| Uruguay Country Quiz | 0 | - | 4.84 | 31,673 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,803 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,547 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,747 |
| North America Map Quiz | 0 | - | 4.98 | 250,026 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,863 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,396 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,950 |
| States of Mexico | 0 | - | 4.96 | 177,248 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 105,227 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,351 |
| States of Brazil | 0 | - | 4.97 | 88,968 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,319 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 531,204 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,792 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 221,344 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,504 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,630 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,997 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,833 |
| Australian Capitals | 0 | - | 4.92 | 62,782 |
| Name a Valid Answer - United States #1 | 0 | - | 4.63 | 94,215 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,456 |
| Official European Union Languages | 0 | - | 4.97 | 239,205 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,298 |
| Europe Map Quiz | 0 | - | 5.00 | 4,776,171 |
| Oceania Map Quiz | 0 | - | 4.98 | 656,724 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,787 |
| Native American Tribes in the US | 0 | - | 4.74 | 25,638 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,744 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,450,421 |
| Asia Map Quiz | 0 | - | 4.99 | 921,583 |
| Africa Map Quiz | 0 | - | 5.00 | 2,123,996 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,086 |
| Australia Map Quiz | 0 | - | 4.95 | 345,516 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,293 |
| New World Crops | 0 | - | 4.38 | 30,926 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,818 |
| History of Mexico | 0 | - | 4.58 | 15,344 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,766 |
| Word Chain - South America | 0 | - | 4.51 | 23,951 |
| North American Physical Geography | 0 | - | 4.35 | 30,441 |
| United States Map Quiz | 0 | - | 4.98 | 4,165,684 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,462 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,399 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,691 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.12 | 41,097 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,138 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,796 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,987 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,423 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,172 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 116,406 |
| The Only European Country ... | 0 | - | 4.91 | 217,925 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,928 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,960 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,553 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,385,593 |
| Countries of Africa | 0 | - | 5.00 | 2,549,358 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,439 |
| African East Coast | 0 | - | 4.96 | 96,442 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,313 |
| Australian States and Territories | 0 | - | 4.96 | 142,445 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,408 |
| Australia True or False | 0 | - | 4.87 | 57,017 |
| Flags of North and South America | 0 | - | 4.99 | 375,152 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,274 |
| South America Map Quiz | 0 | - | 5.00 | 1,552,833 |
| South American Physical Geography | 0 | - | 4.58 | 18,381 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,027,428 |
| Canada Provinces and Territories | 0 | - | 5.00 | 344,443 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 642,474 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,019 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,457 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,251,369 |
| Celtic Nations | 0 | - | 4.69 | 47,038 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,332,291 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,150 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,710 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,853 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,505 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,782 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,826 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 174,192 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,890 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,772 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,534 |
| Slavic Countries | 0 | - | 4.96 | 112,047 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,551 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,280 |
| Counties of England | 0 | - | 4.97 | 800,225 |
| Flags of Asia Quiz | 0 | - | 4.99 | 617,161 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,524 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,218 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,584 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,802 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,413 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,964 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,784 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 231,047 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 50,287 |
| Countries of the Middle East | 0 | - | 4.96 | 201,990 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,647 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,331 |
| Flags of Africa Quiz | 0 | - | 5.00 | 474,618 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,853 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,177 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,910 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,832 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,136 |
| Top African Languages on a Map | 0 | - | 4.94 | 74,748 |
| African Island Countries | 0 | - | 4.96 | 102,097 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 244,125 |
| Flags of Oceania | 0 | - | 5.00 | 261,163 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,492 |
| Australia Cities Map Quiz | 0 | - | 4.82 | 146,131 |
| Australia Country Quiz | 0 | - | 4.43 | 69,726 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,798 |
| Regions of New Zealand | 0 | - | 4.84 | 28,632 |
| The Only American Country ... | 0 | - | 4.92 | 121,936 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,396 |
| Places Mentioned in the Song "Kokomo" | 0 | - | 4.44 | 17,051 |
| South American Geography Quiz #2 | 0 | - | 4.40 | 42,764 |
| Famous People from South America | 0 | - | 4.15 | 22,036 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 903,326 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,347 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,539 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,695 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,445 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,717 |
| The U.S. Pledge of Allegiance | 0 | - | 4.00 | 18,386 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,591 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,116 |
| US States Quiz | 0 | - | 5.00 | 16,941,694 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,853 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,304 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,248 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,202 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,070 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,988 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,508 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,652 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,139 |
| Monarchies of Europe | 0 | - | 4.90 | 98,497 |
| European Countries with One Border | 0 | - | 4.97 | 183,333 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,102 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,924 |
| Federal Subjects of Russia | 0 | - | 4.95 | 148,416 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,239 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,038 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,385 |
| States of Germany | 0 | - | 4.95 | 153,677 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,409 |
| Regions of Italy | 0 | - | 4.92 | 76,483 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,551 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,768 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,516 |
| UK Cities Map Quiz | 0 | - | 4.96 | 465,606 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,287 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,440 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,780 |
| Champions League Winners | 0 | - | 4.92 | 1,011,576 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,778 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,460 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,733 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 136,784 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,533 |
| Monarchies of Asia | 0 | - | 4.97 | 71,320 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,102 |
| Provinces of Turkey | 0 | - | 4.94 | 205,029 |
| Provinces of China | 0 | - | 4.97 | 206,285 |
| Japanese Prefectures | 0 | - | 4.98 | 138,147 |
| States of India | 0 | - | 4.95 | 194,763 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,844 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,453 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,111 |
| The Only African Country ... | 0 | - | 4.99 | 129,404 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,279 |
| 10 Easternmost Countries in Africa | 0 | - | 4.98 | 22,745 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,188 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 323,534 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,531 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.89 | 58,885 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,666 |
| Eswatini Country Quiz | 0 | - | 4.85 | 20,878 |
| Botswana Country Quiz | 0 | - | 4.90 | 22,585 |
| Lesotho Country Quiz | 0 | - | 4.83 | 20,646 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,855 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 64,051 |
| D.R. Congo Country Quiz | 0 | - | 4.88 | 39,483 |
| Gabon Country Quiz | 0 | - | 4.83 | 18,609 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,697 |
| Palau Country Quiz | 0 | - | 4.90 | 23,083 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,745 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,391 |
| Countries Closest to Australia | 0 | - | 4.99 | 167,243 |
| Countries that Beat Australia | 0 | - | 4.92 | 93,151 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,502 |
| Samoa Country Quiz | 0 | - | 4.81 | 20,890 |
| Tonga Country Quiz | 0 | - | 4.83 | 20,569 |