| Most-Visited Countries by U.S. Presidents | 0 | - | 4.97 | 195,043 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 429,046 |
| The John F. Kennedy Presidency | 0 | - | 4.47 | 43,979 |
| The Jimmy Carter Presidency | 0 | - | 4.41 | 19,253 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 384,068 |
| The Richard Nixon Presidency | 0 | - | 4.05 | 22,114 |
| U.S. Presidents by State | 0 | - | 4.34 | 68,883 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 235,550 |
| U.S. Presidents With Facial Hair By Picture | 0 | - | 4.48 | 23,376 |
| Random U.S. States on a Map | 0 | - | 4.96 | 631,665 |
| People in Pictures with Ronald Reagan | 0 | - | 4.35 | 40,972 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,775 |
| United States Map Quiz | 0 | - | 4.98 | 4,174,695 |
| U.S. Presidential Quotes | 0 | - | 4.37 | 44,630 |
| The George W. Bush Presidency | 0 | - | 4.06 | 32,304 |
| The Bill Clinton Presidency | 0 | - | 4.24 | 31,564 |
| The George H. W. Bush Presidency | 0 | - | 4.36 | 21,568 |
| The Ronald Reagan Presidency | 0 | - | 4.26 | 24,915 |
| US Presidents - One Minute Sprint | 0 | - | 4.41 | 306,522 |
| U.S. Map with Random Merged States | 0 | - | 4.94 | 304,404 |
| U.S. President Scramble | 0 | - | 4.40 | 117,603 |
| Countries of the Soviet Union | 0 | - | 4.98 | 195,766 |
| U.S. State Border Crossings | 0 | - | 4.97 | 97,007 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 241,062 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 114,055 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 76,121 |
| The Barack Obama Presidency | 0 | - | 4.14 | 25,539 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 75,345 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,361 |
| US States Quiz | 0 | - | 5.00 | 17,036,532 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,881 |
| Soviet Union Country Quiz | 0 | - | 4.91 | 81,271 |
| Vietnam War Countries | 0 | - | 4.82 | 94,794 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,649 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,641 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 176,050 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 247,327 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 336,672 |
| Pixelated United States Map | 0 | - | 4.89 | 95,058 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,857 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,684 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,211 |
| Win the U.S. Presidential Election | 0 | - | 4.79 | 638,186 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,734,079 |
| Random U.S. Presidents by Picture | 0 | - | 4.40 | 66,671 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,876 |
| Six Flags Over Texas | 0 | - | 4.78 | 63,698 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 192,121 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 119,278 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 112,511 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,521 |
| U.S. States with Short Names | 0 | - | 4.91 | 150,615 |
| U.S. States that Start with M | 0 | - | 4.94 | 188,687 |
| U.S. States By Population | 0 | - | 4.92 | 154,329 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,461 |
| U.S. States with Longest Names | 0 | - | 4.85 | 45,031 |
| US States with an Empty Map | 0 | - | 5.00 | 630,016 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 83,207 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 369,011 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 89,040 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,626 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 66,268 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 161,234 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 178,355 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,811 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,899 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,758 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 68,104 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 117,211 |
| Vatican City Country Quiz | 0 | - | 4.53 | 44,745 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 73,152 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,881 |
| 10 Longest Rivers in the United States | 0 | - | 4.86 | 39,487 |
| Rivers of the United States | 0 | - | 4.93 | 66,851 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,483 |
| Countries that Beat the United States | 0 | - | 4.93 | 169,041 |
| Top 10 U.S. States by Republican Party Support | 0 | - | 4.44 | 75,914 |
| Top 10 U.S. States by Democratic Party Support | 0 | - | 4.63 | 81,801 |
| Countries Closest to Alaska | 0 | - | 4.93 | 125,412 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,755 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 511,394 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,522 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 211,012 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 50,358 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 126,135 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,798 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 93,076 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,642 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 83,149 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,314 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 97,500 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 134,727 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 166,714 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 105,094 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 99,246 |
| James Bond Countries Visited Map | 0 | - | 4.99 | 64,960 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 238,703 |
| Most-Visited Countries by Popes | 0 | - | 4.56 | 84,302 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 70,709 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 83,629 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 95,982 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 90,180 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 223,383 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,886 |
| U.S. Senators by State | 0 | - | 4.44 | 40,158 |
| Top 10 U.S. Swing States in the 2024 Election | 0 | - | 4.51 | 75,515 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 194,172 |
| George Bush... or George Bush | 0 | - | 3.98 | 8,244 |
| Stephen Curry Quiz | 0 | - | 4.37 | 67,460 |
| History of Florida | 0 | - | 4.45 | 9,892 |
| Hawaiian Islands | 0 | - | 4.83 | 43,055 |
| Movies Set in Chicago | 0 | - | 4.46 | 28,248 |
| Movies Set in Las Vegas | 0 | - | 4.13 | 32,199 |
| History of Texas | 0 | - | 4.43 | 14,709 |
| LeBron James Trivia | 0 | - | 4.02 | 171,936 |
| LeBron... or Kobe? | 0 | - | 4.05 | 70,627 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,600 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,559,973 |
| U.S. State Flags | 0 | - | 4.88 | 173,757 |
| U.S. States that Border Canada | 0 | - | 4.91 | 187,251 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 222,937 |
| Category Elimination - U.S. States #2 | 0 | - | 4.83 | 135,975 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,585 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,249 |
| Neutral European Countries of WWII | 0 | - | 4.92 | 162,644 |
| Countries of Europe After World War II | 0 | - | 4.99 | 189,769 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 157,835 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,959 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.89 | 114,701 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 102,484 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 127,170 |
| Top 100 Harry Potter Characters by Mention | 0 | - | 4.93 | 398,321 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 58,370 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,728 |
| U.S. Geography by Letter - B | 0 | - | 4.54 | 70,190 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 58,674 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,830 |
| Territories of the United States | 0 | - | 4.80 | 52,696 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,706 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,954 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 750,645 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 176,327 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,307 |
| United States Country Quiz | 0 | - | 4.43 | 102,416 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,626 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 77,128 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 210,856 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 94,533 |
| U.S. Highway Signs By State | 0 | - | 4.47 | 15,608 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 69,516 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 80,227 |
| Movies with America in the Title | 0 | - | 4.17 | 28,810 |
| American Revolution Decoder | 0 | - | 4.12 | 21,006 |
| History of California | 0 | - | 4.40 | 18,810 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.43 | 60,188 |
| Movies Set in San Francisco | 0 | - | 4.23 | 19,968 |
| Movies Set in Miami | 0 | - | 4.32 | 16,726 |
| History of Georgia (U.S. State) | 0 | - | 4.30 | 13,273 |
| History of Illinois | 0 | - | 4.24 | 11,266 |
| History of Maryland | 0 | - | 4.06 | 6,749 |
| History of Massachusetts | 0 | - | 4.14 | 8,446 |
| Movies and TV Shows Set in Boston | 0 | - | 4.17 | 9,815 |
| Players With TD Receptions From Tom Brady | 0 | - | 4.18 | 13,571 |
| Tom Brady Quiz | 0 | - | 4.17 | 15,743 |
| History of Michigan | 0 | - | 4.26 | 7,000 |
| New York City Geography | 0 | - | 4.43 | 33,210 |
| History of New York | 0 | - | 4.36 | 16,435 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,582 |
| History of New Jersey | 0 | - | 4.38 | 7,325 |
| History of Ohio | 0 | - | 4.14 | 7,396 |
| Cleveland Browns QBs Since 1999 | 0 | - | 4.31 | 7,880 |
| Movies Set in Pennsylvania | 0 | - | 4.19 | 11,594 |
| History of Tennessee | 0 | - | 4.29 | 7,698 |
| History of Washington State | 0 | - | 4.27 | 6,927 |
| New England States | 0 | - | 4.51 | 59,919 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.70 | 1,400,611 |
| U.S. States by Land Area | 0 | - | 4.55 | 53,136 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,144 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 83,268 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.82 | 56,410 |
| US States by Borders in 30 Seconds | 0 | - | 4.69 | 2,696,945 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,365 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.75 | 41,204 |
| U.S. States by Borders | 0 | - | 4.61 | 35,526 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 189,493 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,738 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,428 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,497 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 100,008 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.74 | 33,286 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,864 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,556 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,550 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,921 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 91,505 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 85,379 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,639 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 83,204 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 60,362 |
| Native American Tribes in the US | 0 | - | 4.74 | 25,772 |
