| Most-Visited Countries by U.S. Presidents | 0 | - | 4.97 | 195,027 |
| U.S. Presidents by State | 0 | - | 4.34 | 68,879 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 384,025 |
| The Jimmy Carter Presidency | 0 | - | 4.41 | 19,252 |
| The Richard Nixon Presidency | 0 | - | 4.05 | 22,113 |
| People in Pictures with Ronald Reagan | 0 | - | 4.35 | 40,966 |
| The John F. Kennedy Presidency | 0 | - | 4.47 | 43,975 |
| Presidential Actors | 0 | - | 4.36 | 19,270 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 235,536 |
| U.S. Map with Random Merged States | 0 | - | 4.94 | 304,371 |
| United States Map Quiz | 0 | - | 4.98 | 4,174,448 |
| Random U.S. Presidents by Picture | 0 | - | 4.40 | 66,671 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 114,054 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,858 |
| Countries of the Soviet Union | 0 | - | 4.98 | 195,754 |
| Soviet Union Country Quiz | 0 | - | 4.91 | 81,261 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,999 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,639 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 241,048 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,623 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 76,117 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 176,031 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 247,266 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 336,583 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,201 |
| Win the U.S. Presidential Election | 0 | - | 4.79 | 637,970 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,733,455 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 75,327 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,863 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,356 |
| US States Quiz | 0 | - | 5.00 | 17,033,899 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,989 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 117,194 |
| Vietnam War Countries | 0 | - | 4.82 | 94,787 |
| 10 Longest Rivers in the United States | 0 | - | 4.86 | 39,480 |
| Pixelated United States Map | 0 | - | 4.89 | 95,047 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,827 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,667 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,471 |
| Countries that Beat the United States | 0 | - | 4.93 | 169,022 |
| U.S. Presidential Quotes | 0 | - | 4.37 | 44,628 |
| The Bill Clinton Presidency | 0 | - | 4.24 | 31,563 |
| The George H. W. Bush Presidency | 0 | - | 4.36 | 21,567 |
| The Ronald Reagan Presidency | 0 | - | 4.26 | 24,913 |
| Six Flags Over Texas | 0 | - | 4.78 | 63,693 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 192,099 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 119,256 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 511,319 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 112,499 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,508 |
| U.S. States with Short Names | 0 | - | 4.91 | 150,595 |
| U.S. States that Start with M | 0 | - | 4.94 | 188,664 |
| U.S. States By Population | 0 | - | 4.92 | 154,316 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,444 |
| U.S. States with Longest Names | 0 | - | 4.85 | 45,019 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,504 |
| US States with an Empty Map | 0 | - | 5.00 | 629,932 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 83,203 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 89,027 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,621 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 66,260 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 161,225 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 178,345 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,802 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,893 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,748 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,627 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 83,144 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 68,096 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 97,486 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 134,699 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 166,697 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 105,072 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 99,235 |
| James Bond Countries Visited Map | 0 | - | 4.99 | 64,941 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 238,682 |
| Most-Visited Countries by Popes | 0 | - | 4.56 | 84,297 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 70,698 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 73,145 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 95,973 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 90,169 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,867 |
| Rivers of the United States | 0 | - | 4.93 | 66,841 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,878 |
| U.S. Senators by State | 0 | - | 4.44 | 40,156 |
| Top 10 U.S. States by Republican Party Support | 0 | - | 4.44 | 75,903 |
| Top 10 U.S. States by Democratic Party Support | 0 | - | 4.63 | 81,789 |
| Top 10 U.S. Swing States in the 2024 Election | 0 | - | 4.51 | 75,505 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 429,022 |
| Countries Closest to Alaska | 0 | - | 4.93 | 125,392 |
| Stephen Curry Quiz | 0 | - | 4.37 | 67,457 |
| History of Florida | 0 | - | 4.45 | 9,892 |
| Hawaiian Islands | 0 | - | 4.83 | 43,046 |
| Movies Set in Chicago | 0 | - | 4.46 | 28,248 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,748 |
| Movies Set in Las Vegas | 0 | - | 4.13 | 32,198 |
| History of Texas | 0 | - | 4.43 | 14,707 |
| LeBron James Trivia | 0 | - | 4.02 | 171,924 |
| LeBron... or Kobe? | 0 | - | 4.05 | 70,617 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,596 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,559,677 |
| U.S. State Flags | 0 | - | 4.88 | 173,709 |
| U.S. States that Border Canada | 0 | - | 4.91 | 187,201 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,991 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 222,912 |
| Category Elimination - U.S. States #2 | 0 | - | 4.83 | 135,950 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 50,342 |
| Random U.S. States on a Map | 0 | - | 4.96 | 631,594 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 126,113 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,769 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 93,059 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,310 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,577 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,241 |
| Neutral European Countries of WWII | 0 | - | 4.92 | 162,619 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,949 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.89 | 114,652 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 102,474 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 83,616 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 223,330 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,819 |
| Territories of the United States | 0 | - | 4.80 | 52,691 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,703 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,946 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 176,311 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,303 |
| United States Country Quiz | 0 | - | 4.43 | 102,399 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,619 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 77,119 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 94,527 |
| U.S. Highway Signs By State | 0 | - | 4.47 | 15,607 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 194,134 |
| American Revolution Decoder | 0 | - | 4.12 | 21,006 |
| History of California | 0 | - | 4.40 | 18,809 |
| 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 | 6,748 |
| History of Massachusetts | 0 | - | 4.14 | 8,445 |
| Movies and TV Shows Set in Boston | 0 | - | 4.17 | 9,813 |
| History of Michigan | 0 | - | 4.26 | 6,998 |
| New York City Geography | 0 | - | 4.43 | 33,210 |
| History of New York | 0 | - | 4.36 | 16,435 |
| History of New Jersey | 0 | - | 4.38 | 7,324 |
| History of Ohio | 0 | - | 4.14 | 7,395 |
| Movies Set in Pennsylvania | 0 | - | 4.19 | 11,594 |
| History of Tennessee | 0 | - | 4.29 | 7,697 |
| History of Washington State | 0 | - | 4.27 | 6,925 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,769 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.70 | 1,400,509 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.82 | 56,405 |
| US States by Borders in 30 Seconds | 0 | - | 4.69 | 2,696,773 |
| Europe Map Quiz | 0 | - | 5.00 | 4,795,547 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 533,286 |
| Countries of Europe After World War II | 0 | - | 4.99 | 189,758 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 157,821 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,421 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.97 | 146,174 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 127,148 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 72,585 |
| Biggest British Empire Countries | 0 | - | 4.74 | 100,652 |
| Vatican City Country Quiz | 0 | - | 4.53 | 44,740 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 58,362 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 60,274 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,720 |
| Oceania Map Quiz | 0 | - | 4.98 | 660,876 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,664 |
| Australian Capitals | 0 | - | 4.92 | 62,887 |
| Australia Map Quiz | 0 | - | 4.95 | 346,652 |
| Flags of North and South America | 0 | - | 4.99 | 378,570 |
| U.S. Geography by Letter - B | 0 | - | 4.54 | 70,183 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 58,654 |
| South America Map Quiz | 0 | - | 5.00 | 1,559,157 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,034,117 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,660 |
| Top U.S. Universities | 0 | - | 4.15 | 146,065 |
| Largest United States Airlines | 0 | - | 4.39 | 55,192 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 750,581 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,500 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,486 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,785 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 53,151 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,750 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 210,831 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,930 |
| Rust Belt Cities Map Quiz | 0 | - | 4.57 | 35,331 |
| Arms Exports - United States | 0 | - | 4.77 | 62,829 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 69,509 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.12 | 41,227 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 80,222 |
| U.S. States by Governor | 0 | - | 4.43 | 18,131 |
| U.S. Bill of Rights | 0 | - | 4.52 | 35,141 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,790 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,818 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 109,712 |
| U.S. Presidents by Event | 0 | - | 4.58 | 35,521 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.62 | 94,802 |
| Presidential Middle Names | 0 | - | 4.42 | 60,843 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 53,769 |
