| Uruguay Country Quiz | 0 | - | 4.84 | 31,644 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,727 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,424 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,734 |
| North America Map Quiz | 0 | - | 4.98 | 249,569 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,812 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,320 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,874 |
| States of Mexico | 0 | - | 4.96 | 176,845 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 105,130 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,210 |
| States of Brazil | 0 | - | 4.97 | 88,682 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,301 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,721 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,772 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 220,900 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,439 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,588 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,742 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,635 |
| Australian Capitals | 0 | - | 4.92 | 62,759 |
| Name a Valid Answer - United States #1 | 0 | - | 4.63 | 94,147 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,345 |
| Official European Union Languages | 0 | - | 4.97 | 238,968 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,157 |
| Europe Map Quiz | 0 | - | 5.00 | 4,772,244 |
| Oceania Map Quiz | 0 | - | 4.98 | 654,130 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,785 |
| Native American Tribes in the US | 0 | - | 4.74 | 25,606 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,157 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,449,821 |
| Asia Map Quiz | 0 | - | 4.99 | 919,955 |
| Africa Map Quiz | 0 | - | 5.00 | 2,122,195 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,964 |
| Australia Map Quiz | 0 | - | 4.95 | 345,244 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,283 |
| New World Crops | 0 | - | 4.38 | 30,918 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,795 |
| History of Mexico | 0 | - | 4.58 | 15,339 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 40,119 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,623 |
| Word Chain - South America | 0 | - | 4.51 | 23,938 |
| North American Physical Geography | 0 | - | 4.35 | 30,437 |
| United States Map Quiz | 0 | - | 4.98 | 4,163,908 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,451 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,370 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,676 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.12 | 41,079 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,862 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,746 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,637 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,114 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,121 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,736 |
| The Only European Country ... | 0 | - | 4.91 | 217,478 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,627 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,920 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,345 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,385,008 |
| Countries of Africa | 0 | - | 5.00 | 2,545,866 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,135 |
| African East Coast | 0 | - | 4.96 | 96,310 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,170 |
| Australian States and Territories | 0 | - | 4.96 | 142,263 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,371 |
| Australia True or False | 0 | - | 4.87 | 56,961 |
| Flags of North and South America | 0 | - | 4.99 | 374,465 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,137 |
| South America Map Quiz | 0 | - | 5.00 | 1,551,980 |
| South American Physical Geography | 0 | - | 4.58 | 18,368 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,026,161 |
| Canada Provinces and Territories | 0 | - | 5.00 | 343,803 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 641,855 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,969 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,434 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,249,067 |
| Celtic Nations | 0 | - | 4.69 | 47,002 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,331,022 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,955 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,464 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,455 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,374 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,548 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,432 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 173,317 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,687 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,596 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,438 |
| Slavic Countries | 0 | - | 4.96 | 111,910 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,486 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,212 |
| Counties of England | 0 | - | 4.97 | 799,137 |
| Flags of Asia Quiz | 0 | - | 4.99 | 616,103 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,432 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,058 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,389 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,245 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,271 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,822 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,669 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,824 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 50,146 |
| Countries of the Middle East | 0 | - | 4.96 | 201,748 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,606 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,112 |
| Flags of Africa Quiz | 0 | - | 5.00 | 473,427 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,403 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,816 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,509 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,452 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,888 |
| Top African Languages on a Map | 0 | - | 4.92 | 74,491 |
| African Island Countries | 0 | - | 4.96 | 101,901 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,897 |
| Flags of Oceania | 0 | - | 5.00 | 260,661 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,440 |
| Australia Cities Map Quiz | 0 | - | 4.82 | 145,766 |
| Australia Country Quiz | 0 | - | 4.43 | 69,677 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,719 |
| Regions of New Zealand | 0 | - | 4.84 | 28,598 |
| The Only American Country ... | 0 | - | 4.92 | 121,837 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,298 |
| Places Mentioned in the Song "Kokomo" | 0 | - | 4.44 | 17,038 |
| Famous People from South America | 0 | - | 4.15 | 22,023 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 903,016 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,232 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,426 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,624 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,771 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,627 |
| The U.S. Pledge of Allegiance | 0 | - | 3.99 | 18,380 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,425 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,043 |
| US States Quiz | 0 | - | 5.00 | 16,922,345 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,837 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,231 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 97,972 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,059 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,884 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,756 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,414 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,592 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,019 |
| Monarchies of Europe | 0 | - | 4.90 | 98,374 |
| European Countries with One Border | 0 | - | 4.97 | 183,154 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,931 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,778 |
| Federal Subjects of Russia | 0 | - | 4.95 | 148,073 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,125 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,887 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,244 |
| States of Germany | 0 | - | 4.95 | 153,280 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,303 |
| Regions of Italy | 0 | - | 4.92 | 76,300 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,453 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,460 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,430 |
| UK Cities Map Quiz | 0 | - | 4.96 | 465,250 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,174 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,225 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,758 |
| Champions League Winners | 0 | - | 4.92 | 1,010,143 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,737 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,287 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,581 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 136,544 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,410 |
| Monarchies of Asia | 0 | - | 4.97 | 71,236 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,039 |
| Provinces of Turkey | 0 | - | 4.94 | 204,728 |
| Provinces of China | 0 | - | 4.97 | 205,784 |
| Japanese Prefectures | 0 | - | 4.98 | 137,750 |
| States of India | 0 | - | 4.95 | 194,228 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,776 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,402 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 72,898 |
| The Only African Country ... | 0 | - | 4.99 | 129,293 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,222 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,092 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 323,270 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,422 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.89 | 58,501 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,601 |
| Eswatini Country Quiz | 0 | - | 4.85 | 20,863 |
| Botswana Country Quiz | 0 | - | 4.90 | 22,570 |
| Lesotho Country Quiz | 0 | - | 4.83 | 20,634 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,824 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 64,023 |
| D.R. Congo Country Quiz | 0 | - | 4.87 | 39,439 |
| Gabon Country Quiz | 0 | - | 4.83 | 18,597 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,641 |
| Palau Country Quiz | 0 | - | 4.90 | 23,059 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,689 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,294 |
| Countries Closest to Australia | 0 | - | 4.99 | 167,159 |
| Countries that Beat Australia | 0 | - | 4.92 | 93,038 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,482 |
| Samoa Country Quiz | 0 | - | 4.81 | 20,868 |
| Tonga Country Quiz | 0 | - | 4.83 | 20,557 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,473 |
