| North America Map Quiz | 0 | - | 4.98 | 195,003 |
| Third Most Common Language by U.S. State | 0 | - | 4.90 | 106,083 |
| Most Spoken Languages in Canada | 0 | - | 4.82 | 46,420 |
| Uruguay Country Quiz | 0 | - | 4.82 | 28,326 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 84,635 |
| Most-Spoken Languages of the United States | 0 | - | 4.45 | 162,866 |
| Canada Geography Trivia | 0 | - | 4.80 | 44,498 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 106,474 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 131,390 |
| Haiti... or Dominican Republic? | 0 | - | 4.71 | 38,053 |
| U.S. Highway Signs By State | 0 | - | 4.42 | 14,044 |
| Name a Valid Answer - United States #1 | 0 | - | 4.70 | 84,772 |
| Native American Tribes in the US | 0 | - | 4.71 | 22,839 |
| Canada Multiple Choice Quiz | 0 | - | 4.48 | 31,417 |
| States of Mexico | 0 | - | 4.95 | 138,655 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 93,237 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.89 | 38,999 |
| States of Brazil | 0 | - | 4.96 | 67,436 |
| North American Physical Geography | 0 | - | 4.32 | 29,398 |
| Most Populous Native American Tribes | 0 | - | 4.31 | 11,681 |
| American Countries on the Pacific Coast | 0 | - | 4.79 | 37,320 |
| Top U.S. Cash Crops | 0 | - | 4.40 | 58,664 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.16 | 50,114 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.07 | 37,240 |
| European Countries by First 2 Letters | 0 | - | 4.96 | 454,309 |
| Paraguay... or Uruguay? | 0 | - | 4.54 | 25,282 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 253,272 |
| African Countries by First 2 Letters | 0 | - | 4.95 | 243,199 |
| U.S. Geography - Multiple Choice | 0 | - | 4.43 | 22,446 |
| Australian Capitals | 0 | - | 4.90 | 52,954 |
| The U.S. Pledge of Allegiance | 0 | - | 3.95 | 17,598 |
| Official European Union Languages | 0 | - | 4.98 | 198,945 |
| European Countries in their Native Language | 0 | - | 4.99 | 142,969 |
| Europe Map Quiz | 0 | - | 5.00 | 4,260,204 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,335,462 |
| Asia Map Quiz | 0 | - | 4.99 | 775,593 |
| Africa Map Quiz | 0 | - | 5.00 | 1,926,972 |
| Oceania Map Quiz | 0 | - | 4.97 | 563,021 |
| Islands of the Galápagos | 0 | - | 4.51 | 4,383 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 382,337 |
| Countries that Beat Switzerland | 0 | - | 4.85 | 37,304 |
| South and Central Asia Map Quiz | 0 | - | 4.92 | 78,807 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,274,221 |
| Countries of Africa | 0 | - | 5.00 | 2,144,242 |
| African East Coast | 0 | - | 4.97 | 83,407 |
| Western Africa Map Quiz | 0 | - | 4.97 | 60,203 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 39,722 |
| Australia Map Quiz | 0 | - | 4.95 | 317,501 |
| Largest Land Animals of the Americas | 0 | - | 4.36 | 19,348 |
| New World Crops | 0 | - | 4.31 | 22,783 |
| Hispanic Last Names in the U.S. | 0 | - | 4.29 | 52,471 |
| History of Mexico | 0 | - | 4.55 | 13,799 |
| South American Geography Quiz #2 | 0 | - | 4.70 | 36,843 |
| Word Chain - South America | 0 | - | 4.48 | 21,836 |
| United States Map Quiz | 0 | - | 4.98 | 3,883,573 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 194,321 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.92 | 86,420 |
| Countries That Use the Euro | 0 | - | 4.91 | 61,648 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 334,099 |
| Europe Geography Decoder | 0 | - | 4.89 | 62,832 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 91,021 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.82 | 38,921 |
| The Only European Country ... | 0 | - | 4.94 | 176,194 |
| Add A Letter - Make a European City | 0 | - | 4.87 | 20,726 |
| Counties of England | 0 | - | 4.96 | 683,958 |
| Flags of Asia Quiz | 0 | - | 4.99 | 519,405 |
| East Asia Cities Map Quiz | 0 | - | 4.97 | 99,682 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 124,926 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 88,135 |
| 10 Easternmost Countries in Asia | 0 | - | 4.98 | 95,920 |
| Countries of Asia with Two or More Words | 0 | - | 4.95 | 110,068 |
| Asian Countries Ending in "IA" | 0 | - | 4.94 | 92,807 |
| Top Asian Languages on a Map | 0 | - | 4.93 | 59,993 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 208,965 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.96 | 35,668 |
| Countries of the Middle East | 0 | - | 4.96 | 171,589 |
| Countries where Arabic is an Official Language | 0 | - | 4.83 | 51,891 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 91,049 |
| Flags of Africa Quiz | 0 | - | 4.99 | 381,723 |
| Landlocked Countries in Africa | 0 | - | 4.98 | 18,976 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 196,547 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 104,040 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 130,050 |
| African Countries with the Shortest Names | 0 | - | 4.97 | 118,293 |
| Top African Languages on a Map | 0 | - | 4.91 | 51,512 |
| African Island Countries | 0 | - | 4.96 | 88,623 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 221,350 |
| Australian States and Territories | 0 | - | 4.96 | 128,256 |
| Australian True or False | 0 | - | 4.90 | 50,884 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 105,144 |
| South America Map Quiz | 0 | - | 5.00 | 1,411,382 |
| South American Physical Geography | 0 | - | 4.56 | 17,222 |
| Countries of North America Quiz | 0 | - | 5.00 | 870,406 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 573,585 |
| Straight Shot to Antarctica | 0 | - | 4.90 | 36,966 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,033,771 |
| Celtic Nations | 0 | - | 4.76 | 44,531 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.93 | 1,172,372 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 159,657 |
| 10 Westernmost Countries in Europe | 0 | - | 4.95 | 137,546 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.94 | 183,667 |
| European Landmarks Map Quiz | 0 | - | 4.98 | 76,329 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.89 | 79,110 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 283,349 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 113,739 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.91 | 47,953 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 73,861 |
| Eastern Europe Map Quiz | 0 | - | 4.89 | 114,805 |
| Slavic Countries | 0 | - | 4.96 | 99,849 |
| Regions of Spain Quiz | 0 | - | 4.85 | 93,664 |
| Cantons of Switzerland | 0 | - | 4.96 | 39,822 |
| UK Cities Map Quiz | 0 | - | 4.94 | 431,322 |
| Parts of the United Kingdom | 0 | - | 4.88 | 83,024 |
| Counties of England Map Quiz | 0 | - | 4.97 | 285,424 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 264,458 |
| Champions League Winners | 0 | - | 4.90 | 840,274 |
| Asian Geography By Letter - B | 0 | - | 4.82 | 60,568 |
| Asian Diaspora - Top 10 Countries | 0 | - | 4.82 | 37,223 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.90 | 90,479 |
| Asian Countries with the Shortest Names | 0 | - | 4.98 | 120,704 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 110,060 |
| Pixelated Asia Map | 0 | - | 4.89 | 62,588 |
| Monarchies of Asia | 0 | - | 4.95 | 53,629 |
| Asian Countries with the Fewest Borders | 0 | - | 4.81 | 87,694 |
| Provinces of Turkey | 0 | - | 4.95 | 175,583 |
| Provinces of China | 0 | - | 4.97 | 153,091 |
| Japanese Prefectures | 0 | - | 4.98 | 104,861 |
| States of India | 0 | - | 4.91 | 151,751 |
| 10 African Countries with the Most Tourists | 0 | - | 4.40 | 53,108 |
| Africa Geography Quiz #1 | 0 | - | 4.91 | 45,917 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.95 | 24,711 |
| African Diaspora - Top 10 Countries | 0 | - | 4.91 | 65,527 |
| The Only African Country ... | 0 | - | 4.99 | 104,595 |
| African Countries by a Single Clue | 0 | - | 4.91 | 63,211 |
| Pixelated Africa Map | 0 | - | 4.98 | 87,158 |
| Countries Closest to Africa | 0 | - | 4.95 | 144,569 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 25,288 |
| Flags of Oceania | 0 | - | 5.00 | 212,845 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.94 | 19,614 |
| Australia Cities Map Quiz | 0 | - | 4.85 | 130,267 |
| Australia Country Quiz | 0 | - | 4.44 | 57,140 |
| Australia... or New Zealand? | 0 | - | 4.83 | 53,851 |
| Regions of New Zealand | 0 | - | 4.83 | 24,206 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 306,643 |
| The Only American Country ... | 0 | - | 4.94 | 108,933 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 100,082 |
| Places Mentioned in the Song "Kokomo" | 0 | - | 4.42 | 16,131 |
| South American Geography Quiz #1 | 0 | - | 4.71 | 30,534 |
| Famous People from South America | 0 | - | 4.02 | 10,778 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 847,849 |
| North American Capitals - Map Quiz | 0 | - | 4.91 | 46,494 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 46,263 |
| U.S. State Border Crossings | 0 | - | 4.96 | 81,475 |
| U.S. Citizenship Test Questions | 0 | - | 4.86 | 220,691 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.82 | 32,534 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 64,693 |
| Cities and Towns of Massachusetts | 0 | - | 4.89 | 59,323 |
| US States Quiz | 0 | - | 5.00 | 14,591,926 |
| Canada Provinces and Territories | 0 | - | 4.99 | 287,045 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 84,488 |
| Count to 10 in Europe: Pro | 0 | - | 4.79 | 60,632 |
| European Diaspora - Top 11 Countries | 0 | - | 4.91 | 82,848 |
| 10 European Countries with the Most Tourists | 0 | - | 4.97 | 119,673 |
| Three Band Flags of Europe | 0 | - | 4.97 | 159,701 |
| Catholic Countries in Europe | 0 | - | 4.87 | 82,848 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.71 | 53,498 |
| Pixelated Europe Map | 0 | - | 4.90 | 108,587 |
| Monarchies of Europe | 0 | - | 4.88 | 86,333 |
| European Countries with One Border | 0 | - | 4.96 | 149,557 |
| European Countries with the Fewest Borders | 0 | - | 4.98 | 143,478 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 132,631 |
| Category Elimination - European Geography #3 | 0 | - | 4.84 | 64,665 |
| Federal Subjects of Russia | 0 | - | 4.95 | 110,486 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 101,031 |
| Regions of France Map Quiz | 0 | - | 4.96 | 126,473 |
| States of Germany Map Quiz | 0 | - | 4.91 | 119,530 |
| States of Germany | 0 | - | 4.94 | 121,826 |
| Germany Immigration by Country | 0 | - | 4.90 | 68,986 |
| States of the German Confederation in 1848 | 0 | - | 4.84 | 26,124 |
| Counties of Ireland | 0 | - | 4.89 | 157,466 |
| Regions of Italy | 0 | - | 4.88 | 59,654 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.82 | 9,670 |
| Countries Surrounding Rome | 0 | - | 4.96 | 46,410 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 31,366 |
| Spanish Immigration by Country | 0 | - | 4.59 | 51,570 |
| Spain Cities Map Quiz | 0 | - | 4.86 | 85,408 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 168,200 |
| Biggest Spanish Empire Countries | 0 | - | 4.90 | 92,012 |
| Countries Closest to Spain | 0 | - | 4.95 | 204,554 |
| Switzerland Immigration by Country | 0 | - | 4.81 | 19,976 |
| UK Immigration by Country | 0 | - | 4.95 | 124,244 |
| United Kingdom Country Quiz | 0 | - | 4.93 | 117,306 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 98,578 |
| Countries that Visit the UK the Most | 0 | - | 4.84 | 61,769 |
| Counties of the UK and Ireland | 0 | - | 4.97 | 102,303 |
| English Monarchs Quiz | 0 | - | 4.91 | 443,481 |
| World Capitals Closest to London | 0 | - | 4.90 | 92,977 |
| 50 Busiest Air Routes from London | 0 | - | 4.88 | 84,909 |
| England or Wales? | 0 | - | 4.93 | 39,882 |
| All Champions League Teams Ever | 0 | - | 4.89 | 102,715 |
