| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 193,910 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 427,115 |
| The John F. Kennedy Presidency | 0 | - | 4.47 | 43,803 |
| Play-Doh Presidents | 0 | - | 5.00 | 82,495 |
| The Jimmy Carter Presidency | 0 | - | 4.41 | 19,162 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 382,367 |
| The Richard Nixon Presidency | 0 | - | 4.05 | 22,040 |
| U.S. Presidents by State | 0 | - | 4.34 | 68,732 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 234,750 |
| People in Pictures with Ronald Reagan | 0 | - | 4.35 | 40,761 |
| U.S. Presidents With Facial Hair By Picture | 0 | - | 4.48 | 23,229 |
| Random U.S. States on a Map | 0 | - | 4.96 | 627,905 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,413 |
| United States Map Quiz | 0 | - | 4.98 | 4,163,900 |
| U.S. Presidential Quotes | 0 | - | 4.37 | 44,539 |
| The George W. Bush Presidency | 0 | - | 4.06 | 32,212 |
| The Bill Clinton Presidency | 0 | - | 4.24 | 31,484 |
| The George H. W. Bush Presidency | 0 | - | 4.36 | 21,516 |
| The Ronald Reagan Presidency | 0 | - | 4.26 | 24,846 |
| US Presidents - One Minute Sprint | 0 | - | 4.41 | 305,421 |
| U.S. Map with Random Merged States | 0 | - | 4.94 | 303,033 |
| U.S. President Scramble | 0 | - | 4.40 | 117,067 |
| Countries of the Soviet Union | 0 | - | 4.98 | 194,824 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,624 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,768 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,812 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,627 |
| The Barack Obama Presidency | 0 | - | 4.13 | 25,426 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,425 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,042 |
| US States Quiz | 0 | - | 5.00 | 16,922,228 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,686 |
| Soviet Union Country Quiz | 0 | - | 4.91 | 80,869 |
| Vietnam War Countries | 0 | - | 4.82 | 94,370 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,130 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,893 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,891 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,921 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 333,250 |
| Pixelated United States Map | 0 | - | 4.88 | 94,491 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,965 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,013 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,945 |
| Win the U.S. Presidential Election | 0 | - | 4.78 | 630,318 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,709,417 |
| Random U.S. Presidents by Picture | 0 | - | 4.40 | 66,344 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,416 |
| Six Flags Over Texas | 0 | - | 4.78 | 63,455 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,220 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,144 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,738 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 113,688 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,364 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,683 |
| U.S. States By Population | 0 | - | 4.92 | 153,758 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,741 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,608 |
| US States with an Empty Map | 0 | - | 5.00 | 626,132 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,716 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,850 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,528 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,339 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,805 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 160,303 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,964 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,429 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,676 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,457 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,737 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,289 |
| Vatican City Country Quiz | 0 | - | 4.53 | 44,469 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,808 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,433 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,247 |
| Rivers of the United States | 0 | - | 4.93 | 66,366 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,716 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,853 |
| Top 10 U.S. States by Republican Party Support | 0 | - | 4.44 | 75,614 |
| Top 10 U.S. States by Democratic Party Support | 0 | - | 4.63 | 81,459 |
| George Bush... or George Bush | 0 | - | 3.98 | 8,213 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,605 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,257 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 507,962 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,860 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 209,513 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,682 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,341 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,979 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,362 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,958 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,618 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 62,018 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,406 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,540 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 165,671 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,126 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,755 |
| James Bond Countries Visited Map | 0 | - | 4.99 | 64,414 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,722 |
| Most-Visited Countries by Popes | 0 | - | 4.56 | 83,885 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 70,127 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 83,016 |
| Countries Bordering China Since 1914 | 0 | - | 4.92 | 95,579 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 89,527 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 220,896 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,359 |
| U.S. Senators by State | 0 | - | 4.44 | 40,006 |
| Top 10 U.S. Swing States in the 2024 Election | 0 | - | 4.51 | 75,296 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 192,653 |
| Stephen Curry Quiz | 0 | - | 4.37 | 67,109 |
| History of Florida | 0 | - | 4.45 | 9,844 |
| Hawaiian Islands | 0 | - | 4.83 | 42,781 |
| Movies Set in Chicago | 0 | - | 4.46 | 28,208 |
| Movies Set in Las Vegas | 0 | - | 4.13 | 32,148 |
| History of Texas | 0 | - | 4.43 | 14,654 |
| LeBron James Trivia | 0 | - | 4.01 | 171,210 |
| LeBron... or Kobe? | 0 | - | 4.04 | 70,192 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,389 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,545,531 |
| U.S. State Flags | 0 | - | 4.88 | 171,389 |
| U.S. States that Border Canada | 0 | - | 4.91 | 185,618 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 221,430 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 134,656 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,240 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,927 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,804 |
| Countries of Europe After World War II | 0 | - | 4.99 | 188,758 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 156,891 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,238 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,696 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 102,026 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 126,247 |
| Top 100 Harry Potter Characters by Mention | 0 | - | 4.93 | 395,252 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 58,101 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,379 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,685 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 53,123 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,601 |
| Territories of the United States | 0 | - | 4.80 | 52,476 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,618 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,745 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 748,119 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,707 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,218 |
| United States Country Quiz | 0 | - | 4.43 | 101,745 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,297 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,971 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 209,868 |
| Name a Valid Answer - United States #1 | 0 | - | 4.63 | 94,147 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,534 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 69,260 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 80,040 |
| Movies with America in the Title | 0 | - | 4.17 | 28,773 |
| American Revolution Decoder | 0 | - | 4.10 | 20,971 |
| History of California | 0 | - | 4.40 | 18,769 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.43 | 59,966 |
| Movies Set in San Francisco | 0 | - | 4.23 | 19,944 |
| Movies Set in Miami | 0 | - | 4.32 | 16,704 |
| History of Georgia (U.S. State) | 0 | - | 4.30 | 13,241 |
| History of Illinois | 0 | - | 4.24 | 11,235 |
| History of Maryland | 0 | - | 4.06 | 6,704 |
| History of Massachusetts | 0 | - | 4.14 | 8,405 |
| Movies and TV Shows Set in Boston | 0 | - | 4.17 | 9,785 |
| Players With TD Receptions From Tom Brady | 0 | - | 4.18 | 13,528 |
| Tom Brady Quiz | 0 | - | 4.15 | 15,686 |
| History of Michigan | 0 | - | 4.26 | 6,961 |
| New York City Geography | 0 | - | 4.42 | 33,129 |
| History of New York | 0 | - | 4.36 | 16,380 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,399 |
| History of New Jersey | 0 | - | 4.38 | 7,282 |
| History of Ohio | 0 | - | 4.14 | 7,361 |
| Cleveland Browns QBs Since 1999 | 0 | - | 4.31 | 7,825 |
| Movies Set in Pennsylvania | 0 | - | 4.19 | 11,570 |
| History of Tennessee | 0 | - | 4.29 | 7,675 |
| History of Washington State | 0 | - | 4.27 | 6,889 |
| New England States | 0 | - | 4.51 | 59,837 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.70 | 1,394,112 |
| U.S. States by Land Area | 0 | - | 4.63 | 52,903 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,041 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 82,927 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.82 | 56,071 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,685,672 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,124 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 41,011 |
| U.S. States by Borders | 0 | - | 4.61 | 35,381 |
| Save Americans by Guessing U.S. States | 0 | - | 4.63 | 186,553 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,549 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,150 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,277 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,755 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.74 | 33,108 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,754 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,300 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,427 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,757 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 91,080 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 85,031 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,479 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,764 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 60,090 |
