| Uruguay Country Quiz | 0 | - | 4.84 | 31,719 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,879 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,662 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,763 |
| North America Map Quiz | 0 | - | 4.98 | 250,969 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,931 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,478 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 95,040 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,352 |
| States of Mexico | 0 | - | 4.96 | 177,727 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 105,340 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,592 |
| States of Brazil | 0 | - | 4.97 | 89,307 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 531,902 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,358 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,082 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,817 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 221,912 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,582 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,656 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,556 |
| Europe Map Quiz | 0 | - | 5.00 | 4,781,665 |
| Oceania Map Quiz | 0 | - | 4.98 | 658,161 |
| Australian Capitals | 0 | - | 4.92 | 62,809 |
| Name a Valid Answer - United States #1 | 0 | - | 4.62 | 94,298 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,596 |
| Official European Union Languages | 0 | - | 4.97 | 239,488 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,486 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,319 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,451,283 |
| Asia Map Quiz | 0 | - | 4.99 | 923,407 |
| Africa Map Quiz | 0 | - | 5.00 | 2,126,404 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,306 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,304 |
| New World Crops | 0 | - | 4.38 | 30,939 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,790 |
| North American Physical Geography | 0 | - | 4.35 | 30,451 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,468 |
| Native American Tribes in the US | 0 | - | 4.74 | 25,686 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,526 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,850 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,371 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,238 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,796 |
| The Only European Country ... | 0 | - | 4.91 | 218,465 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,213 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,009 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,718 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,661 |
| African East Coast | 0 | - | 4.96 | 96,597 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,440 |
| Australia Map Quiz | 0 | - | 4.95 | 345,850 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,836 |
| History of Mexico | 0 | - | 4.52 | 15,357 |
| South American Geography Quiz #2 | 0 | - | 4.41 | 43,544 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,831 |
| Word Chain - South America | 0 | - | 4.51 | 23,977 |
| United States Map Quiz | 0 | - | 4.98 | 4,168,281 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,416 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,705 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.12 | 41,143 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,806 |
| Celtic Nations | 0 | - | 4.61 | 47,068 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,386,396 |
| Countries of Africa | 0 | - | 5.00 | 2,553,894 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,477 |
| Australian States and Territories | 0 | - | 4.96 | 142,667 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,453 |
| Australia True or False | 0 | - | 4.87 | 57,083 |
| Flags of North and South America | 0 | - | 4.99 | 376,011 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,449 |
| South America Map Quiz | 0 | - | 5.00 | 1,554,496 |
| South American Physical Geography | 0 | - | 4.58 | 18,388 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,029,276 |
| Canada Provinces and Territories | 0 | - | 5.00 | 345,334 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 643,349 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,105 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,254,362 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,334,021 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,321 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,865 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,321 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,630 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,905 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,291 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 175,102 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,126 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,973 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,658 |
| Slavic Countries | 0 | - | 4.96 | 112,214 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,635 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,358 |
| Counties of England | 0 | - | 4.97 | 801,515 |
| Flags of Asia Quiz | 0 | - | 4.99 | 618,521 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,646 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,395 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,744 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,018 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,614 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,148 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,914 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 231,306 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 50,439 |
| Countries of the Middle East | 0 | - | 4.96 | 202,330 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,690 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,413 |
| Flags of Africa Quiz | 0 | - | 5.00 | 476,038 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,126 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,329 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,107 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,995 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,376 |
| Top African Languages on a Map | 0 | - | 4.94 | 74,985 |
| African Island Countries | 0 | - | 4.96 | 102,283 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 244,351 |
| Flags of Oceania | 0 | - | 5.00 | 261,980 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,617 |
| Australia Cities Map Quiz | 0 | - | 4.82 | 146,341 |
| Australia Country Quiz | 0 | - | 4.43 | 69,786 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,902 |
| Regions of New Zealand | 0 | - | 4.84 | 28,680 |
| The Only American Country ... | 0 | - | 4.92 | 122,080 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,532 |
| Famous People from South America | 0 | - | 4.15 | 22,062 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 904,333 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,657 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,751 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,784 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,632 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,822 |
| The U.S. Pledge of Allegiance | 0 | - | 4.00 | 18,397 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 74,830 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,183 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,871 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,404 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,590 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,356 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,266 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,263 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,641 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,700 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,313 |
| Monarchies of Europe | 0 | - | 4.90 | 98,686 |
| European Countries with One Border | 0 | - | 4.97 | 183,543 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,295 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,323 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,126 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,026 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,349 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,395 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,594 |
| States of Germany | 0 | - | 4.95 | 154,084 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,566 |
| Regions of Italy | 0 | - | 4.92 | 76,764 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,676 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,068 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,634 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,010 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,399 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,720 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,814 |
| Champions League Winners | 0 | - | 4.92 | 1,013,763 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,894 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,640 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,928 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,106 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,650 |
| Monarchies of Asia | 0 | - | 4.97 | 71,413 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,205 |
| Provinces of Turkey | 0 | - | 4.94 | 205,473 |
| Provinces of China | 0 | - | 4.97 | 207,174 |
| Japanese Prefectures | 0 | - | 4.98 | 138,548 |
| States of India | 0 | - | 4.95 | 195,318 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,925 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,514 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,210 |
| The Only African Country ... | 0 | - | 4.99 | 129,535 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,326 |
| 10 Easternmost Countries in Africa | 0 | - | 4.97 | 24,752 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,311 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 323,887 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,662 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.89 | 59,355 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,751 |
| D.R. Congo Country Quiz | 0 | - | 4.88 | 39,528 |
| Palau Country Quiz | 0 | - | 4.90 | 23,109 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,829 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,496 |
| Countries Closest to Australia | 0 | - | 4.99 | 167,467 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,526 |
| Samoa Country Quiz | 0 | - | 4.81 | 20,922 |
| Tonga Country Quiz | 0 | - | 4.83 | 20,594 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,662 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,711 |
| Places Mentioned in the Song "Kokomo" | 0 | - | 4.44 | 17,066 |
| Famous Mexicans and Mexican-Americans | 0 | - | 4.15 | 16,958 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,471 |
| South America A-Z | 0 | - | 4.15 | 10,938 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,466 |
| Central American Countries | 0 | - | 4.98 | 157,145 |
