| Uruguay Country Quiz | 0 | - | 4.84 | 31,514 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,507 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,082 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,686 |
| North America Map Quiz | 0 | - | 4.98 | 247,618 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,651 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,033 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,544 |
| States of Mexico | 0 | - | 4.95 | 175,479 |
| 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 | 53,646 |
| States of Brazil | 0 | - | 4.97 | 87,619 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,194 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 528,680 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,693 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,857 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 219,150 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,231 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,495 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,660 |
| Australian Capitals | 0 | - | 4.92 | 62,694 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,845 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,468 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,993 |
| Official European Union Languages | 0 | - | 4.97 | 238,112 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,601 |
| Europe Map Quiz | 0 | - | 5.00 | 4,755,201 |
| Africa Map Quiz | 0 | - | 5.00 | 2,114,533 |
| Oceania Map Quiz | 0 | - | 4.98 | 640,515 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,768 |
| Native American Tribes in the US | 0 | - | 4.72 | 25,447 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,475 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,446,453 |
| Asia Map Quiz | 0 | - | 4.99 | 914,372 |
| Countries of Africa | 0 | - | 5.00 | 2,529,752 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,591 |
| African East Coast | 0 | - | 4.96 | 95,816 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,599 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,448 |
| Australia Map Quiz | 0 | - | 4.95 | 343,809 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,248 |
| New World Crops | 0 | - | 4.37 | 30,835 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,713 |
| History of Mexico | 0 | - | 4.58 | 15,291 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,310 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,557 |
| Word Chain - South America | 0 | - | 4.51 | 23,871 |
| North American Physical Geography | 0 | - | 4.35 | 30,401 |
| United States Map Quiz | 0 | - | 4.98 | 4,153,775 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,435 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,256 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,601 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 40,957 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,719 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,577 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,519 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,932 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,877 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,815 |
| The Only European Country ... | 0 | - | 4.91 | 215,961 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,761 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,754 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,620 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,380,768 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,864 |
| Flags of Africa Quiz | 0 | - | 5.00 | 469,208 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,631 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,378 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,989 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,065 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,148 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,655 |
| African Island Countries | 0 | - | 4.96 | 101,414 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,046 |
| Australian States and Territories | 0 | - | 4.96 | 141,687 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,228 |
| Australia True or False | 0 | - | 4.87 | 56,760 |
| Flags of North and South America | 0 | - | 4.99 | 371,840 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,273 |
| South America Map Quiz | 0 | - | 5.00 | 1,547,231 |
| South American Physical Geography | 0 | - | 4.58 | 18,329 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,020,453 |
| Canada Provinces and Territories | 0 | - | 5.00 | 341,292 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 639,102 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,787 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,357 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,239,831 |
| Celtic Nations | 0 | - | 4.69 | 46,908 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,084 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,415 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,960 |
| 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 | 87,241 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,957 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 170,577 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,787 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,994 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,715 |
| Slavic Countries | 0 | - | 4.96 | 111,486 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,283 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,871 |
| Counties of England | 0 | - | 4.97 | 794,736 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 354,153 |
| Flags of Asia Quiz | 0 | - | 4.99 | 611,359 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,079 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,517 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,965 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,797 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,645 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,268 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,243 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 229,993 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 49,749 |
| Countries of the Middle East | 0 | - | 4.96 | 200,728 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,435 |
| States of India | 0 | - | 4.94 | 192,591 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,529 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,274 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,631 |
| The Only African Country ... | 0 | - | 4.98 | 128,918 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,057 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,637 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 321,385 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,979 |
| Flags of Oceania | 0 | - | 5.00 | 258,139 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,255 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 145,161 |
| Australia Country Quiz | 0 | - | 4.43 | 69,510 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,447 |
| Regions of New Zealand | 0 | - | 4.85 | 28,460 |
| The Only American Country ... | 0 | - | 4.92 | 121,393 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,926 |
| Places Mentioned in the Song "Kokomo" | 0 | - | 4.44 | 17,010 |
| Famous People from South America | 0 | - | 4.15 | 21,913 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 901,468 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,696 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,830 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,351 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,159 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,319 |
| The U.S. Pledge of Allegiance | 0 | - | 3.98 | 18,342 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,729 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,813 |
| US States Quiz | 0 | - | 5.00 | 16,829,947 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,767 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,930 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,661 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,241 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,891 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,893 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,388 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,494 |
| Monarchies of Europe | 0 | - | 4.90 | 97,944 |
| European Countries with One Border | 0 | - | 4.97 | 182,501 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,310 |
| European Geography By Letter - B #2 | 0 | - | 4.85 | 77,930 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,873 |
| Federal Subjects of Russia | 0 | - | 4.95 | 146,374 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,720 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,141 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,537 |
| States of Germany | 0 | - | 4.96 | 151,886 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,877 |
| Regions of Italy | 0 | - | 4.92 | 75,536 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 51,855 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,622 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,999 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,010 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,546 |
| Counties of England Map Quiz | 0 | - | 4.97 | 307,015 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,659 |
| Champions League Winners | 0 | - | 4.92 | 1,003,659 |
| 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 | 135,028 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,273 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,993 |
| Monarchies of Asia | 0 | - | 4.97 | 70,973 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,773 |
| Provinces of Turkey | 0 | - | 4.95 | 203,635 |
| Provinces of China | 0 | - | 4.97 | 203,434 |
| Japanese Prefectures | 0 | - | 4.98 | 136,413 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,704 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,603 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,145 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 93,174 |
| Bhutan Country Quiz | 0 | - | 4.87 | 24,179 |
| States of India Map Quiz | 0 | - | 4.83 | 26,365 |
| Countries Bordering India | 0 | - | 4.98 | 163,315 |
| Countries Closest to India | 0 | - | 4.97 | 102,628 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,120 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,648 |
| African Great Lakes | 0 | - | 4.82 | 66,025 |
| Every African Country Shape | 0 | - | 4.90 | 87,007 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,435 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,049 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,322 |
| Name a Valid African Country | 0 | - | 4.98 | 153,746 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,718 |
