0 | - | 4.98 | 251,812 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,956 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,538 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 95,109 |
| States of Mexico | 0 | - | 4.96 | 178,067 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 105,435 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,738 |
| States of Brazil | 0 | - | 4.97 | 89,604 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,372 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,287 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,843 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 222,330 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,645 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,675 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,560 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,260 |
| Australian Capitals | 0 | - | 4.92 | 62,825 |
| Name a Valid Answer - United States #1 | 0 | - | 4.62 | 94,364 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,678 |
| Official European Union Languages | 0 | - | 4.97 | 239,679 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,579 |
| Europe Map Quiz | 0 | - | 5.00 | 4,785,697 |
| Oceania Map Quiz | 0 | - | 4.98 | 658,846 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,794 |
| Native American Tribes in the US | 0 | - | 4.74 | 25,721 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,651 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,452,107 |
| Asia Map Quiz | 0 | - | 4.99 | 924,505 |
| Africa Map Quiz | 0 | - | 5.00 | 2,127,835 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,408 |
| Australia Map Quiz | 0 | - | 4.95 | 346,049 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,317 |
| New World Crops | 0 | - | 4.38 | 30,955 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,850 |
| History of Mexico | 0 | - | 4.52 | 15,360 |
| South American Geography Quiz #2 | 0 | - | 4.41 | 43,918 |
| South American Geography Quiz #1 | 0 | - | 4.63 | 32,875 |
| Word Chain - South America | 0 | - | 4.51 | 24,001 |
| North American Physical Geography | 0 | - | 4.35 | 30,456 |
| United States Map Quiz | 0 | - | 4.98 | 4,170,438 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,483 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,438 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,724 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.12 | 41,169 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,805 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,886 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,625 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,085 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,285 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,993 |
| The Only European Country ... | 0 | - | 4.91 | 218,797 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,409 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,040 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,870 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,386,975 |
| Countries of Africa | 0 | - | 5.00 | 2,557,683 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,780 |
| African East Coast | 0 | - | 4.96 | 96,697 |
| Western Africa Map Quiz | 0 | - | 4.98 | 74,554 |
| Australian States and Territories | 0 | - | 4.96 | 142,792 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,481 |
| Australia True or False | 0 | - | 4.87 | 57,125 |
| Flags of North and South America | 0 | - | 4.99 | 376,614 |
| Latin American Countries Map Quiz | 0 | - | 4.98 | 130,573 |
| South America Map Quiz | 0 | - | 5.00 | 1,556,071 |
| South American Physical Geography | 0 | - | 4.58 | 18,399 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,030,605 |
| Canada Provinces and Territories | 0 | - | 5.00 | 345,882 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 644,322 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,150 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,495 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,256,713 |
| Celtic Nations | 0 | - | 4.61 | 47,084 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,335,082 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,432 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,981 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,592 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,722 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 87,979 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,551 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 175,505 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,282 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,109 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,726 |
| Slavic Countries | 0 | - | 4.96 | 112,316 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,673 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,413 |
| Counties of England | 0 | - | 4.97 | 802,359 |
| Flags of Asia Quiz | 0 | - | 4.99 | 619,666 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,763 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,474 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,842 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,100 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,748 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,270 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 72,012 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 231,495 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 50,540 |
| Countries of the Middle East | 0 | - | 4.96 | 202,503 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,726 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,489 |
| Flags of Africa Quiz | 0 | - | 5.00 | 476,991 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,270 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,421 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,210 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 34,069 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,519 |
| Top African Languages on a Map | 0 | - | 4.94 | 75,166 |
| African Island Countries | 0 | - | 4.96 | 102,388 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 244,518 |
| Flags of Oceania | 0 | - | 5.00 | 262,420 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.95 | 27,678 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 146,448 |
| Australia Country Quiz | 0 | - | 4.43 | 69,823 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,970 |
| Regions of New Zealand | 0 | - | 4.84 | 28,711 |
| The Only American Country ... | 0 | - | 4.92 | 122,171 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,612 |
| Places Mentioned in the Song "Kokomo" | 0 | - | 4.44 | 17,074 |
| Famous People from South America | 0 | - | 4.15 | 22,089 |
| Central America and Caribbean Map Quiz | 0 | - | 4.90 | 904,810 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,777 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,939 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,855 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,765 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,908 |
| The U.S. Pledge of Allegiance | 0 | - | 4.00 | 18,404 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 74,941 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,235 |
| US States Quiz | 0 | - | 5.00 | 16,985,576 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,894 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,461 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,665 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 96,435 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,411 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,484 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,718 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,734 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,415 |
| Monarchies of Europe | 0 | - | 4.90 | 98,800 |
| European Countries with One Border | 0 | - | 4.97 | 183,700 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,457 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,282 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,338 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,429 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,549 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,740 |
| States of Germany | 0 | - | 4.95 | 154,331 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,652 |
| Regions of Italy | 0 | - | 4.92 | 76,967 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,763 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,236 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,708 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,305 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,480 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,942 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,834 |
| Champions League Winners | 0 | - | 4.92 | 1,015,316 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,930 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,771 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,040 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,350 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,727 |
| Monarchies of Asia | 0 | - | 4.97 | 71,475 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,254 |
| Provinces of Turkey | 0 | - | 4.95 | 205,764 |
| Provinces of China | 0 | - | 4.97 | 207,687 |
| Japanese Prefectures | 0 | - | 4.98 | 138,853 |
| States of India | 0 | - | 4.94 | 195,706 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,985 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,558 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,253 |
| The Only African Country ... | 0 | - | 4.99 | 129,618 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,367 |
| 10 Easternmost Countries in Africa | 0 | - | 4.98 | 25,037 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,403 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 324,073 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,762 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.89 | 59,731 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,788 |
| Eswatini Country Quiz | 0 | - | 4.85 | 20,918 |
| Botswana Country Quiz | 0 | - | 4.90 | 22,641 |
| Lesotho Country Quiz | 0 | - | 4.83 | 20,682 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,901 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 64,107 |
| D.R. Congo Country Quiz | 0 | - | 4.88 | 39,561 |
| Gabon Country Quiz | 0 | - | 4.83 | 18,647 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,802 |
| Palau Country Quiz | 0 | - | 4.89 | 23,134 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,877 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,557 |
| Countries Closest to Australia | 0 | - | 4.99 | 167,764 |
| Countries that Beat Australia | 0 | - | 4.92 | 93,403 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,543 |
| Samoa Country Quiz | 0 | - | 4.81 | 20,945 |
| Tonga Country Quiz | 0 | - | 4.83 | 20,610 |
