| Deadliest U.S. Wars | 0 | - | 4.89 | 191,306 |
| US States Quiz | 0 | - | 5.00 | 16,927,708 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,369 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,016 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 62,038 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 333,453 |
| 100 Most Influential Figures in U.S. History | 0 | - | 4.20 | 45,141 |
| U.S. History for Dummies | 0 | - | 4.47 | 83,220 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,256 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,753 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,894 |
| US States with an Empty Map | 0 | - | 5.00 | 626,290 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,457 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,587 |
| American Founding Fathers | 0 | - | 4.42 | 23,247 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,514 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,722 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 53,190 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 748,243 |
| Rivers of the United States | 0 | - | 4.93 | 66,385 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,638 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,286 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 209,570 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,704 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,393 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,803 |
| Six Flags Over Texas | 0 | - | 4.78 | 63,465 |
| American History Quotes #1 | 0 | - | 4.37 | 96,118 |
| American History Quotes #2 | 0 | - | 4.38 | 41,452 |
| U.S. History A-Z #1 | 0 | - | 4.36 | 30,216 |
| U.S. States that Border Canada | 0 | - | 4.91 | 185,702 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,260 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,958 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,546,284 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 221,549 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 134,714 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,938 |
| U.S. Geography by Letter - C | 0 | - | 4.27 | 74,334 |
| U.S. Geography by Letter - A | 0 | - | 4.37 | 63,354 |
| U.S. Geography by Letter - D | 0 | - | 4.09 | 57,317 |
| U.S. Geography by Letter - T | 0 | - | 4.29 | 50,053 |
| U.S. Geography by Letter - P | 0 | - | 4.38 | 54,189 |
| U.S. Geography by Letter - M | 0 | - | 4.14 | 53,517 |
| U.S. Geography by Letter - L | 0 | - | 4.04 | 41,366 |
| U.S. Geography by Letter - G | 0 | - | 4.13 | 39,529 |
| U.S. Geography by Letter - R | 0 | - | 4.22 | 36,134 |
| U.S. Geography By Letter - H | 0 | - | 4.35 | 40,407 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,708 |
| U.S. Five-Star Generals and Admirals | 0 | - | 4.33 | 8,342 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,710,694 |
| The American Civil War | 0 | - | 4.62 | 52,510 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,870 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.77 | 63,875 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,749 |
| Names of Generations | 0 | - | 4.09 | 45,246 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 80,049 |
| History of Florida | 0 | - | 4.45 | 9,845 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,407 |
| History of Texas | 0 | - | 4.43 | 14,659 |
| Last Names in U.S. History #1 | 0 | - | 4.25 | 36,283 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.70 | 1,394,366 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,686,207 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,853 |
| United States Map Quiz | 0 | - | 4.98 | 4,164,392 |
| U.S. Geography by Letter - N | 0 | - | 3.80 | 52,966 |
| U.S. Geography by Letter - E | 0 | - | 3.75 | 48,960 |
| U.S. Geography by Letter - F | 0 | - | 3.84 | 45,223 |
| U.S. Geography by Letter - O | 0 | - | 3.52 | 41,700 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 52,276 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,390 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,746 |
| Arms Exports - United States | 0 | - | 4.77 | 62,553 |
| All U.S. Supreme Court Justices | 0 | - | 4.54 | 29,112 |
| U.S. Bill of Rights | 0 | - | 4.53 | 32,560 |
| All U.S. Supreme Court Justices Ever | 0 | - | 4.50 | 11,833 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 427,228 |
| State Quiz - Alaska | 0 | - | 4.42 | 42,156 |
| State Quiz - Arizona | 0 | - | 4.44 | 36,804 |
| California Cities Map Quiz | 0 | - | 4.50 | 88,056 |
| State Quiz - California | 0 | - | 4.69 | 64,578 |
| State Quiz - Florida | 0 | - | 4.47 | 62,450 |
| Florida Cities Map Quiz | 0 | - | 4.48 | 60,939 |
| Countries that Visit Florida the Most | 0 | - | 4.70 | 72,469 |
| State Quiz - Georgia | 0 | - | 4.48 | 35,634 |
| Countries Closest to Hawaii | 0 | - | 4.55 | 53,775 |
| State Quiz - Illinois | 0 | - | 4.44 | 33,449 |
| State Quiz - Kentucky | 0 | - | 4.42 | 32,536 |
| State Quiz - Minnesota | 0 | - | 4.41 | 38,872 |
| New York Cities Map Quiz | 0 | - | 4.55 | 42,276 |
| State Quiz - New York | 0 | - | 4.52 | 46,242 |
| State Quiz - New Jersey | 0 | - | 4.42 | 38,225 |
| State Quiz - Texas | 0 | - | 4.43 | 62,993 |
| State Quiz - Pennsylvania | 0 | - | 4.50 | 49,126 |
| State Quiz - Tennessee | 0 | - | 4.54 | 34,245 |
| State Quiz - Virginia | 0 | - | 4.53 | 40,380 |
| State Quiz - Washington | 0 | - | 4.45 | 36,518 |
| Events in U.S. History | 0 | - | 4.41 | 28,726 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.45 | 52,838 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.75 | 38,494 |
| U.S. States by Clue #1 | 0 | - | 4.51 | 39,236 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 53,006 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,916 |
| U.S. States with More Cows than People | 0 | - | 4.74 | 47,816 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.52 | 66,605 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,577 |
| U.S. States with Spanish Names | 0 | - | 4.50 | 88,020 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.43 | 32,521 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 77,182 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 35,086 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 49,129 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,858 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,962 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,592 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,684 |
| Tourist Attractions by U.S. State | 0 | - | 4.46 | 62,643 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,365 |
| U.S. States with the Fewest Borders | 0 | - | 4.78 | 114,009 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,331 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,823 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,307 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 382,447 |
| Famous People from California by Picture | 0 | - | 4.32 | 36,548 |
| California Groups of Things | 0 | - | 4.25 | 45,543 |
| California Cities A-Z | 0 | - | 4.06 | 17,324 |
| History of California | 0 | - | 4.40 | 18,770 |
| History of Georgia (U.S. State) | 0 | - | 4.30 | 13,241 |
| Hawaiian Islands Map Quiz | 0 | - | 4.78 | 22,295 |
| History of Illinois | 0 | - | 4.24 | 11,238 |
| History of Maryland | 0 | - | 4.06 | 6,705 |
| History of Massachusetts | 0 | - | 4.14 | 8,407 |
| History of Michigan | 0 | - | 4.26 | 6,962 |
| New York Groups of Things | 0 | - | 4.35 | 64,520 |
| History of New York | 0 | - | 4.36 | 16,383 |
| History of New Jersey | 0 | - | 4.38 | 7,286 |
| Texas A-Z | 0 | - | 4.19 | 16,396 |
| History of Ohio | 0 | - | 4.14 | 7,361 |
| History of Tennessee | 0 | - | 4.29 | 7,675 |
| History of Washington State | 0 | - | 4.27 | 6,889 |
| Last Names in U.S. History #2 | 0 | - | 4.39 | 17,650 |
| U.S. States with the Most Billionaires | 0 | - | 4.51 | 50,466 |
| U.S. States With Palm Trees | 0 | - | 4.52 | 45,848 |
| Top U.S. States in Crude Oil Production | 0 | - | 4.51 | 41,107 |
| U.S. States by Emoji | 0 | - | 4.48 | 101,107 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 39,394 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.48 | 37,138 |
| Least Visited U.S. States by JetPunkers | 0 | - | 4.44 | 70,779 |
| Top 10 Richest U.S. States by Median Income | 0 | - | 4.47 | 119,188 |
| U.S. State Shapes Quiz #1 | 0 | - | 4.74 | 153,194 |
| U.S. State Shapes Quiz #2 | 0 | - | 4.80 | 102,190 |
| U.S. States that Start with N - Shape Quiz | 0 | - | 4.67 | 48,722 |
| Famous Canadians by Picture | 0 | - | 4.39 | 49,423 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,732 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,642 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,651 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 192,716 |
| Free in the Answers | 0 | - | 4.08 | 51,639 |
| Movies Set in Chicago | 0 | - | 4.46 | 28,210 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,470 |
| Michigan Cities Map Quiz | 0 | - | 4.45 | 21,114 |
| Who Did that Motown Song? | 0 | - | 4.48 | 13,063 |
| Movies Set in Las Vegas | 0 | - | 4.13 | 32,151 |
| Texas Cities Map Quiz | 0 | - | 4.38 | 81,581 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,063 |
| Washington Cities Map Quiz | 0 | - | 4.48 | 24,085 |
| Washington D.C. Landmarks on a Map | 0 | - | 4.60 | 18,439 |
| Regions of U.S. States | 0 | - | 4.37 | 44,006 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,402 |
| Top 10 U.S. States with the Longest Coastline | 0 | - | 4.45 | 50,868 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,901 |
| Movies by State | 0 | - | 4.27 | 40,574 |
| U.S. States with the Fewest Traffic Fatalities | 0 | - | 4.20 | 21,170 |
| U.S. States with the Most Traffic Fatalities | 0 | - | 4.10 | 19,173 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,024 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,440 |
| Monarchies of Europe | 0 | - | 4.90 | 98,409 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 87,303 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,815 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,391 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,398 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,752 |
| Monarchies of Asia | 0 | - | 4.97 | 71,270 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,058 |
| Battle to Country | 0 | - | 4.91 | 53,582 |
| U.S States with the Most Cows | 0 | - | 4.63 | 29,871 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 84,561 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,437 |
| U.S. Geography by Letter - W | 0 | - | 3.86 | 23,612 |
| Mexico Country Quiz | 0 | - | 4.49 | 72,548 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,827 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,611 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,557 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,157 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,615 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,941 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,954 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 83,342 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,101 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,032 |
| Pixelated United States Map | 0 | - | 4.88 | 94,505 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,013 |
