| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,191 |
| South America Map Quiz | 0 | - | 5.00 | 1,541,494 |
| Word Chain - South America | 0 | - | 4.51 | 23,768 |
| United States Map Quiz | 0 | - | 4.98 | 4,142,446 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,165 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,195 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,278 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,012,231 |
| North America Map Quiz | 0 | - | 4.98 | 244,600 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,384 |
| Canada Provinces and Territories | 0 | - | 5.00 | 338,075 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 636,182 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,645 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,755 |
| Famous People from South America | 0 | - | 4.15 | 21,790 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,362 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,901 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,020 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,921 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,034 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,983 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,385 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,900 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,100 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,520 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 91,938 |
| States of Mexico | 0 | - | 4.95 | 173,430 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,011 |
| States of Brazil | 0 | - | 4.98 | 86,434 |
| Central American Countries | 0 | - | 4.98 | 155,098 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 146,004 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,022 |
| History of Mexico | 0 | - | 4.58 | 15,235 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,489 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,588 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,928 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 158,908 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,096 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,519 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,082 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,674 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.84 | 66,860 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,606 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 216,843 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,376 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,877 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,159 |
| Australian Capitals | 0 | - | 4.92 | 62,595 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,592 |
| Famous Caribbean People | 0 | - | 4.37 | 12,566 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 23,933 |
| Territories of the United States | 0 | - | 4.79 | 52,158 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.78 | 39,394 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,595 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 51,761 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,462 |
| New York City Geography | 0 | - | 4.42 | 32,948 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,245 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,601 |
| Official European Union Languages | 0 | - | 4.97 | 236,911 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,726 |
| Europe Map Quiz | 0 | - | 5.00 | 4,732,650 |
| Africa Map Quiz | 0 | - | 5.00 | 2,104,864 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,581 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,343 |
| Native American Tribes in the US | 0 | - | 4.72 | 25,268 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,347 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,441,153 |
| Asia Map Quiz | 0 | - | 4.99 | 907,410 |
| Countries of Africa | 0 | - | 5.00 | 2,509,061 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,851 |
| African East Coast | 0 | - | 4.96 | 95,083 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,975 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,825 |
| Australia Map Quiz | 0 | - | 4.94 | 342,570 |
| Largest Land Animals of the Americas | 0 | - | 4.38 | 20,198 |
| Pixelated Americas Map | 0 | - | 4.40 | 46,827 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,621 |
| South American Geography Quiz #2 | 0 | - | 4.62 | 39,202 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,475 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,111 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,095 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,632 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,525 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 40,802 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,331 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.70 | 32,798 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,419 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 74,899 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,219 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,428 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 89,996 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,375 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,164 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 81,893 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,595 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,197 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,223 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,231 |
| Countries That Use the Euro | 0 | - | 4.96 | 103,089 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,403 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,556 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,649 |
| The Only European Country ... | 0 | - | 4.91 | 213,963 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,625 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,576 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,521 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,376,355 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,447 |
| Flags of Africa Quiz | 0 | - | 5.00 | 463,702 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,676 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,608 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,317 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,521 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,184 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,516 |
| African Island Countries | 0 | - | 4.96 | 100,827 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,729 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 32,728 |
| Australian States and Territories | 0 | - | 4.96 | 140,936 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,027 |
| Australia True or False | 0 | - | 4.87 | 56,520 |
| Flags of North and South America | 0 | - | 4.99 | 367,610 |
| South American Physical Geography | 0 | - | 4.58 | 18,272 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,602 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 32,997 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.67 | 44,967 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,022 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,089 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,511 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,248 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,227,464 |
| Celtic Nations | 0 | - | 4.69 | 46,819 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,320,200 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,738 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,332 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,438 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,499 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,883 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,917 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,036 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,549 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,304 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,230 |
| Slavic Countries | 0 | - | 4.96 | 110,892 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,056 |
| Counties of England | 0 | - | 4.97 | 789,533 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 350,182 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,896 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,377 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,816 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,451 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,289 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,779 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,530 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,722 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,828 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,195 |
| Countries of the Middle East | 0 | - | 4.96 | 199,022 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,255 |
| States of India | 0 | - | 4.94 | 190,352 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,175 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,014 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,266 |
| The Only African Country ... | 0 | - | 4.99 | 128,393 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,789 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,106 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,404 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,138 |
| Flags of Oceania | 0 | - | 5.00 | 255,382 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 26,936 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,453 |
| Australia Country Quiz | 0 | - | 4.43 | 69,298 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,069 |
| Regions of New Zealand | 0 | - | 4.85 | 28,174 |
| The Only American Country ... | 0 | - | 4.92 | 120,792 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,374 |
| Places Mentioned in the Song "Kokomo" | 0 | - | 4.44 | 16,969 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,984 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,038 |
| Which Island in the United States? | 0 | - | 4.29 | 29,175 |
| American Foods | 0 | - | 3.66 | 39,280 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,110 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.94 | 31,816 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.26 | 14,668 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,197 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,807 |
| Old West History | 0 | - | 4.33 | 15,226 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,494 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,854 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,648 |
| US States Quiz | 0 | - | 5.00 | 16,708,305 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 41,582 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.44 | 29,585 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,372 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,172 |
| US States with the Most Executions | 0 | - | 4.51 | 26,349 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 28,927 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 47,630 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.40 | 40,069 |
