| Australian Capitals | 0 | - | 4.92 | 62,707 |
| Australia True or False | 0 | - | 4.87 | 56,801 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,287 |
| Australia Country Quiz | 0 | - | 4.43 | 69,550 |
| Regions of New Zealand | 0 | - | 4.85 | 28,471 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,484 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 529,062 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,978 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,817 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,041 |
| Official European Union Languages | 0 | - | 4.97 | 238,252 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,690 |
| Europe Map Quiz | 0 | - | 5.00 | 4,757,757 |
| Africa Map Quiz | 0 | - | 5.00 | 2,115,676 |
| Oceania Map Quiz | 0 | - | 4.98 | 641,159 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 47,975 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,725 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,447,269 |
| Asia Map Quiz | 0 | - | 4.99 | 915,281 |
| Word Chain - Australia | 0 | - | 4.38 | 38,126 |
| Countries of Africa | 0 | - | 5.00 | 2,532,127 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,694 |
| African East Coast | 0 | - | 4.96 | 95,904 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,716 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,550 |
| Australia Map Quiz | 0 | - | 4.95 | 344,068 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,897 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,601 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,690 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,138 |
| Celtic Nations | 0 | - | 4.69 | 46,915 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,921 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,957 |
| The Only European Country ... | 0 | - | 4.91 | 216,186 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,878 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,782 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,767 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,381,792 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,913 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,766 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,463 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,081 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,155 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,288 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,796 |
| African Island Countries | 0 | - | 4.96 | 101,491 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,188 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,674 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,042 |
| Australian States and Territories | 0 | - | 4.96 | 141,779 |
| Famous Australians by Description | 0 | - | 4.23 | 27,894 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,247 |
| Australian Slang | 0 | - | 4.24 | 28,607 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,547 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,135 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,499 |
| North America Map Quiz | 0 | - | 4.98 | 248,003 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,674 |
| United States Map Quiz | 0 | - | 4.98 | 4,155,027 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,070 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,821 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,371 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,502 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,053 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,330 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,042 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,292 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,121 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 170,969 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,894 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,093 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,910 |
| Slavic Countries | 0 | - | 4.96 | 111,539 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,308 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,914 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,127 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,598 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,025 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,868 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,723 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,356 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,317 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,122 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 49,805 |
| Countries of the Middle East | 0 | - | 4.96 | 200,882 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,463 |
| Flags of Africa Quiz | 0 | - | 5.00 | 469,885 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,558 |
| Flags of North and South America | 0 | - | 4.99 | 372,295 |
| South America Map Quiz | 0 | - | 5.00 | 1,548,166 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,021,310 |
| Canada Provinces and Territories | 0 | - | 5.00 | 341,727 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 639,486 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,241,292 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,870 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,430 |
| Counties of England | 0 | - | 4.97 | 795,362 |
| Flags of Asia Quiz | 0 | - | 4.99 | 612,163 |
| States of India | 0 | - | 4.95 | 192,857 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,302 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,700 |
| The Only African Country ... | 0 | - | 4.99 | 128,998 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,086 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,723 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 321,843 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,060 |
| Flags of Oceania | 0 | - | 5.00 | 258,464 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 145,273 |
| The Only American Country ... | 0 | - | 4.92 | 121,463 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,992 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,534 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 901,715 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,791 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,584 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,942 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,393 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,262 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,374 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,812 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,850 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,986 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,733 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,337 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,053 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,985 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,585 |
| Monarchies of Europe | 0 | - | 4.90 | 98,007 |
| European Countries with One Border | 0 | - | 4.97 | 182,586 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,405 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,989 |
| Federal Subjects of Russia | 0 | - | 4.95 | 146,621 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,786 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,242 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,645 |
| States of Germany | 0 | - | 4.96 | 152,121 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,931 |
| Regions of Italy | 0 | - | 4.92 | 75,678 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 51,997 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,747 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,096 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,156 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,902 |
| Counties of England Map Quiz | 0 | - | 4.97 | 307,121 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,669 |
| Champions League Winners | 0 | - | 4.92 | 1,004,966 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,429 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,837 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,125 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,498 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,057 |
| Monarchies of Asia | 0 | - | 4.97 | 71,011 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,801 |
| Provinces of Turkey | 0 | - | 4.95 | 203,793 |
| Provinces of China | 0 | - | 4.97 | 203,776 |
| Japanese Prefectures | 0 | - | 4.98 | 136,559 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,756 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,686 |
| States of India Map Quiz | 0 | - | 4.83 | 26,446 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,165 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,680 |
| African Great Lakes | 0 | - | 4.82 | 66,100 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,508 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,453 |
| Name a Valid African Country | 0 | - | 4.98 | 153,867 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,747 |
| Tanzania Country Quiz | 0 | - | 4.90 | 33,028 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,434 |
| Palau Country Quiz | 0 | - | 4.90 | 22,985 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,528 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,996 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,827 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,431 |
| Tonga Country Quiz | 0 | - | 4.83 | 20,501 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,215 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,028 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,371 |
| States of Mexico | 0 | - | 4.95 | 175,674 |
| Mexico States Map Quiz | 0 | - | 4.85 | 104,574 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,822 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,718 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,946 |
| States of Brazil | 0 | - | 4.97 | 87,747 |
| Central American Countries | 0 | - | 4.98 | 156,118 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 148,070 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,837 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,382 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,281 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,443 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,830 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,136 |
| US States Quiz | 0 | - | 5.00 | 16,844,641 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,720 |
| Mediterranean Geography on a Map | 0 | - | 4.49 | 37,225 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,363 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 88,943 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,571 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,000 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,857 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,647 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,569 |
