| United States Map Quiz | 0 | - | 4.98 | 4,174,422 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 114,053 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,995 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 241,046 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 76,116 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 75,327 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,356 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 83,203 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 161,222 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 178,344 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,802 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,893 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,746 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 68,095 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,034,089 |
| Canada Provinces and Territories | 0 | - | 5.00 | 347,425 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 645,689 |
| North America Map Quiz | 0 | - | 4.98 | 253,072 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,701 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 99,235 |
| Central America and Caribbean Map Quiz | 0 | - | 4.90 | 905,652 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 59,041 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 95,361 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 65,408 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 223,326 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,749 |
| Most Common High School Mascots | 0 | - | 4.47 | 32,376 |
| Central American Countries | 0 | - | 4.98 | 157,633 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,725 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 151,260 |
| Territories of the United States | 0 | - | 4.80 | 52,691 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,946 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 176,308 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,618 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 94,522 |
| New York City Geography | 0 | - | 4.43 | 33,210 |
| Native American Tribes in the US | 0 | - | 4.74 | 25,770 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,659 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,485 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,784 |
| 75 Americans Named John | 0 | - | 4.41 | 23,997 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.12 | 41,227 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 100,005 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.74 | 33,282 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,860 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,551 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,547 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,916 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 91,494 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 85,367 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,626 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 83,198 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 60,358 |
| Ten Most Rectangular U.S. States | 0 | - | 4.54 | 71,836 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.62 | 45,303 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,306 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,729 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,106 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 145,032 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,944 |
| South America Map Quiz | 0 | - | 5.00 | 1,559,129 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,227 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,965 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,860 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,216 |
| Which Island in the United States? | 0 | - | 4.29 | 29,854 |
| American Foods | 0 | - | 3.66 | 39,461 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,162 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.95 | 32,355 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.27 | 14,842 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,473 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,999 |
| U.S. Analogies | 0 | - | 4.27 | 19,730 |
| Branches of the U.S. Military | 0 | - | 4.40 | 24,558 |
| Old West History | 0 | - | 4.34 | 15,311 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,540 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 20,001 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,814 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.45 | 29,830 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,754 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,577 |
| US States with the Most Executions | 0 | - | 4.51 | 26,433 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 29,193 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 48,348 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.40 | 47,146 |
| Top 10 Least Happy U.S. States | 0 | - | 4.54 | 24,280 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,847 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,953 |
| Name a Valid Answer - United States #2 | 0 | - | 4.16 | 27,516 |
| US States Quiz | 0 | - | 5.00 | 17,033,340 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,986 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 41,750 |
| American Countries With No Atlantic Coastline | 0 | - | 4.93 | 92,932 |
| History of Mexico | 0 | - | 4.52 | 15,382 |
| Countries of South America with an Empty Map | 0 | - | 4.95 | 105,673 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,636 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,620 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 176,028 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 247,253 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 336,574 |
| Three Real and One Fake - U.S. Geography | 0 | - | 4.34 | 29,484 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,201 |
| California Multiple Choice | 0 | - | 4.40 | 28,208 |
| San Francisco Trivia | 0 | - | 4.32 | 15,745 |
| San Francisco A-Z | 0 | - | 4.18 | 9,595 |
| Florida Multiple Choice | 0 | - | 4.33 | 10,218 |
| Boston City Trivia | 0 | - | 4.38 | 24,219 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,860 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,460 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,430 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,882 |
| Pixelated United States Map | 0 | - | 4.89 | 95,047 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,822 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,664 |
| Three Real and One Fake - U.S. History | 0 | - | 4.33 | 25,864 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,733,366 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 192,097 |
| U.S. History Multiple Choice #2 | 0 | - | 4.33 | 25,146 |
| U.S. History Multiple Choice #1 | 0 | - | 4.29 | 22,313 |
| U.S. History Multiple Choice #4 | 0 | - | 4.24 | 25,688 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 119,253 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 112,499 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,506 |
| U.S. States with Short Names | 0 | - | 4.91 | 150,592 |
| U.S. States that Start with M | 0 | - | 4.94 | 188,663 |
| U.S. States By Population | 0 | - | 4.92 | 154,313 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,439 |
| U.S. States with Longest Names | 0 | - | 4.85 | 45,019 |
| US States with an Empty Map | 0 | - | 5.00 | 629,920 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 89,026 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,621 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 66,258 |
| Top 10 Most Religious U.S. States | 0 | - | 4.32 | 19,457 |
| U.S. States with the Least Gun Ownership | 0 | - | 4.35 | 25,554 |
| Top 10 US States that Produce the Most Coal | 0 | - | 4.30 | 31,247 |
| U.S. States with Youngest Median Age | 0 | - | 4.32 | 20,651 |
| Top 10 U.S. States by Percent Born in State | 0 | - | 4.25 | 12,406 |
| Top 10 U.S. States by Percent Born out of State | 0 | - | 4.22 | 11,893 |
| U.S. States with the Most Workplace Fatalities | 0 | - | 4.09 | 9,603 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,317 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 533,281 |
| U.S. History Multiple Choice #5 | 0 | - | 4.26 | 11,615 |
| USA Tourist Attractions by Description #2 | 0 | - | 4.00 | 21,375 |
| American Inventions #1 | 0 | - | 3.62 | 31,541 |
| American Inventions #2 | 0 | - | 3.93 | 15,907 |
| 10 Longest Rivers in the United States | 0 | - | 4.86 | 39,479 |
| Rivers of the United States | 0 | - | 4.93 | 66,841 |
| American Legal Vocabulary | 0 | - | 4.40 | 34,057 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,467 |
| Countries that Beat the United States | 0 | - | 4.93 | 169,017 |
| Countries Closest to Alaska | 0 | - | 4.93 | 125,390 |
| University of California Campuses | 0 | - | 3.84 | 8,975 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,745 |
| Boston Talk to English Translation Quiz | 0 | - | 4.59 | 56,314 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 511,307 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,501 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,989 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 50,341 |
| Draw All US State Borders | 0 | - | 4.99 | 141,741 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 126,110 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,764 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 93,054 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,624 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 83,142 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,309 |
| 20 Most-Visited Places in Canada | 0 | - | 4.27 | 13,269 |
| Canadian Musical Acts by Two Songs | 0 | - | 4.07 | 28,976 |
| Canada Decoder | 0 | - | 4.07 | 18,786 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 97,482 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 134,692 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 217,639 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 281,148 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,764 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,812 |
| Famous Caribbean People | 0 | - | 4.37 | 12,670 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 24,184 |
| North America Cities by Map | 0 | - | 4.41 | 47,982 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,731 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,875 |
| U.S. Highway Signs By State | 0 | - | 4.47 | 15,607 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 429,021 |
| Hawaiian Islands | 0 | - | 4.83 | 43,046 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,594 |
| U.S. State Flags | 0 | - | 4.88 | 173,697 |
| U.S. States that Border Canada | 0 | - | 4.91 | 187,195 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,577 |
| Europe Map Quiz | 0 | - | 5.00 | 4,795,472 |
| Oceania Map Quiz | 0 | - | 4.98 | 660,852 |
| Australian Capitals | 0 | - | 4.92 | 62,887 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,803 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,818 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,702 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,302 |
| United States Country Quiz | 0 | - | 4.43 | 102,397 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 77,118 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 384,021 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 194,129 |
| Play-Doh Presidents | 0 | - | 5.00 | 82,993 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,559,622 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 222,901 |
