| Most-Visited Countries by U.S. Presidents | 0 | - | 4.97 | 195,018 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 428,995 |
| The John F. Kennedy Presidency | 0 | - | 4.47 | 43,972 |
| The Jimmy Carter Presidency | 0 | - | 4.41 | 19,250 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 383,995 |
| The Richard Nixon Presidency | 0 | - | 4.05 | 22,112 |
| U.S. Presidents by State | 0 | - | 4.34 | 68,876 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 235,516 |
| U.S. Presidents With Facial Hair By Picture | 0 | - | 4.48 | 23,373 |
| Random U.S. States on a Map | 0 | - | 4.96 | 631,503 |
| People in Pictures with Ronald Reagan | 0 | - | 4.35 | 40,959 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,761 |
| United States Map Quiz | 0 | - | 4.98 | 4,174,282 |
| U.S. Presidential Quotes | 0 | - | 4.37 | 44,625 |
| The George W. Bush Presidency | 0 | - | 4.06 | 32,299 |
| The Bill Clinton Presidency | 0 | - | 4.24 | 31,561 |
| The George H. W. Bush Presidency | 0 | - | 4.36 | 21,564 |
| The Ronald Reagan Presidency | 0 | - | 4.26 | 24,911 |
| US Presidents - One Minute Sprint | 0 | - | 4.41 | 306,478 |
| U.S. Map with Random Merged States | 0 | - | 4.94 | 304,348 |
| U.S. President Scramble | 0 | - | 4.40 | 117,590 |
| Countries of the Soviet Union | 0 | - | 4.98 | 195,742 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,989 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 241,033 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 114,048 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 76,109 |
| The Barack Obama Presidency | 0 | - | 4.14 | 25,535 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 75,312 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,353 |
| US States Quiz | 0 | - | 5.00 | 17,031,251 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,832 |
| Soviet Union Country Quiz | 0 | - | 4.91 | 81,255 |
| Vietnam War Countries | 0 | - | 4.82 | 94,780 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,628 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,615 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,978 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 247,215 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 336,517 |
| Pixelated United States Map | 0 | - | 4.89 | 95,031 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,805 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,653 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,193 |
| Win the U.S. Presidential Election | 0 | - | 4.79 | 637,773 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,732,924 |
| Random U.S. Presidents by Picture | 0 | - | 4.40 | 66,670 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,851 |
| Six Flags Over Texas | 0 | - | 4.78 | 63,687 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 192,082 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 119,245 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 112,488 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,501 |
| U.S. States with Short Names | 0 | - | 4.91 | 150,581 |
| U.S. States that Start with M | 0 | - | 4.94 | 188,643 |
| U.S. States By Population | 0 | - | 4.92 | 154,303 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,429 |
| U.S. States with Longest Names | 0 | - | 4.85 | 45,017 |
| US States with an Empty Map | 0 | - | 5.00 | 629,846 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 83,199 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,971 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 89,017 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,619 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 66,249 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 161,211 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 178,341 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,795 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,890 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,742 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 68,088 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 117,174 |
| Vatican City Country Quiz | 0 | - | 4.53 | 44,731 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 73,140 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,860 |
| 10 Longest Rivers in the United States | 0 | - | 4.86 | 39,477 |
| Rivers of the United States | 0 | - | 4.93 | 66,833 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,452 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,993 |
| Top 10 U.S. States by Republican Party Support | 0 | - | 4.44 | 75,895 |
| Top 10 U.S. States by Democratic Party Support | 0 | - | 4.63 | 81,782 |
| Countries Closest to Alaska | 0 | - | 4.93 | 125,375 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,737 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 511,250 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,492 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,964 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 50,326 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 126,103 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,755 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 93,035 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,616 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 83,137 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,303 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 97,465 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 134,675 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 166,686 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 105,051 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 99,231 |
| James Bond Countries Visited Map | 0 | - | 4.99 | 64,923 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 238,667 |
| Most-Visited Countries by Popes | 0 | - | 4.56 | 84,284 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 70,684 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 83,602 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 95,964 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 90,150 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 223,282 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,867 |
| U.S. Senators by State | 0 | - | 4.44 | 40,153 |
| Top 10 U.S. Swing States in the 2024 Election | 0 | - | 4.51 | 75,501 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 194,106 |
| George Bush... or George Bush | 0 | - | 3.98 | 8,243 |
| Stephen Curry Quiz | 0 | - | 4.37 | 67,454 |
| History of Florida | 0 | - | 4.45 | 9,891 |
| Hawaiian Islands | 0 | - | 4.83 | 43,041 |
| Movies Set in Chicago | 0 | - | 4.46 | 28,246 |
| Movies Set in Las Vegas | 0 | - | 4.13 | 32,196 |
| History of Texas | 0 | - | 4.43 | 14,707 |
| LeBron James Trivia | 0 | - | 4.02 | 171,910 |
| LeBron... or Kobe? | 0 | - | 4.04 | 70,613 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,591 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,559,403 |
| U.S. State Flags | 0 | - | 4.88 | 173,671 |
| U.S. States that Border Canada | 0 | - | 4.91 | 187,176 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 222,876 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 135,932 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,565 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,237 |
| Neutral European Countries of WWII | 0 | - | 4.92 | 162,604 |
| Countries of Europe After World War II | 0 | - | 4.99 | 189,738 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 157,796 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,940 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.89 | 114,615 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 102,470 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 127,126 |
| Top 100 Harry Potter Characters by Mention | 0 | - | 4.93 | 398,195 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 58,355 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,713 |
| U.S. Geography by Letter - B | 0 | - | 4.54 | 70,178 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 58,639 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,816 |
| Territories of the United States | 0 | - | 4.80 | 52,688 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,702 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,944 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 750,533 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 176,297 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,301 |
| United States Country Quiz | 0 | - | 4.43 | 102,389 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,616 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 77,117 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 210,809 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 94,516 |
| U.S. Highway Signs By State | 0 | - | 4.47 | 15,606 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 69,503 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 80,218 |
| Movies with America in the Title | 0 | - | 4.17 | 28,810 |
| American Revolution Decoder | 0 | - | 4.12 | 21,005 |
| History of California | 0 | - | 4.40 | 18,809 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.43 | 60,179 |
| Movies Set in San Francisco | 0 | - | 4.23 | 19,967 |
| Movies Set in Miami | 0 | - | 4.32 | 16,725 |
| History of Georgia (U.S. State) | 0 | - | 4.30 | 13,273 |
| History of Illinois | 0 | - | 4.24 | 11,265 |
| History of Maryland | 0 | - | 4.06 | 6,746 |
| History of Massachusetts | 0 | - | 4.14 | 8,445 |
| Movies and TV Shows Set in Boston | 0 | - | 4.17 | 9,807 |
| Players With TD Receptions From Tom Brady | 0 | - | 4.18 | 13,571 |
| Tom Brady Quiz | 0 | - | 4.17 | 15,739 |
| History of Michigan | 0 | - | 4.26 | 6,998 |
| New York City Geography | 0 | - | 4.43 | 33,209 |
| History of New York | 0 | - | 4.36 | 16,435 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,571 |
| History of New Jersey | 0 | - | 4.38 | 7,320 |
| History of Ohio | 0 | - | 4.14 | 7,394 |
| Cleveland Browns QBs Since 1999 | 0 | - | 4.31 | 7,877 |
| Movies Set in Pennsylvania | 0 | - | 4.19 | 11,590 |
| History of Tennessee | 0 | - | 4.29 | 7,697 |
| History of Washington State | 0 | - | 4.27 | 6,925 |
| New England States | 0 | - | 4.51 | 59,916 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.70 | 1,400,426 |
| U.S. States by Land Area | 0 | - | 4.55 | 53,124 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,141 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 83,254 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.82 | 56,400 |
| US States by Borders in 30 Seconds | 0 | - | 4.69 | 2,696,624 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,352 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.75 | 41,201 |
| U.S. States by Borders | 0 | - | 4.61 | 35,521 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 189,413 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,732 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,418 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,493 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,999 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.74 | 33,281 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,859 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,548 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,545 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,916 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 91,483 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 85,363 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,624 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 83,188 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 60,352 |
| Native American Tribes in the US | 0 | - | 4.74 | 25,768 |
