| Uruguay Country Quiz | 0 | - | 4.83 | 31,407 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,268 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,346 |
| North America Map Quiz | 0 | - | 4.98 | 245,667 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,459 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,774 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,089 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,965 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,850 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,089 |
| States of Mexico | 0 | - | 4.95 | 174,000 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,358 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.91 | 53,206 |
| States of Brazil | 0 | - | 4.98 | 86,762 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,806 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,619 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,612 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 217,444 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,003 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,413 |
| Australian Capitals | 0 | - | 4.92 | 62,614 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,736 |
| Official European Union Languages | 0 | - | 4.97 | 237,291 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,107 |
| Europe Map Quiz | 0 | - | 5.00 | 4,738,977 |
| Africa Map Quiz | 0 | - | 5.00 | 2,107,443 |
| Oceania Map Quiz | 0 | - | 4.98 | 636,963 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,566 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,897 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,442,558 |
| Asia Map Quiz | 0 | - | 4.99 | 908,885 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,757 |
| Native American Tribes in the US | 0 | - | 4.72 | 25,296 |
| Countries of Africa | 0 | - | 5.00 | 2,514,601 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,017 |
| African East Coast | 0 | - | 4.96 | 95,284 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,176 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,035 |
| Australia Map Quiz | 0 | - | 4.94 | 342,890 |
| Largest Land Animals of the Americas | 0 | - | 4.38 | 20,212 |
| New World Crops | 0 | - | 4.33 | 27,688 |
| North American Physical Geography | 0 | - | 4.35 | 30,369 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,413 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,625 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,370 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,509 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,799 |
| Celtic Nations | 0 | - | 4.69 | 46,841 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,633 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,968 |
| The Only European Country ... | 0 | - | 4.91 | 214,555 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,967 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,623 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,907 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,377,785 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,541 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,920 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,739 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,498 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,674 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,434 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,885 |
| African Island Countries | 0 | - | 4.96 | 100,979 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 242,075 |
| Australian States and Territories | 0 | - | 4.96 | 141,155 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,078 |
| Australia True or False | 0 | - | 4.87 | 56,589 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,645 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,562 |
| History of Mexico | 0 | - | 4.58 | 15,245 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,230 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,498 |
| Word Chain - South America | 0 | - | 4.51 | 23,791 |
| United States Map Quiz | 0 | - | 4.98 | 4,145,297 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,147 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,552 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 40,855 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,598 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,264 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,933 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,519 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,905 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,634 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,976 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,640 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,819 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,964 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,508 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,371 |
| Slavic Countries | 0 | - | 4.96 | 111,050 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,127 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,643 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,492 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,999 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,580 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,441 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,019 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,722 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,863 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 229,191 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,325 |
| Countries of the Middle East | 0 | - | 4.96 | 199,407 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,303 |
| Flags of Africa Quiz | 0 | - | 5.00 | 465,135 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,258 |
| Australia Country Quiz | 0 | - | 4.43 | 69,363 |
| Flags of North and South America | 0 | - | 4.99 | 368,823 |
| South America Map Quiz | 0 | - | 5.00 | 1,542,829 |
| South American Physical Geography | 0 | - | 4.58 | 18,292 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,014,776 |
| Canada Provinces and Territories | 0 | - | 5.00 | 338,930 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 636,953 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,230,836 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,321,758 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,223 |
| Counties of England | 0 | - | 4.97 | 790,944 |
| Flags of Asia Quiz | 0 | - | 4.99 | 607,329 |
| States of India | 0 | - | 4.94 | 191,030 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,048 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,346 |
| The Only African Country ... | 0 | - | 4.99 | 128,528 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,850 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,255 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,761 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,551 |
| Flags of Oceania | 0 | - | 5.00 | 256,128 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,053 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,633 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,188 |
| Regions of New Zealand | 0 | - | 4.85 | 28,288 |
| The Only American Country ... | 0 | - | 4.92 | 120,974 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,489 |
| Famous People from South America | 0 | - | 4.15 | 21,828 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 900,332 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,205 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,244 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,081 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,558 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,024 |
| The U.S. Pledge of Allegiance | 0 | - | 3.98 | 18,310 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,234 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,609 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,692 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,577 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,518 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,197 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,653 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,192 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,407 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,024 |
| Monarchies of Europe | 0 | - | 4.90 | 97,518 |
| European Countries with One Border | 0 | - | 4.97 | 181,875 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,779 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,511 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,241 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,696 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,357 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,492 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,984 |
| States of Germany | 0 | - | 4.96 | 150,650 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,203 |
| Regions of Italy | 0 | - | 4.92 | 74,967 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,987 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,781 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,528 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,775 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,189 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,389 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,581 |
| Champions League Winners | 0 | - | 4.92 | 998,598 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,118 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,288 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,566 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,226 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,612 |
| Monarchies of Asia | 0 | - | 4.97 | 70,718 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,532 |
| Provinces of Turkey | 0 | - | 4.95 | 202,291 |
| Provinces of China | 0 | - | 4.97 | 201,085 |
| Japanese Prefectures | 0 | - | 4.98 | 135,171 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,376 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,122 |
| Kazakhstan Country Quiz | 0 | - | 4.83 | 35,230 |
| States of India Map Quiz | 0 | - | 4.82 | 26,144 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,875 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,449 |
| African Great Lakes | 0 | - | 4.82 | 65,463 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,006 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,537 |
| Name a Valid African Country | 0 | - | 4.98 | 153,177 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,579 |
| Tanzania Country Quiz | 0 | - | 4.90 | 32,878 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,143 |
| D.R. Congo Country Quiz | 0 | - | 4.87 | 39,115 |
| Palau Country Quiz | 0 | - | 4.90 | 22,884 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,315 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,657 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,394 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,331 |
| Tonga Country Quiz | 0 | - | 4.82 | 20,399 |
