| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,857 |
| South America Map Quiz | 0 | - | 5.00 | 1,548,843 |
| Word Chain - South America | 0 | - | 4.51 | 23,891 |
| United States Map Quiz | 0 | - | 4.98 | 4,156,487 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,575 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,169 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,644 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,022,156 |
| North America Map Quiz | 0 | - | 4.98 | 248,220 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,698 |
| Canada Provinces and Territories | 0 | - | 5.00 | 342,098 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 639,843 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,103 |
| Famous People from South America | 0 | - | 4.15 | 21,947 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 901,896 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,855 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,612 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,022 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,439 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,345 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,417 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,921 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,886 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,772 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,547 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,410 |
| States of Mexico | 0 | - | 4.95 | 175,819 |
| History of Mexico | 0 | - | 4.58 | 15,304 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,835 |
| States of Brazil | 0 | - | 4.97 | 87,856 |
| Central American Countries | 0 | - | 4.98 | 156,361 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 148,234 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,234 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,718 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,457 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,886 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,652 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,142 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,467 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,171 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,457 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 529,238 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,056 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 219,665 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,520 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 212,839 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,477 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,927 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,685 |
| Famous Caribbean People | 0 | - | 4.37 | 12,610 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 24,022 |
| Territories of the United States | 0 | - | 4.79 | 52,365 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,640 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,383 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,157 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,935 |
| New York City Geography | 0 | - | 4.42 | 33,079 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,568 |
| Europe Map Quiz | 0 | - | 5.00 | 4,759,812 |
| Africa Map Quiz | 0 | - | 5.00 | 2,116,647 |
| Oceania Map Quiz | 0 | - | 4.98 | 641,610 |
| Australian Capitals | 0 | - | 4.92 | 62,714 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,765 |
| Native American Tribes in the US | 0 | - | 4.72 | 25,516 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,074 |
| Official European Union Languages | 0 | - | 4.97 | 238,357 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,756 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,925 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,447,712 |
| Asia Map Quiz | 0 | - | 4.99 | 915,890 |
| Countries of Africa | 0 | - | 5.00 | 2,534,142 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,751 |
| African East Coast | 0 | - | 4.96 | 95,968 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,793 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,601 |
| Australia Map Quiz | 0 | - | 4.95 | 344,223 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,264 |
| Pixelated Americas Map | 0 | - | 4.39 | 47,138 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,739 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,332 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,571 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,448 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,286 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,704 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,623 |
| 75 Americans Named John | 0 | - | 4.41 | 23,898 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.12 | 40,994 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,625 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.70 | 33,016 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,640 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,159 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,361 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,653 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 90,835 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,793 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,390 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,493 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,946 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 46,874 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,317 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,057 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,627 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,831 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,259 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,948 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,087 |
| The Only European Country ... | 0 | - | 4.91 | 216,383 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,990 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,803 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,861 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,382,119 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,945 |
| Flags of Africa Quiz | 0 | - | 5.00 | 470,482 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,860 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,516 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,154 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,202 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,383 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,889 |
| African Island Countries | 0 | - | 4.96 | 101,545 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,287 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 33,210 |
| Australian States and Territories | 0 | - | 4.96 | 141,881 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,273 |
| Australia True or False | 0 | - | 4.87 | 56,824 |
| Flags of North and South America | 0 | - | 4.99 | 372,651 |
| South American Physical Geography | 0 | - | 4.58 | 18,335 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,702 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,105 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,721 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.61 | 45,116 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.45 | 29,678 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,551 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,380 |
| US States with the Most Executions | 0 | - | 4.51 | 26,392 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 29,055 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 47,970 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,150 |
| Top 10 Least Happy U.S. States | 0 | - | 4.54 | 24,140 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,692 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,787 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,208 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,849 |
| European Countries Ending in "IA" | 0 | - | 4.96 | 68,223 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,378 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,242,480 |
| Celtic Nations | 0 | - | 4.69 | 46,926 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,327,480 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,579 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,118 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,477 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,075 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,328 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,264 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 171,312 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,015 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,177 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,013 |
| Slavic Countries | 0 | - | 4.96 | 111,588 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,329 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,954 |
| Counties of England | 0 | - | 4.97 | 795,937 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 355,389 |
| Flags of Asia Quiz | 0 | - | 4.99 | 612,793 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,170 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,655 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,091 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,929 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,792 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,418 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,366 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,194 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 49,847 |
| Countries of the Middle East | 0 | - | 4.96 | 201,014 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,493 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,793 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,773 |
| States of India | 0 | - | 4.95 | 193,017 |
| States of India Map Quiz | 0 | - | 4.83 | 26,474 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,197 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,703 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,589 |
| African Great Lakes | 0 | - | 4.82 | 66,159 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,318 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,741 |
| The Only African Country ... | 0 | - | 4.99 | 129,046 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,106 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,546 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,518 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,792 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 321,989 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,130 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,258 |
| Name a Valid African Country | 0 | - | 4.98 | 153,960 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.88 | 56,307 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,770 |
| Tanzania Country Quiz | 0 | - | 4.90 | 33,048 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,460 |
| D.R. Congo Country Quiz | 0 | - | 4.87 | 39,330 |
| Flags of Oceania | 0 | - | 5.00 | 258,719 |
