| Deadliest U.S. Wars | 0 | - | 4.89 | 189,448 |
| American History Quotes #1 | 0 | - | 4.37 | 95,729 |
| American History Quotes #2 | 0 | - | 4.38 | 41,245 |
| US States Quiz | 0 | - | 5.00 | 16,731,061 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 207,053 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 328,766 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,521,994 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 218,872 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,773 |
| Six Flags Over Texas | 0 | - | 4.78 | 63,057 |
| Last Names in U.S. History #1 | 0 | - | 4.25 | 36,103 |
| US States with an Empty Map | 0 | - | 5.00 | 619,768 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,855 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,580 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,746 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 94,943 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,155 |
| Rivers of the United States | 0 | - | 4.93 | 65,622 |
| American Founding Fathers | 0 | - | 4.41 | 23,085 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,489 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,554 |
| 100 Most Influential Figures in U.S. History | 0 | - | 4.20 | 44,758 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,382,822 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,723 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,019 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,838 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,238 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,610 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,557 |
| History of Florida | 0 | - | 4.45 | 9,774 |
| History of Texas | 0 | - | 4.43 | 14,563 |
| U.S. States that Border Canada | 0 | - | 4.91 | 182,918 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,743 |
| Last Names in U.S. History #2 | 0 | - | 4.39 | 17,517 |
| All U.S. Supreme Court Justices | 0 | - | 4.54 | 28,896 |
| All U.S. Supreme Court Justices Ever | 0 | - | 4.49 | 11,677 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,662,002 |
| People on Money - United States | 0 | - | 4.31 | 63,230 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,282 |
| U.S. States by Clue #1 | 0 | - | 4.49 | 38,698 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 76,563 |
| Tourist Attractions by U.S. State | 0 | - | 4.46 | 62,472 |
| Names of Generations | 0 | - | 4.01 | 22,648 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,788 |
| Free in the Answers | 0 | - | 4.11 | 51,299 |
| History of California | 0 | - | 4.40 | 18,705 |
| History of Georgia (U.S. State) | 0 | - | 4.30 | 13,187 |
| History of Illinois | 0 | - | 4.24 | 11,183 |
| History of Maryland | 0 | - | 4.06 | 6,654 |
| History of Massachusetts | 0 | - | 4.14 | 8,341 |
| History of Michigan | 0 | - | 4.26 | 6,909 |
| History of New York | 0 | - | 4.36 | 16,293 |
| History of New Jersey | 0 | - | 4.38 | 7,215 |
| History of Ohio | 0 | - | 4.14 | 7,313 |
| History of Tennessee | 0 | - | 4.29 | 7,638 |
| History of Washington State | 0 | - | 4.27 | 6,843 |
| U.S. History A-Z #1 | 0 | - | 4.35 | 29,581 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 502,727 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,667,253 |
| Movies by State | 0 | - | 4.27 | 40,459 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 68,858 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,359 |
| United States Map Quiz | 0 | - | 4.98 | 4,144,329 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 743,812 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,781 |
| U.S. Bill of Rights | 0 | - | 4.53 | 32,388 |
| California Cities Map Quiz | 0 | - | 4.50 | 87,684 |
| States that Beat California | 0 | - | 4.54 | 63,305 |
| Florida Cities Map Quiz | 0 | - | 4.48 | 60,665 |
| New York Cities Map Quiz | 0 | - | 4.54 | 42,071 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,214 |
| States that Beat New York | 0 | - | 4.51 | 44,627 |
| States that Beat Texas | 0 | - | 4.58 | 44,142 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,699 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,480 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,629 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,453 |
| Most Valuable Crops by U.S. State | 0 | - | 4.40 | 38,953 |
| U.S. States with the Fewest Borders | 0 | - | 4.77 | 113,127 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,238 |
| U.S. Five-Star Generals and Admirals | 0 | - | 4.33 | 8,308 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.50 | 40,924 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,410 |
| Arms Exports - United States | 0 | - | 4.70 | 56,916 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 424,208 |
| State Quiz - Alaska | 0 | - | 4.42 | 41,839 |
| State Quiz - Arizona | 0 | - | 4.44 | 36,540 |
| State Quiz - California | 0 | - | 4.68 | 64,061 |
| State Quiz - Florida | 0 | - | 4.47 | 62,020 |
| Countries that Visit Florida the Most | 0 | - | 4.72 | 71,424 |
| State Quiz - Georgia | 0 | - | 4.48 | 35,373 |
| Countries Closest to Hawaii | 0 | - | 4.54 | 53,308 |
| State Quiz - Illinois | 0 | - | 4.44 | 33,202 |
| State Quiz - Kentucky | 0 | - | 4.41 | 32,280 |
| State Quiz - Minnesota | 0 | - | 4.41 | 38,610 |
| State Quiz - New York | 0 | - | 4.52 | 45,814 |
| State Quiz - New Jersey | 0 | - | 4.42 | 37,937 |
| State Quiz - Texas | 0 | - | 4.43 | 62,573 |
| State Quiz - Pennsylvania | 0 | - | 4.50 | 48,694 |
| State Quiz - Tennessee | 0 | - | 4.54 | 33,953 |
| State Quiz - Virginia | 0 | - | 4.52 | 40,086 |
| State Quiz - Washington | 0 | - | 4.45 | 36,208 |
| The American Civil War | 0 | - | 4.62 | 52,196 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.45 | 52,698 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.74 | 38,350 |
| U.S. States with More Cows than People | 0 | - | 4.63 | 40,458 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.51 | 66,246 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.46 | 53,114 |
| U.S. States with Spanish Names | 0 | - | 4.50 | 87,406 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 32,430 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,316 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,501 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,498 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,126 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.77 | 63,469 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,594 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,370 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,321,336 |
| U.S. Geography by Letter - C | 0 | - | 4.27 | 73,629 |
| U.S. Geography by Letter - A | 0 | - | 4.38 | 62,594 |
| U.S. Geography by Letter - D | 0 | - | 4.08 | 56,583 |
| U.S. Geography by Letter - T | 0 | - | 4.29 | 49,258 |
| U.S. Geography by Letter - P | 0 | - | 4.36 | 47,682 |
| U.S. Geography by Letter - M | 0 | - | 4.14 | 52,868 |
| U.S. Geography by Letter - L | 0 | - | 4.04 | 40,687 |
| U.S. Geography by Letter - G | 0 | - | 4.13 | 38,829 |
| U.S. Geography By Letter - H | 0 | - | 4.35 | 39,596 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,431 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 379,887 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 190,179 |
| America in the Answers | 0 | - | 3.80 | 74,611 |
| States that Beat Alaska | 0 | - | 4.49 | 26,409 |
| Famous People from California by Picture | 0 | - | 4.32 | 36,189 |
| California Groups of Things | 0 | - | 4.25 | 45,298 |
| States that Beat Florida | 0 | - | 4.32 | 40,639 |
| Hawaiian Islands Map Quiz | 0 | - | 4.78 | 22,214 |
| New York Groups of Things | 0 | - | 4.38 | 59,974 |
| U.S. States with the Most Billionaires | 0 | - | 4.51 | 50,145 |
| U.S. States With Palm Trees | 0 | - | 4.52 | 45,654 |
| Top U.S. States in Crude Oil Production | 0 | - | 4.51 | 40,991 |
| U.S. States by Emoji | 0 | - | 4.48 | 100,262 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 39,225 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.47 | 36,992 |
| Least Visited U.S. States by JetPunkers | 0 | - | 4.44 | 70,350 |
| Musical Acts by State | 0 | - | 4.05 | 19,560 |
| Top 10 Richest U.S. States by Median Income | 0 | - | 4.47 | 118,613 |
| U.S. State Shapes Quiz #1 | 0 | - | 4.74 | 152,622 |
| U.S. State Shapes Quiz #2 | 0 | - | 4.80 | 101,838 |
| U.S. States that Start with N - Shape Quiz | 0 | - | 4.67 | 48,488 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,855 |
| Famous Italian-Americans | 0 | - | 4.15 | 14,342 |
| U.S States with the Most Cows | 0 | - | 4.63 | 29,581 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,072 |
| Name a Valid African Country | 0 | - | 4.98 | 153,116 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,042 |
| U.S. State Nicknames Quiz | 0 | - | 4.47 | 50,333 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,308 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,504 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,788 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,983 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,400 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,408 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,578 |
| Cities of Los Angeles County on a Map | 0 | - | 4.69 | 26,790 |
| State Quiz - Colorado | 0 | - | 4.35 | 47,976 |
| State Quiz - Idaho | 0 | - | 4.58 | 27,283 |
| Movies Set in Chicago | 0 | - | 4.46 | 28,149 |
| History of Louisiana | 0 | - | 4.46 | 9,501 |
| State Quiz - Maine | 0 | - | 4.52 | 25,277 |
| State Quiz - Massachusetts | 0 | - | 4.36 | 35,211 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,182 |
| State Quiz - Michigan | 0 | - | 4.27 | 51,932 |
| Michigan Cities Map Quiz | 0 | - | 4.45 | 20,916 |
| Who Did that Motown Song? | 0 | - | 4.48 | 13,025 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.84 | 65,736 |
| State Quiz - Mississippi | 0 | - | 4.47 | 23,291 |
| State Quiz - Missouri | 0 | - | 4.44 | 24,612 |
| State Quiz - Nebraska | 0 | - | 4.53 | 23,972 |
| Movies Set in Las Vegas | 0 | - | 4.13 | 32,096 |
| Texas Cities Map Quiz | 0 | - | 4.38 | 81,319 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,582 |
| State Quiz - North Carolina | 0 | - | 4.32 | 39,413 |
| State Quiz - North Dakota | 0 | - | 4.48 | 21,533 |
| State Quiz - Ohio | 0 | - | 4.23 | 45,104 |
| State Quiz - Rhode Island | 0 | - | 4.56 | 25,672 |
| Washington Cities Map Quiz | 0 | - | 4.48 | 24,024 |
| Washington D.C. by Picture | 0 | - | 4.49 | 26,674 |
| Washington D.C. Landmarks on a Map | 0 | - | 4.60 | 18,297 |
| State Quiz - West Virginia | 0 | - | 4.42 | 21,865 |
| State Quiz - Wisconsin | 0 | - | 4.40 | 40,000 |
| Regions of U.S. States | 0 | - | 4.37 | 43,539 |
| U.S. States by Clue #2 | 0 | - | 4.33 | 22,682 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,346 |
| U.S. States by Hottest Recorded Temperature | 0 | - | 4.36 | 57,216 |
| Events by U.S. State #1 | 0 | - | 4.43 | 22,845 |
| Top 10 U.S. States with the Longest Coastline | 0 | - | 4.45 | 50,716 |
| U.S. States Richer than Their Neighbors | 0 | - | 4.43 | 27,243 |
| Top 10 U.S. States With the Most Endemic Species | 0 | - | 4.50 | 22,381 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,545 |
| U.S. States with the Most National Parks | 0 | - | 4.64 | 25,469 |
