| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 902,282 |
| Central American Countries | 0 | - | 4.98 | 156,453 |
| United States Map Quiz | 0 | - | 4.98 | 4,158,362 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,023,144 |
| Canada Provinces and Territories | 0 | - | 5.00 | 342,501 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 640,387 |
| North America Map Quiz | 0 | - | 4.98 | 248,482 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,730 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,154 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,956 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,665 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,114 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,477 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,451 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,464 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,024 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,931 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,915 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 148,409 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,509 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,954 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,700 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,173 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,496 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,215 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,507 |
| History of Mexico | 0 | - | 4.58 | 15,309 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,532 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,728 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 219,980 |
| Most Common High School Mascots | 0 | - | 4.47 | 32,128 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,532 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,605 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,219 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,755 |
| South America Map Quiz | 0 | - | 5.00 | 1,549,699 |
| Territories of the United States | 0 | - | 4.80 | 52,392 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,665 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,454 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,188 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,989 |
| New York City Geography | 0 | - | 4.42 | 33,097 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,592 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,757 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,782 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,577 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,797 |
| Native American Tribes in the US | 0 | - | 4.72 | 25,531 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,456 |
| States of Mexico | 0 | - | 4.96 | 176,072 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,902 |
| Word Chain - South America | 0 | - | 4.51 | 23,905 |
| States of Brazil | 0 | - | 4.97 | 88,019 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,693 |
| Famous Caribbean People | 0 | - | 4.37 | 12,618 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 24,035 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,462 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,309 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,714 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,636 |
| 75 Americans Named John | 0 | - | 4.41 | 23,904 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.12 | 41,013 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,656 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.70 | 33,031 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,663 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,194 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,379 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,681 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 90,892 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,846 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,412 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,563 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,970 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 46,907 |
| Ten Most Rectangular U.S. States | 0 | - | 4.54 | 71,390 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,325 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,254 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,111 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.61 | 45,132 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,159 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,215 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 529,516 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,203 |
| Famous People from South America | 0 | - | 4.15 | 21,972 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,124 |
| Which Island in the United States? | 0 | - | 4.29 | 29,512 |
| American Foods | 0 | - | 3.66 | 39,379 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,128 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.95 | 32,255 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.26 | 14,762 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,333 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,898 |
| U.S. Analogies | 0 | - | 4.27 | 19,671 |
| Branches of the U.S. Military | 0 | - | 4.39 | 24,376 |
| Old West History | 0 | - | 4.34 | 15,274 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,519 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,927 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,732 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.45 | 29,695 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,569 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,401 |
| US States with the Most Executions | 0 | - | 4.51 | 26,396 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 29,063 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 48,005 |
| Top 10 Least Happy U.S. States | 0 | - | 4.54 | 24,150 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,711 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,798 |
| 20 Most-Visited Places in Canada | 0 | - | 4.27 | 13,192 |
| Canadian Musical Acts by Two Songs | 0 | - | 4.02 | 28,622 |
| Canada Decoder | 0 | - | 4.12 | 18,718 |
| Name a Valid Answer - United States #2 | 0 | - | 4.16 | 27,338 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 213,396 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 279,145 |
| North America Cities by Map | 0 | - | 4.41 | 47,806 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,585 |
| Three Real and One Fake - U.S. Geography | 0 | - | 4.34 | 29,353 |
| California Multiple Choice | 0 | - | 4.40 | 28,103 |
| San Francisco Trivia | 0 | - | 4.32 | 15,704 |
| San Francisco A-Z | 0 | - | 4.18 | 9,572 |
| Florida Multiple Choice | 0 | - | 4.33 | 10,182 |
| Boston City Trivia | 0 | - | 4.38 | 24,172 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 41,668 |
| Europe Map Quiz | 0 | - | 5.00 | 4,762,782 |
| Africa Map Quiz | 0 | - | 5.00 | 2,117,793 |
| Oceania Map Quiz | 0 | - | 4.98 | 642,259 |
| Australian Capitals | 0 | - | 4.92 | 62,722 |
| Three Real and One Fake - U.S. History | 0 | - | 4.33 | 25,773 |
| U.S. History Multiple Choice #2 | 0 | - | 4.32 | 25,069 |
| U.S. History Multiple Choice #1 | 0 | - | 4.31 | 22,242 |
| U.S. History Multiple Choice #4 | 0 | - | 4.26 | 25,585 |
| Top 10 Most Religious U.S. States | 0 | - | 4.32 | 19,350 |
| U.S. States with the Least Gun Ownership | 0 | - | 4.35 | 25,463 |
| Top 10 US States that Produce the Most Coal | 0 | - | 4.27 | 25,590 |
| U.S. States with Youngest Median Age | 0 | - | 4.32 | 20,602 |
| Top 10 U.S. States by Percent Born in State | 0 | - | 4.25 | 12,338 |
| Top 10 U.S. States by Percent Born out of State | 0 | - | 4.22 | 11,844 |
| U.S. States with the Most Workplace Fatalities | 0 | - | 4.09 | 9,571 |
| U.S. History Multiple Choice #5 | 0 | - | 4.26 | 11,555 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,123 |
| Official European Union Languages | 0 | - | 4.97 | 238,496 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,840 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,176 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,448,197 |
| Asia Map Quiz | 0 | - | 4.99 | 916,710 |
| Countries of Africa | 0 | - | 5.00 | 2,536,825 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,822 |
| African East Coast | 0 | - | 4.96 | 96,060 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,870 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,687 |
| Australia Map Quiz | 0 | - | 4.95 | 344,599 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,269 |
| Pixelated Americas Map | 0 | - | 4.39 | 47,172 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,750 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,345 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,576 |
| USA Tourist Attractions by Description #2 | 0 | - | 4.00 | 21,325 |
| American Inventions #1 | 0 | - | 3.63 | 31,502 |
| American Inventions #2 | 0 | - | 3.93 | 15,864 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,762 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,557 |
| Shrinking U.S. States | 0 | - | 4.38 | 40,343 |
| University of California Campuses | 0 | - | 3.84 | 8,918 |
| Famous Canadians Quiz | 0 | - | 3.94 | 23,410 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,239 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,649 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,958 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,017 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,450 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,984 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,229 |
| The Only European Country ... | 0 | - | 4.91 | 216,605 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,119 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,833 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,965 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,382,890 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,969 |
| Flags of Africa Quiz | 0 | - | 5.00 | 471,224 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,966 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,572 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,227 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,256 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,499 |
| Top African Languages on a Map | 0 | - | 4.92 | 74,034 |
| African Island Countries | 0 | - | 4.96 | 101,629 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,406 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 33,264 |
| Australian States and Territories | 0 | - | 4.96 | 141,961 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,280 |
| Australia True or False | 0 | - | 4.87 | 56,854 |
| Flags of North and South America | 0 | - | 4.99 | 373,054 |
| South American Physical Geography | 0 | - | 4.58 | 18,346 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,706 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,877 |
| European Countries Ending in "IA" | 0 | - | 4.96 | 68,299 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,385 |
| Sahel Countries on a Map | 0 | - | 4.99 | 21,290 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,244,032 |
| Celtic Nations | 0 | - | 4.69 | 46,943 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,328,650 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,654 |
