| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,200 |
| South America Map Quiz | 0 | - | 5.00 | 1,541,524 |
| Word Chain - South America | 0 | - | 4.51 | 23,768 |
| United States Map Quiz | 0 | - | 4.98 | 4,142,553 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,167 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,196 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,285 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,012,293 |
| North America Map Quiz | 0 | - | 4.98 | 244,614 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,385 |
| Canada Provinces and Territories | 0 | - | 5.00 | 338,098 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 636,202 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,649 |
| 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 | 899,914 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,025 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,927 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,039 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,983 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,392 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,905 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,101 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,523 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 91,944 |
| States of Mexico | 0 | - | 4.95 | 173,440 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,016 |
| States of Brazil | 0 | - | 4.98 | 86,437 |
| Central American Countries | 0 | - | 4.98 | 155,104 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 146,021 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,026 |
| History of Mexico | 0 | - | 4.58 | 15,235 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,496 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,588 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,930 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 158,912 |
| 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 | 124,520 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,084 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,677 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.84 | 66,863 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,613 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 216,856 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,377 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,879 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,168 |
| Australian Capitals | 0 | - | 4.92 | 62,595 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,594 |
| Famous Caribbean People | 0 | - | 4.37 | 12,567 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 23,933 |
| Territories of the United States | 0 | - | 4.79 | 52,160 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.78 | 39,395 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,600 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 51,761 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,467 |
| New York City Geography | 0 | - | 4.42 | 32,949 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,248 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,603 |
| Official European Union Languages | 0 | - | 4.97 | 236,948 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,728 |
| Europe Map Quiz | 0 | - | 5.00 | 4,732,784 |
| Africa Map Quiz | 0 | - | 5.00 | 2,104,910 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,612 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,343 |
| Native American Tribes in the US | 0 | - | 4.72 | 25,269 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,384 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,441,180 |
| Asia Map Quiz | 0 | - | 4.99 | 907,447 |
| Countries of Africa | 0 | - | 5.00 | 2,509,195 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,858 |
| African East Coast | 0 | - | 4.96 | 95,086 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,986 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,826 |
| Australia Map Quiz | 0 | - | 4.94 | 342,578 |
| 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 | 39,203 |
| 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 | 62,097 |
| 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 | 40,805 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,333 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.70 | 32,799 |
| 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 | 73,429 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 90,000 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,381 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,164 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 81,895 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,598 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,197 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,237 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,233 |
| Countries That Use the Euro | 0 | - | 4.96 | 103,097 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,423 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,556 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,658 |
| The Only European Country ... | 0 | - | 4.91 | 213,973 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,632 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,577 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,526 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,376,369 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,449 |
| Flags of Africa Quiz | 0 | - | 5.00 | 463,745 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,684 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,620 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,321 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,526 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,194 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,519 |
| African Island Countries | 0 | - | 4.96 | 100,832 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,737 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 32,730 |
| Australian States and Territories | 0 | - | 4.96 | 140,943 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,029 |
| Australia True or False | 0 | - | 4.87 | 56,522 |
| Flags of North and South America | 0 | - | 4.99 | 367,655 |
| 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 | 44,968 |
| 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 | 42,514 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,248 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,227,556 |
| Celtic Nations | 0 | - | 4.69 | 46,819 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,320,307 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,742 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,335 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,446 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,502 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,886 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,931 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,053 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,561 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,308 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,232 |
| Slavic Countries | 0 | - | 4.96 | 110,896 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,056 |
| Counties of England | 0 | - | 4.97 | 789,572 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 350,206 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,933 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,382 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,827 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,454 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,292 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,786 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,540 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,725 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,837 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,198 |
| Countries of the Middle East | 0 | - | 4.96 | 199,032 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,256 |
| States of India | 0 | - | 4.94 | 190,384 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,178 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,015 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,270 |
| 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 | 99,110 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,418 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,141 |
| Flags of Oceania | 0 | - | 5.00 | 255,396 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 26,937 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,462 |
| Australia Country Quiz | 0 | - | 4.43 | 69,300 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,072 |
| Regions of New Zealand | 0 | - | 4.85 | 28,178 |
| The Only American Country ... | 0 | - | 4.92 | 120,797 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,378 |
| Places Mentioned in the Song "Kokomo" | 0 | - | 4.44 | 16,969 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,993 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,038 |
| Which Island in the United States? | 0 | - | 4.29 | 29,176 |
| American Foods | 0 | - | 3.66 | 39,281 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,111 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.94 | 31,832 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.26 | 14,668 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,199 |
| 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 | 16,709,067 |
| 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 | 29,587 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,373 |
| 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 | 28,928 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 47,631 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.40 | 40,069 |
