| United States Map Quiz | 0 | - | 4.98 | 4,167,567 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,916 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,763 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,587 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,798 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 74,763 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,169 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,941 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 160,505 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 178,070 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,563 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,756 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,552 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,889 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,028,808 |
| North America Map Quiz | 0 | - | 4.98 | 250,619 |
| Canada Provinces and Territories | 0 | - | 5.00 | 345,101 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 643,092 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,454 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,921 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 904,159 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 221,761 |
| Most Common High School Mascots | 0 | - | 4.47 | 32,254 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,591 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 95,021 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,680 |
| Central American Countries | 0 | - | 4.98 | 157,106 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,142 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 149,794 |
| Territories of the United States | 0 | - | 4.80 | 52,553 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,821 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,937 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,403 |
| Name a Valid Answer - United States #1 | 0 | - | 4.62 | 94,280 |
| New York City Geography | 0 | - | 4.43 | 33,164 |
| Native American Tribes in the US | 0 | - | 4.74 | 25,677 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,580 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,411 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,753 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,702 |
| 75 Americans Named John | 0 | - | 4.41 | 23,955 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.12 | 41,135 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,853 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.74 | 33,175 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,794 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,381 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,467 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,811 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 91,235 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 85,160 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,533 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,924 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 60,189 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 47,041 |
| Ten Most Rectangular U.S. States | 0 | - | 4.54 | 71,653 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,649 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,858 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,629 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,386 |
| South America Map Quiz | 0 | - | 5.00 | 1,554,019 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,172 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.61 | 45,226 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,240 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,807 |
| Name a Valid Answer - United States #2 | 0 | - | 4.16 | 27,425 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,475 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,175 |
| Which Island in the United States? | 0 | - | 4.29 | 29,701 |
| American Foods | 0 | - | 3.66 | 39,425 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,142 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.95 | 32,320 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.27 | 14,802 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,405 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,959 |
| U.S. Analogies | 0 | - | 4.27 | 19,711 |
| Branches of the U.S. Military | 0 | - | 4.40 | 24,467 |
| Old West History | 0 | - | 4.34 | 15,292 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,530 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,972 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,767 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.45 | 29,764 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,670 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,491 |
| US States with the Most Executions | 0 | - | 4.51 | 26,419 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 29,135 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 48,194 |
| Top 10 Least Happy U.S. States | 0 | - | 4.54 | 24,213 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,780 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,867 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,686 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 105,312 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,329 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,146 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,272 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,751 |
| Three Real and One Fake - U.S. Geography | 0 | - | 4.34 | 29,423 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,045 |
| California Multiple Choice | 0 | - | 4.40 | 28,155 |
| San Francisco Trivia | 0 | - | 4.32 | 15,719 |
| San Francisco A-Z | 0 | - | 4.18 | 9,583 |
| Florida Multiple Choice | 0 | - | 4.33 | 10,196 |
| Boston City Trivia | 0 | - | 4.38 | 24,191 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,591 |
| US States Quiz | 0 | - | 5.00 | 16,960,639 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,230 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 41,717 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,337 |
| History of Mexico | 0 | - | 4.52 | 15,354 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 334,473 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,400 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 531,681 |
| U.S. History Multiple Choice #5 | 0 | - | 4.26 | 11,585 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,814 |
| USA Tourist Attractions by Description #2 | 0 | - | 4.00 | 21,352 |
| American Inventions #1 | 0 | - | 3.62 | 31,525 |
| American Inventions #2 | 0 | - | 3.93 | 15,883 |
| Pixelated United States Map | 0 | - | 4.88 | 94,648 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,257 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,236 |
| Three Real and One Fake - U.S. History | 0 | - | 4.33 | 25,819 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,718,403 |
| University of California Campuses | 0 | - | 3.84 | 8,938 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,560 |
| U.S. History Multiple Choice #2 | 0 | - | 4.32 | 25,112 |
| U.S. History Multiple Choice #1 | 0 | - | 4.29 | 22,277 |
| U.S. History Multiple Choice #4 | 0 | - | 4.24 | 25,650 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,784 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 112,001 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,015 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,659 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,017 |
| U.S. States By Population | 0 | - | 4.92 | 153,960 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,986 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,756 |
| US States with an Empty Map | 0 | - | 5.00 | 627,432 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,707 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,441 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,952 |
| Top 10 Most Religious U.S. States | 0 | - | 4.32 | 19,405 |
| U.S. States with the Least Gun Ownership | 0 | - | 4.35 | 25,516 |
| Top 10 US States that Produce the Most Coal | 0 | - | 4.30 | 31,143 |
| U.S. States with Youngest Median Age | 0 | - | 4.32 | 20,622 |
| Top 10 U.S. States by Percent Born in State | 0 | - | 4.25 | 12,377 |
| Top 10 U.S. States by Percent Born out of State | 0 | - | 4.22 | 11,874 |
| U.S. States with the Most Workplace Fatalities | 0 | - | 4.09 | 9,586 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,270 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,330 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,967 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,312 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 509,081 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,104 |
| Draw All US State Borders | 0 | - | 4.99 | 139,818 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,275 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,912 |
| 20 Most-Visited Places in Canada | 0 | - | 4.27 | 13,234 |
| Canadian Musical Acts by Two Songs | 0 | - | 4.07 | 28,815 |
| Canada Decoder | 0 | - | 4.07 | 18,754 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,771 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,887 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 215,863 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,280 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,020 |
| Australian Capitals | 0 | - | 4.92 | 62,804 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,747 |
| Famous Caribbean People | 0 | - | 4.37 | 12,649 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 24,118 |
| North America Cities by Map | 0 | - | 4.41 | 47,899 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,662 |
| Rivers of the United States | 0 | - | 4.93 | 66,536 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,542 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,552 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,895 |
| Hawaiian Islands | 0 | - | 4.83 | 42,853 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,456 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,460 |
| U.S. State Flags | 0 | - | 4.89 | 172,142 |
| U.S. States that Border Canada | 0 | - | 4.91 | 186,178 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,112 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,941 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,679 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,297 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,641 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,132 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,351 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,564 |
| Official European Union Languages | 0 | - | 4.97 | 239,412 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,433 |
| Europe Map Quiz | 0 | - | 5.00 | 4,780,285 |
| Oceania Map Quiz | 0 | - | 4.98 | 657,808 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,788 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,667 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,643 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,260 |
| United States Country Quiz | 0 | - | 4.43 | 101,994 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 77,021 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 427,932 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 383,101 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,551,638 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 222,018 |
| Category Elimination - U.S. States #2 | 0 | - | 4.83 | 135,266 |
