| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 192,930 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 424,688 |
| The John F. Kennedy Presidency | 0 | - | 4.47 | 43,560 |
| Presidential Actors | 0 | - | 4.36 | 19,101 |
| The Jimmy Carter Presidency | 0 | - | 4.41 | 19,067 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 380,190 |
| The Richard Nixon Presidency | 0 | - | 4.05 | 21,952 |
| U.S. Presidents by State | 0 | - | 4.34 | 68,562 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 233,715 |
| People in Pictures with Ronald Reagan | 0 | - | 4.35 | 40,523 |
| U.S. Presidents With Facial Hair By Picture | 0 | - | 4.48 | 23,072 |
| Random U.S. States on a Map | 0 | - | 4.96 | 623,214 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 128,864 |
| United States Map Quiz | 0 | - | 4.98 | 4,146,919 |
| U.S. Presidential Quotes | 0 | - | 4.37 | 44,397 |
| The George W. Bush Presidency | 0 | - | 4.06 | 32,118 |
| The Bill Clinton Presidency | 0 | - | 4.22 | 31,389 |
| The George H. W. Bush Presidency | 0 | - | 4.36 | 21,443 |
| The Ronald Reagan Presidency | 0 | - | 4.26 | 24,753 |
| US Presidents - One Minute Sprint | 0 | - | 4.41 | 304,013 |
| U.S. Map with Random Merged States | 0 | - | 4.94 | 300,665 |
| U.S. President Scramble | 0 | - | 4.40 | 116,407 |
| Countries of the Soviet Union | 0 | - | 4.98 | 194,140 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,151 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,708 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,504 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,107 |
| The Barack Obama Presidency | 0 | - | 4.16 | 25,303 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,361 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,649 |
| US States Quiz | 0 | - | 5.00 | 16,762,151 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,152 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,425 |
| Vietnam War Countries | 0 | - | 4.83 | 93,843 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,904 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,494 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,943 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,643 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,965 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 329,363 |
| Pixelated United States Map | 0 | - | 4.89 | 93,746 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,894 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,169 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,642 |
| Win the U.S. Presidential Election | 0 | - | 4.80 | 621,597 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,670,025 |
| Random U.S. Presidents by Picture | 0 | - | 4.39 | 65,952 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.84 | 65,848 |
| Six Flags Over Texas | 0 | - | 4.78 | 63,118 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,647 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,227 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,817 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,814 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,223 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,466 |
| U.S. States By Population | 0 | - | 4.92 | 152,700 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,791 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,104 |
| US States with an Empty Map | 0 | - | 5.00 | 620,872 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,118 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,962 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,876 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,940 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 65,187 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,399 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,286 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,754 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,239 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,904 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,091 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,336 |
| Vatican City Country Quiz | 0 | - | 4.53 | 44,140 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,409 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,912 |
| Rivers of the United States | 0 | - | 4.93 | 65,747 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,741 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,033 |
| Top 10 U.S. States by Republican Party Support | 0 | - | 4.44 | 75,276 |
| Top 10 U.S. States by Democratic Party Support | 0 | - | 4.63 | 81,042 |
| George Bush... or George Bush | 0 | - | 3.98 | 8,188 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,702 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,694 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 503,629 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,986 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 207,416 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,903 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,147 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,000 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,428 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,331 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,139 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,667 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,196 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,385 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,801 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 103,089 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,055 |
| James Bond Countries Visited Map | 0 | - | 4.99 | 63,801 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,754 |
| Most-Visited Countries by Popes | 0 | - | 4.55 | 83,354 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 69,451 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 82,138 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,905 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 88,738 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 217,805 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,733 |
| U.S. Senators by State | 0 | - | 4.45 | 39,826 |
| Top 10 U.S. Swing States in the 2024 Election | 0 | - | 4.51 | 75,016 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 190,506 |
| Stephen Curry Quiz | 0 | - | 4.36 | 66,557 |
| History of Florida | 0 | - | 4.45 | 9,785 |
| Hawaiian Islands | 0 | - | 4.83 | 42,530 |
| Movies Set in Chicago | 0 | - | 4.46 | 28,160 |
| Movies Set in Las Vegas | 0 | - | 4.13 | 32,108 |
| History of Texas | 0 | - | 4.43 | 14,574 |
| LeBron James Trivia | 0 | - | 4.01 | 170,219 |
| LeBron... or Kobe? | 0 | - | 4.04 | 69,461 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,188 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,525,009 |
| U.S. State Flags | 0 | - | 4.89 | 168,436 |
| U.S. States that Border Canada | 0 | - | 4.91 | 183,407 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 219,327 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 133,112 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,826 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,828 |
| Countries of Europe After World War II | 0 | - | 4.99 | 187,512 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,782 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,413 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,414 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,541 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 125,118 |
| Top 100 Harry Potter Characters by Mention | 0 | - | 4.93 | 391,177 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,730 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,000 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,208 |
| Random Sequential African Countries on a Map | 0 | - | 5.00 | 127,065 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 68,944 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,428 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,368 |
| Territories of the United States | 0 | - | 4.79 | 52,236 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,507 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.78 | 39,462 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 744,763 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,896 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,118 |
| United States Country Quiz | 0 | - | 4.43 | 100,942 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 51,909 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,705 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 208,327 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,651 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,419 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,824 |
| Movies with America in the Title | 0 | - | 4.17 | 28,731 |
| American Revolution Decoder | 0 | - | 4.10 | 20,898 |
| History of California | 0 | - | 4.40 | 18,712 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 59,701 |
| Movies Set in San Francisco | 0 | - | 4.23 | 19,921 |
| Movies Set in Miami | 0 | - | 4.32 | 16,683 |
| History of Georgia (U.S. State) | 0 | - | 4.30 | 13,192 |
| History of Illinois | 0 | - | 4.24 | 11,191 |
| History of Maryland | 0 | - | 4.06 | 6,665 |
| History of Massachusetts | 0 | - | 4.14 | 8,350 |
| Movies and TV Shows Set in Boston | 0 | - | 4.17 | 9,751 |
| Players With TD Receptions From Tom Brady | 0 | - | 4.18 | 13,458 |
| Tom Brady Quiz | 0 | - | 4.15 | 15,591 |
| History of Michigan | 0 | - | 4.26 | 6,917 |
| New York City Geography | 0 | - | 4.42 | 33,006 |
| History of New York | 0 | - | 4.36 | 16,305 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,236 |
| History of New Jersey | 0 | - | 4.38 | 7,224 |
| History of Ohio | 0 | - | 4.14 | 7,319 |
| Cleveland Browns QBs Since 1999 | 0 | - | 4.31 | 7,735 |
| Movies Set in Pennsylvania | 0 | - | 4.19 | 11,534 |
| History of Tennessee | 0 | - | 4.29 | 7,642 |
| History of Washington State | 0 | - | 4.27 | 6,848 |
| New England States | 0 | - | 4.51 | 59,738 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,384,487 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,604 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,936 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,522 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,723 |
| US States by Borders in 30 Seconds | 0 | - | 4.69 | 2,670,387 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 55,791 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,764 |
| U.S. States by Borders | 0 | - | 4.63 | 35,168 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,340 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,736 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,063 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,428 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.70 | 32,877 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,493 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 74,999 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,266 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,519 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 90,510 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,516 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,242 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,111 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,733 |
| Native American Tribes in the US | 0 | - | 4.72 | 25,312 |
