| Deadliest U.S. Wars | 0 | - | 4.89 | 189,160 |
| US States Quiz | 0 | - | 5.00 | 16,685,248 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,801 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,575 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,519 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,679 |
| Six Flags Over Texas | 0 | - | 4.79 | 62,981 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,780 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,314 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,487 |
| US States with an Empty Map | 0 | - | 5.00 | 618,339 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,590 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,826 |
| American Founding Fathers | 0 | - | 4.41 | 23,065 |
| Rivers of the United States | 0 | - | 4.93 | 65,444 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,718 |
| All U.S. Supreme Court Justices | 0 | - | 4.54 | 28,873 |
| All U.S. Supreme Court Justices Ever | 0 | - | 4.49 | 11,666 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,230 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,388 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,512 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,494 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 90,968 |
| History of Florida | 0 | - | 4.45 | 9,758 |
| History of Texas | 0 | - | 4.43 | 14,547 |
| American History Quotes #1 | 0 | - | 4.37 | 95,665 |
| American History Quotes #2 | 0 | - | 4.38 | 41,218 |
| Last Names in U.S. History #1 | 0 | - | 4.25 | 36,064 |
| U.S. States that Border Canada | 0 | - | 4.91 | 182,235 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,610 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,495 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,516,856 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 218,102 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,335 |
| U.S. Five-Star Generals and Admirals | 0 | - | 4.33 | 8,300 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.49 | 37,102 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,319 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,650,212 |
| People on Money - United States | 0 | - | 4.31 | 63,199 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,223 |
| The American Civil War | 0 | - | 4.62 | 52,107 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.51 | 66,156 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.45 | 49,731 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,250 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,459 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,395 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,061 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.77 | 63,375 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,551 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 68,512 |
| U.S. Geography by Letter - S | 0 | - | 4.54 | 52,062 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 742,872 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 71,975 |
| History of California | 0 | - | 4.40 | 18,690 |
| History of Georgia (U.S. State) | 0 | - | 4.30 | 13,174 |
| History of Illinois | 0 | - | 4.24 | 11,172 |
| History of Maryland | 0 | - | 4.06 | 6,648 |
| History of Massachusetts | 0 | - | 4.14 | 8,322 |
| History of Michigan | 0 | - | 4.26 | 6,901 |
| History of New York | 0 | - | 4.36 | 16,277 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,186 |
| History of New Jersey | 0 | - | 4.38 | 7,202 |
| History of Ohio | 0 | - | 4.14 | 7,305 |
| History of Tennessee | 0 | - | 4.29 | 7,628 |
| History of Washington State | 0 | - | 4.27 | 6,835 |
| U.S. History A-Z #1 | 0 | - | 4.39 | 29,246 |
| Last Names in U.S. History #2 | 0 | - | 4.39 | 17,492 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,379,270 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,663,174 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 39,180 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.47 | 36,959 |
| Top 10 Richest U.S. States by Median Income | 0 | - | 4.47 | 118,539 |
| Canadian Prime Ministers | 0 | - | 4.63 | 56,991 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,487 |
| United States Map Quiz | 0 | - | 4.98 | 4,140,233 |
| U.S. States by Hottest Recorded Temperature | 0 | - | 4.36 | 57,164 |
| 10 U.S. States with the Highest Tax Burden | 0 | - | 4.26 | 37,984 |
| Top 10 U.S. States by Manufacturing Employment | 0 | - | 4.49 | 28,723 |
| U.S. States With No City Over 100,000 | 0 | - | 4.57 | 17,806 |
| The Vietnam War | 0 | - | 4.43 | 35,281 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 39,962 |
| Top U.S. Universities | 0 | - | 4.15 | 143,970 |
| Countries Closest to United States A-Z | 0 | - | 4.81 | 117,342 |
| Arms Exports - United States | 0 | - | 4.70 | 54,292 |
| U.S. Bill of Rights | 0 | - | 4.53 | 32,366 |
| U.S. Political Figures by Picture #1 | 0 | - | 4.14 | 26,068 |
| U.S. Political Figures by Picture #2 | 0 | - | 4.10 | 15,457 |
| Female Political Figures by Picture - U.S. | 0 | - | 4.20 | 10,803 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 423,408 |
| State Quiz - Alaska | 0 | - | 4.42 | 41,777 |
| State Quiz - Arizona | 0 | - | 4.44 | 36,476 |
| California Cities Map Quiz | 0 | - | 4.50 | 87,620 |
| State Quiz - California | 0 | - | 4.68 | 63,923 |
| State Quiz - Florida | 0 | - | 4.47 | 61,912 |
| Florida Cities Map Quiz | 0 | - | 4.48 | 60,610 |
| Countries that Visit Florida the Most | 0 | - | 4.72 | 70,921 |
| State Quiz - Georgia | 0 | - | 4.48 | 35,305 |
| Countries Closest to Hawaii | 0 | - | 4.54 | 53,200 |
| State Quiz - Illinois | 0 | - | 4.44 | 33,137 |
| State Quiz - Kentucky | 0 | - | 4.41 | 32,227 |
| State Quiz - Minnesota | 0 | - | 4.41 | 38,533 |
| New York Cities Map Quiz | 0 | - | 4.54 | 42,030 |
| State Quiz - New York | 0 | - | 4.52 | 45,712 |
| State Quiz - New Jersey | 0 | - | 4.42 | 37,860 |
| State Quiz - Texas | 0 | - | 4.43 | 62,461 |
| State Quiz - Pennsylvania | 0 | - | 4.50 | 48,593 |
| State Quiz - Tennessee | 0 | - | 4.54 | 33,885 |
| State Quiz - Virginia | 0 | - | 4.52 | 40,018 |
| State Quiz - Washington | 0 | - | 4.45 | 36,151 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.45 | 52,651 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.74 | 38,310 |
| U.S. States by Clue #1 | 0 | - | 4.53 | 38,552 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,632 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,367 |
| U.S. States with More Cows than People | 0 | - | 4.63 | 40,421 |
| U.S. States with Spanish Names | 0 | - | 4.50 | 87,251 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 32,406 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 76,418 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 34,924 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 48,658 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,551 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,344 |
| Tourist Attractions by U.S. State | 0 | - | 4.46 | 62,433 |
| U.S. States with the Fewest Borders | 0 | - | 4.77 | 112,982 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,222 |
| U.S. Geography by Letter - C | 0 | - | 4.26 | 73,319 |
| U.S. Geography by Letter - A | 0 | - | 4.38 | 62,281 |
| U.S. Geography by Letter - D | 0 | - | 4.08 | 56,284 |
| U.S. Geography by Letter - T | 0 | - | 4.27 | 48,971 |
| U.S. Geography by Letter - P | 0 | - | 4.34 | 47,362 |
| U.S. Geography by Letter - M | 0 | - | 4.13 | 52,576 |
| U.S. Geography by Letter - L | 0 | - | 4.03 | 40,328 |
| U.S. Geography by Letter - G | 0 | - | 4.12 | 38,578 |
| U.S. Geography By Letter - H | 0 | - | 4.35 | 39,303 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,349 |
| American Political Words | 0 | - | 4.39 | 23,329 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 379,404 |
| Famous People from California by Picture | 0 | - | 4.32 | 36,108 |
| California Groups of Things | 0 | - | 4.25 | 45,257 |
| Hawaiian Islands Map Quiz | 0 | - | 4.78 | 22,200 |
| New York Groups of Things | 0 | - | 4.38 | 59,917 |
| U.S. States with the Most Billionaires | 0 | - | 4.51 | 50,061 |
| U.S. States With Palm Trees | 0 | - | 4.52 | 45,589 |
| Top U.S. States in Crude Oil Production | 0 | - | 4.51 | 40,960 |
| U.S. States by Emoji | 0 | - | 4.48 | 100,076 |
| Least Visited U.S. States by JetPunkers | 0 | - | 4.44 | 70,223 |
| U.S. State Shapes Quiz #1 | 0 | - | 4.74 | 152,324 |
| U.S. State Shapes Quiz #2 | 0 | - | 4.80 | 101,739 |
| U.S. States that Start with N - Shape Quiz | 0 | - | 4.67 | 48,425 |
| Famous Canadians by Picture | 0 | - | 4.39 | 49,108 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,215 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,031 |
| The Iraq War | 0 | - | 4.47 | 15,543 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,889 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,224 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,799 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 189,668 |
| Free in the Answers | 0 | - | 4.11 | 51,252 |
| Movies Set in Chicago | 0 | - | 4.46 | 28,140 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 72,997 |
| Michigan Cities Map Quiz | 0 | - | 4.45 | 20,899 |
| Who Did that Motown Song? | 0 | - | 4.48 | 13,017 |
| Movies Set in Las Vegas | 0 | - | 4.13 | 32,083 |
| Texas Cities Map Quiz | 0 | - | 4.38 | 81,291 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,450 |
| Washington Cities Map Quiz | 0 | - | 4.48 | 24,011 |
| Washington D.C. Landmarks on a Map | 0 | - | 4.61 | 18,273 |
| Regions of U.S. States | 0 | - | 4.37 | 43,432 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,336 |
| Top 10 U.S. States with the Longest Coastline | 0 | - | 4.45 | 50,669 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,137 |
| Movies by State | 0 | - | 4.27 | 40,435 |
| U.S. States with the Fewest Traffic Fatalities | 0 | - | 4.20 | 21,050 |
| U.S. States with the Most Traffic Fatalities | 0 | - | 4.10 | 19,038 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,145 |
| Monarchies of Europe | 0 | - | 4.90 | 97,239 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,825 |
| Monarchies of Asia | 0 | - | 4.97 | 70,553 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,396 |
| Battle to Country | 0 | - | 4.91 | 52,463 |
| U.S States with the Most Cows | 0 | - | 4.63 | 29,529 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,750 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,615 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,139 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,314 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,006 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,055 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,025 |
| U.S. Geography by Letter - N | 0 | - | 3.79 | 52,117 |
| U.S. Geography by Letter - E | 0 | - | 3.73 | 48,173 |
| U.S. Geography by Letter - F | 0 | - | 3.86 | 44,429 |
| U.S. Geography by Letter - O | 0 | - | 3.43 | 33,780 |
| U.S. Geography by Letter - R | 0 | - | 4.15 | 30,248 |
| Mexico Country Quiz | 0 | - | 4.49 | 71,942 |
| Mexico Cities Map Quiz | 0 | - | 4.77 | 33,306 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,282 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,389 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,473 |
| Name the U.S. National Parks | 0 | - | 4.86 | 58,441 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,176 |
