| Deadliest U.S. Wars | 0 | - | 4.89 | 190,144 |
| US States Quiz | 0 | - | 5.00 | 16,795,317 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,623 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 330,208 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,007 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,941 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,190 |
| US States with an Empty Map | 0 | - | 5.00 | 621,859 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,480 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,635 |
| People on Money - United States | 0 | - | 4.31 | 63,286 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,356 |
| Rivers of the United States | 0 | - | 4.93 | 65,902 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,903 |
| Countries Closest to Maine | 0 | - | 4.85 | 66,825 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 208,027 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,075 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,301 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,176 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,738 |
| Six Flags Over Texas | 0 | - | 4.78 | 63,204 |
| U.S. History for Dummies | 0 | - | 4.47 | 82,806 |
| U.S. States that Border Canada | 0 | - | 4.91 | 183,892 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,262 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,919 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,629 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,133 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,880 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 242,573 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,723 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 65,958 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,529,401 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 219,839 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 133,491 |
| Pixelated United States Map | 0 | - | 4.89 | 93,892 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,104 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,344 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,678,606 |
| American Founding Fathers | 0 | - | 4.42 | 23,153 |
| 100 Most Influential Figures in U.S. History | 0 | - | 4.20 | 44,901 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,447 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,000 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,008 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,478 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,695 |
| U.S. States By Population | 0 | - | 4.92 | 152,856 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,987 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,220 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,017 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,025 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 65,339 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,006 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,489 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 745,509 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,268 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,872 |
| History of Florida | 0 | - | 4.45 | 9,798 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,262 |
| History of Texas | 0 | - | 4.43 | 14,588 |
| American History Quotes #1 | 0 | - | 4.37 | 95,887 |
| American History Quotes #2 | 0 | - | 4.38 | 41,333 |
| Last Names in U.S. History #1 | 0 | - | 4.25 | 36,183 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,386,602 |
| US States by Borders in 30 Seconds | 0 | - | 4.67 | 2,673,545 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,467 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,241 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,654 |
| United States Map Quiz | 0 | - | 4.98 | 4,149,701 |
| Events in U.S. History | 0 | - | 4.40 | 28,586 |
| Flags of North and South America | 0 | - | 4.99 | 370,744 |
| U.S. Five-Star Generals and Admirals | 0 | - | 4.33 | 8,319 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.51 | 41,785 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,526 |
| Arms Exports - United States | 0 | - | 4.75 | 62,085 |
| All U.S. Supreme Court Justices | 0 | - | 4.54 | 29,029 |
| U.S. Bill of Rights | 0 | - | 4.53 | 32,478 |
| All U.S. Supreme Court Justices Ever | 0 | - | 4.49 | 11,723 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 425,283 |
| State Quiz - Alaska | 0 | - | 4.42 | 41,937 |
| State Quiz - Arizona | 0 | - | 4.44 | 36,623 |
| California Cities Map Quiz | 0 | - | 4.50 | 87,815 |
| State Quiz - California | 0 | - | 4.68 | 64,226 |
| State Quiz - Florida | 0 | - | 4.47 | 62,165 |
| Florida Cities Map Quiz | 0 | - | 4.48 | 60,783 |
| Countries that Visit Florida the Most | 0 | - | 4.70 | 71,932 |
| State Quiz - Georgia | 0 | - | 4.48 | 35,457 |
| Countries Closest to Hawaii | 0 | - | 4.54 | 53,459 |
| State Quiz - Illinois | 0 | - | 4.44 | 33,277 |
| State Quiz - Kentucky | 0 | - | 4.41 | 32,367 |
| State Quiz - Minnesota | 0 | - | 4.41 | 38,694 |
| New York Cities Map Quiz | 0 | - | 4.54 | 42,154 |
| State Quiz - New York | 0 | - | 4.52 | 45,950 |
| State Quiz - New Jersey | 0 | - | 4.42 | 38,040 |
| State Quiz - Texas | 0 | - | 4.43 | 62,715 |
| State Quiz - Pennsylvania | 0 | - | 4.50 | 48,853 |
| State Quiz - Tennessee | 0 | - | 4.54 | 34,060 |
| State Quiz - Virginia | 0 | - | 4.52 | 40,191 |
| State Quiz - Washington | 0 | - | 4.45 | 36,316 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,059 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.45 | 52,749 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.74 | 38,409 |
| U.S. States by Clue #1 | 0 | - | 4.51 | 38,875 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,796 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,637 |
| U.S. States with More Cows than People | 0 | - | 4.74 | 47,435 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.51 | 66,381 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 53,735 |
| U.S. States with Spanish Names | 0 | - | 4.50 | 87,644 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 32,459 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 76,788 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 34,988 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 48,886 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,716 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,622 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,415 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,560 |
| Tourist Attractions by U.S. State | 0 | - | 4.46 | 62,529 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,628 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,207 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.77 | 63,598 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,639 |
| U.S. States with the Fewest Borders | 0 | - | 4.77 | 113,295 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,269 |
| Native American Words | 0 | - | 4.26 | 24,741 |
| U.S. Geography by Letter - C | 0 | - | 4.27 | 73,766 |
| U.S. Geography by Letter - A | 0 | - | 4.37 | 62,737 |
| U.S. Geography by Letter - D | 0 | - | 4.08 | 56,734 |
| U.S. Geography by Letter - T | 0 | - | 4.29 | 49,408 |
| U.S. Geography by Letter - P | 0 | - | 4.36 | 47,851 |
| U.S. Geography by Letter - M | 0 | - | 4.14 | 52,969 |
| U.S. Geography by Letter - L | 0 | - | 4.04 | 40,830 |
| U.S. Geography by Letter - G | 0 | - | 4.13 | 38,963 |
| U.S. Geography By Letter - H | 0 | - | 4.35 | 39,777 |
| Dominica Country Quiz | 0 | - | 4.81 | 19,763 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,577 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 380,551 |
| Famous People from California by Picture | 0 | - | 4.32 | 36,312 |
| California Groups of Things | 0 | - | 4.25 | 45,346 |
| History of California | 0 | - | 4.40 | 18,729 |
| History of Georgia (U.S. State) | 0 | - | 4.30 | 13,199 |
| Hawaiian Islands Map Quiz | 0 | - | 4.78 | 22,229 |
| History of Illinois | 0 | - | 4.24 | 11,202 |
| History of Maryland | 0 | - | 4.06 | 6,674 |
| History of Massachusetts | 0 | - | 4.14 | 8,367 |
| History of Michigan | 0 | - | 4.26 | 6,927 |
| New York Groups of Things | 0 | - | 4.38 | 60,036 |
| History of New York | 0 | - | 4.36 | 16,322 |
| History of New Jersey | 0 | - | 4.38 | 7,234 |
| History of Ohio | 0 | - | 4.14 | 7,324 |
| History of Tennessee | 0 | - | 4.29 | 7,646 |
| History of Washington State | 0 | - | 4.27 | 6,858 |
| U.S. History A-Z #1 | 0 | - | 4.36 | 29,837 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,695 |
| Last Names in U.S. History #2 | 0 | - | 4.39 | 17,570 |
| U.S. States with the Most Billionaires | 0 | - | 4.51 | 50,255 |
| U.S. States With Palm Trees | 0 | - | 4.52 | 45,721 |
| Top U.S. States in Crude Oil Production | 0 | - | 4.51 | 41,047 |
| U.S. States by Emoji | 0 | - | 4.48 | 100,543 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 39,282 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.47 | 37,041 |
| Least Visited U.S. States by JetPunkers | 0 | - | 4.44 | 70,489 |
| Top 10 Richest U.S. States by Median Income | 0 | - | 4.47 | 118,732 |
| U.S. State Shapes Quiz #1 | 0 | - | 4.74 | 152,747 |
| U.S. State Shapes Quiz #2 | 0 | - | 4.80 | 101,949 |
| U.S. States that Start with N - Shape Quiz | 0 | - | 4.67 | 48,552 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,481 |
| The Only American Country ... | 0 | - | 4.92 | 121,236 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,790 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,255 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,414 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,939 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,530 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,222 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,143 |
| United States Country Quiz | 0 | - | 4.43 | 101,131 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,773 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 190,892 |
| Free in the Answers | 0 | - | 4.08 | 51,383 |
| Movies Set in Chicago | 0 | - | 4.46 | 28,177 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,543 |
| Michigan Cities Map Quiz | 0 | - | 4.45 | 21,006 |
| Who Did that Motown Song? | 0 | - | 4.48 | 13,039 |
| Movies Set in Las Vegas | 0 | - | 4.13 | 32,123 |
| Texas Cities Map Quiz | 0 | - | 4.38 | 81,410 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,726 |
| Washington Cities Map Quiz | 0 | - | 4.48 | 24,052 |
| Washington D.C. Landmarks on a Map | 0 | - | 4.60 | 18,337 |
| Old West History | 0 | - | 4.33 | 15,247 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,511 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,897 |
| Regions of U.S. States | 0 | - | 4.37 | 43,692 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,360 |
| Top 10 U.S. States with the Longest Coastline | 0 | - | 4.45 | 50,770 |
| Movies by State | 0 | - | 4.27 | 40,507 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,638 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,946 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,067 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,561 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,826 |
| U.S States with the Most Cows | 0 | - | 4.63 | 29,682 |
