| Deadliest U.S. Wars | 0 | - | 4.89 | 191,348 |
| Last Names in U.S. History #1 | 0 | - | 4.25 | 36,290 |
| US States Quiz | 0 | - | 5.00 | 16,931,964 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 209,622 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 333,602 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,858 |
| Six Flags Over Texas | 0 | - | 4.78 | 63,478 |
| American History Quotes #1 | 0 | - | 4.37 | 96,121 |
| American History Quotes #2 | 0 | - | 4.38 | 41,460 |
| U.S. History for Dummies | 0 | - | 4.47 | 83,230 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,546,924 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 221,600 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 134,756 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,264 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,781 |
| Last Names in U.S. History #2 | 0 | - | 4.39 | 17,652 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,910 |
| US States with an Empty Map | 0 | - | 5.00 | 626,431 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,498 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,620 |
| American Founding Fathers | 0 | - | 4.42 | 23,248 |
| 100 Most Influential Figures in U.S. History | 0 | - | 4.20 | 45,144 |
| Rivers of the United States | 0 | - | 4.93 | 66,397 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,691 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,322 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.70 | 1,394,572 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,727 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,396 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,042 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,411 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 62,049 |
| Names of Generations | 0 | - | 4.09 | 45,262 |
| History of Florida | 0 | - | 4.45 | 9,848 |
| History of Texas | 0 | - | 4.43 | 14,662 |
| U.S. States that Border Canada | 0 | - | 4.91 | 185,747 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,278 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,952 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,717 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,625 |
| All U.S. Supreme Court Justices | 0 | - | 4.54 | 29,116 |
| All U.S. Supreme Court Justices Ever | 0 | - | 4.50 | 11,837 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,711,555 |
| People on Money - United States | 0 | - | 4.31 | 63,384 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,526 |
| U.S. States by Clue #1 | 0 | - | 4.51 | 39,243 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 77,191 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 49,131 |
| Tourist Attractions by U.S. State | 0 | - | 4.46 | 62,648 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,739 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 53,199 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 748,329 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,945 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 80,056 |
| Free in the Answers | 0 | - | 4.08 | 51,643 |
| History of California | 0 | - | 4.40 | 18,771 |
| History of Georgia (U.S. State) | 0 | - | 4.30 | 13,242 |
| History of Illinois | 0 | - | 4.24 | 11,241 |
| History of Maryland | 0 | - | 4.06 | 6,706 |
| History of Massachusetts | 0 | - | 4.14 | 8,408 |
| History of Michigan | 0 | - | 4.26 | 6,964 |
| History of New York | 0 | - | 4.36 | 16,384 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,427 |
| History of New Jersey | 0 | - | 4.38 | 7,286 |
| History of Ohio | 0 | - | 4.14 | 7,361 |
| History of Tennessee | 0 | - | 4.29 | 7,675 |
| History of Washington State | 0 | - | 4.27 | 6,890 |
| U.S. History A-Z #1 | 0 | - | 4.36 | 30,222 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,686,629 |
| Movies by State | 0 | - | 4.27 | 40,575 |
| United States Map Quiz | 0 | - | 4.98 | 4,164,732 |
| States that Beat California | 0 | - | 4.54 | 63,730 |
| States that Beat New York | 0 | - | 4.50 | 45,130 |
| States that Beat Texas | 0 | - | 4.58 | 44,419 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 508,238 |
| Most Valuable Crops by U.S. State | 0 | - | 4.40 | 39,156 |
| U.S. Five-Star Generals and Admirals | 0 | - | 4.33 | 8,344 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 52,318 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,750 |
| Arms Exports - United States | 0 | - | 4.77 | 62,562 |
| U.S. Bill of Rights | 0 | - | 4.53 | 32,563 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 427,286 |
| State Quiz - Alaska | 0 | - | 4.42 | 42,158 |
| State Quiz - Arizona | 0 | - | 4.44 | 36,808 |
| California Cities Map Quiz | 0 | - | 4.50 | 88,068 |
| State Quiz - California | 0 | - | 4.69 | 64,591 |
| State Quiz - Florida | 0 | - | 4.47 | 62,456 |
| Florida Cities Map Quiz | 0 | - | 4.48 | 60,941 |
| Countries that Visit Florida the Most | 0 | - | 4.70 | 72,489 |
| State Quiz - Georgia | 0 | - | 4.48 | 35,644 |
| Countries Closest to Hawaii | 0 | - | 4.55 | 53,794 |
| State Quiz - Illinois | 0 | - | 4.44 | 33,453 |
| State Quiz - Kentucky | 0 | - | 4.42 | 32,543 |
| State Quiz - Minnesota | 0 | - | 4.41 | 38,881 |
| New York Cities Map Quiz | 0 | - | 4.55 | 42,276 |
| State Quiz - New York | 0 | - | 4.52 | 46,247 |
| State Quiz - New Jersey | 0 | - | 4.42 | 38,230 |
| State Quiz - Texas | 0 | - | 4.43 | 63,003 |
| State Quiz - Pennsylvania | 0 | - | 4.50 | 49,138 |
| State Quiz - Tennessee | 0 | - | 4.54 | 34,250 |
| State Quiz - Virginia | 0 | - | 4.53 | 40,387 |
| State Quiz - Washington | 0 | - | 4.45 | 36,528 |
| The American Civil War | 0 | - | 4.62 | 52,513 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.45 | 52,846 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.75 | 38,498 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 53,012 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,923 |
| U.S. States with More Cows than People | 0 | - | 4.74 | 47,819 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.52 | 66,613 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,584 |
| U.S. States with Spanish Names | 0 | - | 4.50 | 88,032 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.43 | 32,526 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 35,088 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,867 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,978 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,600 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,690 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,880 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,366 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.77 | 63,890 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,757 |
| U.S. States with the Fewest Borders | 0 | - | 4.78 | 114,019 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,332 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,333 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,331,690 |
| U.S. Geography by Letter - C | 0 | - | 4.27 | 74,345 |
| U.S. Geography by Letter - A | 0 | - | 4.37 | 63,368 |
| U.S. Geography by Letter - D | 0 | - | 4.09 | 57,326 |
| U.S. Geography by Letter - T | 0 | - | 4.29 | 50,067 |
| U.S. Geography by Letter - P | 0 | - | 4.38 | 54,215 |
| U.S. Geography by Letter - M | 0 | - | 4.14 | 53,530 |
| U.S. Geography by Letter - L | 0 | - | 4.04 | 41,379 |
| U.S. Geography by Letter - G | 0 | - | 4.13 | 39,541 |
| U.S. Geography by Letter - R | 0 | - | 4.22 | 36,267 |
| U.S. Geography By Letter - H | 0 | - | 4.35 | 40,422 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,834 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 382,501 |
| America in the Answers | 0 | - | 3.81 | 75,030 |
| Famous People from California by Picture | 0 | - | 4.32 | 36,562 |
| California Groups of Things | 0 | - | 4.25 | 45,602 |
| Hawaiian Islands Map Quiz | 0 | - | 4.78 | 22,295 |
| New York Groups of Things | 0 | - | 4.35 | 68,142 |
| U.S. States with the Most Billionaires | 0 | - | 4.51 | 50,471 |
| U.S. States With Palm Trees | 0 | - | 4.52 | 45,851 |
| Top U.S. States in Crude Oil Production | 0 | - | 4.51 | 41,109 |
| U.S. States by Emoji | 0 | - | 4.48 | 101,116 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 39,398 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.48 | 37,138 |
| Least Visited U.S. States by JetPunkers | 0 | - | 4.44 | 70,791 |
| Musical Acts by State | 0 | - | 4.05 | 19,595 |
| Top 10 Richest U.S. States by Median Income | 0 | - | 4.47 | 119,194 |
| U.S. State Shapes Quiz #1 | 0 | - | 4.74 | 153,204 |
| U.S. State Shapes Quiz #2 | 0 | - | 4.80 | 102,199 |
| U.S. States that Start with N - Shape Quiz | 0 | - | 4.67 | 48,728 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,784 |
| Famous Italian-Americans | 0 | - | 4.15 | 14,524 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,652 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,825 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,665 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 192,758 |
| States that Beat Alaska | 0 | - | 4.49 | 26,549 |
| States that Beat Florida | 0 | - | 4.32 | 40,895 |
| Movies Set in Chicago | 0 | - | 4.46 | 28,210 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,499 |
| Michigan Cities Map Quiz | 0 | - | 4.45 | 21,116 |
| Who Did that Motown Song? | 0 | - | 4.48 | 13,063 |
| Movies Set in Las Vegas | 0 | - | 4.13 | 32,152 |
| Texas Cities Map Quiz | 0 | - | 4.38 | 81,584 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,075 |
| Washington Cities Map Quiz | 0 | - | 4.48 | 24,086 |
| Washington D.C. Landmarks on a Map | 0 | - | 4.60 | 18,440 |
| Regions of U.S. States | 0 | - | 4.37 | 44,019 |
| U.S. States by Clue #2 | 0 | - | 4.33 | 23,055 |
| 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 | 50,869 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,926 |
| People by U.S. State - Multiple Choice | 0 | - | 4.06 | 9,846 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,853 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 83,879 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,216 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,422 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,651 |
| U.S States with the Most Cows | 0 | - | 4.63 | 29,876 |
| Countries that Beat Australia | 0 | - | 4.92 | 93,096 |
| U.S. Geography by Letter - N | 0 | - | 3.80 | 52,974 |
| U.S. Geography by Letter - E | 0 | - | 3.75 | 48,965 |
| U.S. Geography by Letter - F | 0 | - | 3.84 | 45,231 |
| U.S. Geography by Letter - O | 0 | - | 3.52 | 41,709 |
| Mexico Country Quiz | 0 | - | 4.49 | 72,568 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,838 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,640 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,592 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,176 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,649 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,965 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,985 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 83,420 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,127 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,125 |
| Random U.S. City to State | 0 | - | 4.45 | 76,632 |
| Pixelated United States Map | 0 | - | 4.88 | 94,518 |
