| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,084 |
| South America Map Quiz | 0 | - | 5.00 | 1,540,624 |
| Word Chain - South America | 0 | - | 4.51 | 23,758 |
| United States Map Quiz | 0 | - | 4.98 | 4,140,311 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,124 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,111 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,008 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,010,836 |
| North America Map Quiz | 0 | - | 4.98 | 244,127 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,352 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,502 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,565 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,562 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,754 |
| Famous People from South America | 0 | - | 4.15 | 21,778 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,338 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,578 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 56,894 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,845 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 62,845 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,892 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,228 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,801 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 72,997 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,452 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 91,850 |
| States of Mexico | 0 | - | 4.95 | 173,169 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 52,833 |
| States of Brazil | 0 | - | 4.98 | 86,274 |
| Central American Countries | 0 | - | 4.98 | 154,946 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 145,692 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,004 |
| History of Mexico | 0 | - | 4.58 | 15,223 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,134 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,570 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,855 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 158,806 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,045 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,422 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,041 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,628 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.84 | 66,775 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,388 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 216,441 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,348 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,787 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 276,996 |
| Australian Capitals | 0 | - | 4.92 | 62,586 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,580 |
| Famous Caribbean People | 0 | - | 4.37 | 12,563 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 23,919 |
| Territories of the United States | 0 | - | 4.79 | 52,111 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.78 | 39,359 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,462 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 51,703 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,402 |
| New York City Geography | 0 | - | 4.42 | 32,893 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,190 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,542 |
| Official European Union Languages | 0 | - | 4.97 | 236,407 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,629 |
| Europe Map Quiz | 0 | - | 5.00 | 4,728,698 |
| Africa Map Quiz | 0 | - | 5.00 | 2,103,223 |
| Oceania Map Quiz | 0 | - | 4.98 | 634,760 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,290 |
| Native American Tribes in the US | 0 | - | 4.70 | 25,253 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 424,956 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,438,560 |
| Asia Map Quiz | 0 | - | 4.99 | 906,253 |
| Countries of Africa | 0 | - | 5.00 | 2,505,633 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,756 |
| African East Coast | 0 | - | 4.96 | 94,966 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,840 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,741 |
| Australia Map Quiz | 0 | - | 4.94 | 342,317 |
| Largest Land Animals of the Americas | 0 | - | 4.38 | 20,191 |
| Pixelated Americas Map | 0 | - | 4.40 | 46,778 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,608 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,182 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,461 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,074 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,073 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,628 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,511 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 40,774 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,285 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.70 | 32,764 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,402 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 74,847 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,192 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,389 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 89,913 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,281 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,131 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 81,807 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,533 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,184 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 209,934 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,165 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,814 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,144 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,496 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,408 |
| The Only European Country ... | 0 | - | 4.91 | 213,599 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,384 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,542 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,367 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,321 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,398 |
| Flags of Africa Quiz | 0 | - | 5.00 | 462,619 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,531 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,494 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,182 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,451 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 151,977 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,311 |
| African Island Countries | 0 | - | 4.96 | 100,700 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,518 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 32,618 |
| Australian States and Territories | 0 | - | 4.95 | 140,586 |
| Australian Immigration by Country | 0 | - | 4.81 | 76,996 |
| Australia True or False | 0 | - | 4.87 | 56,483 |
| Flags of North and South America | 0 | - | 4.99 | 366,213 |
| South American Physical Geography | 0 | - | 4.58 | 18,264 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,596 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 32,982 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.67 | 44,947 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,011 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,070 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,468 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,228 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,224,975 |
| Celtic Nations | 0 | - | 4.69 | 46,800 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,318,939 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,626 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,228 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,146 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,425 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,807 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,642 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,654 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,224 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,187 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,092 |
| Slavic Countries | 0 | - | 4.96 | 110,796 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,029 |
| Counties of England | 0 | - | 4.97 | 788,619 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 349,412 |
| Flags of Asia Quiz | 0 | - | 4.99 | 604,872 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,302 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,699 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,341 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,162 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,618 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,400 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,622 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,676 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,076 |
| Countries of the Middle East | 0 | - | 4.96 | 198,773 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,227 |
| States of India | 0 | - | 4.94 | 189,846 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,120 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 48,985 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,214 |
| The Only African Country ... | 0 | - | 4.99 | 128,298 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,751 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,003 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,234 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,047 |
| Flags of Oceania | 0 | - | 5.00 | 254,822 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 26,884 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,357 |
| Australia Country Quiz | 0 | - | 4.43 | 69,249 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,028 |
| Regions of New Zealand | 0 | - | 4.85 | 28,108 |
| The Only American Country ... | 0 | - | 4.92 | 120,689 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,285 |
| Places Mentioned in the Song "Kokomo" | 0 | - | 4.44 | 16,958 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,640 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,030 |
| Which Island in the United States? | 0 | - | 4.29 | 29,137 |
| American Foods | 0 | - | 3.66 | 39,271 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,109 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.26 | 14,660 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,177 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,795 |
| Old West History | 0 | - | 4.33 | 15,219 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,487 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,842 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,636 |
| US States Quiz | 0 | - | 5.00 | 16,686,186 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 41,567 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.44 | 29,571 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,345 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,140 |
| US States with the Most Executions | 0 | - | 4.51 | 26,347 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 28,910 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 47,583 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.40 | 40,056 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,651 |
