| Australian Capitals | 0 | - | 4.92 | 62,754 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,711 |
| Australia True or False | 0 | - | 4.87 | 56,954 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,433 |
| Australia Country Quiz | 0 | - | 4.43 | 69,670 |
| Regions of New Zealand | 0 | - | 4.84 | 28,592 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,596 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,602 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,704 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,327 |
| Official European Union Languages | 0 | - | 4.97 | 238,930 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,135 |
| Europe Map Quiz | 0 | - | 5.00 | 4,771,357 |
| Africa Map Quiz | 0 | - | 5.00 | 2,121,869 |
| Oceania Map Quiz | 0 | - | 4.98 | 652,670 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 48,111 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,064 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,449,749 |
| Asia Map Quiz | 0 | - | 4.99 | 919,742 |
| Word Chain - Australia | 0 | - | 4.38 | 38,171 |
| Countries of Africa | 0 | - | 5.00 | 2,545,127 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,109 |
| African East Coast | 0 | - | 4.96 | 96,286 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,155 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,934 |
| Australia Map Quiz | 0 | - | 4.95 | 345,169 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,816 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,743 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,584 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,050 |
| Celtic Nations | 0 | - | 4.69 | 46,996 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,112 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,691 |
| The Only European Country ... | 0 | - | 4.91 | 217,411 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,589 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,916 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,300 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,384,882 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,105 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,367 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,799 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,487 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,442 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,853 |
| Top African Languages on a Map | 0 | - | 4.92 | 74,457 |
| African Island Countries | 0 | - | 4.96 | 101,877 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,844 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,700 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,076 |
| Australian States and Territories | 0 | - | 4.96 | 142,238 |
| Famous Australians by Description | 0 | - | 4.23 | 28,007 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,367 |
| Australian Slang | 0 | - | 4.24 | 28,656 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,717 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,404 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,123 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,640 |
| North America Map Quiz | 0 | - | 4.98 | 249,482 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,807 |
| United States Map Quiz | 0 | - | 4.98 | 4,163,656 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,308 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,964 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,429 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,930 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,443 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,389 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,361 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,538 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,234 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 173,069 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,646 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,563 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,406 |
| Slavic Countries | 0 | - | 4.96 | 111,883 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,480 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,197 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,413 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,030 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,372 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,227 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,243 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,799 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,651 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,766 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 50,114 |
| Countries of the Middle East | 0 | - | 4.96 | 201,698 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,593 |
| Flags of Africa Quiz | 0 | - | 5.00 | 473,236 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,766 |
| Flags of North and South America | 0 | - | 4.99 | 374,358 |
| South America Map Quiz | 0 | - | 5.00 | 1,551,831 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,025,886 |
| Canada Provinces and Territories | 0 | - | 5.00 | 343,695 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 641,727 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,248,676 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,330,770 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,588 |
| Counties of England | 0 | - | 4.97 | 798,918 |
| Flags of Asia Quiz | 0 | - | 4.99 | 615,913 |
| States of India | 0 | - | 4.95 | 194,131 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,393 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 72,891 |
| The Only African Country ... | 0 | - | 4.99 | 129,276 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,210 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,071 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 323,191 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,407 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.89 | 58,426 |
| Flags of Oceania | 0 | - | 5.00 | 260,552 |
| Australia Cities Map Quiz | 0 | - | 4.82 | 145,712 |
| The Only American Country ... | 0 | - | 4.92 | 121,821 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,278 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 902,969 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,192 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,845 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,411 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,616 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,760 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,619 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,412 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,030 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,213 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,047 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,857 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,717 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,392 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,994 |
| Monarchies of Europe | 0 | - | 4.90 | 98,354 |
| European Countries with One Border | 0 | - | 4.97 | 183,127 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,901 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,755 |
| Federal Subjects of Russia | 0 | - | 4.95 | 148,010 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,099 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,851 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,184 |
| States of Germany | 0 | - | 4.95 | 153,214 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,287 |
| Regions of Italy | 0 | - | 4.92 | 76,240 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,428 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,412 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,416 |
| UK Cities Map Quiz | 0 | - | 4.96 | 465,171 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,157 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,162 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,754 |
| Champions League Winners | 0 | - | 4.92 | 1,009,919 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,714 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,267 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,558 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 136,501 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,392 |
| Monarchies of Asia | 0 | - | 4.97 | 71,227 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,025 |
| Provinces of Turkey | 0 | - | 4.95 | 204,672 |
| Provinces of China | 0 | - | 4.97 | 205,651 |
| Japanese Prefectures | 0 | - | 4.98 | 137,613 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 33,021 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,094 |
| States of India Map Quiz | 0 | - | 4.83 | 26,612 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,353 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,821 |
| African Great Lakes | 0 | - | 4.82 | 66,519 |
| Word Chain - Africa | 0 | - | 4.47 | 31,653 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,769 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,819 |
| Name a Valid African Country | 0 | - | 4.98 | 154,366 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,855 |
| Tanzania Country Quiz | 0 | - | 4.90 | 33,131 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,593 |
| Palau Country Quiz | 0 | - | 4.90 | 23,057 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,681 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,284 |
| Countries Closest to Australia | 0 | - | 4.99 | 167,142 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,482 |
| Samoa Country Quiz | 0 | - | 4.81 | 20,866 |
| Tonga Country Quiz | 0 | - | 4.83 | 20,555 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,298 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,387 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,579 |
| States of Mexico | 0 | - | 4.96 | 176,798 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,116 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 105,097 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,176 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,253 |
| States of Brazil | 0 | - | 4.97 | 88,608 |
| Central American Countries | 0 | - | 4.98 | 156,780 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 112,964 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 149,070 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,113 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,877 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,850 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,852 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,939 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,399 |
| US States Quiz | 0 | - | 5.00 | 16,918,876 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,819 |
| Mediterranean Geography on a Map | 0 | - | 4.49 | 37,308 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,829 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 89,183 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,646 |
