| United States Map Quiz | 0 | - | 4.98 | 3,932,565 |
| Third Most Common Language by U.S. State | 0 | - | 4.90 | 108,163 |
| U.S. State Border Crossings | 0 | - | 4.96 | 82,965 |
| U.S. Citizenship Test Questions | 0 | - | 4.86 | 224,194 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 66,424 |
| Cities and Towns of Massachusetts | 0 | - | 4.90 | 62,158 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.85 | 22,457 |
| 10 Northernmost U.S. States | 0 | - | 4.89 | 74,709 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 146,766 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 168,750 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.85 | 99,789 |
| Top 10 Least Obese U.S. States | 0 | - | 4.81 | 69,312 |
| Countries of North America Quiz | 0 | - | 5.00 | 896,551 |
| North America Map Quiz | 0 | - | 4.98 | 203,835 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 590,950 |
| Canada Geography Trivia | 0 | - | 4.81 | 45,244 |
| Most Spoken Languages in Canada | 0 | - | 4.84 | 47,975 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 91,311 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 858,977 |
| Most-Spoken Languages of the United States | 0 | - | 4.45 | 165,613 |
| North American Capitals - Map Quiz | 0 | - | 4.89 | 48,274 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 86,752 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.98 | 49,386 |
| Canada Provinces and Territories | 0 | - | 4.99 | 293,793 |
| Central American Countries | 0 | - | 4.98 | 141,265 |
| Caribbean Countries and Territories | 0 | - | 4.83 | 105,616 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 118,083 |
| Territories of the United States | 0 | - | 4.76 | 48,985 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 34,622 |
| Most Mentioned Enemies of the USA | 0 | - | 4.79 | 161,944 |
| Top U.S. Cash Crops | 0 | - | 4.41 | 59,414 |
| Major non-NATO U.S. Allies | 0 | - | 4.43 | 33,925 |
| Name a Valid Answer - United States #1 | 0 | - | 4.65 | 87,346 |
| Most Common High School Mascots | 0 | - | 4.42 | 28,545 |
| Native American Tribes in the US | 0 | - | 4.65 | 23,252 |
| Pixelated United States Map | 0 | - | 4.90 | 83,717 |
| American Countries on the Pacific Coast | 0 | - | 4.81 | 46,735 |
| U.S. Federal Holidays | 0 | - | 4.29 | 96,352 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.46 | 13,895 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.17 | 50,488 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.09 | 37,980 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.47 | 94,333 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.79 | 56,700 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 61,796 |
| Top 10 Newest U.S. States | 0 | - | 4.79 | 68,615 |
| Top 10 Most Asian U.S. States | 0 | - | 4.79 | 62,200 |
| Top 10 Most Obese U.S. States | 0 | - | 4.52 | 78,691 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.51 | 65,184 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.45 | 48,853 |
| Top 10 Most White U.S. States | 0 | - | 4.53 | 56,412 |
| Top 10 Most German U.S. States | 0 | - | 4.50 | 42,595 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.44 | 37,793 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.65 | 42,533 |
| Ten Most Rectangular U.S. States | 0 | - | 4.51 | 57,137 |
| Flags of Asia Quiz | 0 | - | 4.99 | 534,383 |
| Flags of Africa Quiz | 0 | - | 4.99 | 395,884 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 107,847 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 134,124 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 109,011 |
| South America Map Quiz | 0 | - | 5.00 | 1,436,229 |
| Embarrassing Chapters in US History | 0 | - | 4.15 | 31,668 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.75 | 42,799 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 34,241 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,065,542 |
| Pixelated Americas Map | 0 | - | 4.42 | 42,713 |
| Canada Immigration by Country | 0 | - | 4.51 | 57,907 |
| Pixelated Asia Map | 0 | - | 4.90 | 64,368 |
| Pixelated Africa Map | 0 | - | 4.98 | 89,458 |
| Flags of Oceania | 0 | - | 5.00 | 220,359 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 315,718 |
| North America Capitals Quiz | 0 | - | 4.99 | 190,317 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.11 | 26,162 |
| American Islands | 0 | - | 4.16 | 15,819 |
| American Foods | 0 | - | 3.71 | 38,292 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 5,734 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.19 | 13,773 |
| U.S. Groups of Four Quiz | 0 | - | 4.37 | 23,556 |
| U.S. Groups of Three Quiz | 0 | - | 4.05 | 19,689 |
| 75 Americans Named John | 0 | - | 4.39 | 22,895 |
| U.S. Analogies | 0 | - | 4.22 | 18,935 |
| Branches of the U.S. Military | 0 | - | 4.40 | 21,526 |
| New York City Geography | 0 | - | 4.40 | 23,518 |
| Old West History | 0 | - | 4.29 | 14,827 |
| Life of Benjamin Franklin | 0 | - | 4.20 | 6,254 |
| American Revolution - Multiple Choice | 0 | - | 4.32 | 18,957 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.46 | 27,957 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.72 | 30,277 |
| U.S. States with Oldest Median Age | 0 | - | 4.35 | 31,980 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.30 | 41,424 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.34 | 63,564 |
| US States with the Most Executions | 0 | - | 4.51 | 25,745 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.60 | 27,240 |
| Top 10 Least White U.S. States | 0 | - | 4.19 | 36,880 |
| Top 10 Least Happy U.S. States | 0 | - | 4.55 | 22,539 |
| U.S. Geography True or False #1 | 0 | - | 4.52 | 27,001 |
| U.S. Geography - Multiple Choice | 0 | - | 4.43 | 22,921 |
| Three Band Flags of Europe | 0 | - | 4.97 | 173,177 |
| Pixelated Europe Map | 0 | - | 4.90 | 110,906 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.84 | 55,803 |
| American Countries With No Atlantic Coastline | 0 | - | 4.90 | 73,968 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 95,809 |
| Total United States Immigration by Country | 0 | - | 4.90 | 98,123 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.93 | 149,322 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.94 | 188,912 |
| Three Real and One Fake - U.S. Geography | 0 | - | 4.32 | 27,254 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 68,119 |
| California Multiple Choice | 0 | - | 4.40 | 27,051 |
| San Francisco Trivia | 0 | - | 4.34 | 15,257 |
| San Francisco A-Z | 0 | - | 4.20 | 9,090 |
| Florida Multiple Choice | 0 | - | 4.30 | 9,786 |
| Boston Trivia | 0 | - | 4.37 | 23,506 |
| US States Quiz | 0 | - | 5.00 | 14,988,338 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.97 | 343,268 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 40,416 |
| Flags of the Mediterranean | 0 | - | 4.93 | 125,765 |
| History of Mexico | 0 | - | 4.55 | 14,063 |
| Canadian Geography on the Map | 0 | - | 4.56 | 24,439 |
| European Countries by First 2 Letters | 0 | - | 4.96 | 491,534 |
| U.S. History Multiple Choice #5 | 0 | - | 4.36 | 10,589 |
| Haiti... or Dominican Republic? | 0 | - | 4.71 | 38,595 |
| USA Tourist Attractions by Description #2 | 0 | - | 3.96 | 20,767 |
| American Inventions #1 | 0 | - | 3.64 | 31,063 |
| American Inventions #2 | 0 | - | 3.87 | 15,440 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.85 | 18,748 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 95,248 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 80,258 |
| Three Real and One Fake - U.S. History | 0 | - | 4.31 | 24,466 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,223,697 |
| University of California Campuses | 0 | - | 3.88 | 8,174 |
| Deadliest U.S. Wars | 0 | - | 4.83 | 159,965 |
| U.S. History Multiple Choice #2 | 0 | - | 4.38 | 24,116 |
| U.S. History Multiple Choice #1 | 0 | - | 4.29 | 21,356 |
| U.S. History Multiple Choice #3 | 0 | - | 4.40 | 23,594 |
| U.S. History Multiple Choice #4 | 0 | - | 4.25 | 24,320 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 102,081 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 97,761 |
| 10 Southernmost U.S. States | 0 | - | 4.86 | 100,745 |
| U.S. States with Short Names | 0 | - | 4.87 | 132,005 |
| U.S. States that Start with M | 0 | - | 4.91 | 152,590 |
| U.S. States By Population | 0 | - | 4.90 | 131,424 |
| U.S. States that Start with N | 0 | - | 4.95 | 157,375 |
| U.S. States with Longest Names | 0 | - | 4.84 | 36,801 |
| US States with an Empty Map | 0 | - | 5.00 | 562,419 |
| U.S. States with a Unique First Letter | 0 | - | 4.95 | 78,926 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 58,975 |
| The Only Remaining U.S. State . . . | 0 | - | 4.94 | 57,059 |
| Top 10 Most Religious U.S. States | 0 | - | 4.34 | 17,816 |
| U.S. States with the Least Gun Ownership | 0 | - | 4.33 | 24,402 |
| Top 10 US States that Produce the Most Coal | 0 | - | 4.23 | 21,671 |
| U.S. States with Youngest Median Age | 0 | - | 4.32 | 20,111 |
| Top 10 U.S. States by Percent Born in State | 0 | - | 4.24 | 11,568 |
| Top 10 U.S. States by Percent Born out of State | 0 | - | 4.26 | 11,178 |
| U.S. States with the Most Workplace Fatalities | 0 | - | 4.15 | 8,996 |
| Bahamas Country Quiz | 0 | - | 4.61 | 17,784 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 258,431 |
| African Countries by First 2 Letters | 0 | - | 4.95 | 248,183 |
| 10 Longest Rivers in the United States | 0 | - | 4.82 | 35,435 |
| U.S. Cities by Picture #1 | 0 | - | 4.37 | 32,104 |
| Cities by Picture #2 | 0 | - | 4.22 | 32,747 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.96 | 281,691 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 126,064 |
| Countries that Beat the United States | 0 | - | 4.92 | 148,041 |
| Six Flags Over Texas | 0 | - | 4.84 | 59,385 |
| Word Scramble - U.S. States | 0 | - | 4.96 | 464,220 |
| Louisiana Purchase with a Map | 0 | - | 4.95 | 37,303 |
| Draw All US State Borders | 0 | - | 4.99 | 98,315 |
| U.S. States with the Longest International Borders | 0 | - | 4.81 | 42,372 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 90,948 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 74,435 |
| 20 Most-Visited Places in Canada | 0 | - | 4.20 | 12,277 |
| Canada Decoder | 0 | - | 4.10 | 17,925 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 72,940 |
| U.S. States or European Countries by Population | 0 | - | 4.98 | 117,327 |
| Save Europeans by Guessing Countries | 0 | - | 4.87 | 173,131 |
| Flags of Countries that Border China | 0 | - | 4.93 | 82,726 |
| Random African Flag to Country | 0 | - | 4.88 | 65,662 |
| Australian Capitals | 0 | - | 4.92 | 61,103 |
| Largest Caribbean Islands | 0 | - | 4.01 | 15,530 |
| Famous Caribbean People | 0 | - | 4.36 | 12,170 |
| Saintly Islands of the Caribbean | 0 | - | 4.29 | 22,458 |
| Rivers of the United States | 0 | - | 4.92 | 58,057 |
| U.S. States by Picture #1 | 0 | - | 4.17 | 14,464 |
| Countries Closest to United States A-Z | 0 | - | 4.84 | 108,541 |
| U.S. Highway Signs By State | 0 | - | 4.44 | 14,332 |
| Countries Closest to Alaska | 0 | - | 4.92 | 100,295 |
| Hawaiian Islands | 0 | - | 4.85 | 38,916 |
| Countries Closest to Maine | 0 | - | 4.85 | 59,845 |
| U.S. States that Border Tennessee | 0 | - | 4.84 | 58,076 |
| Washington State by Picture | 0 | - | 4.18 | 7,208 |
| U.S. State Flags | 0 | - | 4.88 | 140,231 |
| U.S. States that Border Canada | 0 | - | 4.90 | 166,957 |
| Name a Valid U.S. State #1 | 0 | - | 4.95 | 187,463 |
| Great Plains States and Provinces on a Map | 0 | - | 4.94 | 39,195 |
| Cartoon Versions of U.S. States | 0 | - | 4.82 | 53,183 |
| Top 10 Coldest U.S. States | 0 | - | 4.91 | 101,791 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 102,284 |
| Top 10 Most Native American U.S. States | 0 | - | 4.84 | 72,550 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 57,493 |
| U.S. State Shapes Quiz #2 | 0 | - | 4.82 | 91,520 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 52,489 |
