| Australian Capitals | 0 | - | 4.92 | 62,688 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,421 |
| Australia True or False | 0 | - | 4.87 | 56,743 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,228 |
| Australia Country Quiz | 0 | - | 4.43 | 69,498 |
| Regions of New Zealand | 0 | - | 4.85 | 28,444 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 528,471 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,754 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,530 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,965 |
| Official European Union Languages | 0 | - | 4.97 | 238,004 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,540 |
| Europe Map Quiz | 0 | - | 5.00 | 4,753,128 |
| Africa Map Quiz | 0 | - | 5.00 | 2,113,766 |
| Oceania Map Quiz | 0 | - | 4.98 | 640,039 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 47,938 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,251 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,445,997 |
| Asia Map Quiz | 0 | - | 4.99 | 913,673 |
| Word Chain - Australia | 0 | - | 4.38 | 38,105 |
| Countries of Africa | 0 | - | 5.00 | 2,528,116 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,511 |
| African East Coast | 0 | - | 4.96 | 95,734 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,546 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,409 |
| Australia Map Quiz | 0 | - | 4.95 | 343,680 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,589 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,544 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,363 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,784 |
| Celtic Nations | 0 | - | 4.69 | 46,901 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,850 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,683 |
| The Only European Country ... | 0 | - | 4.91 | 215,790 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,637 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,731 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 98,522 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,380,463 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,830 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,544 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,235 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,913 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,003 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,062 |
| Top African Languages on a Map | 0 | - | 4.93 | 73,547 |
| African Island Countries | 0 | - | 4.96 | 101,350 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 242,949 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,664 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,029 |
| Australian States and Territories | 0 | - | 4.96 | 141,593 |
| Famous Australians by Description | 0 | - | 4.23 | 27,853 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,211 |
| Australian Slang | 0 | - | 4.24 | 28,587 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,485 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,907 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,204 |
| North America Map Quiz | 0 | - | 4.98 | 247,392 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,620 |
| United States Map Quiz | 0 | - | 4.98 | 4,151,994 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,005 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,764 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,350 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,348 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,899 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,972 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,930 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,205 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,833 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 170,248 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,673 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,919 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,655 |
| Slavic Countries | 0 | - | 4.96 | 111,419 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,275 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,857 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,030 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,450 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,901 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,758 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,572 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,198 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,198 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 229,902 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 49,684 |
| Countries of the Middle East | 0 | - | 4.96 | 200,612 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,406 |
| Flags of Africa Quiz | 0 | - | 5.00 | 468,633 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,496 |
| Flags of North and South America | 0 | - | 4.99 | 371,506 |
| South America Map Quiz | 0 | - | 5.00 | 1,546,708 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,019,728 |
| Canada Provinces and Territories | 0 | - | 5.00 | 340,885 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 638,798 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,238,748 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,325,568 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,371 |
| Counties of England | 0 | - | 4.97 | 794,173 |
| Flags of Asia Quiz | 0 | - | 4.99 | 610,900 |
| States of India | 0 | - | 4.94 | 192,344 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,251 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,593 |
| The Only African Country ... | 0 | - | 4.99 | 128,874 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,029 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,596 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 321,238 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,939 |
| Flags of Oceania | 0 | - | 5.00 | 257,845 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 145,093 |
| The Only American Country ... | 0 | - | 4.92 | 121,347 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,868 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,498 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 901,331 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,659 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,502 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,757 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,332 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,085 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,298 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,662 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,782 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,884 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,624 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,173 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,818 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,821 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,432 |
| Monarchies of Europe | 0 | - | 4.90 | 97,878 |
| European Countries with One Border | 0 | - | 4.97 | 182,421 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,243 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,803 |
| Federal Subjects of Russia | 0 | - | 4.95 | 146,057 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,676 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,049 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,473 |
| States of Germany | 0 | - | 4.96 | 151,698 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,821 |
| Regions of Italy | 0 | - | 4.92 | 75,467 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 51,657 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,555 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,937 |
| UK Cities Map Quiz | 0 | - | 4.96 | 463,853 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,492 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,954 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,653 |
| Champions League Winners | 0 | - | 4.92 | 1,003,121 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,340 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,708 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,979 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,151 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,953 |
| Monarchies of Asia | 0 | - | 4.97 | 70,928 |
| Asian Country Superlatives | 0 | - | 4.85 | 80,744 |
| Provinces of Turkey | 0 | - | 4.95 | 203,465 |
| Provinces of China | 0 | - | 4.97 | 203,163 |
| Japanese Prefectures | 0 | - | 4.98 | 136,226 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,664 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,547 |
| States of India Map Quiz | 0 | - | 4.83 | 26,331 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,088 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,629 |
| African Great Lakes | 0 | - | 4.82 | 65,968 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,335 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,970 |
| Name a Valid African Country | 0 | - | 4.98 | 153,673 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,701 |
| Tanzania Country Quiz | 0 | - | 4.90 | 32,991 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,356 |
| Palau Country Quiz | 0 | - | 4.90 | 22,957 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,474 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,898 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,721 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,404 |
| Tonga Country Quiz | 0 | - | 4.83 | 20,477 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,185 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,644 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,297 |
| States of Mexico | 0 | - | 4.95 | 175,339 |
| Mexico States Map Quiz | 0 | - | 4.85 | 104,410 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,742 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,555 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,793 |
| States of Brazil | 0 | - | 4.97 | 87,454 |
| Central American Countries | 0 | - | 4.98 | 155,806 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 147,574 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,728 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,253 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,092 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 242,977 |
| U.S. Cabinet Departments | 0 | - | 4.85 | 72,772 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,033 |
| US States Quiz | 0 | - | 5.00 | 16,819,591 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,465 |
| Mediterranean Geography on a Map | 0 | - | 4.49 | 37,197 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,209 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 88,842 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,542 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,805 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,706 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,640 |
| Word Scramble - European Countries | 0 | - | 4.70 | 141,446 |
