| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 193,844 |
| U.S. Presidents by State | 0 | - | 4.34 | 68,726 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 382,244 |
| The Jimmy Carter Presidency | 0 | - | 4.41 | 19,157 |
| The Richard Nixon Presidency | 0 | - | 4.05 | 22,037 |
| People in Pictures with Ronald Reagan | 0 | - | 4.35 | 40,743 |
| The John F. Kennedy Presidency | 0 | - | 4.47 | 43,793 |
| Presidential Actors | 0 | - | 4.36 | 19,196 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 234,662 |
| U.S. Map with Random Merged States | 0 | - | 4.94 | 302,903 |
| United States Map Quiz | 0 | - | 4.98 | 4,162,985 |
| Random U.S. Presidents by Picture | 0 | - | 4.40 | 66,337 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,800 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,583 |
| Countries of the Soviet Union | 0 | - | 4.98 | 194,777 |
| Soviet Union Country Quiz | 0 | - | 4.91 | 80,840 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,589 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,090 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,711 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,839 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,591 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,797 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,735 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 332,970 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,929 |
| Win the U.S. Presidential Election | 0 | - | 4.78 | 629,697 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,706,913 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 74,335 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,364 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,021 |
| US States Quiz | 0 | - | 5.00 | 16,911,792 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,715 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,230 |
| Vietnam War Countries | 0 | - | 4.82 | 94,344 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,392 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,224 |
| Pixelated United States Map | 0 | - | 4.88 | 94,431 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,911 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,965 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,652 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,782 |
| U.S. Presidential Quotes | 0 | - | 4.37 | 44,534 |
| The Bill Clinton Presidency | 0 | - | 4.24 | 31,478 |
| The George H. W. Bush Presidency | 0 | - | 4.36 | 21,512 |
| The Ronald Reagan Presidency | 0 | - | 4.26 | 24,842 |
| Six Flags Over Texas | 0 | - | 4.78 | 63,435 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,035 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,109 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 507,707 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,673 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 113,637 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,287 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,603 |
| U.S. States By Population | 0 | - | 4.92 | 153,716 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,676 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,577 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,818 |
| US States with an Empty Map | 0 | - | 5.00 | 625,832 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,681 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,471 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,317 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,770 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 160,252 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,932 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,395 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,655 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,426 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,919 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,590 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,698 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,338 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,458 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 165,613 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,048 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,705 |
| James Bond Countries Visited Map | 0 | - | 4.99 | 64,381 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,649 |
| Most-Visited Countries by Popes | 0 | - | 4.56 | 83,846 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 70,082 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,784 |
| Countries Bordering China Since 1914 | 0 | - | 4.92 | 95,523 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 89,469 |
| Rivers of the United States | 0 | - | 4.93 | 66,308 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,324 |
| U.S. Senators by State | 0 | - | 4.44 | 39,995 |
| Top 10 U.S. States by Republican Party Support | 0 | - | 4.44 | 75,597 |
| Top 10 U.S. States by Democratic Party Support | 0 | - | 4.63 | 81,439 |
| Top 10 U.S. Swing States in the 2024 Election | 0 | - | 4.51 | 75,279 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 426,971 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,542 |
| Stephen Curry Quiz | 0 | - | 4.37 | 67,076 |
| History of Florida | 0 | - | 4.45 | 9,840 |
| Hawaiian Islands | 0 | - | 4.83 | 42,767 |
| Movies Set in Chicago | 0 | - | 4.46 | 28,206 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,239 |
| Movies Set in Las Vegas | 0 | - | 4.13 | 32,145 |
| History of Texas | 0 | - | 4.43 | 14,650 |
| LeBron James Trivia | 0 | - | 4.01 | 171,150 |
| LeBron... or Kobe? | 0 | - | 4.04 | 70,145 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,368 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,543,952 |
| U.S. State Flags | 0 | - | 4.88 | 171,230 |
| U.S. States that Border Canada | 0 | - | 4.91 | 185,466 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 209,394 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 221,250 |
| Category Elimination - U.S. States #2 | 0 | - | 4.83 | 134,562 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,643 |
| Random U.S. States on a Map | 0 | - | 4.96 | 627,654 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,254 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,889 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,299 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,984 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,218 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,901 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,724 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,179 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,682 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,991 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 82,956 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 220,689 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,585 |
| Territories of the United States | 0 | - | 4.80 | 52,458 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,609 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,733 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,659 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,210 |
| United States Country Quiz | 0 | - | 4.43 | 101,687 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,279 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,938 |
| Name a Valid Answer - United States #1 | 0 | - | 4.63 | 94,118 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,531 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 192,529 |
| American Revolution Decoder | 0 | - | 4.10 | 20,969 |
| History of California | 0 | - | 4.40 | 18,767 |
| Movies Set in San Francisco | 0 | - | 4.23 | 19,943 |
| Movies Set in Miami | 0 | - | 4.32 | 16,704 |
| History of Georgia (U.S. State) | 0 | - | 4.30 | 13,240 |
| History of Illinois | 0 | - | 4.24 | 11,232 |
| History of Maryland | 0 | - | 4.06 | 6,701 |
| History of Massachusetts | 0 | - | 4.14 | 8,400 |
| Movies and TV Shows Set in Boston | 0 | - | 4.17 | 9,784 |
| History of Michigan | 0 | - | 4.26 | 6,955 |
| New York City Geography | 0 | - | 4.42 | 33,125 |
| History of New York | 0 | - | 4.36 | 16,373 |
| History of New Jersey | 0 | - | 4.38 | 7,274 |
| History of Ohio | 0 | - | 4.14 | 7,357 |
| Movies Set in Pennsylvania | 0 | - | 4.19 | 11,569 |
| History of Tennessee | 0 | - | 4.29 | 7,673 |
| History of Washington State | 0 | - | 4.27 | 6,886 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,387 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.70 | 1,393,539 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.82 | 56,041 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,684,846 |
| Europe Map Quiz | 0 | - | 5.00 | 4,769,730 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,425 |
| Countries of Europe After World War II | 0 | - | 4.99 | 188,670 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 156,812 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,221 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.97 | 144,919 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 126,183 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 72,250 |
| Biggest British Empire Countries | 0 | - | 4.74 | 100,164 |
| Vatican City Country Quiz | 0 | - | 4.53 | 44,449 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 58,084 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 60,047 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,353 |
| Georgia ... or Georgia? | 0 | - | 4.67 | 76,853 |
| Modern Day Countries of the Mughal Empire on a Map | 0 | - | 4.42 | 33,699 |
| Countries of Africa | 0 | - | 5.00 | 2,543,737 |
| Flags of Africa Quiz | 0 | - | 5.00 | 472,869 |
| Africa Map Quiz | 0 | - | 5.00 | 2,121,234 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,065 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,548 |
| African East Coast | 0 | - | 4.96 | 96,253 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,105 |
| Oceania Map Quiz | 0 | - | 4.98 | 643,630 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,857 |
| Australian Capitals | 0 | - | 4.92 | 62,746 |
| Australia Map Quiz | 0 | - | 4.95 | 344,998 |
| Flags of North and South America | 0 | - | 4.99 | 374,129 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,498 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,926 |
| South America Map Quiz | 0 | - | 5.00 | 1,551,474 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,025,450 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,511 |
| Top U.S. Universities | 0 | - | 4.15 | 145,340 |
| Largest United States Airlines | 0 | - | 4.39 | 55,068 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 747,920 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,447 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,354 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,733 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 51,947 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,664 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 209,783 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,714 |
| Rust Belt Cities Map Quiz | 0 | - | 4.57 | 35,156 |
| Arms Exports - United States | 0 | - | 4.77 | 62,505 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.12 | 41,072 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 80,028 |
| U.S. States by Governor | 0 | - | 4.43 | 18,078 |
