| Countries of South America with an Empty Map | 0 | - | 4.94 | 105,405 |
| South America Map Quiz | 0 | - | 5.00 | 1,555,443 |
| Word Chain - South America | 0 | - | 4.51 | 23,993 |
| United States Map Quiz | 0 | - | 4.98 | 4,169,599 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,914 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,714 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,528 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,738 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,030,159 |
| North America Map Quiz | 0 | - | 4.98 | 251,289 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,949 |
| Canada Provinces and Territories | 0 | - | 5.00 | 345,696 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 644,115 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,507 |
| Famous People from South America | 0 | - | 4.15 | 22,080 |
| Central America and Caribbean Map Quiz | 0 | - | 4.90 | 904,621 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,726 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 95,090 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,885 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,830 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,717 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,876 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 74,909 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,219 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,791 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,756 |
| States of Mexico | 0 | - | 4.96 | 177,966 |
| History of Mexico | 0 | - | 4.52 | 15,360 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,688 |
| States of Brazil | 0 | - | 4.97 | 89,489 |
| Central American Countries | 0 | - | 4.98 | 157,212 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,498 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 150,100 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,366 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,831 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 83,008 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 160,604 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 178,145 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,621 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,794 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,609 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,947 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,174 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 222,176 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,669 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 216,270 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 99,010 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,498 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,219 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,769 |
| Famous Caribbean People | 0 | - | 4.37 | 12,654 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 24,134 |
| Territories of the United States | 0 | - | 4.80 | 52,595 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,850 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 176,027 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,487 |
| Name a Valid Answer - United States #1 | 0 | - | 4.62 | 94,345 |
| New York City Geography | 0 | - | 4.43 | 33,176 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,842 |
| Europe Map Quiz | 0 | - | 5.00 | 4,784,094 |
| Oceania Map Quiz | 0 | - | 4.98 | 658,633 |
| Australian Capitals | 0 | - | 4.92 | 62,819 |
| Native American Tribes in the US | 0 | - | 4.74 | 25,710 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,646 |
| Official European Union Languages | 0 | - | 4.97 | 239,614 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,545 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,536 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,451,611 |
| Asia Map Quiz | 0 | - | 4.99 | 924,144 |
| Africa Map Quiz | 0 | - | 5.00 | 2,127,335 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,370 |
| Australia Map Quiz | 0 | - | 4.95 | 345,992 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,310 |
| Pixelated Americas Map | 0 | - | 4.39 | 47,386 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,846 |
| South American Geography Quiz #2 | 0 | - | 4.41 | 43,782 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,859 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,612 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,429 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,765 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,715 |
| 75 Americans Named John | 0 | - | 4.41 | 23,966 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.12 | 41,157 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,897 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.74 | 33,206 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,815 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,438 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,496 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,839 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 91,308 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 85,228 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,559 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,994 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 60,236 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 47,067 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,422 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,699 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,879 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,537 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,988 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,269 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,921 |
| The Only European Country ... | 0 | - | 4.91 | 218,670 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,350 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,029 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,828 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,386,768 |
| Countries of Africa | 0 | - | 5.00 | 2,556,119 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,731 |
| African East Coast | 0 | - | 4.96 | 96,666 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,503 |
| Australian States and Territories | 0 | - | 4.96 | 142,758 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,475 |
| Australia True or False | 0 | - | 4.87 | 57,110 |
| Flags of North and South America | 0 | - | 4.99 | 376,386 |
| South American Physical Geography | 0 | - | 4.58 | 18,397 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,772 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,187 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,772 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.61 | 45,247 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.45 | 29,782 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,699 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,516 |
| US States with the Most Executions | 0 | - | 4.51 | 26,422 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 29,148 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 48,236 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,254 |
| Top 10 Least Happy U.S. States | 0 | - | 4.54 | 24,238 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,803 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,888 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,278 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,134 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,488 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,255,833 |
| Celtic Nations | 0 | - | 4.61 | 47,081 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,334,583 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,393 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,945 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,496 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,694 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 87,953 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,448 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 175,352 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,221 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,061 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,706 |
| Slavic Countries | 0 | - | 4.96 | 112,282 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,669 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,392 |
| Counties of England | 0 | - | 4.97 | 802,064 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 360,888 |
| Flags of Asia Quiz | 0 | - | 4.99 | 619,166 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,706 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,442 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,811 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,068 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,693 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,220 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,982 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 231,434 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 50,504 |
| Countries of the Middle East | 0 | - | 4.96 | 202,432 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,715 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,463 |
| Flags of Africa Quiz | 0 | - | 5.00 | 476,630 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,213 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,386 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,175 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 34,044 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,466 |
| Top African Languages on a Map | 0 | - | 4.94 | 75,104 |
| African Island Countries | 0 | - | 4.96 | 102,349 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 244,453 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 33,603 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,777 |
| D.R. Congo Country Quiz | 0 | - | 4.88 | 39,546 |
| Flags of Oceania | 0 | - | 5.00 | 262,259 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,656 |
| Palau Country Quiz | 0 | - | 4.90 | 23,131 |
| Australia Cities Map Quiz | 0 | - | 4.82 | 146,406 |
| Australia Country Quiz | 0 | - | 4.43 | 69,803 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,857 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,533 |
| Countries Closest to Australia | 0 | - | 4.99 | 167,735 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,948 |
| Regions of New Zealand | 0 | - | 4.84 | 28,694 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,538 |
| Samoa Country Quiz | 0 | - | 4.81 | 20,934 |
| Tonga Country Quiz | 0 | - | 4.83 | 20,608 |
| The Only American Country ... | 0 | - | 4.92 | 122,143 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,590 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,757 |
| Places Mentioned in the Song "Kokomo" | 0 | - | 4.44 | 17,069 |
| Famous Mexicans and Mexican-Americans | 0 | - | 4.15 | 16,961 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,528 |
| South America A-Z | 0 | - | 4.15 | 10,941 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,514 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,854 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,183 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,412 |
