| Countries of South America with an Empty Map | 0 | - | 4.94 | 105,073 |
| South America Map Quiz | 0 | - | 5.00 | 1,551,498 |
| Word Chain - South America | 0 | - | 4.51 | 23,928 |
| United States Map Quiz | 0 | - | 4.98 | 4,163,039 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,700 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,377 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,070 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,633 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,025,482 |
| North America Map Quiz | 0 | - | 4.98 | 249,272 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,803 |
| Canada Provinces and Territories | 0 | - | 5.00 | 343,532 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 641,514 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,289 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,785 |
| Famous People from South America | 0 | - | 4.15 | 22,016 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 902,850 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,163 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,816 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,374 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,593 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,713 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,591 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 74,337 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,023 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,555 |
| States of Mexico | 0 | - | 4.96 | 176,686 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,147 |
| States of Brazil | 0 | - | 4.97 | 88,541 |
| Central American Countries | 0 | - | 4.98 | 156,736 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 112,931 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 148,969 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,292 |
| History of Mexico | 0 | - | 4.58 | 15,333 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,452 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,760 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,681 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 160,257 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,933 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,397 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,655 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,427 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,701 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,555 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 220,699 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,577 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,709 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,598 |
| Australian Capitals | 0 | - | 4.92 | 62,748 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,712 |
| Famous Caribbean People | 0 | - | 4.37 | 12,633 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 24,077 |
| Territories of the United States | 0 | - | 4.80 | 52,459 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,733 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,660 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,280 |
| Name a Valid Answer - United States #1 | 0 | - | 4.63 | 94,122 |
| New York City Geography | 0 | - | 4.42 | 33,125 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,699 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,304 |
| Official European Union Languages | 0 | - | 4.97 | 238,875 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,099 |
| Europe Map Quiz | 0 | - | 5.00 | 4,769,812 |
| Africa Map Quiz | 0 | - | 5.00 | 2,121,279 |
| Oceania Map Quiz | 0 | - | 4.98 | 643,647 |
| Native American Tribes in the US | 0 | - | 4.74 | 25,596 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,925 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,449,541 |
| Asia Map Quiz | 0 | - | 4.99 | 919,182 |
| Countries of Africa | 0 | - | 5.00 | 2,543,816 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,069 |
| African East Coast | 0 | - | 4.96 | 96,255 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,105 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,857 |
| Australia Map Quiz | 0 | - | 4.95 | 345,006 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,281 |
| Pixelated Americas Map | 0 | - | 4.39 | 47,250 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,791 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,386 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,599 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,512 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,355 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,734 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,665 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.12 | 41,072 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,739 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.74 | 33,102 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,747 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,283 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,421 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,747 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 91,055 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,994 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,469 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,717 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 60,062 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 46,966 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,359 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,738 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,730 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,499 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,967 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,092 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,630 |
| The Only European Country ... | 0 | - | 4.91 | 217,313 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,520 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,900 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,219 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,384,678 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,077 |
| Flags of Africa Quiz | 0 | - | 5.00 | 472,904 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,286 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,771 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,448 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,412 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,790 |
| Top African Languages on a Map | 0 | - | 4.92 | 74,411 |
| African Island Countries | 0 | - | 4.96 | 101,841 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,780 |
| Australian States and Territories | 0 | - | 4.96 | 142,207 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,357 |
| Australia True or False | 0 | - | 4.87 | 56,940 |
| Flags of North and South America | 0 | - | 4.99 | 374,135 |
| South American Physical Geography | 0 | - | 4.58 | 18,366 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,732 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,132 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.61 | 45,175 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,194 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,238 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,953 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,420 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,247,964 |
| Celtic Nations | 0 | - | 4.69 | 46,987 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,330,478 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,891 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,404 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,296 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,335 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,517 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,145 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 172,790 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,585 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,529 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,370 |
| Slavic Countries | 0 | - | 4.96 | 111,858 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,451 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,171 |
| Counties of England | 0 | - | 4.97 | 798,610 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 357,944 |
| Flags of Asia Quiz | 0 | - | 4.99 | 615,589 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,385 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,988 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,345 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,206 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,193 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,746 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,624 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,717 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 50,081 |
| Countries of the Middle East | 0 | - | 4.96 | 201,609 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,584 |
| States of India | 0 | - | 4.95 | 194,009 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,746 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,381 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 72,870 |
| The Only African Country ... | 0 | - | 4.99 | 129,262 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,196 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,032 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 322,707 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,373 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.89 | 58,317 |
| Flags of Oceania | 0 | - | 5.00 | 260,349 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,417 |
| Australia Cities Map Quiz | 0 | - | 4.82 | 145,638 |
| Australia Country Quiz | 0 | - | 4.43 | 69,662 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,687 |
| Regions of New Zealand | 0 | - | 4.84 | 28,586 |
| The Only American Country ... | 0 | - | 4.92 | 121,791 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,257 |
| Places Mentioned in the Song "Kokomo" | 0 | - | 4.44 | 17,035 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,508 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,148 |
| Which Island in the United States? | 0 | - | 4.29 | 29,595 |
| American Foods | 0 | - | 3.66 | 39,401 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,133 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.95 | 32,285 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.26 | 14,774 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,361 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,920 |
| Old West History | 0 | - | 4.34 | 15,285 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,525 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,950 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,746 |
| US States Quiz | 0 | - | 5.00 | 16,912,314 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 41,679 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.45 | 29,732 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,614 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,442 |
| US States with the Most Executions | 0 | - | 4.51 | 26,405 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 29,098 |
