| Uruguay Country Quiz | 0 | - | 4.83 | 31,348 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,144 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,147 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,599 |
| North America Map Quiz | 0 | - | 4.98 | 244,366 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,373 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,599 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,883 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,011 |
| States of Mexico | 0 | - | 4.95 | 173,301 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,136 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 52,936 |
| States of Brazil | 0 | - | 4.98 | 86,357 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,277 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,491 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,081 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,577 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 216,632 |
| Canada Multiple Choice Quiz | 0 | - | 4.53 | 48,887 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,361 |
| Europe Map Quiz | 0 | - | 5.00 | 4,730,500 |
| Africa Map Quiz | 0 | - | 5.00 | 2,104,020 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,164 |
| Australian Capitals | 0 | - | 4.92 | 62,592 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,430 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,571 |
| Official European Union Languages | 0 | - | 4.97 | 236,491 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,685 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,127 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,439,692 |
| Asia Map Quiz | 0 | - | 4.99 | 906,835 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,797 |
| African East Coast | 0 | - | 4.96 | 95,022 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,904 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,780 |
| Largest Land Animals of the Americas | 0 | - | 4.38 | 20,192 |
| New World Crops | 0 | - | 4.33 | 23,502 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,754 |
| North American Physical Geography | 0 | - | 4.35 | 30,352 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,405 |
| Native American Tribes in the US | 0 | - | 4.72 | 25,257 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,085 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,195 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,931 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,529 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,508 |
| The Only European Country ... | 0 | - | 4.91 | 213,763 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,488 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,560 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,440 |
| Countries of Africa | 0 | - | 5.00 | 2,507,122 |
| Australia Map Quiz | 0 | - | 4.94 | 342,436 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,611 |
| History of Mexico | 0 | - | 4.58 | 15,229 |
| South American Geography Quiz #2 | 0 | - | 4.62 | 39,188 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,468 |
| Word Chain - South America | 0 | - | 4.51 | 23,761 |
| United States Map Quiz | 0 | - | 4.98 | 4,141,374 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,084 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,517 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 40,790 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,272 |
| Celtic Nations | 0 | - | 4.69 | 46,809 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,730 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,426 |
| Flags of Africa Quiz | 0 | - | 5.00 | 463,124 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,594 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,546 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,242 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,494 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,065 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,399 |
| African Island Countries | 0 | - | 4.96 | 100,766 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,608 |
| Australian States and Territories | 0 | - | 4.95 | 140,724 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,014 |
| Australia True or False | 0 | - | 4.87 | 56,496 |
| Flags of North and South America | 0 | - | 4.99 | 366,970 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,170 |
| South America Map Quiz | 0 | - | 5.00 | 1,541,037 |
| South American Physical Geography | 0 | - | 4.58 | 18,269 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,414 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,783 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,814 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,489 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,237 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,226,182 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,587 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,693 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,265 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,270 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,455 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,836 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,782 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,831 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,346 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,230 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,173 |
| Slavic Countries | 0 | - | 4.96 | 110,832 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,043 |
| Counties of England | 0 | - | 4.97 | 789,036 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,358 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,339 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,741 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,380 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,218 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,689 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,463 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,661 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,746 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,142 |
| Countries of the Middle East | 0 | - | 4.96 | 198,864 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,241 |
| States of India | 0 | - | 4.94 | 189,978 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,149 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 48,994 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,242 |
| The Only African Country ... | 0 | - | 4.99 | 128,344 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,772 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,047 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,296 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,085 |
| Flags of Oceania | 0 | - | 5.00 | 255,084 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 26,908 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,410 |
| Australia Country Quiz | 0 | - | 4.43 | 69,269 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,044 |
| Regions of New Zealand | 0 | - | 4.85 | 28,124 |
| The Only American Country ... | 0 | - | 4.92 | 120,734 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,321 |
| Famous People from South America | 0 | - | 4.15 | 21,784 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,745 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 56,934 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 62,917 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,943 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,299 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,851 |
| The U.S. Pledge of Allegiance | 0 | - | 3.98 | 18,286 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,043 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,480 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,661 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,350 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,316 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,027 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,350 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,825 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,198 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,133 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,779 |
| Monarchies of Europe | 0 | - | 4.90 | 97,295 |
| European Countries with One Border | 0 | - | 4.97 | 181,590 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,502 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,221 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,914 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,935 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,175 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,101 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,667 |
| States of Germany | 0 | - | 4.96 | 150,006 |
| Germany Immigration by Country | 0 | - | 4.84 | 79,999 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,517 |
| Regions of Italy | 0 | - | 4.92 | 74,682 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,790 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,303 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,136 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,097 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 92,897 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,066 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,403 |
| Champions League Winners | 0 | - | 4.92 | 996,132 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 65,988 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,010 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,336 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,726 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,384 |
| Monarchies of Asia | 0 | - | 4.97 | 70,590 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,427 |
| Provinces of Turkey | 0 | - | 4.95 | 200,937 |
| Provinces of China | 0 | - | 4.97 | 200,062 |
| Japanese Prefectures | 0 | - | 4.98 | 134,509 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,201 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,853 |
| States of India Map Quiz | 0 | - | 4.82 | 26,021 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,767 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,325 |
| African Great Lakes | 0 | - | 4.82 | 65,124 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,852 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,347 |
| Name a Valid African Country | 0 | - | 4.98 | 152,919 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,480 |
| Tanzania Country Quiz | 0 | - | 4.91 | 32,812 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,032 |
| D.R. Congo Country Quiz | 0 | - | 4.87 | 39,042 |
| Palau Country Quiz | 0 | - | 4.89 | 22,834 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,206 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,476 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,186 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,292 |
| Tonga Country Quiz | 0 | - | 4.82 | 20,345 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,065 |
