| Australian Capitals | 0 | - | 4.92 | 62,685 |
| Australia True or False | 0 | - | 4.87 | 56,737 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,214 |
| Australia Country Quiz | 0 | - | 4.43 | 69,494 |
| Regions of New Zealand | 0 | - | 4.85 | 28,437 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,405 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 528,398 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,694 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,481 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,948 |
| Official European Union Languages | 0 | - | 4.97 | 237,958 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,513 |
| Europe Map Quiz | 0 | - | 5.00 | 4,751,931 |
| Africa Map Quiz | 0 | - | 5.00 | 2,113,247 |
| Oceania Map Quiz | 0 | - | 4.98 | 639,770 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 47,932 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,156 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,445,542 |
| Asia Map Quiz | 0 | - | 4.99 | 913,238 |
| Word Chain - Australia | 0 | - | 4.38 | 38,105 |
| Countries of Africa | 0 | - | 5.00 | 2,527,228 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,479 |
| African East Coast | 0 | - | 4.96 | 95,711 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,527 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,383 |
| Australia Map Quiz | 0 | - | 4.95 | 343,629 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,528 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,536 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,320 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,724 |
| Celtic Nations | 0 | - | 4.69 | 46,897 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,841 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,636 |
| The Only European Country ... | 0 | - | 4.91 | 215,714 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,601 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,723 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 98,475 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,380,310 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,812 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,503 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,066 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,885 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,977 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,018 |
| Top African Languages on a Map | 0 | - | 4.93 | 73,490 |
| African Island Countries | 0 | - | 4.96 | 101,325 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 242,914 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,664 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,027 |
| Australian States and Territories | 0 | - | 4.96 | 141,564 |
| Famous Australians by Description | 0 | - | 4.23 | 27,843 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,203 |
| Australian Slang | 0 | - | 4.24 | 28,583 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,479 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,705 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,152 |
| North America Map Quiz | 0 | - | 4.98 | 247,304 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,612 |
| United States Map Quiz | 0 | - | 4.98 | 4,151,243 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,990 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,757 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,347 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,327 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,871 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,893 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,911 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,192 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,789 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 170,110 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,632 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,893 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,627 |
| Slavic Countries | 0 | - | 4.96 | 111,400 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,265 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,848 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,013 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,419 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,878 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,739 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,545 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,166 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,174 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 229,859 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 49,665 |
| Countries of the Middle East | 0 | - | 4.96 | 200,564 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,403 |
| Flags of Africa Quiz | 0 | - | 5.00 | 468,346 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,484 |
| Flags of North and South America | 0 | - | 4.99 | 371,360 |
| South America Map Quiz | 0 | - | 5.00 | 1,546,418 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,019,435 |
| Canada Provinces and Territories | 0 | - | 5.00 | 340,782 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 638,672 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,238,171 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,325,121 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,359 |
| Counties of England | 0 | - | 4.97 | 793,965 |
| Flags of Asia Quiz | 0 | - | 4.99 | 610,605 |
| States of India | 0 | - | 4.94 | 192,247 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,245 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,579 |
| The Only African Country ... | 0 | - | 4.99 | 128,853 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,017 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,565 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 321,146 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,883 |
| Flags of Oceania | 0 | - | 5.00 | 257,723 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 145,077 |
| The Only American Country ... | 0 | - | 4.92 | 121,319 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,857 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,492 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 901,288 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,632 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,479 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,724 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,319 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,060 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,284 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,650 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,767 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,855 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,600 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,154 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,768 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,793 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,404 |
| Monarchies of Europe | 0 | - | 4.90 | 97,859 |
| European Countries with One Border | 0 | - | 4.97 | 182,383 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,208 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,753 |
| Federal Subjects of Russia | 0 | - | 4.95 | 145,947 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,651 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,021 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,420 |
| States of Germany | 0 | - | 4.96 | 151,633 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,792 |
| Regions of Italy | 0 | - | 4.92 | 75,434 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 51,553 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,499 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,927 |
| UK Cities Map Quiz | 0 | - | 4.96 | 463,791 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,480 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,915 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,649 |
| Champions League Winners | 0 | - | 4.92 | 1,002,768 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,319 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,686 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,957 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,077 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,931 |
| Monarchies of Asia | 0 | - | 4.97 | 70,918 |
| Asian Country Superlatives | 0 | - | 4.85 | 80,737 |
| Provinces of Turkey | 0 | - | 4.95 | 203,411 |
| Provinces of China | 0 | - | 4.97 | 203,066 |
| Japanese Prefectures | 0 | - | 4.98 | 136,186 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,649 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,520 |
| States of India Map Quiz | 0 | - | 4.83 | 26,314 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,072 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,617 |
| African Great Lakes | 0 | - | 4.82 | 65,925 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,321 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,942 |
| Name a Valid African Country | 0 | - | 4.98 | 153,633 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,696 |
| Tanzania Country Quiz | 0 | - | 4.90 | 32,986 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,339 |
| Palau Country Quiz | 0 | - | 4.90 | 22,952 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,469 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,884 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,708 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,399 |
| Tonga Country Quiz | 0 | - | 4.83 | 20,472 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,177 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,624 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,276 |
| States of Mexico | 0 | - | 4.95 | 175,297 |
| Mexico States Map Quiz | 0 | - | 4.85 | 104,367 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,717 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,526 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,789 |
| States of Brazil | 0 | - | 4.97 | 87,419 |
| Central American Countries | 0 | - | 4.98 | 155,775 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 147,473 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,713 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,232 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,058 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 242,899 |
| U.S. Cabinet Departments | 0 | - | 4.85 | 72,765 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,015 |
| US States Quiz | 0 | - | 5.00 | 16,814,048 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,430 |
| Mediterranean Geography on a Map | 0 | - | 4.49 | 37,195 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,178 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 88,832 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,538 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,780 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,680 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,640 |
| Word Scramble - European Countries | 0 | - | 4.70 | 141,430 |
