| Australian Capitals | 0 | - | 4.92 | 62,694 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,447 |
| Australia True or False | 0 | - | 4.87 | 56,758 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,254 |
| Australia Country Quiz | 0 | - | 4.43 | 69,510 |
| Regions of New Zealand | 0 | - | 4.85 | 28,460 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 528,669 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,856 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,658 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,993 |
| Official European Union Languages | 0 | - | 4.97 | 238,106 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,601 |
| Europe Map Quiz | 0 | - | 5.00 | 4,755,171 |
| Africa Map Quiz | 0 | - | 5.00 | 2,114,519 |
| Oceania Map Quiz | 0 | - | 4.98 | 640,503 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 47,950 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,473 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,446,449 |
| Asia Map Quiz | 0 | - | 4.99 | 914,360 |
| Word Chain - Australia | 0 | - | 4.38 | 38,110 |
| Countries of Africa | 0 | - | 5.00 | 2,529,701 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,590 |
| African East Coast | 0 | - | 4.96 | 95,806 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,597 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,447 |
| Australia Map Quiz | 0 | - | 4.95 | 343,808 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,714 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,575 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,516 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,925 |
| Celtic Nations | 0 | - | 4.69 | 46,908 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,877 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,813 |
| The Only European Country ... | 0 | - | 4.91 | 215,955 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,759 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,754 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,619 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,380,765 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,864 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,630 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,377 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,986 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,064 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,148 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,644 |
| African Island Countries | 0 | - | 4.96 | 101,412 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,044 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,673 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,033 |
| Australian States and Territories | 0 | - | 4.96 | 141,687 |
| Famous Australians by Description | 0 | - | 4.23 | 27,872 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,228 |
| Australian Slang | 0 | - | 4.24 | 28,593 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,507 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,081 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,269 |
| North America Map Quiz | 0 | - | 4.98 | 247,613 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,650 |
| United States Map Quiz | 0 | - | 4.98 | 4,153,752 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,033 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,787 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,357 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,413 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,958 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,148 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,976 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,240 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,957 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 170,572 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,785 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,993 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,714 |
| Slavic Countries | 0 | - | 4.96 | 111,486 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,282 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,871 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,077 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,516 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,963 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,797 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,643 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,268 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,241 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 229,991 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 49,748 |
| Countries of the Middle East | 0 | - | 4.96 | 200,725 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,434 |
| Flags of Africa Quiz | 0 | - | 5.00 | 469,195 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,529 |
| Flags of North and South America | 0 | - | 4.99 | 371,831 |
| South America Map Quiz | 0 | - | 5.00 | 1,547,220 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,020,418 |
| Canada Provinces and Territories | 0 | - | 5.00 | 341,285 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 639,090 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,239,806 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,068 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,388 |
| Counties of England | 0 | - | 4.97 | 794,728 |
| Flags of Asia Quiz | 0 | - | 4.99 | 611,344 |
| States of India | 0 | - | 4.94 | 192,578 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,274 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,629 |
| The Only African Country ... | 0 | - | 4.98 | 128,917 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,056 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,637 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 321,381 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,978 |
| Flags of Oceania | 0 | - | 5.00 | 258,135 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 145,161 |
| The Only American Country ... | 0 | - | 4.92 | 121,390 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,922 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,514 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 901,467 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,696 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,542 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,829 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,351 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,157 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,319 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,729 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,813 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,930 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,659 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,238 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,890 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,891 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,491 |
| Monarchies of Europe | 0 | - | 4.90 | 97,944 |
| European Countries with One Border | 0 | - | 4.97 | 182,500 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,307 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,873 |
| Federal Subjects of Russia | 0 | - | 4.95 | 146,371 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,720 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,139 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,536 |
| States of Germany | 0 | - | 4.96 | 151,881 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,876 |
| Regions of Italy | 0 | - | 4.92 | 75,536 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 51,850 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,622 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,995 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,009 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,546 |
| Counties of England Map Quiz | 0 | - | 4.97 | 307,013 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,659 |
| Champions League Winners | 0 | - | 4.92 | 1,003,647 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,401 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,766 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,026 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,271 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,993 |
| Monarchies of Asia | 0 | - | 4.97 | 70,973 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,772 |
| Provinces of Turkey | 0 | - | 4.95 | 203,631 |
| Provinces of China | 0 | - | 4.97 | 203,420 |
| Japanese Prefectures | 0 | - | 4.98 | 136,412 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,703 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,602 |
| States of India Map Quiz | 0 | - | 4.83 | 26,365 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,118 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,648 |
| African Great Lakes | 0 | - | 4.82 | 66,022 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,430 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,318 |
| Name a Valid African Country | 0 | - | 4.98 | 153,740 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,716 |
| Tanzania Country Quiz | 0 | - | 4.90 | 33,014 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,382 |
| Palau Country Quiz | 0 | - | 4.90 | 22,968 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,493 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,944 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,769 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,413 |
| Tonga Country Quiz | 0 | - | 4.83 | 20,494 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,194 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,903 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,326 |
| States of Mexico | 0 | - | 4.95 | 175,475 |
| Mexico States Map Quiz | 0 | - | 4.85 | 104,446 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,774 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,643 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,858 |
| States of Brazil | 0 | - | 4.97 | 87,616 |
| Central American Countries | 0 | - | 4.98 | 155,876 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 147,820 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,778 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,311 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,177 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,175 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,795 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,069 |
| US States Quiz | 0 | - | 5.00 | 16,829,743 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,569 |
| Mediterranean Geography on a Map | 0 | - | 4.49 | 37,213 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,274 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 88,877 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,555 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,871 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,776 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,642 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,484 |
