| Deadliest U.S. Wars | 0 | - | 4.89 | 191,462 |
| U.S. History for Dummies | 0 | - | 4.47 | 83,278 |
| US States Quiz | 0 | - | 5.00 | 16,947,166 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 334,056 |
| American History Quotes #1 | 0 | - | 4.37 | 96,137 |
| American History Quotes #2 | 0 | - | 4.38 | 41,468 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,302 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,885 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,004 |
| US States with an Empty Map | 0 | - | 5.00 | 626,953 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,634 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,764 |
| American Founding Fathers | 0 | - | 4.42 | 23,252 |
| California Groups of Things | 0 | - | 4.26 | 45,678 |
| New York Groups of Things | 0 | - | 4.39 | 71,000 |
| People on Money - United States | 0 | - | 4.31 | 63,397 |
| 100 Most Influential Figures in U.S. History | 0 | - | 4.20 | 45,157 |
| Rivers of the United States | 0 | - | 4.93 | 66,457 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,810 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,396 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 209,810 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,853 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,497 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,151 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,531 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 62,086 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,888 |
| Names of Generations | 0 | - | 4.09 | 45,320 |
| Six Flags Over Texas | 0 | - | 4.78 | 63,514 |
| Last Names in U.S. History #1 | 0 | - | 4.25 | 36,300 |
| U.S. States that Border Canada | 0 | - | 4.91 | 185,980 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,315 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,138 |
| Fifty US States in One Minute | 0 | - | 4.62 | 3,549,019 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 221,803 |
| Category Elimination - U.S. States #2 | 0 | - | 4.83 | 134,941 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,009 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,747 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,715,304 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,783 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 53,225 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 748,716 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,153 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 80,080 |
| History of Florida | 0 | - | 4.45 | 9,858 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,470 |
| History of Texas | 0 | - | 4.43 | 14,670 |
| U.S. History A-Z #1 | 0 | - | 4.36 | 30,246 |
| Last Names in U.S. History #2 | 0 | - | 4.39 | 17,667 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.70 | 1,395,858 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,688,389 |
| Movies by State | 0 | - | 4.27 | 40,585 |
| United States Map Quiz | 0 | - | 4.98 | 4,166,267 |
| Most Valuable Crops by U.S. State | 0 | - | 4.40 | 39,164 |
| U.S. Five-Star Generals and Admirals | 0 | - | 4.33 | 8,347 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 52,537 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,777 |
| Arms Exports - United States | 0 | - | 4.77 | 62,609 |
| All U.S. Supreme Court Justices | 0 | - | 4.54 | 29,125 |
| U.S. Bill of Rights | 0 | - | 4.53 | 32,572 |
| All U.S. Supreme Court Justices Ever | 0 | - | 4.50 | 11,843 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 427,692 |
| State Quiz - Alaska | 0 | - | 4.42 | 42,193 |
| State Quiz - Arizona | 0 | - | 4.44 | 36,826 |
| California Cities Map Quiz | 0 | - | 4.50 | 88,103 |
| State Quiz - California | 0 | - | 4.69 | 64,636 |
| State Quiz - Florida | 0 | - | 4.47 | 62,487 |
| Florida Cities Map Quiz | 0 | - | 4.48 | 60,958 |
| Countries that Visit Florida the Most | 0 | - | 4.70 | 72,548 |
| State Quiz - Georgia | 0 | - | 4.48 | 35,671 |
| Countries Closest to Hawaii | 0 | - | 4.55 | 53,846 |
| State Quiz - Illinois | 0 | - | 4.44 | 33,478 |
| State Quiz - Kentucky | 0 | - | 4.42 | 32,561 |
| State Quiz - Minnesota | 0 | - | 4.41 | 38,900 |
| New York Cities Map Quiz | 0 | - | 4.55 | 42,301 |
| State Quiz - New York | 0 | - | 4.52 | 46,286 |
| State Quiz - New Jersey | 0 | - | 4.42 | 38,262 |
| State Quiz - Texas | 0 | - | 4.43 | 63,051 |
| State Quiz - Pennsylvania | 0 | - | 4.50 | 49,185 |
| State Quiz - Tennessee | 0 | - | 4.54 | 34,283 |
| State Quiz - Virginia | 0 | - | 4.53 | 40,416 |
| State Quiz - Washington | 0 | - | 4.45 | 36,554 |
| Events in U.S. History | 0 | - | 4.41 | 28,763 |
| The American Civil War | 0 | - | 4.62 | 52,552 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.45 | 52,867 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.75 | 38,519 |
| U.S. States by Clue #1 | 0 | - | 4.51 | 39,299 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 53,045 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,957 |
| U.S. States with More Cows than People | 0 | - | 4.74 | 47,837 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.52 | 66,648 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,660 |
| U.S. States with Spanish Names | 0 | - | 4.50 | 88,090 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.43 | 32,533 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 77,237 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 35,095 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 49,184 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,886 |
| Longest U.S. State Borders | 0 | - | 4.67 | 40,013 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,613 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,701 |
| Tourist Attractions by U.S. State | 0 | - | 4.46 | 62,662 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,907 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,380 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.77 | 63,926 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,776 |
| U.S. States with the Fewest Borders | 0 | - | 4.78 | 114,064 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,337 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,332,712 |
| U.S. Geography by Letter - C | 0 | - | 4.27 | 74,381 |
| U.S. Geography by Letter - A | 0 | - | 4.37 | 63,407 |
| U.S. Geography by Letter - D | 0 | - | 4.09 | 57,363 |
| U.S. Geography by Letter - T | 0 | - | 4.29 | 50,102 |
| U.S. Geography by Letter - P | 0 | - | 4.38 | 54,261 |
| U.S. Geography by Letter - M | 0 | - | 4.14 | 53,544 |
| U.S. Geography by Letter - L | 0 | - | 4.04 | 41,409 |
| U.S. Geography by Letter - G | 0 | - | 4.13 | 39,572 |
| U.S. Geography by Letter - R | 0 | - | 4.22 | 36,588 |
| U.S. Geography By Letter - H | 0 | - | 4.35 | 40,468 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,888 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 382,904 |
| Famous People from California by Picture | 0 | - | 4.32 | 36,609 |
| Fictional Characters from California by Picture | 0 | - | 4.23 | 22,555 |
| History of California | 0 | - | 4.40 | 18,778 |
| History of Georgia (U.S. State) | 0 | - | 4.30 | 13,247 |
| Hawaiian Islands Map Quiz | 0 | - | 4.78 | 22,302 |
| History of Illinois | 0 | - | 4.24 | 11,243 |
| History of Maryland | 0 | - | 4.06 | 6,715 |
| History of Massachusetts | 0 | - | 4.14 | 8,413 |
| History of Michigan | 0 | - | 4.26 | 6,968 |
| Fictional Characters from New York | 0 | - | 4.09 | 21,431 |
| History of New York | 0 | - | 4.36 | 16,393 |
| History of New Jersey | 0 | - | 4.38 | 7,295 |
| History of Ohio | 0 | - | 4.14 | 7,367 |
| History of Tennessee | 0 | - | 4.29 | 7,678 |
| History of Washington State | 0 | - | 4.27 | 6,893 |
| U.S. States with the Most Billionaires | 0 | - | 4.51 | 50,499 |
| U.S. States With Palm Trees | 0 | - | 4.52 | 45,876 |
| Top U.S. States in Crude Oil Production | 0 | - | 4.51 | 41,119 |
| U.S. States by Emoji | 0 | - | 4.48 | 101,177 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 39,416 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.48 | 37,150 |
| Least Visited U.S. States by JetPunkers | 0 | - | 4.44 | 70,833 |
| Musical Acts by State | 0 | - | 4.05 | 19,604 |
| Top 10 Richest U.S. States by Median Income | 0 | - | 4.47 | 119,221 |
| U.S. State Shapes Quiz #1 | 0 | - | 4.74 | 153,252 |
| U.S. State Shapes Quiz #2 | 0 | - | 4.80 | 102,225 |
| U.S. States that Start with N - Shape Quiz | 0 | - | 4.67 | 48,761 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,946 |
| Famous Italian-Americans | 0 | - | 4.15 | 14,540 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,432 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,715 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,646 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,496 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,744 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 193,117 |
| Free in the Answers | 0 | - | 4.08 | 51,656 |
| States that Beat Alaska | 0 | - | 4.49 | 26,562 |
| Movies Set in Chicago | 0 | - | 4.46 | 28,217 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,654 |
| Michigan Cities Map Quiz | 0 | - | 4.45 | 21,125 |
| Who Did that Motown Song? | 0 | - | 4.48 | 13,066 |
| Movies Set in Las Vegas | 0 | - | 4.13 | 32,161 |
| Texas Cities Map Quiz | 0 | - | 4.38 | 81,604 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,133 |
| Washington Cities Map Quiz | 0 | - | 4.48 | 24,095 |
| Washington D.C. Landmarks on a Map | 0 | - | 4.60 | 18,456 |
| Regions of U.S. States | 0 | - | 4.37 | 44,066 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,404 |
| Top 10 U.S. States with the Longest Coastline | 0 | - | 4.45 | 50,882 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,073 |
| People by U.S. State - Multiple Choice | 0 | - | 4.06 | 9,846 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,975 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,515 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,779 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,464 |
| U.S States with the Most Cows | 0 | - | 4.63 | 29,897 |
| U.S. Geography by Letter - N | 0 | - | 3.80 | 52,992 |
| U.S. Geography by Letter - E | 0 | - | 3.75 | 48,994 |
| U.S. Geography by Letter - F | 0 | - | 3.84 | 45,264 |
| U.S. Geography by Letter - O | 0 | - | 3.52 | 41,736 |
| Mexico Country Quiz | 0 | - | 4.49 | 72,605 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,783 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,877 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,727 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,667 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,258 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,758 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,057 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 83,735 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,212 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,447 |
| Random U.S. City to State | 0 | - | 4.45 | 76,681 |
| Pixelated United States Map | 0 | - | 4.88 | 94,600 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,157 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,157 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,757 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 69,311 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,003 |
| U.S. Political Figures by Picture #1 | 0 | - | 4.14 | 26,194 |
