| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 192,923 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 424,670 |
| The John F. Kennedy Presidency | 0 | - | 4.47 | 43,557 |
| Presidential Actors | 0 | - | 4.36 | 19,101 |
| The Jimmy Carter Presidency | 0 | - | 4.41 | 19,065 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 380,170 |
| The Richard Nixon Presidency | 0 | - | 4.05 | 21,951 |
| U.S. Presidents by State | 0 | - | 4.34 | 68,560 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 233,701 |
| People in Pictures with Ronald Reagan | 0 | - | 4.35 | 40,521 |
| U.S. Presidents With Facial Hair By Picture | 0 | - | 4.48 | 23,072 |
| Random U.S. States on a Map | 0 | - | 4.96 | 623,173 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 128,859 |
| United States Map Quiz | 0 | - | 4.98 | 4,146,843 |
| U.S. Presidential Quotes | 0 | - | 4.37 | 44,394 |
| The George W. Bush Presidency | 0 | - | 4.06 | 32,118 |
| The Bill Clinton Presidency | 0 | - | 4.22 | 31,388 |
| The George H. W. Bush Presidency | 0 | - | 4.36 | 21,443 |
| The Ronald Reagan Presidency | 0 | - | 4.26 | 24,750 |
| US Presidents - One Minute Sprint | 0 | - | 4.41 | 303,978 |
| U.S. Map with Random Merged States | 0 | - | 4.94 | 300,650 |
| U.S. President Scramble | 0 | - | 4.40 | 116,402 |
| Countries of the Soviet Union | 0 | - | 4.98 | 194,130 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,139 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,702 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,501 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,100 |
| The Barack Obama Presidency | 0 | - | 4.16 | 25,298 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,350 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,644 |
| US States Quiz | 0 | - | 5.00 | 16,760,532 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,140 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,419 |
| Vietnam War Countries | 0 | - | 4.83 | 93,838 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,898 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,489 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,936 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,631 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,932 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 329,318 |
| Pixelated United States Map | 0 | - | 4.89 | 93,738 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,883 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,161 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,632 |
| Win the U.S. Presidential Election | 0 | - | 4.80 | 621,494 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,669,706 |
| Random U.S. Presidents by Picture | 0 | - | 4.39 | 65,948 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.84 | 65,843 |
| Six Flags Over Texas | 0 | - | 4.78 | 63,115 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,644 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,211 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,809 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,810 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,214 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,454 |
| U.S. States By Population | 0 | - | 4.92 | 152,688 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,785 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,096 |
| US States with an Empty Map | 0 | - | 5.00 | 620,826 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,104 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,926 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,870 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,938 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 65,182 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,377 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,277 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,736 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,222 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,879 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,079 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,326 |
| Vatican City Country Quiz | 0 | - | 4.53 | 44,133 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,404 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,907 |
| Rivers of the United States | 0 | - | 4.93 | 65,738 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,729 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,022 |
| Top 10 U.S. States by Republican Party Support | 0 | - | 4.44 | 75,271 |
| Top 10 U.S. States by Democratic Party Support | 0 | - | 4.63 | 81,037 |
| George Bush... or George Bush | 0 | - | 3.98 | 8,188 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,695 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,684 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 503,595 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,976 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 207,407 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,893 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,142 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,990 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,421 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,321 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,134 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,664 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,186 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,371 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,790 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 103,080 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,045 |
| James Bond Countries Visited Map | 0 | - | 4.99 | 63,797 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,747 |
| Most-Visited Countries by Popes | 0 | - | 4.55 | 83,351 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 69,444 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 82,130 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,902 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 88,730 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 217,780 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,730 |
| U.S. Senators by State | 0 | - | 4.45 | 39,825 |
| Top 10 U.S. Swing States in the 2024 Election | 0 | - | 4.51 | 75,009 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 190,497 |
| Stephen Curry Quiz | 0 | - | 4.36 | 66,552 |
| History of Florida | 0 | - | 4.45 | 9,783 |
| Hawaiian Islands | 0 | - | 4.83 | 42,527 |
| 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 | 14,573 |
| LeBron James Trivia | 0 | - | 4.01 | 170,209 |
| LeBron... or Kobe? | 0 | - | 4.04 | 69,453 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,186 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,524,861 |
| U.S. State Flags | 0 | - | 4.89 | 168,412 |
| U.S. States that Border Canada | 0 | - | 4.91 | 183,390 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 219,308 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 133,100 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,826 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,811 |
| Countries of Europe After World War II | 0 | - | 4.99 | 187,450 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,759 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,406 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,408 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,533 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 125,108 |
| Top 100 Harry Potter Characters by Mention | 0 | - | 4.93 | 391,143 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,730 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,994 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,171 |
| Random Sequential African Countries on a Map | 0 | - | 5.00 | 127,063 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 68,939 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,426 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,367 |
| Territories of the United States | 0 | - | 4.79 | 52,234 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,507 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.78 | 39,460 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 744,723 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,889 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,117 |
| United States Country Quiz | 0 | - | 4.43 | 100,933 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 51,903 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,703 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 208,316 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,646 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,418 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,822 |
| Movies with America in the Title | 0 | - | 4.17 | 28,730 |
| American Revolution Decoder | 0 | - | 4.10 | 20,897 |
| History of California | 0 | - | 4.40 | 18,712 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 59,698 |
| Movies Set in San Francisco | 0 | - | 4.23 | 19,921 |
| Movies Set in Miami | 0 | - | 4.32 | 16,682 |
| 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 | 6,664 |
| 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 | 6,916 |
| New York City Geography | 0 | - | 4.42 | 33,005 |
| History of New York | 0 | - | 4.36 | 16,304 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,234 |
| 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 | 11,533 |
| History of Tennessee | 0 | - | 4.29 | 7,642 |
| History of Washington State | 0 | - | 4.27 | 6,848 |
| New England States | 0 | - | 4.51 | 59,737 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,384,422 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,603 |
| 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 | 82,517 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,722 |
| US States by Borders in 30 Seconds | 0 | - | 4.69 | 2,670,217 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 55,788 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,762 |
| U.S. States by Borders | 0 | - | 4.63 | 35,168 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,334 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,723 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,063 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,425 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.70 | 32,875 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,490 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 74,993 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,264 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,514 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 90,504 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,513 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,242 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,105 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,729 |
| Native American Tribes in the US | 0 | - | 4.72 | 25,311 |
