| Deadliest U.S. Wars | 0 | - | 4.89 | 189,429 |
| US States Quiz | 0 | - | 5.00 | 16,727,981 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,012 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,823 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,607 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 328,730 |
| Six Flags Over Texas | 0 | - | 4.78 | 63,052 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,852 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,566 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,730 |
| US States with an Empty Map | 0 | - | 5.00 | 619,683 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 94,928 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,129 |
| American Founding Fathers | 0 | - | 4.41 | 23,085 |
| Rivers of the United States | 0 | - | 4.93 | 65,614 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,776 |
| All U.S. Supreme Court Justices | 0 | - | 4.54 | 28,895 |
| All U.S. Supreme Court Justices Ever | 0 | - | 4.49 | 11,676 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,461 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,536 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 207,022 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,714 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,224 |
| History of Florida | 0 | - | 4.45 | 9,773 |
| History of Texas | 0 | - | 4.43 | 14,562 |
| American History Quotes #1 | 0 | - | 4.37 | 95,729 |
| American History Quotes #2 | 0 | - | 4.38 | 41,245 |
| Last Names in U.S. History #1 | 0 | - | 4.25 | 36,099 |
| U.S. States that Border Canada | 0 | - | 4.91 | 182,872 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,732 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,576 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,521,779 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 218,833 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,749 |
| U.S. Five-Star Generals and Admirals | 0 | - | 4.33 | 8,308 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.50 | 40,861 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,402 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,661,324 |
| People on Money - United States | 0 | - | 4.31 | 63,229 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,280 |
| The American Civil War | 0 | - | 4.62 | 52,191 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.51 | 66,241 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.46 | 53,056 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,310 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,501 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,490 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,123 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.77 | 63,462 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,591 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 68,850 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,354 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 743,756 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,187 |
| History of California | 0 | - | 4.40 | 18,704 |
| History of Georgia (U.S. State) | 0 | - | 4.30 | 13,185 |
| History of Illinois | 0 | - | 4.24 | 11,182 |
| History of Maryland | 0 | - | 4.06 | 6,653 |
| History of Massachusetts | 0 | - | 4.14 | 8,341 |
| History of Michigan | 0 | - | 4.26 | 6,907 |
| History of New York | 0 | - | 4.36 | 16,292 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,213 |
| History of New Jersey | 0 | - | 4.38 | 7,214 |
| History of Ohio | 0 | - | 4.14 | 7,312 |
| 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 | 29,572 |
| Last Names in U.S. History #2 | 0 | - | 4.39 | 17,516 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,382,680 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,666,978 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 39,225 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.47 | 36,992 |
| Top 10 Richest U.S. States by Median Income | 0 | - | 4.47 | 118,610 |
| Canadian Prime Ministers | 0 | - | 4.63 | 57,158 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,554 |
| United States Map Quiz | 0 | - | 4.98 | 4,144,121 |
| U.S. States by Hottest Recorded Temperature | 0 | - | 4.36 | 57,211 |
| 10 U.S. States with the Highest Tax Burden | 0 | - | 4.26 | 38,058 |
| Top 10 U.S. States by Manufacturing Employment | 0 | - | 4.49 | 28,751 |
| U.S. States With No City Over 100,000 | 0 | - | 4.57 | 17,840 |
| The Vietnam War | 0 | - | 4.43 | 35,332 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,014 |
| Top U.S. Universities | 0 | - | 4.15 | 144,234 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,537 |
| Arms Exports - United States | 0 | - | 4.70 | 54,970 |
| U.S. Bill of Rights | 0 | - | 4.53 | 32,388 |
| U.S. Political Figures by Picture #1 | 0 | - | 4.14 | 26,083 |
| U.S. Political Figures by Picture #2 | 0 | - | 4.10 | 15,470 |
| Female Political Figures by Picture - U.S. | 0 | - | 4.20 | 10,822 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 424,171 |
| State Quiz - Alaska | 0 | - | 4.42 | 41,838 |
| State Quiz - Arizona | 0 | - | 4.44 | 36,540 |
| California Cities Map Quiz | 0 | - | 4.50 | 87,677 |
| State Quiz - California | 0 | - | 4.68 | 64,056 |
| State Quiz - Florida | 0 | - | 4.47 | 62,012 |
| Florida Cities Map Quiz | 0 | - | 4.48 | 60,665 |
| Countries that Visit Florida the Most | 0 | - | 4.72 | 71,398 |
| State Quiz - Georgia | 0 | - | 4.48 | 35,371 |
| Countries Closest to Hawaii | 0 | - | 4.54 | 53,303 |
| State Quiz - Illinois | 0 | - | 4.44 | 33,200 |
| State Quiz - Kentucky | 0 | - | 4.41 | 32,279 |
| State Quiz - Minnesota | 0 | - | 4.41 | 38,610 |
| New York Cities Map Quiz | 0 | - | 4.54 | 42,071 |
| State Quiz - New York | 0 | - | 4.52 | 45,810 |
| State Quiz - New Jersey | 0 | - | 4.42 | 37,935 |
| State Quiz - Texas | 0 | - | 4.43 | 62,569 |
| State Quiz - Pennsylvania | 0 | - | 4.50 | 48,693 |
| State Quiz - Tennessee | 0 | - | 4.54 | 33,951 |
| State Quiz - Virginia | 0 | - | 4.52 | 40,085 |
| State Quiz - Washington | 0 | - | 4.45 | 36,207 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.45 | 52,693 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.74 | 38,346 |
| U.S. States by Clue #1 | 0 | - | 4.49 | 38,693 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,692 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,476 |
| U.S. States with More Cows than People | 0 | - | 4.63 | 40,456 |
| U.S. States with Spanish Names | 0 | - | 4.50 | 87,395 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 32,430 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 76,556 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 34,946 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 48,752 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,628 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,450 |
| Tourist Attractions by U.S. State | 0 | - | 4.46 | 62,469 |
| U.S. States with the Fewest Borders | 0 | - | 4.77 | 113,115 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,238 |
| U.S. Geography by Letter - C | 0 | - | 4.27 | 73,620 |
| U.S. Geography by Letter - A | 0 | - | 4.38 | 62,585 |
| U.S. Geography by Letter - D | 0 | - | 4.08 | 56,581 |
| U.S. Geography by Letter - T | 0 | - | 4.29 | 49,251 |
| U.S. Geography by Letter - P | 0 | - | 4.36 | 47,678 |
| U.S. Geography by Letter - M | 0 | - | 4.14 | 52,859 |
| U.S. Geography by Letter - L | 0 | - | 4.04 | 40,679 |
| U.S. Geography by Letter - G | 0 | - | 4.13 | 38,820 |
| U.S. Geography By Letter - H | 0 | - | 4.35 | 39,588 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,424 |
| Names of Generations | 0 | - | 4.01 | 22,580 |
| American Political Words | 0 | - | 4.39 | 23,349 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 379,867 |
| Famous People from California by Picture | 0 | - | 4.32 | 36,186 |
| California Groups of Things | 0 | - | 4.25 | 45,297 |
| Hawaiian Islands Map Quiz | 0 | - | 4.78 | 22,213 |
| New York Groups of Things | 0 | - | 4.38 | 59,972 |
| U.S. States with the Most Billionaires | 0 | - | 4.51 | 50,138 |
| U.S. States With Palm Trees | 0 | - | 4.52 | 45,647 |
| Top U.S. States in Crude Oil Production | 0 | - | 4.51 | 40,987 |
| U.S. States by Emoji | 0 | - | 4.48 | 100,253 |
| Least Visited U.S. States by JetPunkers | 0 | - | 4.44 | 70,337 |
| U.S. State Shapes Quiz #1 | 0 | - | 4.74 | 152,614 |
| U.S. State Shapes Quiz #2 | 0 | - | 4.80 | 101,832 |
| U.S. States that Start with N - Shape Quiz | 0 | - | 4.67 | 48,483 |
| Famous Canadians by Picture | 0 | - | 4.39 | 49,171 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,822 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,092 |
| The Iraq War | 0 | - | 4.47 | 15,569 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,032 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,487 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,973 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 190,149 |
| Free in the Answers | 0 | - | 4.11 | 51,295 |
| Movies Set in Chicago | 0 | - | 4.46 | 28,148 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,177 |
| Michigan Cities Map Quiz | 0 | - | 4.45 | 20,916 |
| Who Did that Motown Song? | 0 | - | 4.48 | 13,025 |
| Movies Set in Las Vegas | 0 | - | 4.13 | 32,096 |
| Texas Cities Map Quiz | 0 | - | 4.38 | 81,317 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,573 |
| Washington Cities Map Quiz | 0 | - | 4.48 | 24,023 |
| Washington D.C. Landmarks on a Map | 0 | - | 4.60 | 18,297 |
| Regions of U.S. States | 0 | - | 4.37 | 43,538 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,346 |
| Top 10 U.S. States with the Longest Coastline | 0 | - | 4.45 | 50,712 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,529 |
| Movies by State | 0 | - | 4.27 | 40,459 |
| U.S. States with the Fewest Traffic Fatalities | 0 | - | 4.20 | 21,074 |
| U.S. States with the Most Traffic Fatalities | 0 | - | 4.10 | 19,060 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,340 |
| Monarchies of Europe | 0 | - | 4.90 | 97,462 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,124 |
| Monarchies of Asia | 0 | - | 4.97 | 70,677 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,495 |
| Battle to Country | 0 | - | 4.91 | 52,627 |
| U.S States with the Most Cows | 0 | - | 4.63 | 29,576 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,058 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,776 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,235 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,464 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,229 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,179 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,177 |
| U.S. Geography by Letter - N | 0 | - | 3.79 | 52,398 |
| U.S. Geography by Letter - E | 0 | - | 3.75 | 48,411 |
| U.S. Geography by Letter - F | 0 | - | 3.87 | 44,660 |
| U.S. Geography by Letter - O | 0 | - | 3.52 | 40,436 |
| U.S. Geography by Letter - R | 0 | - | 4.18 | 30,508 |
| Mexico Country Quiz | 0 | - | 4.49 | 72,058 |
| Mexico Cities Map Quiz | 0 | - | 4.77 | 33,331 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,404 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,561 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,631 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,286 |
