| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,180 |
| South America Map Quiz | 0 | - | 5.00 | 1,541,447 |
| Word Chain - South America | 0 | - | 4.51 | 23,768 |
| United States Map Quiz | 0 | - | 4.98 | 4,142,362 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,165 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,189 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,274 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,012,131 |
| North America Map Quiz | 0 | - | 4.98 | 244,572 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,383 |
| Canada Provinces and Territories | 0 | - | 5.00 | 338,057 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 636,171 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,638 |
| 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 | 31,359 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,890 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,010 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,917 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,021 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,973 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,373 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,891 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,094 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,517 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 91,936 |
| States of Mexico | 0 | - | 4.95 | 173,407 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,009 |
| States of Brazil | 0 | - | 4.98 | 86,424 |
| Central American Countries | 0 | - | 4.98 | 155,089 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 145,994 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,022 |
| History of Mexico | 0 | - | 4.58 | 15,233 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,470 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,587 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,922 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 158,900 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,094 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,517 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,082 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,672 |
| 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 | 266,586 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 216,818 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,375 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,868 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,153 |
| Australian Capitals | 0 | - | 4.92 | 62,594 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,591 |
| Famous Caribbean People | 0 | - | 4.37 | 12,566 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 23,931 |
| Territories of the United States | 0 | - | 4.79 | 52,155 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.78 | 39,394 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,582 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 51,758 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,460 |
| New York City Geography | 0 | - | 4.42 | 32,947 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,240 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,597 |
| Official European Union Languages | 0 | - | 4.97 | 236,855 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,722 |
| Europe Map Quiz | 0 | - | 5.00 | 4,732,458 |
| Africa Map Quiz | 0 | - | 5.00 | 2,104,816 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,537 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,340 |
| Native American Tribes in the US | 0 | - | 4.72 | 25,266 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,327 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,440,996 |
| Asia Map Quiz | 0 | - | 4.99 | 907,356 |
| Countries of Africa | 0 | - | 5.00 | 2,508,866 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,842 |
| African East Coast | 0 | - | 4.96 | 95,082 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,973 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,824 |
| Australia Map Quiz | 0 | - | 4.94 | 342,565 |
| Largest Land Animals of the Americas | 0 | - | 4.38 | 20,195 |
| Pixelated Americas Map | 0 | - | 4.40 | 46,826 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,620 |
| South American Geography Quiz #2 | 0 | - | 4.62 | 39,201 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,475 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,110 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,093 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,631 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,524 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 40,801 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,328 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.70 | 32,796 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,419 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 74,893 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,218 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,426 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 89,995 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,370 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,160 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 81,888 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,591 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,196 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,211 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,230 |
| Countries That Use the Euro | 0 | - | 4.96 | 103,073 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,392 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,554 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,636 |
| The Only European Country ... | 0 | - | 4.91 | 213,945 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,613 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,575 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,510 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,376,316 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,445 |
| Flags of Africa Quiz | 0 | - | 5.00 | 463,662 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,664 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,604 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,313 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,519 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,173 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,507 |
| African Island Countries | 0 | - | 4.96 | 100,819 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,718 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 32,728 |
| Australian States and Territories | 0 | - | 4.96 | 140,933 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,025 |
| Australia True or False | 0 | - | 4.87 | 56,519 |
| Flags of North and South America | 0 | - | 4.99 | 367,559 |
| 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 | 32,996 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.67 | 44,966 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,021 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,088 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,509 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,246 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,227,362 |
| Celtic Nations | 0 | - | 4.69 | 46,818 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,320,123 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,734 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,323 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,423 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,494 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,875 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,907 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,019 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,530 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,295 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,226 |
| Slavic Countries | 0 | - | 4.96 | 110,887 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,056 |
| Counties of England | 0 | - | 4.97 | 789,481 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 350,143 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,858 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,370 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,804 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,448 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,286 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,764 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,524 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,718 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,820 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,187 |
| Countries of the Middle East | 0 | - | 4.96 | 199,003 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,254 |
| States of India | 0 | - | 4.94 | 190,297 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,174 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,009 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,263 |
| The Only African Country ... | 0 | - | 4.99 | 128,390 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,787 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,103 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,388 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,135 |
| Flags of Oceania | 0 | - | 5.00 | 255,349 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 26,932 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,448 |
| Australia Country Quiz | 0 | - | 4.43 | 69,296 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,066 |
| Regions of New Zealand | 0 | - | 4.85 | 28,172 |
| The Only American Country ... | 0 | - | 4.92 | 120,786 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,372 |
| Places Mentioned in the Song "Kokomo" | 0 | - | 4.44 | 16,968 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,968 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,038 |
| Which Island in the United States? | 0 | - | 4.29 | 29,171 |
| American Foods | 0 | - | 3.66 | 39,279 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,110 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.94 | 31,796 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.26 | 14,667 |
| 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 | 15,225 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,493 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,853 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,647 |
| US States Quiz | 0 | - | 5.00 | 16,707,103 |
| 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 | 42,369 |
| 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 | 28,925 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 47,627 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.40 | 40,069 |
