| Uruguay Country Quiz | 0 | - | 4.83 | 31,354 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,161 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,178 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,602 |
| North America Map Quiz | 0 | - | 4.98 | 244,512 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,382 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,626 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,906 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,018 |
| States of Mexico | 0 | - | 4.95 | 173,369 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,162 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 52,980 |
| States of Brazil | 0 | - | 4.98 | 86,404 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,403 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,556 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,124 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,583 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 216,762 |
| Canada Multiple Choice Quiz | 0 | - | 4.53 | 48,904 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,371 |
| Europe Map Quiz | 0 | - | 5.00 | 4,731,866 |
| Africa Map Quiz | 0 | - | 5.00 | 2,104,547 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,411 |
| Australian Capitals | 0 | - | 4.92 | 62,594 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,453 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,589 |
| Official European Union Languages | 0 | - | 4.97 | 236,682 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,712 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,249 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,440,570 |
| Asia Map Quiz | 0 | - | 4.99 | 907,162 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,831 |
| African East Coast | 0 | - | 4.96 | 95,061 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,943 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,809 |
| Largest Land Animals of the Americas | 0 | - | 4.38 | 20,194 |
| New World Crops | 0 | - | 4.33 | 23,503 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,755 |
| North American Physical Geography | 0 | - | 4.35 | 30,356 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,406 |
| Native American Tribes in the US | 0 | - | 4.72 | 25,263 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,175 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,217 |
| Countries That Use the Euro | 0 | - | 4.96 | 103,033 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,545 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,595 |
| The Only European Country ... | 0 | - | 4.91 | 213,891 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,573 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,571 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,489 |
| Countries of Africa | 0 | - | 5.00 | 2,508,302 |
| Australia Map Quiz | 0 | - | 4.94 | 342,522 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,614 |
| History of Mexico | 0 | - | 4.58 | 15,231 |
| South American Geography Quiz #2 | 0 | - | 4.62 | 39,200 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,473 |
| Word Chain - South America | 0 | - | 4.51 | 23,767 |
| United States Map Quiz | 0 | - | 4.98 | 4,142,073 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,091 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,521 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 40,798 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,341 |
| Celtic Nations | 0 | - | 4.69 | 46,814 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,997 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,440 |
| Flags of Africa Quiz | 0 | - | 5.00 | 463,515 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,643 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,591 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,294 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,511 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,141 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,484 |
| African Island Countries | 0 | - | 4.96 | 100,802 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,679 |
| Australian States and Territories | 0 | - | 4.96 | 140,923 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,022 |
| Australia True or False | 0 | - | 4.87 | 56,513 |
| Flags of North and South America | 0 | - | 4.99 | 367,367 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,251 |
| South America Map Quiz | 0 | - | 5.00 | 1,541,332 |
| South American Physical Geography | 0 | - | 4.58 | 18,271 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,866 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,983 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 636,037 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,502 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,243 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,227,006 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,966 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,727 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,302 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,379 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,482 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,861 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,876 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,963 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,483 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,280 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,214 |
| Slavic Countries | 0 | - | 4.96 | 110,874 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,052 |
| Counties of England | 0 | - | 4.97 | 789,348 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,690 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,361 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,783 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,433 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,268 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,736 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,505 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,701 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,786 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,168 |
| Countries of the Middle East | 0 | - | 4.96 | 198,955 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,253 |
| States of India | 0 | - | 4.94 | 190,168 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,168 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,008 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,258 |
| The Only African Country ... | 0 | - | 4.99 | 128,377 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,783 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,082 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,372 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,121 |
| Flags of Oceania | 0 | - | 5.00 | 255,258 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 26,924 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,442 |
| Australia Country Quiz | 0 | - | 4.43 | 69,287 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,061 |
| Regions of New Zealand | 0 | - | 4.85 | 28,144 |
| The Only American Country ... | 0 | - | 4.92 | 120,773 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,356 |
| Famous People from South America | 0 | - | 4.15 | 21,787 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,841 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 56,989 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,003 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,964 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,348 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,881 |
| The U.S. Pledge of Allegiance | 0 | - | 3.98 | 18,298 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,082 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,503 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,663 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,378 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,341 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,053 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,414 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,888 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,232 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,153 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,836 |
| Monarchies of Europe | 0 | - | 4.90 | 97,337 |
| European Countries with One Border | 0 | - | 4.97 | 181,647 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,547 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,284 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,970 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,028 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,220 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,163 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,712 |
| States of Germany | 0 | - | 4.96 | 150,115 |
| Germany Immigration by Country | 0 | - | 4.84 | 80,032 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,528 |
| Regions of Italy | 0 | - | 4.92 | 74,737 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,828 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,379 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,206 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,212 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 92,954 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,115 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,442 |
| Champions League Winners | 0 | - | 4.92 | 996,550 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,005 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,068 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,376 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,807 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,424 |
| Monarchies of Asia | 0 | - | 4.97 | 70,612 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,435 |
| Provinces of Turkey | 0 | - | 4.95 | 201,085 |
| Provinces of China | 0 | - | 4.97 | 200,174 |
| Japanese Prefectures | 0 | - | 4.98 | 134,632 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,225 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,912 |
| States of India Map Quiz | 0 | - | 4.82 | 26,046 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,782 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,341 |
| African Great Lakes | 0 | - | 4.82 | 65,179 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,873 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,371 |
| Name a Valid African Country | 0 | - | 4.98 | 152,953 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,493 |
| Tanzania Country Quiz | 0 | - | 4.90 | 32,824 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,053 |
| D.R. Congo Country Quiz | 0 | - | 4.87 | 39,058 |
| Palau Country Quiz | 0 | - | 4.89 | 22,845 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,226 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,520 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,212 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,298 |
| Tonga Country Quiz | 0 | - | 4.82 | 20,351 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,097 |
