| United States Map Quiz | 0 | - | 4.98 | 4,153,278 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,020,151 |
| North America Map Quiz | 0 | - | 4.98 | 247,531 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,633 |
| Canada Provinces and Territories | 0 | - | 5.00 | 341,094 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 639,016 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,022 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 901,414 |
| History of Mexico | 0 | - | 4.58 | 15,290 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,683 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,526 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,805 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,343 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,131 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,312 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,703 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,797 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,765 |
| Central American Countries | 0 | - | 4.98 | 155,849 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 147,678 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,364 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,745 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,488 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,030 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,414 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,095 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,356 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 219,053 |
| Most Common High School Mascots | 0 | - | 4.47 | 32,039 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,493 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,346 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,501 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,063 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,244 |
| South America Map Quiz | 0 | - | 5.00 | 1,547,024 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,688 |
| Territories of the United States | 0 | - | 4.79 | 52,321 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,568 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,232 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,062 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,834 |
| New York City Geography | 0 | - | 4.42 | 33,051 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,503 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,768 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,508 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,676 |
| North America Capitals Quiz | 0 | - | 4.99 | 218,968 |
| Native American Tribes in the US | 0 | - | 4.72 | 25,442 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,313 |
| States of Mexico | 0 | - | 4.95 | 175,419 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,605 |
| States of Brazil | 0 | - | 4.97 | 87,544 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,658 |
| Famous Caribbean People | 0 | - | 4.37 | 12,601 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 24,011 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,192 |
| Word Chain - South America | 0 | - | 4.51 | 23,868 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,420 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,250 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,694 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,600 |
| 75 Americans Named John | 0 | - | 4.41 | 23,886 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 40,954 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,564 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.72 | 32,966 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,560 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,111 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,338 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,613 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 90,742 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,712 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,346 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,366 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,880 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 46,811 |
| Ten Most Rectangular U.S. States | 0 | - | 4.54 | 71,257 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,290 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 528,581 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,088 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.61 | 45,082 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,123 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,186 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,815 |
| Famous People from South America | 0 | - | 4.15 | 21,913 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,101 |
| Which Island in the United States? | 0 | - | 4.29 | 29,413 |
| American Foods | 0 | - | 3.66 | 39,354 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,125 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.95 | 32,216 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.26 | 14,721 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,287 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,864 |
| U.S. Analogies | 0 | - | 4.27 | 19,653 |
| Branches of the U.S. Military | 0 | - | 4.39 | 24,321 |
| Old West History | 0 | - | 4.33 | 15,257 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,515 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,911 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,705 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.45 | 29,666 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,510 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,324 |
| US States with the Most Executions | 0 | - | 4.51 | 26,385 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 29,033 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 47,903 |
| Top 10 Least Happy U.S. States | 0 | - | 4.54 | 24,107 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,677 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,763 |
| 20 Most-Visited Places in Canada | 0 | - | 4.27 | 13,173 |
| Canadian Musical Acts by Two Songs | 0 | - | 4.02 | 28,507 |
| Canada Decoder | 0 | - | 4.12 | 18,701 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 211,983 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,604 |
| Australian Capitals | 0 | - | 4.92 | 62,692 |
| North America Cities by Map | 0 | - | 4.41 | 47,754 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,555 |
| Three Real and One Fake - U.S. Geography | 0 | - | 4.34 | 29,314 |
| California Multiple Choice | 0 | - | 4.40 | 28,083 |
| San Francisco Trivia | 0 | - | 4.32 | 15,691 |
| San Francisco A-Z | 0 | - | 4.18 | 9,556 |
| Florida Multiple Choice | 0 | - | 4.33 | 10,180 |
| Boston City Trivia | 0 | - | 4.38 | 24,158 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 41,633 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,982 |
| Official European Union Languages | 0 | - | 4.97 | 238,072 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,580 |
| Europe Map Quiz | 0 | - | 5.00 | 4,754,504 |
| Africa Map Quiz | 0 | - | 5.00 | 2,114,280 |
| Oceania Map Quiz | 0 | - | 4.98 | 640,329 |
| Three Real and One Fake - U.S. History | 0 | - | 4.33 | 25,750 |
| U.S. History Multiple Choice #2 | 0 | - | 4.32 | 25,049 |
| U.S. History Multiple Choice #1 | 0 | - | 4.31 | 22,227 |
| U.S. History Multiple Choice #4 | 0 | - | 4.26 | 25,563 |
| Top 10 Most Religious U.S. States | 0 | - | 4.31 | 19,320 |
| U.S. States with the Least Gun Ownership | 0 | - | 4.35 | 25,436 |
| Top 10 US States that Produce the Most Coal | 0 | - | 4.27 | 25,422 |
| U.S. States with Youngest Median Age | 0 | - | 4.32 | 20,591 |
| Top 10 U.S. States by Percent Born in State | 0 | - | 4.25 | 12,325 |
| Top 10 U.S. States by Percent Born out of State | 0 | - | 4.22 | 11,833 |
| U.S. States with the Most Workplace Fatalities | 0 | - | 4.09 | 9,563 |
| U.S. History Multiple Choice #5 | 0 | - | 4.26 | 11,537 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,415 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,446,327 |
| Asia Map Quiz | 0 | - | 4.99 | 914,162 |
| Countries of Africa | 0 | - | 5.00 | 2,529,084 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,567 |
| African East Coast | 0 | - | 4.96 | 95,778 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,591 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,431 |
| Australia Map Quiz | 0 | - | 4.95 | 343,760 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,244 |
| Pixelated Americas Map | 0 | - | 4.39 | 47,075 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,711 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,305 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,555 |
| USA Tourist Attractions by Description #2 | 0 | - | 4.00 | 21,308 |
| American Inventions #1 | 0 | - | 3.63 | 31,497 |
| American Inventions #2 | 0 | - | 3.93 | 15,857 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,710 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,532 |
| Shrinking U.S. States | 0 | - | 4.38 | 40,315 |
| University of California Campuses | 0 | - | 3.84 | 8,903 |
| Famous Canadians Quiz | 0 | - | 3.94 | 23,400 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,667 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,564 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,859 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,469 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,885 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,867 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,772 |
| The Only European Country ... | 0 | - | 4.91 | 215,906 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,716 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,743 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,589 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,380,656 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,856 |
| Flags of Africa Quiz | 0 | - | 5.00 | 468,983 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,602 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,359 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,963 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,041 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,119 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,598 |
| African Island Countries | 0 | - | 4.96 | 101,390 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,004 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 33,104 |
| Australian States and Territories | 0 | - | 4.96 | 141,655 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,227 |
| Australia True or False | 0 | - | 4.87 | 56,752 |
| Flags of North and South America | 0 | - | 4.99 | 371,738 |
| South American Physical Geography | 0 | - | 4.58 | 18,328 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,684 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,778 |
| European Countries Ending in "IA" | 0 | - | 4.96 | 68,053 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,353 |
| Sahel Countries on a Map | 0 | - | 4.99 | 21,190 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,239,433 |
| Celtic Nations | 0 | - | 4.69 | 46,905 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,325,862 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,393 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,939 |
