| Uruguay Country Quiz | 0 | - | 4.83 | 31,403 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,238 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,310 |
| North America Map Quiz | 0 | - | 4.98 | 245,516 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,450 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,748 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,025 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,867 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,806 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,077 |
| States of Mexico | 0 | - | 4.95 | 173,908 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,315 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.91 | 53,170 |
| States of Brazil | 0 | - | 4.98 | 86,719 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,736 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,617 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,610 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 217,363 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 48,985 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,409 |
| Australian Capitals | 0 | - | 4.92 | 62,612 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,723 |
| Official European Union Languages | 0 | - | 4.97 | 237,237 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,080 |
| Europe Map Quiz | 0 | - | 5.00 | 4,737,870 |
| Africa Map Quiz | 0 | - | 5.00 | 2,106,887 |
| Oceania Map Quiz | 0 | - | 4.98 | 636,696 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,554 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,811 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,442,396 |
| Asia Map Quiz | 0 | - | 4.99 | 908,645 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,757 |
| Native American Tribes in the US | 0 | - | 4.72 | 25,291 |
| Countries of Africa | 0 | - | 5.00 | 2,513,646 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,984 |
| African East Coast | 0 | - | 4.96 | 95,248 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,134 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,003 |
| Australia Map Quiz | 0 | - | 4.94 | 342,835 |
| Largest Land Animals of the Americas | 0 | - | 4.38 | 20,208 |
| New World Crops | 0 | - | 4.33 | 24,454 |
| 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 | 210,569 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,362 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,435 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,734 |
| Celtic Nations | 0 | - | 4.69 | 46,839 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,613 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,924 |
| The Only European Country ... | 0 | - | 4.91 | 214,436 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,916 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,616 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,843 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,377,516 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,524 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,877 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,718 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,469 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,645 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,389 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,822 |
| African Island Countries | 0 | - | 4.96 | 100,949 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,999 |
| Australian States and Territories | 0 | - | 4.96 | 141,124 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,070 |
| Australia True or False | 0 | - | 4.87 | 56,581 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,638 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,464 |
| History of Mexico | 0 | - | 4.58 | 15,244 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,226 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,494 |
| Word Chain - South America | 0 | - | 4.51 | 23,787 |
| United States Map Quiz | 0 | - | 4.98 | 4,144,895 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,137 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,550 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 40,845 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,582 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,262 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,911 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,487 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,823 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,620 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,962 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,356 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,694 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,914 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,468 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,355 |
| Slavic Countries | 0 | - | 4.96 | 111,028 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,113 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,631 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,474 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,966 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,562 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,417 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,989 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,694 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,841 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 229,117 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,304 |
| Countries of the Middle East | 0 | - | 4.96 | 199,325 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,298 |
| Flags of Africa Quiz | 0 | - | 5.00 | 464,850 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,244 |
| Australia Country Quiz | 0 | - | 4.43 | 69,358 |
| Flags of North and South America | 0 | - | 4.99 | 368,661 |
| South America Map Quiz | 0 | - | 5.00 | 1,542,543 |
| South American Physical Geography | 0 | - | 4.58 | 18,290 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,014,363 |
| Canada Provinces and Territories | 0 | - | 5.00 | 338,809 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 636,832 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,230,242 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,321,517 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,220 |
| Counties of England | 0 | - | 4.97 | 790,616 |
| Flags of Asia Quiz | 0 | - | 4.99 | 607,101 |
| States of India | 0 | - | 4.94 | 190,950 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,044 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,330 |
| The Only African Country ... | 0 | - | 4.99 | 128,489 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,835 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,235 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,701 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,525 |
| Flags of Oceania | 0 | - | 5.00 | 256,040 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,038 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,600 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,165 |
| Regions of New Zealand | 0 | - | 4.85 | 28,279 |
| The Only American Country ... | 0 | - | 4.92 | 120,923 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,471 |
| Famous People from South America | 0 | - | 4.15 | 21,826 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 900,259 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,171 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,209 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,064 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,533 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,010 |
| The U.S. Pledge of Allegiance | 0 | - | 3.98 | 18,308 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,220 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,599 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,685 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,549 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,504 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,176 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,615 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,146 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,379 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,989 |
| Monarchies of Europe | 0 | - | 4.90 | 97,492 |
| European Countries with One Border | 0 | - | 4.97 | 181,843 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,741 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,499 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,195 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,594 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,335 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,464 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,955 |
| States of Germany | 0 | - | 4.96 | 150,551 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,175 |
| Regions of Italy | 0 | - | 4.92 | 74,938 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,965 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,628 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,495 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,719 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,170 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,364 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,578 |
| Champions League Winners | 0 | - | 4.92 | 998,243 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,108 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,252 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,535 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,180 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,586 |
| Monarchies of Asia | 0 | - | 4.97 | 70,695 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,516 |
| Provinces of Turkey | 0 | - | 4.95 | 202,101 |
| Provinces of China | 0 | - | 4.97 | 200,965 |
| Japanese Prefectures | 0 | - | 4.98 | 135,120 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,356 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,092 |
| Kazakhstan Country Quiz | 0 | - | 4.83 | 35,141 |
| States of India Map Quiz | 0 | - | 4.82 | 26,134 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,857 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,436 |
| African Great Lakes | 0 | - | 4.82 | 65,408 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,989 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,506 |
| Name a Valid African Country | 0 | - | 4.98 | 153,139 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,569 |
| Tanzania Country Quiz | 0 | - | 4.90 | 32,872 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,135 |
| D.R. Congo Country Quiz | 0 | - | 4.87 | 39,110 |
| Palau Country Quiz | 0 | - | 4.90 | 22,878 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,299 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,630 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,377 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,327 |
| Tonga Country Quiz | 0 | - | 4.82 | 20,394 |
