| Countries of South America with an Empty Map | 0 | - | 4.95 | 95,165 |
| South America Map Quiz | 0 | - | 5.00 | 1,430,908 |
| American Countries on the Pacific Coast | 0 | - | 4.81 | 46,530 |
| Word Chain - South America | 0 | - | 4.49 | 22,215 |
| United States Map Quiz | 0 | - | 4.98 | 3,922,032 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 107,600 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 133,514 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 108,432 |
| Countries of North America Quiz | 0 | - | 5.00 | 890,260 |
| North America Map Quiz | 0 | - | 4.98 | 201,946 |
| Third Most Common Language by U.S. State | 0 | - | 4.90 | 107,847 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 588,653 |
| Canada Geography Trivia | 0 | - | 4.81 | 45,056 |
| Most Spoken Languages in Canada | 0 | - | 4.84 | 47,639 |
| Islands of the Galápagos | 0 | - | 4.53 | 4,463 |
| Famous People from South America | 0 | - | 4.13 | 19,337 |
| Uruguay Country Quiz | 0 | - | 4.82 | 28,815 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 856,554 |
| North American Capitals - Map Quiz | 0 | - | 4.91 | 47,843 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 86,248 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.98 | 48,576 |
| U.S. State Border Crossings | 0 | - | 4.96 | 82,674 |
| U.S. Citizenship Test Questions | 0 | - | 4.86 | 223,263 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.84 | 34,214 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 65,971 |
| Cities and Towns of Massachusetts | 0 | - | 4.90 | 61,478 |
| Canada Provinces and Territories | 0 | - | 5.00 | 292,125 |
| American Countries With No Atlantic Coastline | 0 | - | 4.90 | 73,658 |
| States of Mexico | 0 | - | 4.94 | 143,566 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.91 | 40,918 |
| States of Brazil | 0 | - | 4.97 | 70,012 |
| Central American Countries | 0 | - | 4.98 | 140,622 |
| Caribbean Countries and Territories | 0 | - | 4.83 | 105,007 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 117,537 |
| History of Mexico | 0 | - | 4.55 | 14,004 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.85 | 22,160 |
| European Countries by First 2 Letters | 0 | - | 4.96 | 489,032 |
| Haiti... or Dominican Republic? | 0 | - | 4.71 | 38,485 |
| 10 Northernmost U.S. States | 0 | - | 4.89 | 74,441 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 146,321 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 168,460 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.85 | 99,543 |
| Top 10 Least Obese U.S. States | 0 | - | 4.81 | 68,960 |
| The United States... or the United Kingdom? | 0 | - | 4.89 | 90,917 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 257,398 |
| African Countries by First 2 Letters | 0 | - | 4.95 | 247,221 |
| Most-Spoken Languages of the United States | 0 | - | 4.45 | 165,016 |
| Australian Capitals | 0 | - | 4.92 | 61,017 |
| Pixelated Americas Map | 0 | - | 4.42 | 42,439 |
| Largest Caribbean Islands | 0 | - | 4.01 | 15,463 |
| Famous Caribbean People | 0 | - | 4.36 | 12,155 |
| Saintly Islands of the Caribbean | 0 | - | 4.29 | 22,370 |
| Territories of the United States | 0 | - | 4.77 | 48,829 |
| Most Mentioned Enemies of the USA | 0 | - | 4.79 | 161,068 |
| Top U.S. Cash Crops | 0 | - | 4.41 | 59,256 |
| Major non-NATO U.S. Allies | 0 | - | 4.43 | 33,715 |
| Name a Valid Answer - United States #1 | 0 | - | 4.65 | 86,991 |
| Canada Immigration by Country | 0 | - | 4.52 | 57,645 |
| Count to 10 in Europe: Pro | 0 | - | 4.81 | 61,483 |
| Official European Union Languages | 0 | - | 4.98 | 202,709 |
| European Countries in their Native Language | 0 | - | 4.99 | 145,405 |
| Europe Map Quiz | 0 | - | 5.00 | 4,328,743 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,351,792 |
| Asia Map Quiz | 0 | - | 4.99 | 794,605 |
| Africa Map Quiz | 0 | - | 5.00 | 1,952,533 |
| Oceania Map Quiz | 0 | - | 4.98 | 572,962 |
| Native American Tribes in the US | 0 | - | 4.72 | 23,129 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 390,010 |
| Countries that Beat Switzerland | 0 | - | 4.87 | 38,085 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 81,060 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,288,748 |
| Countries of Africa | 0 | - | 5.00 | 2,196,669 |
| African East Coast | 0 | - | 4.97 | 85,132 |
| Western Africa Map Quiz | 0 | - | 4.97 | 61,690 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 41,071 |
| Australia Map Quiz | 0 | - | 4.95 | 321,642 |
| Largest Land Animals of the Americas | 0 | - | 4.36 | 19,459 |
| Hispanic Last Names in the U.S. | 0 | - | 4.29 | 52,812 |
| South American Geography Quiz #2 | 0 | - | 4.65 | 37,205 |
| U.S. Federal Holidays | 0 | - | 4.29 | 96,191 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.46 | 13,848 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.17 | 50,398 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.09 | 37,801 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.47 | 94,068 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.79 | 56,555 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 61,649 |
| Top 10 Newest U.S. States | 0 | - | 4.79 | 68,431 |
| Top 10 Most Asian U.S. States | 0 | - | 4.79 | 61,980 |
| Top 10 Most Obese U.S. States | 0 | - | 4.52 | 77,605 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.49 | 64,922 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.45 | 48,630 |
| Top 10 Most White U.S. States | 0 | - | 4.53 | 56,132 |
| Top 10 Most German U.S. States | 0 | - | 4.50 | 42,478 |
| Canadian Geography on the Map | 0 | - | 4.56 | 24,333 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 196,456 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.93 | 87,063 |
| Countries That Use the Euro | 0 | - | 4.93 | 64,899 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 338,226 |
| Europe Geography Decoder | 0 | - | 4.88 | 63,905 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 94,252 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.83 | 39,221 |
| The Only European Country ... | 0 | - | 4.93 | 181,315 |
| Add A Letter - Make a European City | 0 | - | 4.87 | 21,065 |
| Counties of England | 0 | - | 4.97 | 698,542 |
| Flags of Asia Quiz | 0 | - | 4.99 | 530,525 |
| East Asia Cities Map Quiz | 0 | - | 4.97 | 101,064 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 142,022 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 89,716 |
| 10 Easternmost Countries in Asia | 0 | - | 4.98 | 97,650 |
| Countries of Asia with Two or More Words | 0 | - | 4.95 | 112,119 |
| Asian Countries Ending in "IA" | 0 | - | 4.94 | 94,627 |
| Top Asian Languages on a Map | 0 | - | 4.94 | 61,490 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 211,991 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.96 | 37,143 |
| Countries of the Middle East | 0 | - | 4.96 | 175,688 |
| Countries where Arabic is an Official Language | 0 | - | 4.83 | 52,315 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 92,278 |
| Flags of Africa Quiz | 0 | - | 4.99 | 392,351 |
| Landlocked Countries in Africa | 0 | - | 4.98 | 20,638 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 199,848 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 105,933 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 148,818 |
| African Countries with the Shortest Names | 0 | - | 4.97 | 120,793 |
| Top African Languages on a Map | 0 | - | 4.92 | 54,729 |
| African Island Countries | 0 | - | 4.96 | 90,482 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 224,932 |
| Australian States and Territories | 0 | - | 4.96 | 129,931 |
| Australia True or False | 0 | - | 4.90 | 51,894 |
| South American Physical Geography | 0 | - | 4.56 | 17,356 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 25,494 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.75 | 42,622 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 34,127 |
| Bahamas Country Quiz | 0 | - | 4.61 | 17,681 |
| Straight Shot to Antarctica | 0 | - | 4.90 | 37,759 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,057,578 |
| Celtic Nations | 0 | - | 4.76 | 44,935 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.93 | 1,199,299 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 179,225 |
| 10 Westernmost Countries in Europe | 0 | - | 4.95 | 139,575 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.95 | 188,846 |
| European Landmarks Map Quiz | 0 | - | 4.98 | 77,751 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.90 | 80,333 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 287,531 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 118,031 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.92 | 50,894 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 75,775 |
| Eastern Europe Map Quiz | 0 | - | 4.90 | 116,483 |
| Slavic Countries | 0 | - | 4.96 | 101,203 |
| Germany Multiple Choice | 0 | - | 4.81 | 49,800 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 32,330 |
| Regions of Spain Quiz | 0 | - | 4.87 | 96,353 |
| Cantons of Switzerland | 0 | - | 4.97 | 40,924 |
| UK Cities Map Quiz | 0 | - | 4.94 | 436,341 |
| Countries and Territories of the United Kingdom | 0 | - | 4.88 | 84,510 |
| Counties of England Map Quiz | 0 | - | 4.97 | 288,732 |
| Champions League Winners | 0 | - | 4.91 | 876,214 |
| Asian Geography By Letter - B | 0 | - | 4.83 | 62,097 |
| Asian Diaspora - Top 10 Countries | 0 | - | 4.81 | 38,099 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 92,680 |
| Asian Countries with the Shortest Names | 0 | - | 4.98 | 122,572 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 113,351 |
| Pixelated Asia Map | 0 | - | 4.90 | 63,960 |
| Monarchies of Asia | 0 | - | 4.95 | 54,487 |
| Asian Countries with the Fewest Borders | 0 | - | 4.81 | 89,034 |
| Provinces of Turkey | 0 | - | 4.95 | 179,295 |
| Provinces of China | 0 | - | 4.98 | 158,997 |
| Japanese Prefectures | 0 | - | 4.98 | 108,728 |
| States of India | 0 | - | 4.91 | 157,378 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 54,511 |
| Africa Geography Quiz #1 | 0 | - | 4.92 | 46,370 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.94 | 26,140 |
| African Diaspora - Top 10 Countries | 0 | - | 4.91 | 66,588 |
| The Only African Country ... | 0 | - | 4.99 | 119,977 |
| African Countries by a Single Clue | 0 | - | 4.92 | 63,948 |
| Pixelated Africa Map | 0 | - | 4.98 | 89,009 |
| Countries Closest to Africa | 0 | - | 4.95 | 146,115 |
| Flags of Oceania | 0 | - | 5.00 | 218,459 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.94 | 21,143 |
| Australia Cities Map Quiz | 0 | - | 4.85 | 132,289 |
| Australia Country Quiz | 0 | - | 4.44 | 57,937 |
| Australia... or New Zealand? | 0 | - | 4.83 | 55,145 |
| Regions of New Zealand | 0 | - | 4.83 | 24,800 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 313,363 |
| The Only American Country ... | 0 | - | 4.94 | 110,706 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 101,638 |
| Places Mentioned in the Song "Kokomo" | 0 | - | 4.42 | 16,264 |
| South American Geography Quiz #1 | 0 | - | 4.72 | 30,837 |
| North America Capitals Quiz | 0 | - | 4.99 | 188,526 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.11 | 26,114 |
| American Islands | 0 | - | 4.16 | 15,801 |
| American Foods | 0 | - | 3.71 | 38,245 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 5,718 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.19 | 13,713 |
| U.S. Groups of Four Quiz | 0 | - | 4.37 | 23,451 |
| U.S. Groups of Three Quiz | 0 | - | 4.05 | 19,612 |
| New York City Geography | 0 | - | 4.40 | 23,460 |
| Old West History | 0 | - | 4.28 | 14,810 |
| Life of Benjamin Franklin | 0 | - | 4.20 | 6,236 |
| American Revolution - Multiple Choice | 0 | - | 4.32 | 18,898 |
| US States Quiz | 0 | - | 5.00 | 14,894,381 |
