| Australian Capitals | 0 | - | 4.92 | 62,610 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,144 |
| Australia True or False | 0 | - | 4.87 | 56,563 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 26,992 |
| Australia Country Quiz | 0 | - | 4.43 | 69,344 |
| Regions of New Zealand | 0 | - | 4.85 | 28,256 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,750 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,736 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,340 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,689 |
| Official European Union Languages | 0 | - | 4.97 | 237,173 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,034 |
| Europe Map Quiz | 0 | - | 5.00 | 4,736,200 |
| Africa Map Quiz | 0 | - | 5.00 | 2,106,294 |
| Oceania Map Quiz | 0 | - | 4.98 | 636,355 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 47,774 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,668 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,442,051 |
| Asia Map Quiz | 0 | - | 4.99 | 908,259 |
| Word Chain - Australia | 0 | - | 4.37 | 38,029 |
| Countries of Africa | 0 | - | 5.00 | 2,512,361 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,944 |
| African East Coast | 0 | - | 4.96 | 95,198 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,068 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,961 |
| Australia Map Quiz | 0 | - | 4.94 | 342,767 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,466 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,340 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,331 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,644 |
| Celtic Nations | 0 | - | 4.69 | 46,837 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,594 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,824 |
| The Only European Country ... | 0 | - | 4.91 | 214,291 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,825 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,605 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,661 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,376,978 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,509 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,825 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,681 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,420 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,611 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,337 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,734 |
| African Island Countries | 0 | - | 4.96 | 100,911 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,913 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,638 |
| Oceania Geography Quiz | 0 | - | 4.55 | 21,989 |
| Australian States and Territories | 0 | - | 4.96 | 141,085 |
| Famous Australians by Description | 0 | - | 4.23 | 27,692 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,058 |
| Australian Slang | 0 | - | 4.25 | 28,501 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,217 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,281 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,411 |
| North America Map Quiz | 0 | - | 4.98 | 245,046 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,424 |
| United States Map Quiz | 0 | - | 4.98 | 4,144,122 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,723 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,561 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,259 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,849 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,438 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,698 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,582 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,942 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,215 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,554 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,823 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,422 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,327 |
| Slavic Countries | 0 | - | 4.96 | 110,992 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,092 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,448 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,930 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,526 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,377 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,939 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,639 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,810 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 229,017 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,277 |
| Countries of the Middle East | 0 | - | 4.96 | 199,239 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,290 |
| Flags of Africa Quiz | 0 | - | 5.00 | 464,489 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,219 |
| Flags of North and South America | 0 | - | 4.99 | 368,367 |
| South America Map Quiz | 0 | - | 5.00 | 1,542,255 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,013,750 |
| Canada Provinces and Territories | 0 | - | 5.00 | 338,625 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 636,642 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,229,393 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,321,178 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,199 |
| Counties of England | 0 | - | 4.97 | 790,324 |
| Flags of Asia Quiz | 0 | - | 4.99 | 606,760 |
| States of India | 0 | - | 4.94 | 190,765 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,037 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,310 |
| The Only African Country ... | 0 | - | 4.99 | 128,460 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,822 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,197 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,622 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,481 |
| Flags of Oceania | 0 | - | 5.00 | 255,871 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,555 |
| The Only American Country ... | 0 | - | 4.92 | 120,885 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,439 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,391 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 900,134 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,125 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,982 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,163 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,032 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,487 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,973 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,177 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,573 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,462 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,471 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,141 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,567 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,079 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,340 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,939 |
| Monarchies of Europe | 0 | - | 4.90 | 97,462 |
| European Countries with One Border | 0 | - | 4.97 | 181,791 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,687 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,124 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,495 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,307 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,390 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,888 |
| States of Germany | 0 | - | 4.96 | 150,465 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,139 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,617 |
| Regions of Italy | 0 | - | 4.92 | 74,895 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,938 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,586 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,459 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,580 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,150 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,300 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,572 |
| Champions League Winners | 0 | - | 4.92 | 997,801 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,092 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,205 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,500 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,081 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,544 |
| Monarchies of Asia | 0 | - | 4.97 | 70,677 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,495 |
| Provinces of Turkey | 0 | - | 4.95 | 201,961 |
| Provinces of China | 0 | - | 4.97 | 200,769 |
| Japanese Prefectures | 0 | - | 4.98 | 135,004 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,324 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,058 |
| Kazakhstan Country Quiz | 0 | - | 4.83 | 34,992 |
| States of India Map Quiz | 0 | - | 4.82 | 26,119 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,837 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,418 |
| African Great Lakes | 0 | - | 4.82 | 65,337 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,955 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,464 |
| Name a Valid African Country | 0 | - | 4.98 | 153,106 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,553 |
| Tanzania Country Quiz | 0 | - | 4.90 | 32,861 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,120 |
| Palau Country Quiz | 0 | - | 4.89 | 22,869 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,279 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,599 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,331 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,322 |
| Tonga Country Quiz | 0 | - | 4.82 | 20,390 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,057 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,177 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 91,983 |
| States of Mexico | 0 | - | 4.95 | 173,787 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,961 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,273 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,124 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,496 |
| States of Brazil | 0 | - | 4.98 | 86,645 |
| Central American Countries | 0 | - | 4.98 | 155,205 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 146,222 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,286 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,776 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,386 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,368 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,576 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.84 | 65,724 |
| US States Quiz | 0 | - | 5.00 | 16,728,003 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,529 |
| Mediterranean Geography on a Map | 0 | - | 4.49 | 37,116 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,671 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,575 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,475 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,360 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,235 |
