| Uruguay Country Quiz | 0 | - | 4.84 | 31,798 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,103 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 145,031 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,814 |
| North America Map Quiz | 0 | - | 4.98 | 253,065 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 114,053 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,701 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 95,360 |
| States of Mexico | 0 | - | 4.96 | 178,954 |
| Countries of South America with an Empty Map | 0 | - | 4.95 | 105,672 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.93 | 55,106 |
| States of Brazil | 0 | - | 4.98 | 90,153 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,429 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 533,276 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,881 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 223,325 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,776 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,729 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 281,147 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,763 |
| Australian Capitals | 0 | - | 4.92 | 62,887 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 94,521 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,890 |
| Official European Union Languages | 0 | - | 4.97 | 240,472 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,895 |
| Europe Map Quiz | 0 | - | 5.00 | 4,795,446 |
| Oceania Map Quiz | 0 | - | 4.98 | 660,850 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,803 |
| Native American Tribes in the US | 0 | - | 4.74 | 25,770 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,599 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,453,777 |
| Asia Map Quiz | 0 | - | 4.99 | 927,277 |
| Africa Map Quiz | 0 | - | 5.00 | 2,131,544 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,657 |
| Australia Map Quiz | 0 | - | 4.95 | 346,647 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,335 |
| New World Crops | 0 | - | 4.38 | 30,983 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,892 |
| History of Mexico | 0 | - | 4.52 | 15,382 |
| South American Geography Quiz #1 | 0 | - | 4.63 | 32,944 |
| Word Chain - South America | 0 | - | 4.51 | 24,029 |
| North American Physical Geography | 0 | - | 4.35 | 30,478 |
| United States Map Quiz | 0 | - | 4.98 | 4,174,412 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,500 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,485 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,749 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.12 | 41,227 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,511 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 93,012 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,397 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,723 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,415 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,620 |
| The Only European Country ... | 0 | - | 4.91 | 219,794 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,937 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,121 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 100,270 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,388,305 |
| Countries of Africa | 0 | - | 5.00 | 2,566,637 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,329 |
| African East Coast | 0 | - | 4.96 | 96,973 |
| Western Africa Map Quiz | 0 | - | 4.98 | 74,874 |
| Australian States and Territories | 0 | - | 4.96 | 143,141 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,564 |
| Australia True or False | 0 | - | 4.87 | 57,253 |
| Flags of North and South America | 0 | - | 4.99 | 378,544 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,940 |
| South America Map Quiz | 0 | - | 5.00 | 1,559,118 |
| South American Physical Geography | 0 | - | 4.58 | 18,416 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,034,082 |
| Canada Provinces and Territories | 0 | - | 5.00 | 347,422 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 645,685 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,270 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,262,653 |
| Celtic Nations | 0 | - | 4.61 | 47,131 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,337,808 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,857 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,600 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 221,459 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,963 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,177 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 313,361 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,800 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,850 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,445 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,965 |
| Slavic Countries | 0 | - | 4.96 | 112,568 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,776 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,534 |
| Counties of England | 0 | - | 4.97 | 804,799 |
| Flags of Asia Quiz | 0 | - | 4.99 | 622,514 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,997 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,801 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 100,122 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,380 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 128,106 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,563 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 72,288 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 232,003 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.92 | 50,863 |
| Countries of the Middle East | 0 | - | 4.96 | 203,393 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,834 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,606 |
| Flags of Africa Quiz | 0 | - | 5.00 | 479,706 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 219,276 |
| 10 Southernmost Countries in Africa | 0 | - | 4.99 | 118,133 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,780 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.95 | 47,909 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 155,066 |
| Top African Languages on a Map | 0 | - | 4.94 | 75,595 |
| African Island Countries | 0 | - | 4.96 | 102,808 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 244,989 |
| Add A Letter - Make a European City | 0 | - | 4.88 | 23,544 |
| Flags of Oceania | 0 | - | 5.00 | 263,743 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.95 | 27,832 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 146,751 |
| Australia Country Quiz | 0 | - | 4.43 | 69,910 |
| Australia... or New Zealand? | 0 | - | 4.83 | 62,151 |
| Regions of New Zealand | 0 | - | 4.84 | 28,814 |
| The Only American Country ... | 0 | - | 4.92 | 122,406 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,824 |
| South American Geography Quiz #2 | 0 | - | 4.40 | 44,414 |
| Famous People from South America | 0 | - | 4.15 | 22,152 |
| Central America and Caribbean Map Quiz | 0 | - | 4.90 | 905,651 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 59,041 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 65,406 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,994 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 241,045 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 76,114 |
| The U.S. Pledge of Allegiance | 0 | - | 4.00 | 18,420 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 75,326 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,356 |
| US States Quiz | 0 | - | 5.00 | 17,033,194 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,953 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,656 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,282 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 97,040 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,808 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,975 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,937 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.74 | 58,846 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,726 |
| Monarchies of Europe | 0 | - | 4.90 | 99,099 |
| European Countries with One Border | 0 | - | 4.97 | 184,116 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,833 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,654 |
| Federal Subjects of Russia | 0 | - | 4.95 | 150,048 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,633 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,877 |
| States of Germany Map Quiz | 0 | - | 4.92 | 134,069 |
| States of Germany | 0 | - | 4.95 | 155,066 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,866 |
| Regions of Italy | 0 | - | 4.92 | 77,337 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,973 |
| Regions of Spain Quiz | 0 | - | 4.91 | 115,689 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,971 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,979 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,701 |
| Counties of England Map Quiz | 0 | - | 4.97 | 309,374 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,879 |
| Champions League Winners | 0 | - | 4.92 | 1,018,733 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 67,184 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.90 | 107,149 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,370 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,962 |
| Pixelated Asia Map | 0 | - | 4.91 | 73,980 |
| Monarchies of Asia | 0 | - | 4.97 | 71,649 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,390 |
| Provinces of Turkey | 0 | - | 4.95 | 206,472 |
| Provinces of China | 0 | - | 4.97 | 209,201 |
| Japanese Prefectures | 0 | - | 4.98 | 139,574 |
| States of India | 0 | - | 4.94 | 196,740 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 61,115 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,642 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,590 |
| The Only African Country ... | 0 | - | 4.99 | 129,861 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,487 |
| 10 Easternmost Countries in Africa | 0 | - | 4.98 | 25,298 |
| Pixelated Africa Map | 0 | - | 4.98 | 101,046 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 324,659 |
| Countries Closest to Africa | 0 | - | 4.96 | 158,065 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.89 | 61,023 |
| D.R. Congo Country Quiz | 0 | - | 4.88 | 39,671 |
| Gabon Country Quiz | 0 | - | 4.83 | 18,676 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,920 |
| Palau Country Quiz | 0 | - | 4.89 | 23,200 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,998 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,759 |
| Countries Closest to Australia | 0 | - | 4.99 | 168,043 |
| Countries that Beat Australia | 0 | - | 4.92 | 93,608 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,579 |
| Samoa Country Quiz | 0 | - | 4.81 | 20,998 |
| Tonga Country Quiz | 0 | - | 4.83 | 20,661 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,683 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.92 | 95,801 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 93,007 |
| American Countries With No Atlantic Coastline | 0 | - | 4.93 | 92,931 |
| Places Mentioned in the Song "Kokomo" | 0 | - | 4.44 | 17,095 |
| Famous Mexicans and Mexican-Americans | 0 | - | 4.15 | 16,972 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,905 |
