| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,298 |
| South America Map Quiz | 0 | - | 5.00 | 1,542,442 |
| Word Chain - South America | 0 | - | 4.51 | 23,783 |
| United States Map Quiz | 0 | - | 4.98 | 4,144,643 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,231 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,297 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,442 |
| Peru True or False? | 0 | - | 4.58 | 15,201 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,014,129 |
| North America Map Quiz | 0 | - | 4.98 | 245,316 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,433 |
| Canada Provinces and Territories | 0 | - | 5.00 | 338,722 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 636,757 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,736 |
| Famous People from South America | 0 | - | 4.15 | 21,820 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 900,209 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,148 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,006 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,196 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,050 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,515 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,990 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,196 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,587 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,757 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,398 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,002 |
| States of Mexico | 0 | - | 4.95 | 173,851 |
| History of Mexico | 0 | - | 4.58 | 15,244 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,149 |
| States of Brazil | 0 | - | 4.98 | 86,684 |
| Central American Countries | 0 | - | 4.98 | 155,235 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 146,277 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,066 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,609 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,993 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,222 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,172 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,603 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,141 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,749 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.84 | 66,940 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,829 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,776 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 217,292 |
| Most Common High School Mascots | 0 | - | 4.47 | 31,883 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,405 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 210,168 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,948 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,562 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,611 |
| Famous Caribbean People | 0 | - | 4.37 | 12,572 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 23,950 |
| Territories of the United States | 0 | - | 4.79 | 52,195 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.78 | 39,428 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,736 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 51,832 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,543 |
| New York City Geography | 0 | - | 4.42 | 32,971 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,296 |
| Europe Map Quiz | 0 | - | 5.00 | 4,737,272 |
| Africa Map Quiz | 0 | - | 5.00 | 2,106,671 |
| Oceania Map Quiz | 0 | - | 4.98 | 636,516 |
| Australian Capitals | 0 | - | 4.92 | 62,612 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,406 |
| Native American Tribes in the US | 0 | - | 4.72 | 25,289 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,713 |
| Official European Union Languages | 0 | - | 4.97 | 237,212 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,063 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,747 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,442,251 |
| Asia Map Quiz | 0 | - | 4.99 | 908,482 |
| Countries of Africa | 0 | - | 5.00 | 2,513,031 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,970 |
| African East Coast | 0 | - | 4.96 | 95,228 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,114 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,993 |
| Australia Map Quiz | 0 | - | 4.94 | 342,804 |
| Largest Land Animals of the Americas | 0 | - | 4.38 | 20,206 |
| Pixelated Americas Map | 0 | - | 4.39 | 46,881 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,632 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,225 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,491 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,137 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,130 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,659 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,546 |
| 75 Americans Named John | 0 | - | 4.41 | 23,836 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 40,842 |
| New York True or False? | 0 | - | 4.53 | 33,710 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,370 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.70 | 32,829 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,455 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 74,938 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,235 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,460 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 90,392 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,441 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,196 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 81,979 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,663 |
| Ten Most Rectangular U.S. States | 0 | - | 4.54 | 71,005 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,215 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,537 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,357 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,524 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,395 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,695 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,608 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,877 |
| The Only European Country ... | 0 | - | 4.91 | 214,371 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,887 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,615 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,772 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,377,382 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,515 |
| Flags of Africa Quiz | 0 | - | 5.00 | 464,682 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,861 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,703 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,450 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,628 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,371 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,779 |
| African Island Countries | 0 | - | 4.96 | 100,928 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,965 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 32,822 |
| Australian States and Territories | 0 | - | 4.96 | 141,103 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,063 |
| Australia True or False | 0 | - | 4.87 | 56,572 |
| Flags of North and South America | 0 | - | 4.99 | 368,554 |
| South American Physical Geography | 0 | - | 4.58 | 18,287 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,616 |
| Florida True or False? | 0 | - | 4.48 | 28,561 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,022 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,659 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.67 | 44,988 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.44 | 29,602 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,409 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,194 |
| US States with the Most Executions | 0 | - | 4.51 | 26,356 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 28,950 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 47,683 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.40 | 40,088 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,043 |
| Top 10 Least Happy U.S. States | 0 | - | 4.54 | 24,047 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,604 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,685 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,111 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,574 |
| European Countries Ending in "IA" | 0 | - | 4.96 | 67,599 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,262 |
| Sahel Countries on a Map | 0 | - | 4.99 | 21,036 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,229,921 |
| Celtic Nations | 0 | - | 4.69 | 46,839 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,321,387 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,889 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,466 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,775 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,605 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,954 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,276 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,654 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,888 |
| Official and Regional Languages of Europe on a Map | 0 | - | 4.99 | 110,504 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,448 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,347 |
| Slavic Countries | 0 | - | 4.96 | 111,012 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,106 |
| Counties of England | 0 | - | 4.97 | 790,505 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 351,000 |
| Flags of Asia Quiz | 0 | - | 4.99 | 606,941 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,466 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,946 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,546 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,403 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,968 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,666 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,829 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 229,073 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,288 |
| Countries of the Middle East | 0 | - | 4.96 | 199,293 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,292 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,341 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,079 |
| Kazakhstan Country Quiz | 0 | - | 4.83 | 35,090 |
| States of India | 0 | - | 4.94 | 190,864 |
| States of India Map Quiz | 0 | - | 4.82 | 26,126 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,845 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,428 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,233 |
| African Great Lakes | 0 | - | 4.82 | 65,367 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,042 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,326 |
| The Only African Country ... | 0 | - | 4.99 | 128,475 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,830 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,972 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,484 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,223 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,663 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,508 |
