| North America Map Quiz | 0 | - | 4.98 | 245,961 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,487 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,811 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,419 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,160 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,622 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 217,671 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,042 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,429 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,326 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,419 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,417 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,621 |
| Native American Tribes in the US | 0 | - | 4.72 | 25,308 |
| States of Mexico | 0 | - | 4.95 | 174,204 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,433 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,265 |
| States of Brazil | 0 | - | 4.97 | 86,844 |
| North American Physical Geography | 0 | - | 4.35 | 30,371 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,415 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,114 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,167 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,558 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 40,869 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 527,245 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,622 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,067 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,706 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,918 |
| Australian Capitals | 0 | - | 4.92 | 62,637 |
| The U.S. Pledge of Allegiance | 0 | - | 3.98 | 18,313 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,780 |
| Official European Union Languages | 0 | - | 4.97 | 237,420 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,182 |
| Europe Map Quiz | 0 | - | 5.00 | 4,741,226 |
| Africa Map Quiz | 0 | - | 5.00 | 2,108,704 |
| Oceania Map Quiz | 0 | - | 4.98 | 637,537 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,759 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,089 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,443,038 |
| Asia Map Quiz | 0 | - | 4.99 | 909,654 |
| Countries of Africa | 0 | - | 5.00 | 2,516,709 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,133 |
| African East Coast | 0 | - | 4.96 | 95,378 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,243 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,075 |
| Australia Map Quiz | 0 | - | 4.94 | 343,006 |
| Largest Land Animals of the Americas | 0 | - | 4.38 | 20,214 |
| New World Crops | 0 | - | 4.38 | 30,094 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,654 |
| History of Mexico | 0 | - | 4.58 | 15,249 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,239 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,505 |
| Word Chain - South America | 0 | - | 4.51 | 23,801 |
| United States Map Quiz | 0 | - | 4.98 | 4,146,364 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,783 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,408 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,635 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,946 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,691 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,092 |
| The Only European Country ... | 0 | - | 4.91 | 214,754 |
| European Countries NOT in NATO | 0 | - | 4.87 | 60,072 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,640 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 98,003 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,378,462 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,583 |
| Flags of Africa Quiz | 0 | - | 5.00 | 465,709 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,028 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,805 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,559 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,733 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,538 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,001 |
| African Island Countries | 0 | - | 4.96 | 101,046 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 242,225 |
| Australian States and Territories | 0 | - | 4.96 | 141,225 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,100 |
| Australia True or False | 0 | - | 4.87 | 56,617 |
| Flags of North and South America | 0 | - | 4.99 | 369,273 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,656 |
| South America Map Quiz | 0 | - | 5.00 | 1,543,395 |
| South American Physical Geography | 0 | - | 4.58 | 18,295 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,015,633 |
| Canada Provinces and Territories | 0 | - | 5.00 | 339,250 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 637,238 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,621 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,289 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,232,162 |
| Celtic Nations | 0 | - | 4.69 | 46,856 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,322,289 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,002 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,582 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,046 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,661 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,021 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,978 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,047 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,091 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,588 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,402 |
| Slavic Countries | 0 | - | 4.96 | 111,117 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,147 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,695 |
| Counties of England | 0 | - | 4.97 | 791,545 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 351,766 |
| Flags of Asia Quiz | 0 | - | 4.99 | 607,880 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,723 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,079 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,641 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,498 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,119 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,817 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,919 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 229,352 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,380 |
| Countries of the Middle East | 0 | - | 4.96 | 199,565 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,320 |
| States of India | 0 | - | 4.94 | 191,229 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,319 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,130 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,391 |
| The Only African Country ... | 0 | - | 4.98 | 128,602 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,879 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,302 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,996 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,614 |
| Flags of Oceania | 0 | - | 5.00 | 256,421 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,079 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,697 |
| Australia Country Quiz | 0 | - | 4.43 | 69,385 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,228 |
| Regions of New Zealand | 0 | - | 4.85 | 28,320 |
| The Only American Country ... | 0 | - | 4.92 | 121,066 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,613 |
| Places Mentioned in the Song "Kokomo" | 0 | - | 4.44 | 16,981 |
| Famous People from South America | 0 | - | 4.15 | 21,843 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 900,455 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,266 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,314 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,118 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,652 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,072 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,314 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,635 |
| US States Quiz | 0 | - | 5.00 | 16,754,295 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,658 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,548 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,245 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,748 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,298 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,468 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,257 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,109 |
| Monarchies of Europe | 0 | - | 4.90 | 97,573 |
| European Countries with One Border | 0 | - | 4.97 | 181,963 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,851 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,564 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,334 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,914 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,413 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,591 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,040 |
| States of Germany | 0 | - | 4.96 | 150,791 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,251 |
| Regions of Italy | 0 | - | 4.92 | 75,032 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 44,025 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,946 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,620 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,944 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,242 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,481 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,597 |
| Champions League Winners | 0 | - | 4.92 | 999,386 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,138 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,361 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,658 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,397 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,666 |
| Monarchies of Asia | 0 | - | 4.97 | 70,758 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,560 |
| Provinces of Turkey | 0 | - | 4.95 | 202,556 |
| Provinces of China | 0 | - | 4.97 | 201,413 |
| Japanese Prefectures | 0 | - | 4.98 | 135,335 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,424 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,190 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,875 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 92,952 |
| Kazakhstan Country Quiz | 0 | - | 4.79 | 35,398 |
| Bhutan Country Quiz | 0 | - | 4.87 | 24,092 |
| States of India Map Quiz | 0 | - | 4.82 | 26,173 |
| Countries Bordering India | 0 | - | 4.98 | 163,122 |
| Countries Closest to India | 0 | - | 4.97 | 102,396 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,916 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,473 |
| African Great Lakes | 0 | - | 4.82 | 65,542 |
| Every African Country Shape | 0 | - | 4.90 | 86,459 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,075 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,394 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,644 |
