| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,157 |
| South America Map Quiz | 0 | - | 5.00 | 1,541,282 |
| Word Chain - South America | 0 | - | 4.51 | 23,765 |
| United States Map Quiz | 0 | - | 4.98 | 4,141,994 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,158 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,169 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,240 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,758 |
| North America Map Quiz | 0 | - | 4.98 | 244,488 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,380 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,952 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,991 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,621 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,755 |
| Famous People from South America | 0 | - | 4.15 | 21,787 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,354 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,817 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 56,974 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,901 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 62,996 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,962 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,343 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,877 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,082 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,501 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 91,913 |
| States of Mexico | 0 | - | 4.95 | 173,359 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 52,971 |
| States of Brazil | 0 | - | 4.98 | 86,393 |
| Central American Countries | 0 | - | 4.98 | 155,066 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 145,923 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,016 |
| History of Mexico | 0 | - | 4.58 | 15,231 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,363 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,582 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,908 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 158,887 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,086 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,498 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,073 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,662 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.84 | 66,843 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,542 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 216,743 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,369 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,847 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,110 |
| Australian Capitals | 0 | - | 4.92 | 62,594 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,588 |
| Famous Caribbean People | 0 | - | 4.37 | 12,566 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 23,928 |
| Territories of the United States | 0 | - | 4.79 | 52,145 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.78 | 39,383 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,556 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 51,746 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,450 |
| New York City Geography | 0 | - | 4.42 | 32,938 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,226 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,585 |
| Official European Union Languages | 0 | - | 4.97 | 236,573 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,707 |
| Europe Map Quiz | 0 | - | 5.00 | 4,731,591 |
| Africa Map Quiz | 0 | - | 5.00 | 2,104,438 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,361 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,330 |
| Native American Tribes in the US | 0 | - | 4.72 | 25,263 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,225 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,440,536 |
| Asia Map Quiz | 0 | - | 4.99 | 907,091 |
| Countries of Africa | 0 | - | 5.00 | 2,508,076 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,822 |
| African East Coast | 0 | - | 4.96 | 95,057 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,929 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,807 |
| Australia Map Quiz | 0 | - | 4.94 | 342,505 |
| Largest Land Animals of the Americas | 0 | - | 4.38 | 20,194 |
| Pixelated Americas Map | 0 | - | 4.40 | 46,814 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,614 |
| South American Geography Quiz #2 | 0 | - | 4.62 | 39,198 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,471 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,100 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,089 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,631 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,521 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 40,795 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,316 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.70 | 32,789 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,415 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 74,882 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,214 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,413 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 89,980 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,345 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,156 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 81,876 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,580 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,194 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,162 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,211 |
| Countries That Use the Euro | 0 | - | 4.96 | 103,007 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,318 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,542 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,572 |
| The Only European Country ... | 0 | - | 4.91 | 213,856 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,551 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,569 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,480 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,957 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,436 |
| Flags of Africa Quiz | 0 | - | 5.00 | 463,438 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,633 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,582 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,283 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,509 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,124 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,468 |
| African Island Countries | 0 | - | 4.96 | 100,794 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,668 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 32,698 |
| Australian States and Territories | 0 | - | 4.96 | 140,913 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,021 |
| Australia True or False | 0 | - | 4.87 | 56,510 |
| Flags of North and South America | 0 | - | 4.99 | 367,294 |
| South American Physical Geography | 0 | - | 4.58 | 18,271 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,601 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 32,994 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.67 | 44,963 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,020 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,085 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,499 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,242 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,226,812 |
| Celtic Nations | 0 | - | 4.69 | 46,812 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,850 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,719 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,295 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,349 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,476 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,855 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,841 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,918 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,457 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,273 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,207 |
| Slavic Countries | 0 | - | 4.96 | 110,863 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,049 |
| Counties of England | 0 | - | 4.97 | 789,230 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 349,954 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,629 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,351 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,771 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,426 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,258 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,717 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,499 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,692 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,779 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,163 |
| Countries of the Middle East | 0 | - | 4.96 | 198,941 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,251 |
| States of India | 0 | - | 4.94 | 190,089 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,162 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,006 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,252 |
| The Only African Country ... | 0 | - | 4.99 | 128,369 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,780 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,074 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,356 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,114 |
| Flags of Oceania | 0 | - | 5.00 | 255,231 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 26,921 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,434 |
| Australia Country Quiz | 0 | - | 4.43 | 69,285 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,060 |
| Regions of New Zealand | 0 | - | 4.85 | 28,141 |
| The Only American Country ... | 0 | - | 4.92 | 120,765 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,347 |
| Places Mentioned in the Song "Kokomo" | 0 | - | 4.44 | 16,967 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,890 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,036 |
| Which Island in the United States? | 0 | - | 4.29 | 29,164 |
| American Foods | 0 | - | 3.66 | 39,277 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,109 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.94 | 31,712 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.26 | 14,667 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,190 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,805 |
| Old West History | 0 | - | 4.33 | 15,223 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,491 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,853 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,645 |
| US States Quiz | 0 | - | 5.00 | 16,702,082 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 41,577 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.44 | 29,582 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,362 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,164 |
| US States with the Most Executions | 0 | - | 4.51 | 26,349 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 28,922 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 47,619 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.40 | 40,067 |
