| Deadliest U.S. Wars | 0 | - | 4.89 | 190,792 |
| US States Quiz | 0 | - | 5.00 | 16,873,832 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,642 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,645 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,904 |
| 100 Most Influential Figures in U.S. History | 0 | - | 4.20 | 45,051 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 331,974 |
| Six Flags Over Texas | 0 | - | 4.78 | 63,356 |
| US States with an Empty Map | 0 | - | 5.00 | 624,564 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,174 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,446 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,600 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,021 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,193 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,417 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,863 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 747,115 |
| Rivers of the United States | 0 | - | 4.93 | 66,197 |
| American Founding Fathers | 0 | - | 4.42 | 23,224 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,330 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,106 |
| People on Money - United States | 0 | - | 4.31 | 63,344 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 208,888 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,445 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,009 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,452 |
| History of Florida | 0 | - | 4.45 | 9,825 |
| History of Texas | 0 | - | 4.43 | 14,626 |
| American History Quotes #1 | 0 | - | 4.37 | 96,026 |
| American History Quotes #2 | 0 | - | 4.38 | 41,401 |
| Last Names in U.S. History #1 | 0 | - | 4.25 | 36,240 |
| U.S. States that Border Canada | 0 | - | 4.91 | 184,899 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,124 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,877 |
| U.S. History A-Z #1 | 0 | - | 4.36 | 30,067 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,538,932 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 220,783 |
| Category Elimination - U.S. States #2 | 0 | - | 4.83 | 134,196 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,775 |
| U.S. Geography by Letter - C | 0 | - | 4.27 | 74,082 |
| U.S. Geography by Letter - A | 0 | - | 4.37 | 63,092 |
| U.S. Geography by Letter - D | 0 | - | 4.09 | 57,085 |
| U.S. Geography by Letter - T | 0 | - | 4.29 | 49,777 |
| U.S. Geography by Letter - P | 0 | - | 4.38 | 53,857 |
| U.S. Geography by Letter - M | 0 | - | 4.14 | 53,329 |
| U.S. Geography by Letter - L | 0 | - | 4.04 | 41,134 |
| U.S. Geography by Letter - G | 0 | - | 4.13 | 39,303 |
| U.S. Geography By Letter - H | 0 | - | 4.35 | 40,124 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,540 |
| U.S. Five-Star Generals and Admirals | 0 | - | 4.33 | 8,332 |
| All U.S. Supreme Court Justices | 0 | - | 4.54 | 29,073 |
| All U.S. Supreme Court Justices Ever | 0 | - | 4.50 | 11,810 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,698,476 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,456 |
| The American Civil War | 0 | - | 4.62 | 52,418 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,745 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.77 | 63,765 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,699 |
| Names of Generations | 0 | - | 4.09 | 44,896 |
| History of California | 0 | - | 4.40 | 18,755 |
| History of Georgia (U.S. State) | 0 | - | 4.30 | 13,224 |
| History of Illinois | 0 | - | 4.24 | 11,220 |
| History of Maryland | 0 | - | 4.06 | 6,689 |
| History of Massachusetts | 0 | - | 4.14 | 8,392 |
| History of Michigan | 0 | - | 4.26 | 6,945 |
| History of New York | 0 | - | 4.36 | 16,353 |
| History of New Jersey | 0 | - | 4.38 | 7,261 |
| History of Ohio | 0 | - | 4.14 | 7,345 |
| History of Tennessee | 0 | - | 4.29 | 7,662 |
| History of Washington State | 0 | - | 4.27 | 6,877 |
| Last Names in U.S. History #2 | 0 | - | 4.39 | 17,613 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.70 | 1,391,421 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,680,918 |
| United States Map Quiz | 0 | - | 4.98 | 4,158,369 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,980 |
| U.S. Bill of Rights | 0 | - | 4.53 | 32,532 |
| California Cities Map Quiz | 0 | - | 4.50 | 87,971 |
| Florida Cities Map Quiz | 0 | - | 4.48 | 60,883 |
| New York Cities Map Quiz | 0 | - | 4.55 | 42,229 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,348 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 52,925 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,794 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,797 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,816 |
| U.S. States with the Fewest Borders | 0 | - | 4.78 | 113,843 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,303 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,767 |
| U.S. Geography by Letter - N | 0 | - | 3.80 | 52,744 |
| U.S. Geography by Letter - E | 0 | - | 3.75 | 48,767 |
| U.S. Geography by Letter - F | 0 | - | 3.84 | 45,029 |
| U.S. Geography by Letter - O | 0 | - | 3.52 | 41,492 |
| U.S. Geography by Letter - R | 0 | - | 4.18 | 31,019 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.51 | 43,972 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,160 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,658 |
| Arms Exports - United States | 0 | - | 4.77 | 62,410 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 426,444 |
| State Quiz - Alaska | 0 | - | 4.42 | 42,063 |
| State Quiz - Arizona | 0 | - | 4.44 | 36,718 |
| State Quiz - California | 0 | - | 4.69 | 64,423 |
| State Quiz - Florida | 0 | - | 4.47 | 62,330 |
| Countries that Visit Florida the Most | 0 | - | 4.70 | 72,255 |
| State Quiz - Georgia | 0 | - | 4.48 | 35,569 |
| Countries Closest to Hawaii | 0 | - | 4.55 | 53,651 |
| State Quiz - Illinois | 0 | - | 4.44 | 33,390 |
| State Quiz - Kentucky | 0 | - | 4.42 | 32,467 |
| State Quiz - Minnesota | 0 | - | 4.41 | 38,805 |
| State Quiz - New York | 0 | - | 4.52 | 46,108 |
| State Quiz - New Jersey | 0 | - | 4.42 | 38,155 |
| State Quiz - Texas | 0 | - | 4.43 | 62,869 |
| State Quiz - Pennsylvania | 0 | - | 4.50 | 49,010 |
| State Quiz - Tennessee | 0 | - | 4.54 | 34,176 |
| State Quiz - Virginia | 0 | - | 4.53 | 40,306 |
| State Quiz - Washington | 0 | - | 4.45 | 36,419 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.45 | 52,797 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.74 | 38,461 |
| U.S. States by Clue #1 | 0 | - | 4.51 | 39,098 |
| U.S. States with More Cows than People | 0 | - | 4.74 | 47,749 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.52 | 66,509 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,162 |
| U.S. States with Spanish Names | 0 | - | 4.50 | 87,861 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.43 | 32,498 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 77,014 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 49,034 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,529 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,632 |
| Tourist Attractions by U.S. State | 0 | - | 4.46 | 62,603 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,299 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,730 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,188 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 381,567 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 191,799 |
| Famous People from California by Picture | 0 | - | 4.32 | 36,441 |
| California Groups of Things | 0 | - | 4.25 | 45,490 |
| California Cities A-Z | 0 | - | 4.06 | 17,245 |
| Hawaiian Islands Map Quiz | 0 | - | 4.78 | 22,264 |
| New York Groups of Things | 0 | - | 4.35 | 63,694 |
| Texas A-Z | 0 | - | 4.19 | 16,372 |
| U.S. States with the Most Billionaires | 0 | - | 4.51 | 50,380 |
| U.S. States With Palm Trees | 0 | - | 4.52 | 45,792 |
| Top U.S. States in Crude Oil Production | 0 | - | 4.51 | 41,079 |
| U.S. States by Emoji | 0 | - | 4.48 | 100,919 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 39,342 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.48 | 37,098 |
| Least Visited U.S. States by JetPunkers | 0 | - | 4.44 | 70,659 |
| Top 10 Richest U.S. States by Median Income | 0 | - | 4.47 | 119,095 |
| U.S. State Shapes Quiz #1 | 0 | - | 4.74 | 152,902 |
| U.S. State Shapes Quiz #2 | 0 | - | 4.80 | 102,079 |
| U.S. States that Start with N - Shape Quiz | 0 | - | 4.67 | 48,656 |
| Famous Canadians by Picture | 0 | - | 4.39 | 49,362 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,195 |
| U.S States with the Most Cows | 0 | - | 4.63 | 29,808 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,859 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,172 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,478 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,940 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,639 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,464 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,488 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,032 |
| Free in the Answers | 0 | - | 4.08 | 51,522 |
| States that Beat California | 0 | - | 4.54 | 63,609 |
| Cities of Los Angeles County on a Map | 0 | - | 4.69 | 27,060 |
| State Quiz - Colorado | 0 | - | 4.38 | 48,317 |
| State Quiz - Idaho | 0 | - | 4.58 | 27,428 |
| Movies Set in Chicago | 0 | - | 4.46 | 28,191 |
| History of Louisiana | 0 | - | 4.46 | 9,546 |
| State Quiz - Maine | 0 | - | 4.52 | 25,423 |
| State Quiz - Massachusetts | 0 | - | 4.36 | 35,418 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,024 |
| State Quiz - Michigan | 0 | - | 4.27 | 52,190 |
| Michigan Cities Map Quiz | 0 | - | 4.45 | 21,078 |
| Who Did that Motown Song? | 0 | - | 4.48 | 13,052 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,220 |
| States that Beat New York | 0 | - | 4.50 | 44,975 |
| State Quiz - Mississippi | 0 | - | 4.47 | 23,420 |
| State Quiz - Missouri | 0 | - | 4.44 | 24,768 |
| State Quiz - Nebraska | 0 | - | 4.53 | 24,101 |
| Movies Set in Las Vegas | 0 | - | 4.13 | 32,135 |
| Texas Cities Map Quiz | 0 | - | 4.38 | 81,503 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,932 |
| States that Beat Texas | 0 | - | 4.58 | 44,341 |
| State Quiz - North Carolina | 0 | - | 4.32 | 39,632 |
| State Quiz - North Dakota | 0 | - | 4.48 | 21,644 |
| State Quiz - Ohio | 0 | - | 4.23 | 45,377 |
| State Quiz - Rhode Island | 0 | - | 4.56 | 25,830 |
| Washington Cities Map Quiz | 0 | - | 4.48 | 24,066 |
| Washington D.C. by Picture | 0 | - | 4.49 | 26,766 |
| Washington D.C. Landmarks on a Map | 0 | - | 4.60 | 18,398 |
| State Quiz - West Virginia | 0 | - | 4.42 | 21,976 |
| State Quiz - Wisconsin | 0 | - | 4.40 | 40,242 |
| Regions of U.S. States | 0 | - | 4.37 | 43,873 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,387 |
| U.S. States by Hottest Recorded Temperature | 0 | - | 4.36 | 57,384 |
| Events by U.S. State #1 | 0 | - | 4.43 | 22,910 |
| Top 10 U.S. States with the Longest Coastline | 0 | - | 4.45 | 50,829 |
| U.S. States Richer than Their Neighbors | 0 | - | 4.43 | 27,366 |
| Top 10 U.S. States With the Most Endemic Species | 0 | - | 4.50 | 22,465 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,025 |
| U.S. States with the Most National Parks | 0 | - | 4.65 | 25,719 |
