| Uruguay Country Quiz | 0 | - | 4.84 | 31,533 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,542 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,130 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,693 |
| North America Map Quiz | 0 | - | 4.98 | 247,951 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,671 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,065 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,580 |
| States of Mexico | 0 | - | 4.95 | 175,653 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,815 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,711 |
| States of Brazil | 0 | - | 4.97 | 87,728 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,214 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 529,030 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,703 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,961 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 219,392 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,258 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,509 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,798 |
| Australian Capitals | 0 | - | 4.92 | 62,706 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,885 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,480 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,035 |
| Official European Union Languages | 0 | - | 4.97 | 238,238 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,687 |
| Europe Map Quiz | 0 | - | 5.00 | 4,757,456 |
| Africa Map Quiz | 0 | - | 5.00 | 2,115,537 |
| Oceania Map Quiz | 0 | - | 4.98 | 641,038 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,772 |
| Native American Tribes in the US | 0 | - | 4.72 | 25,481 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,686 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,447,143 |
| Asia Map Quiz | 0 | - | 4.99 | 915,149 |
| Countries of Africa | 0 | - | 5.00 | 2,531,848 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,679 |
| African East Coast | 0 | - | 4.96 | 95,885 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,697 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,536 |
| Australia Map Quiz | 0 | - | 4.95 | 343,960 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,255 |
| New World Crops | 0 | - | 4.38 | 30,852 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,730 |
| History of Mexico | 0 | - | 4.58 | 15,295 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,320 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,561 |
| Word Chain - South America | 0 | - | 4.51 | 23,882 |
| North American Physical Geography | 0 | - | 4.35 | 30,407 |
| United States Map Quiz | 0 | - | 4.98 | 4,154,892 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,437 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,268 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,611 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 40,974 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,874 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,596 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,677 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,114 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,917 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,941 |
| The Only European Country ... | 0 | - | 4.91 | 216,159 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,865 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,777 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,746 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,381,717 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,908 |
| Flags of Africa Quiz | 0 | - | 5.00 | 469,828 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,749 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,450 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,070 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,140 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,267 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,782 |
| African Island Countries | 0 | - | 4.96 | 101,479 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,167 |
| Australian States and Territories | 0 | - | 4.96 | 141,774 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,247 |
| Australia True or False | 0 | - | 4.87 | 56,797 |
| Flags of North and South America | 0 | - | 4.99 | 372,274 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,480 |
| South America Map Quiz | 0 | - | 5.00 | 1,547,943 |
| South American Physical Geography | 0 | - | 4.58 | 18,332 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,021,175 |
| Canada Provinces and Territories | 0 | - | 5.00 | 341,661 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 639,416 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,819 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,369 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,241,112 |
| Celtic Nations | 0 | - | 4.69 | 46,915 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,809 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,490 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,041 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,306 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,039 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,287 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,103 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 170,918 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,882 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,084 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,845 |
| Slavic Countries | 0 | - | 4.96 | 111,533 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,306 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,910 |
| Counties of England | 0 | - | 4.97 | 795,302 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 354,904 |
| Flags of Asia Quiz | 0 | - | 4.99 | 612,011 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,123 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,594 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,015 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,860 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,715 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,340 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,312 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,106 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 49,801 |
| Countries of the Middle East | 0 | - | 4.96 | 200,867 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,462 |
| States of India | 0 | - | 4.95 | 192,829 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,555 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,302 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,692 |
| The Only African Country ... | 0 | - | 4.99 | 128,990 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,081 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,717 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 321,820 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,052 |
| Flags of Oceania | 0 | - | 5.00 | 258,418 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,280 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 145,265 |
| Australia Country Quiz | 0 | - | 4.43 | 69,546 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,483 |
| Regions of New Zealand | 0 | - | 4.85 | 28,465 |
| The Only American Country ... | 0 | - | 4.92 | 121,453 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,981 |
| Places Mentioned in the Song "Kokomo" | 0 | - | 4.44 | 17,012 |
| Famous People from South America | 0 | - | 4.15 | 21,935 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 901,679 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,769 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,931 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,384 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,246 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,366 |
| The U.S. Pledge of Allegiance | 0 | - | 3.98 | 18,349 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,802 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,845 |
| US States Quiz | 0 | - | 5.00 | 16,842,693 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,775 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,976 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,724 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,328 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,034 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,973 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,425 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,574 |
| Monarchies of Europe | 0 | - | 4.90 | 98,002 |
| European Countries with One Border | 0 | - | 4.97 | 182,579 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,395 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 78,075 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,975 |
| Federal Subjects of Russia | 0 | - | 4.95 | 146,587 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,777 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,234 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,615 |
| States of Germany | 0 | - | 4.96 | 152,101 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,928 |
| Regions of Italy | 0 | - | 4.92 | 75,665 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 51,990 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,731 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,090 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,137 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,899 |
| Counties of England Map Quiz | 0 | - | 4.97 | 307,105 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,667 |
| Champions League Winners | 0 | - | 4.92 | 1,004,775 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,429 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,829 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,117 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,453 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,049 |
| Monarchies of Asia | 0 | - | 4.97 | 71,009 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,794 |
| Provinces of Turkey | 0 | - | 4.95 | 203,786 |
| Provinces of China | 0 | - | 4.97 | 203,746 |
| Japanese Prefectures | 0 | - | 4.98 | 136,548 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,752 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,673 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,174 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 93,219 |
| Bhutan Country Quiz | 0 | - | 4.87 | 24,193 |
| States of India Map Quiz | 0 | - | 4.83 | 26,446 |
| Countries Bordering India | 0 | - | 4.98 | 163,357 |
| Countries Closest to India | 0 | - | 4.97 | 102,675 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,158 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,676 |
| African Great Lakes | 0 | - | 4.82 | 66,094 |
| Every African Country Shape | 0 | - | 4.90 | 87,109 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,504 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,171 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,448 |
| Name a Valid African Country | 0 | - | 4.98 | 153,863 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,743 |
