| Uruguay Country Quiz | 0 | - | 4.84 | 31,807 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,114 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 145,047 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,816 |
| North America Map Quiz | 0 | - | 4.98 | 253,150 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 114,055 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,708 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 95,373 |
| States of Mexico | 0 | - | 4.96 | 178,999 |
| Countries of South America with an Empty Map | 0 | - | 4.95 | 105,682 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.93 | 55,124 |
| States of Brazil | 0 | - | 4.98 | 90,210 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,432 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 533,326 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,885 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 223,381 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,782 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,730 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 281,179 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,796 |
| Australian Capitals | 0 | - | 4.92 | 62,887 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 94,533 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,904 |
| Official European Union Languages | 0 | - | 4.97 | 240,501 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,906 |
| Europe Map Quiz | 0 | - | 5.00 | 4,796,096 |
| Oceania Map Quiz | 0 | - | 4.98 | 660,998 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,804 |
| Native American Tribes in the US | 0 | - | 4.74 | 25,772 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,665 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,453,860 |
| Asia Map Quiz | 0 | - | 4.99 | 927,437 |
| Africa Map Quiz | 0 | - | 5.00 | 2,131,734 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,686 |
| Australia Map Quiz | 0 | - | 4.95 | 346,669 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,337 |
| New World Crops | 0 | - | 4.38 | 30,984 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,892 |
| History of Mexico | 0 | - | 4.52 | 15,386 |
| South American Geography Quiz #1 | 0 | - | 4.63 | 32,946 |
| Word Chain - South America | 0 | - | 4.51 | 24,031 |
| North American Physical Geography | 0 | - | 4.35 | 30,482 |
| United States Map Quiz | 0 | - | 4.98 | 4,174,690 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,500 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,489 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,751 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.12 | 41,230 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,560 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 93,017 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,434 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,770 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,419 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,656 |
| The Only European Country ... | 0 | - | 4.91 | 219,861 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,972 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,129 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 100,288 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,388,420 |
| Countries of Africa | 0 | - | 5.00 | 2,567,315 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,341 |
| African East Coast | 0 | - | 4.96 | 96,998 |
| Western Africa Map Quiz | 0 | - | 4.98 | 74,889 |
| Australian States and Territories | 0 | - | 4.96 | 143,154 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,569 |
| Australia True or False | 0 | - | 4.87 | 57,260 |
| Flags of North and South America | 0 | - | 4.99 | 378,660 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,965 |
| South America Map Quiz | 0 | - | 5.00 | 1,559,454 |
| South American Physical Geography | 0 | - | 4.58 | 18,417 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,034,283 |
| Canada Provinces and Territories | 0 | - | 5.00 | 347,552 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 645,767 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,278 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,263,036 |
| Celtic Nations | 0 | - | 4.61 | 47,134 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,337,917 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,878 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,619 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 221,519 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,972 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,189 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 313,388 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,881 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,881 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,472 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,981 |
| Slavic Countries | 0 | - | 4.96 | 112,591 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,782 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,546 |
| Counties of England | 0 | - | 4.97 | 804,939 |
| Flags of Asia Quiz | 0 | - | 4.99 | 622,679 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 111,011 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,815 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 100,132 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,390 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 128,130 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,583 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 72,309 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 232,030 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.92 | 50,884 |
| Countries of the Middle East | 0 | - | 4.96 | 203,429 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,841 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,611 |
| Flags of Africa Quiz | 0 | - | 5.00 | 479,863 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 219,299 |
| 10 Southernmost Countries in Africa | 0 | - | 4.99 | 118,144 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,799 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.95 | 47,979 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 155,096 |
| Top African Languages on a Map | 0 | - | 4.94 | 75,637 |
| African Island Countries | 0 | - | 4.96 | 102,826 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 245,011 |
| Add A Letter - Make a European City | 0 | - | 4.88 | 23,548 |
| Flags of Oceania | 0 | - | 5.00 | 263,796 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.95 | 27,836 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 146,764 |
| Australia Country Quiz | 0 | - | 4.43 | 69,914 |
| Australia... or New Zealand? | 0 | - | 4.83 | 62,164 |
| Regions of New Zealand | 0 | - | 4.84 | 28,819 |
| The Only American Country ... | 0 | - | 4.92 | 122,424 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,842 |
| South American Geography Quiz #2 | 0 | - | 4.40 | 44,441 |
| Famous People from South America | 0 | - | 4.15 | 22,155 |
| Central America and Caribbean Map Quiz | 0 | - | 4.90 | 905,685 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 59,065 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 65,432 |
| U.S. State Border Crossings | 0 | - | 4.97 | 97,007 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 241,062 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 76,121 |
| The U.S. Pledge of Allegiance | 0 | - | 4.00 | 18,422 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 75,345 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,361 |
| US States Quiz | 0 | - | 5.00 | 17,036,509 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,954 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,667 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,326 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 97,048 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,827 |
| Three Band Flags of Europe | 0 | - | 4.98 | 195,009 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,955 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.74 | 58,854 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,745 |
| Monarchies of Europe | 0 | - | 4.90 | 99,113 |
| European Countries with One Border | 0 | - | 4.97 | 184,144 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,856 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,679 |
| Federal Subjects of Russia | 0 | - | 4.95 | 150,098 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,643 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,903 |
| States of Germany Map Quiz | 0 | - | 4.92 | 134,102 |
| States of Germany | 0 | - | 4.95 | 155,097 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,880 |
| Regions of Italy | 0 | - | 4.92 | 77,370 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,989 |
| Regions of Spain Quiz | 0 | - | 4.91 | 115,718 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,980 |
| UK Cities Map Quiz | 0 | - | 4.96 | 467,014 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,714 |
| Counties of England Map Quiz | 0 | - | 4.97 | 309,401 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,881 |
| Champions League Winners | 0 | - | 4.92 | 1,018,990 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 67,196 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.90 | 107,171 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,384 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 138,000 |
| Pixelated Asia Map | 0 | - | 4.91 | 74,001 |
| Monarchies of Asia | 0 | - | 4.97 | 71,657 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,400 |
| Provinces of Turkey | 0 | - | 4.95 | 206,638 |
| Provinces of China | 0 | - | 4.97 | 209,270 |
| Japanese Prefectures | 0 | - | 4.98 | 139,623 |
| States of India | 0 | - | 4.94 | 196,795 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 61,118 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,643 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,597 |
| The Only African Country ... | 0 | - | 4.99 | 129,874 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,496 |
| 10 Easternmost Countries in Africa | 0 | - | 4.98 | 25,312 |
| Pixelated Africa Map | 0 | - | 4.98 | 101,079 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 324,713 |
| Countries Closest to Africa | 0 | - | 4.96 | 158,086 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.89 | 61,110 |
| D.R. Congo Country Quiz | 0 | - | 4.88 | 39,678 |
| Gabon Country Quiz | 0 | - | 4.83 | 18,685 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,930 |
| Palau Country Quiz | 0 | - | 4.89 | 23,212 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 91,010 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,772 |
| Countries Closest to Australia | 0 | - | 4.99 | 168,060 |
| Countries that Beat Australia | 0 | - | 4.92 | 93,618 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,588 |
| Samoa Country Quiz | 0 | - | 4.81 | 21,010 |
| Tonga Country Quiz | 0 | - | 4.83 | 20,673 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,687 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.92 | 95,841 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 93,028 |
| American Countries With No Atlantic Coastline | 0 | - | 4.93 | 92,947 |
| Places Mentioned in the Song "Kokomo" | 0 | - | 4.44 | 17,097 |
| Famous Mexicans and Mexican-Americans | 0 | - | 4.15 | 16,972 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,910 |
