| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,761 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,637 |
| North America Map Quiz | 0 | - | 4.98 | 249,322 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,804 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,295 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,824 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,720 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,732 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 220,742 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,417 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,579 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,703 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,386 |
| Name a Valid Answer - United States #1 | 0 | - | 4.63 | 94,125 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,532 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,746 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,829 |
| Native American Tribes in the US | 0 | - | 4.74 | 25,600 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,009 |
| States of Mexico | 0 | - | 4.96 | 176,704 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 105,081 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,157 |
| States of Brazil | 0 | - | 4.97 | 88,553 |
| North American Physical Geography | 0 | - | 4.35 | 30,433 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,447 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,357 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,668 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.12 | 41,073 |
| Austria... or Australia? | 0 | - | 4.68 | 104,494 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,293 |
| Greenland... or Iceland? | 0 | - | 4.50 | 43,801 |
| Iran... or Iraq? | 0 | - | 4.32 | 33,597 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,492 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,564 |
| The U.S. Pledge of Allegiance | 0 | - | 3.99 | 18,373 |
| Europe Map Quiz | 0 | - | 5.00 | 4,770,264 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 214,490 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,661 |
| Africa Map Quiz | 0 | - | 5.00 | 2,121,429 |
| Which African Country? | 0 | - | 4.58 | 36,394 |
| Oceania Map Quiz | 0 | - | 4.98 | 646,764 |
| Australian Capitals | 0 | - | 4.92 | 62,751 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,791 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,785 |
| History of Mexico | 0 | - | 4.58 | 15,333 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,387 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,601 |
| Word Chain - South America | 0 | - | 4.51 | 23,929 |
| United States Map Quiz | 0 | - | 4.98 | 4,163,279 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,309 |
| Official European Union Languages | 0 | - | 4.97 | 238,891 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,112 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,970 |
| Which European Country - Multiple Choice | 0 | - | 4.51 | 84,458 |
| Which Country of the United Kingdom? | 0 | - | 4.58 | 39,418 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,449,610 |
| Asia Map Quiz | 0 | - | 4.99 | 919,300 |
| Which Asian Country? | 0 | - | 4.64 | 57,630 |
| China Multiple Choice | 0 | - | 4.50 | 37,324 |
| Countries of Africa | 0 | - | 5.00 | 2,544,242 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,082 |
| Flags of Africa Quiz | 0 | - | 5.00 | 473,006 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,083 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,316 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,777 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,462 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,422 |
| African East Coast | 0 | - | 4.96 | 96,268 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,808 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,120 |
| Top African Languages on a Map | 0 | - | 4.92 | 74,430 |
| African Island Countries | 0 | - | 4.96 | 101,858 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,806 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 33,407 |
| South Africa Multiple Choice | 0 | - | 4.55 | 27,497 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,873 |
| Australian States and Territories | 0 | - | 4.96 | 142,223 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,362 |
| Australia Map Quiz | 0 | - | 4.95 | 345,063 |
| Australia True or False | 0 | - | 4.87 | 56,949 |
| Flags of North and South America | 0 | - | 4.99 | 374,201 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,281 |
| New World Crops | 0 | - | 4.38 | 30,909 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,085 |
| South America Map Quiz | 0 | - | 5.00 | 1,551,583 |
| South American Physical Geography | 0 | - | 4.58 | 18,366 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,662 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,025,574 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,748 |
| Canada Provinces and Territories | 0 | - | 5.00 | 343,567 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 641,571 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,756 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,734 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,957 |
| European Countries Ending in "IA" | 0 | - | 4.96 | 68,553 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,426 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,517 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,248,161 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,991 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,330,555 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,097 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,647 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,898 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,412 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,324 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,343 |
| The Only European Country ... | 0 | - | 4.91 | 217,340 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,525 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,191 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 172,873 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,542 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,598 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,539 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,383 |
| Slavic Countries | 0 | - | 4.96 | 111,870 |
| France True or False? | 0 | - | 4.44 | 39,980 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,459 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,187 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,706 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,907 |
| Counties of England | 0 | - | 4.97 | 798,696 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,202 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,998 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 358,039 |
| Flags of Asia Quiz | 0 | - | 4.99 | 615,686 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,390 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,995 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,353 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,213 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,214 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,762 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,635 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,254 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,727 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 50,090 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,384,751 |
| Countries of the Middle East | 0 | - | 4.96 | 201,638 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,586 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 33,010 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,069 |
| States of India | 0 | - | 4.95 | 194,058 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,341 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,815 |
| African Great Lakes | 0 | - | 4.82 | 66,504 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,388 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 72,877 |
| The Only African Country ... | 0 | - | 4.99 | 129,267 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,200 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,755 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,797 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,044 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 322,846 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,380 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,576 |
| Name a Valid African Country | 0 | - | 4.98 | 154,340 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.89 | 58,347 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,851 |
| Tanzania Country Quiz | 0 | - | 4.90 | 33,127 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,583 |
| D.R. Congo Country Quiz | 0 | - | 4.87 | 39,425 |
| Flags of Oceania | 0 | - | 5.00 | 260,411 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,425 |
| Australia Cities Map Quiz | 0 | - | 4.82 | 145,675 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,663 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,264 |
| Countries Closest to Australia | 0 | - | 4.99 | 167,115 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,699 |
| Regions of New Zealand | 0 | - | 4.84 | 28,591 |
| The Only American Country ... | 0 | - | 4.92 | 121,804 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,262 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,366 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,564 |
| Places Mentioned in the Song "Kokomo" | 0 | - | 4.44 | 17,035 |
| Famous Mexicans and Mexican-Americans | 0 | - | 4.15 | 16,951 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,012 |
| Famous People from South America | 0 | - | 4.15 | 22,018 |
| South America A-Z | 0 | - | 4.13 | 10,919 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,231 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 902,891 |
| Central American Countries | 0 | - | 4.98 | 156,755 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 112,946 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 149,006 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,713 |
| Famous Caribbean People | 0 | - | 4.37 | 12,633 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 24,077 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,165 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,383 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,599 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,099 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,727 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,852 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,598 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,811 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,774 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,934 |
| California Multiple Choice | 0 | - | 4.40 | 28,121 |
| Florida Multiple Choice | 0 | - | 4.33 | 10,187 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,375 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,380 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,025 |
