| North America Map Quiz | 0 | - | 4.98 | 245,965 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,487 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,813 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,419 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,161 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,622 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 217,681 |
| 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 | 112,329 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,422 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,417 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,624 |
| Native American Tribes in the US | 0 | - | 4.72 | 25,308 |
| States of Mexico | 0 | - | 4.95 | 174,211 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,437 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,267 |
| States of Brazil | 0 | - | 4.97 | 86,852 |
| 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 | 49,115 |
| 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 | 527,274 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,625 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,068 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,706 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,927 |
| Australian Capitals | 0 | - | 4.92 | 62,639 |
| The U.S. Pledge of Allegiance | 0 | - | 3.98 | 18,313 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,782 |
| Official European Union Languages | 0 | - | 4.97 | 237,424 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,182 |
| Europe Map Quiz | 0 | - | 5.00 | 4,741,311 |
| Africa Map Quiz | 0 | - | 5.00 | 2,108,731 |
| Oceania Map Quiz | 0 | - | 4.98 | 637,541 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,759 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,097 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,443,046 |
| Asia Map Quiz | 0 | - | 4.99 | 909,670 |
| Countries of Africa | 0 | - | 5.00 | 2,516,813 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,134 |
| African East Coast | 0 | - | 4.96 | 95,381 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,246 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,078 |
| Australia Map Quiz | 0 | - | 4.94 | 343,020 |
| Largest Land Animals of the Americas | 0 | - | 4.38 | 20,214 |
| New World Crops | 0 | - | 4.38 | 30,113 |
| 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 | 39,240 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,507 |
| Word Chain - South America | 0 | - | 4.51 | 23,803 |
| United States Map Quiz | 0 | - | 4.98 | 4,146,389 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,789 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,409 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,641 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,952 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,692 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,097 |
| The Only European Country ... | 0 | - | 4.91 | 214,770 |
| European Countries NOT in NATO | 0 | - | 4.87 | 60,080 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,640 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 98,008 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,378,469 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,583 |
| Flags of Africa Quiz | 0 | - | 5.00 | 465,758 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,033 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,806 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,566 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,736 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,549 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,005 |
| African Island Countries | 0 | - | 4.96 | 101,047 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 242,231 |
| Australian States and Territories | 0 | - | 4.96 | 141,226 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,100 |
| Australia True or False | 0 | - | 4.87 | 56,618 |
| Flags of North and South America | 0 | - | 4.99 | 369,299 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,661 |
| South America Map Quiz | 0 | - | 5.00 | 1,543,416 |
| South American Physical Geography | 0 | - | 4.58 | 18,295 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,015,660 |
| Canada Provinces and Territories | 0 | - | 5.00 | 339,258 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 637,247 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,622 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,290 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,232,234 |
| Celtic Nations | 0 | - | 4.69 | 46,856 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,322,319 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,005 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,583 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,048 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,665 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,026 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,986 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,053 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,096 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,590 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,403 |
| Slavic Countries | 0 | - | 4.96 | 111,121 |
| 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 | 791,567 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 351,791 |
| Flags of Asia Quiz | 0 | - | 4.99 | 607,902 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,731 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,081 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,643 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,504 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,124 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,826 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,919 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 229,361 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,382 |
| Countries of the Middle East | 0 | - | 4.96 | 199,570 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,320 |
| States of India | 0 | - | 4.94 | 191,237 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,320 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,134 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,391 |
| The Only African Country ... | 0 | - | 4.98 | 128,607 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,881 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,306 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 320,033 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,615 |
| Flags of Oceania | 0 | - | 5.00 | 256,428 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,079 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,702 |
| Australia Country Quiz | 0 | - | 4.43 | 69,386 |
| 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 | 121,068 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,615 |
| Places Mentioned in the Song "Kokomo" | 0 | - | 4.44 | 16,981 |
| Famous People from South America | 0 | - | 4.15 | 21,844 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 900,462 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,266 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,316 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,119 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,654 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,074 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,314 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,637 |
| US States Quiz | 0 | - | 5.00 | 16,754,812 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,659 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,551 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,248 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,751 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,303 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,471 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,257 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,112 |
| Monarchies of Europe | 0 | - | 4.90 | 97,574 |
| European Countries with One Border | 0 | - | 4.97 | 181,968 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,851 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,568 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,340 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,923 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,418 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,594 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,045 |
| States of Germany | 0 | - | 4.96 | 150,795 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,255 |
| Regions of Italy | 0 | - | 4.92 | 75,035 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 44,027 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,950 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,622 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,950 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,243 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,482 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,598 |
| Champions League Winners | 0 | - | 4.92 | 999,439 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,139 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,362 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,662 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,404 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,666 |
| Monarchies of Asia | 0 | - | 4.97 | 70,758 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,563 |
| Provinces of Turkey | 0 | - | 4.95 | 202,568 |
| Provinces of China | 0 | - | 4.97 | 201,429 |
| Japanese Prefectures | 0 | - | 4.98 | 135,341 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,427 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,191 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,876 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 92,954 |
| Kazakhstan Country Quiz | 0 | - | 4.79 | 35,404 |
| Bhutan Country Quiz | 0 | - | 4.87 | 24,092 |
| States of India Map Quiz | 0 | - | 4.82 | 26,174 |
| Countries Bordering India | 0 | - | 4.98 | 163,123 |
| Countries Closest to India | 0 | - | 4.97 | 102,397 |
| 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 | 65,544 |
| Every African Country Shape | 0 | - | 4.90 | 86,462 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,079 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,397 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,647 |
