| Uruguay Country Quiz | 0 | - | 4.84 | 31,535 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,548 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,138 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,693 |
| North America Map Quiz | 0 | - | 4.98 | 248,022 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,676 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,072 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,585 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,216 |
| States of Mexico | 0 | - | 4.95 | 175,680 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,826 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,742 |
| States of Brazil | 0 | - | 4.97 | 87,749 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 529,082 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,991 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,825 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,705 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 219,455 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,263 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,512 |
| Europe Map Quiz | 0 | - | 5.00 | 4,757,987 |
| Africa Map Quiz | 0 | - | 5.00 | 2,115,739 |
| Oceania Map Quiz | 0 | - | 4.98 | 641,184 |
| Australian Capitals | 0 | - | 4.92 | 62,707 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,896 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,044 |
| Official European Union Languages | 0 | - | 4.97 | 238,261 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,696 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,756 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,447,359 |
| Asia Map Quiz | 0 | - | 4.99 | 915,330 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,702 |
| African East Coast | 0 | - | 4.96 | 95,911 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,733 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,552 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,257 |
| New World Crops | 0 | - | 4.38 | 30,858 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,772 |
| North American Physical Geography | 0 | - | 4.35 | 30,408 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,437 |
| Native American Tribes in the US | 0 | - | 4.72 | 25,498 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,917 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,604 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,699 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,924 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,966 |
| The Only European Country ... | 0 | - | 4.91 | 216,212 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,892 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,783 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,774 |
| Countries of Africa | 0 | - | 5.00 | 2,532,305 |
| Australia Map Quiz | 0 | - | 4.95 | 344,080 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,732 |
| History of Mexico | 0 | - | 4.58 | 15,297 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,322 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,561 |
| Word Chain - South America | 0 | - | 4.51 | 23,886 |
| United States Map Quiz | 0 | - | 4.98 | 4,155,141 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,278 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,614 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 40,977 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,161 |
| Celtic Nations | 0 | - | 4.69 | 46,915 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,381,835 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,918 |
| Flags of Africa Quiz | 0 | - | 5.00 | 469,947 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,774 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,471 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,089 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,161 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,300 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,802 |
| African Island Countries | 0 | - | 4.96 | 101,497 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,202 |
| Australian States and Territories | 0 | - | 4.96 | 141,779 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,249 |
| Australia True or False | 0 | - | 4.87 | 56,803 |
| Flags of North and South America | 0 | - | 4.99 | 372,332 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,511 |
| South America Map Quiz | 0 | - | 5.00 | 1,548,287 |
| South American Physical Geography | 0 | - | 4.58 | 18,332 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,021,401 |
| Canada Provinces and Territories | 0 | - | 5.00 | 341,771 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 639,531 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,825 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,372 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,241,425 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,943 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,511 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,058 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,345 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,044 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,296 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,131 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 170,987 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,908 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,102 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,912 |
| Slavic Countries | 0 | - | 4.96 | 111,542 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,310 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,916 |
| Counties of England | 0 | - | 4.97 | 795,410 |
| Flags of Asia Quiz | 0 | - | 4.99 | 612,258 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,129 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,609 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,029 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,877 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,731 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,363 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,322 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,134 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 49,806 |
| Countries of the Middle East | 0 | - | 4.96 | 200,891 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,466 |
| States of India | 0 | - | 4.95 | 192,866 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,562 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,303 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,705 |
| The Only African Country ... | 0 | - | 4.99 | 129,002 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,089 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,730 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 321,856 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,066 |
| Flags of Oceania | 0 | - | 5.00 | 258,493 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,288 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 145,277 |
| Australia Country Quiz | 0 | - | 4.43 | 69,552 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,489 |
| Regions of New Zealand | 0 | - | 4.85 | 28,471 |
| The Only American Country ... | 0 | - | 4.92 | 121,466 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,999 |
| Famous People from South America | 0 | - | 4.15 | 21,939 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 901,739 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,795 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,946 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,395 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,269 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,376 |
| The U.S. Pledge of Allegiance | 0 | - | 3.98 | 18,349 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,826 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,856 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,775 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,994 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,734 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,343 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,059 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,997 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,434 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,593 |
| Monarchies of Europe | 0 | - | 4.90 | 98,013 |
| European Countries with One Border | 0 | - | 4.97 | 182,594 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,414 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 78,082 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,002 |
| Federal Subjects of Russia | 0 | - | 4.95 | 146,631 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,788 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,248 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,654 |
| States of Germany | 0 | - | 4.96 | 152,132 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,936 |
| Regions of Italy | 0 | - | 4.92 | 75,684 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,001 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,750 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,096 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,164 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,905 |
| Counties of England Map Quiz | 0 | - | 4.97 | 307,126 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,670 |
| Champions League Winners | 0 | - | 4.92 | 1,005,077 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,430 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,843 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,129 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,515 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,062 |
| Monarchies of Asia | 0 | - | 4.97 | 71,014 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,803 |
| Provinces of Turkey | 0 | - | 4.95 | 203,797 |
| Provinces of China | 0 | - | 4.97 | 203,825 |
| Japanese Prefectures | 0 | - | 4.98 | 136,564 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,758 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,694 |
| States of India Map Quiz | 0 | - | 4.83 | 26,454 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,166 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,685 |
| African Great Lakes | 0 | - | 4.82 | 66,104 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,510 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,460 |
| Name a Valid African Country | 0 | - | 4.98 | 153,875 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,749 |
| Tanzania Country Quiz | 0 | - | 4.90 | 33,030 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,436 |
| D.R. Congo Country Quiz | 0 | - | 4.87 | 39,309 |
| Palau Country Quiz | 0 | - | 4.90 | 22,987 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,531 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,998 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,835 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,432 |
| Tonga Country Quiz | 0 | - | 4.83 | 20,502 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,035 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,374 |
