| Australian Capitals | 0 | - | 4.92 | 62,593 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,050 |
| Australia True or False | 0 | - | 4.87 | 56,499 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 26,910 |
| Australia Country Quiz | 0 | - | 4.43 | 69,275 |
| Regions of New Zealand | 0 | - | 4.85 | 28,127 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,316 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,514 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,091 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,576 |
| Official European Union Languages | 0 | - | 4.97 | 236,511 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,696 |
| Europe Map Quiz | 0 | - | 5.00 | 4,730,964 |
| Africa Map Quiz | 0 | - | 5.00 | 2,104,186 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,260 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 47,706 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,179 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,440,306 |
| Asia Map Quiz | 0 | - | 4.99 | 906,944 |
| Word Chain - Australia | 0 | - | 4.37 | 38,014 |
| Countries of Africa | 0 | - | 5.00 | 2,507,570 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,804 |
| African East Coast | 0 | - | 4.96 | 95,040 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,914 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,784 |
| Australia Map Quiz | 0 | - | 4.94 | 342,453 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,119 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,200 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,961 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,293 |
| Celtic Nations | 0 | - | 4.69 | 46,811 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,535 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,535 |
| The Only European Country ... | 0 | - | 4.91 | 213,800 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,519 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,565 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,454 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,869 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,432 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,609 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,558 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,254 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,500 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,094 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,431 |
| African Island Countries | 0 | - | 4.96 | 100,780 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,631 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,632 |
| Oceania Geography Quiz | 0 | - | 4.55 | 21,977 |
| Australian States and Territories | 0 | - | 4.95 | 140,788 |
| Famous Australians by Description | 0 | - | 4.23 | 27,584 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,016 |
| Australian Slang | 0 | - | 4.25 | 28,471 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,149 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,156 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,215 |
| North America Map Quiz | 0 | - | 4.98 | 244,411 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,375 |
| United States Map Quiz | 0 | - | 4.98 | 4,141,678 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,607 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,496 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,238 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,706 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,278 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,292 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,462 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,843 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,807 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,859 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,401 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,247 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,194 |
| Slavic Countries | 0 | - | 4.96 | 110,848 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,046 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,342 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,753 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,395 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,230 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,698 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,477 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,677 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,756 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,148 |
| Countries of the Middle East | 0 | - | 4.96 | 198,894 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,242 |
| Flags of Africa Quiz | 0 | - | 5.00 | 463,261 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,157 |
| Flags of North and South America | 0 | - | 4.99 | 367,127 |
| South America Map Quiz | 0 | - | 5.00 | 1,541,134 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,538 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,860 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,911 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,226,439 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,678 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,142 |
| Counties of England | 0 | - | 4.97 | 789,107 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,470 |
| States of India | 0 | - | 4.94 | 190,024 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 48,999 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,246 |
| The Only African Country ... | 0 | - | 4.99 | 128,353 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,774 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,061 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,323 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,099 |
| Flags of Oceania | 0 | - | 5.00 | 255,159 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,413 |
| The Only American Country ... | 0 | - | 4.92 | 120,750 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,331 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,353 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,768 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 56,945 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,890 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 62,963 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,948 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,316 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,862 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,056 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,488 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,360 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,325 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,034 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,376 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,842 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,209 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,795 |
| Monarchies of Europe | 0 | - | 4.90 | 97,303 |
| European Countries with One Border | 0 | - | 4.97 | 181,611 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,514 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,936 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,956 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,190 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,112 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,676 |
| States of Germany | 0 | - | 4.96 | 150,024 |
| Germany Immigration by Country | 0 | - | 4.84 | 80,005 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,517 |
| Regions of Italy | 0 | - | 4.92 | 74,696 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,804 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,319 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,140 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,111 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 92,904 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,072 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,405 |
| Champions League Winners | 0 | - | 4.92 | 996,243 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 65,994 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,027 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,353 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,745 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,399 |
| Monarchies of Asia | 0 | - | 4.97 | 70,594 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,430 |
| Provinces of Turkey | 0 | - | 4.95 | 200,976 |
| Provinces of China | 0 | - | 4.97 | 200,087 |
| Japanese Prefectures | 0 | - | 4.98 | 134,543 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,206 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,879 |
| States of India Map Quiz | 0 | - | 4.82 | 26,035 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,772 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,327 |
| African Great Lakes | 0 | - | 4.82 | 65,145 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,856 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,357 |
| Name a Valid African Country | 0 | - | 4.98 | 152,929 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,481 |
| Tanzania Country Quiz | 0 | - | 4.91 | 32,815 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,033 |
| Palau Country Quiz | 0 | - | 4.89 | 22,837 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,212 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,484 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,192 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,293 |
| Tonga Country Quiz | 0 | - | 4.82 | 20,347 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,013 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,080 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 91,897 |
| States of Mexico | 0 | - | 4.95 | 173,322 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,783 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,148 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 52,953 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,380 |
| States of Brazil | 0 | - | 4.98 | 86,376 |
| Central American Countries | 0 | - | 4.98 | 155,024 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 145,865 |
| Name the U.S. National Parks | 0 | - | 4.86 | 58,901 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,654 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,140 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,881 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,524 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.84 | 65,615 |
| US States Quiz | 0 | - | 5.00 | 16,698,963 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,243 |
| Mediterranean Geography on a Map | 0 | - | 4.49 | 37,087 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,514 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,471 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,448 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,235 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,115 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,598 |
