| Australian Capitals | 0 | - | 4.92 | 62,592 |
| Australia True or False | 0 | - | 4.87 | 56,496 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 26,908 |
| Australia Country Quiz | 0 | - | 4.43 | 69,269 |
| Regions of New Zealand | 0 | - | 4.85 | 28,124 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,044 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,279 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,493 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,081 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,571 |
| Official European Union Languages | 0 | - | 4.97 | 236,491 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,685 |
| Europe Map Quiz | 0 | - | 5.00 | 4,730,512 |
| Africa Map Quiz | 0 | - | 5.00 | 2,104,029 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,165 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 47,703 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,128 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,439,716 |
| Asia Map Quiz | 0 | - | 4.99 | 906,844 |
| Word Chain - Australia | 0 | - | 4.37 | 38,013 |
| Countries of Africa | 0 | - | 5.00 | 2,507,138 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,797 |
| African East Coast | 0 | - | 4.96 | 95,023 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,904 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,780 |
| Australia Map Quiz | 0 | - | 4.94 | 342,439 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,088 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,196 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,932 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,272 |
| Celtic Nations | 0 | - | 4.69 | 46,809 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,530 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,509 |
| The Only European Country ... | 0 | - | 4.91 | 213,766 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,489 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,560 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,440 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,736 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,427 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,594 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,546 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,242 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,495 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,068 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,400 |
| African Island Countries | 0 | - | 4.96 | 100,766 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,609 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,632 |
| Oceania Geography Quiz | 0 | - | 4.55 | 21,977 |
| Australian States and Territories | 0 | - | 4.95 | 140,725 |
| Famous Australians by Description | 0 | - | 4.23 | 27,575 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,014 |
| Australian Slang | 0 | - | 4.25 | 28,467 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,144 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,147 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,172 |
| North America Map Quiz | 0 | - | 4.98 | 244,367 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,373 |
| United States Map Quiz | 0 | - | 4.98 | 4,141,383 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,599 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,490 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,237 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,695 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,267 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,271 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,455 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,836 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,783 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,835 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,347 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,230 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,176 |
| Slavic Countries | 0 | - | 4.96 | 110,832 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,043 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,339 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,741 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,380 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,218 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,689 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,464 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,661 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,746 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,142 |
| Countries of the Middle East | 0 | - | 4.96 | 198,865 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,241 |
| Flags of Africa Quiz | 0 | - | 5.00 | 463,126 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,149 |
| Flags of North and South America | 0 | - | 4.99 | 366,979 |
| South America Map Quiz | 0 | - | 5.00 | 1,541,037 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,418 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,784 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,815 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,226,195 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,590 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,133 |
| Counties of England | 0 | - | 4.97 | 789,041 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,360 |
| States of India | 0 | - | 4.94 | 189,979 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 48,994 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,242 |
| The Only African Country ... | 0 | - | 4.99 | 128,344 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,773 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,047 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,297 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,085 |
| Flags of Oceania | 0 | - | 5.00 | 255,085 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,410 |
| The Only American Country ... | 0 | - | 4.92 | 120,734 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,321 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,349 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,747 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 56,934 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,883 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 62,922 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,943 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,299 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,851 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,043 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,480 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,350 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,317 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,027 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,351 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,825 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,199 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,781 |
| Monarchies of Europe | 0 | - | 4.90 | 97,295 |
| European Countries with One Border | 0 | - | 4.97 | 181,592 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,505 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,914 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,936 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,176 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,101 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,670 |
| States of Germany | 0 | - | 4.96 | 150,006 |
| Germany Immigration by Country | 0 | - | 4.84 | 79,999 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,517 |
| Regions of Italy | 0 | - | 4.92 | 74,682 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,791 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,304 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,137 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,097 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 92,897 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,066 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,403 |
| Champions League Winners | 0 | - | 4.92 | 996,140 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 65,988 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,012 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,336 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,726 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,385 |
| Monarchies of Asia | 0 | - | 4.97 | 70,590 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,427 |
| Provinces of Turkey | 0 | - | 4.95 | 200,941 |
| Provinces of China | 0 | - | 4.97 | 200,064 |
| Japanese Prefectures | 0 | - | 4.98 | 134,510 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,201 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,855 |
| States of India Map Quiz | 0 | - | 4.82 | 26,021 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,767 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,326 |
| African Great Lakes | 0 | - | 4.82 | 65,124 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,853 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,347 |
| Name a Valid African Country | 0 | - | 4.98 | 152,919 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,480 |
| Tanzania Country Quiz | 0 | - | 4.91 | 32,812 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,032 |
| Palau Country Quiz | 0 | - | 4.89 | 22,834 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,206 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,476 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,186 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,292 |
| Tonga Country Quiz | 0 | - | 4.82 | 20,345 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,011 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,065 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 91,887 |
| States of Mexico | 0 | - | 4.95 | 173,302 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,770 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,136 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 52,936 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,376 |
| States of Brazil | 0 | - | 4.98 | 86,358 |
| Central American Countries | 0 | - | 4.98 | 155,014 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 145,840 |
| Name the U.S. National Parks | 0 | - | 4.86 | 58,836 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,641 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,125 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,838 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,522 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.84 | 65,609 |
| US States Quiz | 0 | - | 5.00 | 16,696,578 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,225 |
| Mediterranean Geography on a Map | 0 | - | 4.49 | 37,083 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,504 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,464 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,445 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,224 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,105 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,598 |
