| Places Mentioned in the Song "Kokomo" | 0 | - | 4.44 | 17,082 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 428,736 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 383,787 |
| Random U.S. States on a Map | 0 | - | 4.96 | 630,944 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 194,871 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,700 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 235,375 |
| U.S. Map with Random Merged States | 0 | - | 4.94 | 304,125 |
| United States Map Quiz | 0 | - | 4.98 | 4,172,776 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 114,019 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,935 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,552 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,914 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,504 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 76,027 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,665 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 246,829 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 335,961 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,133 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,729,108 |
| US Presidents - One Minute Sprint | 0 | - | 4.41 | 306,345 |
| The John F. Kennedy Presidency | 0 | - | 4.47 | 43,948 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 75,124 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,784 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,307 |
| US States Quiz | 0 | - | 5.00 | 17,012,489 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,810 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,423 |
| Pixelated United States Map | 0 | - | 4.89 | 94,884 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,662 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,531 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,331 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,802 |
| U.S. Presidential Quotes | 0 | - | 4.37 | 44,616 |
| The George W. Bush Presidency | 0 | - | 4.06 | 32,291 |
| The Jimmy Carter Presidency | 0 | - | 4.41 | 19,237 |
| People in Pictures with Ronald Reagan | 0 | - | 4.35 | 40,941 |
| U.S. President Scramble | 0 | - | 4.40 | 117,517 |
| U.S. Presidents With Facial Hair By Picture | 0 | - | 4.48 | 23,365 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,914 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 119,141 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 510,644 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 112,375 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,407 |
| U.S. States with Short Names | 0 | - | 4.91 | 150,456 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,488 |
| U.S. States By Population | 0 | - | 4.92 | 154,214 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,322 |
| U.S. States with Longest Names | 0 | - | 4.85 | 44,942 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,408 |
| US States with an Empty Map | 0 | - | 5.00 | 629,264 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 83,143 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,933 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,572 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 66,166 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 161,133 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 178,294 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,736 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,856 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,697 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,547 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 83,078 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 68,029 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 97,314 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 134,520 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 99,156 |
| Rivers of the United States | 0 | - | 4.93 | 66,753 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,796 |
| Countries Closest to Alaska | 0 | - | 4.93 | 125,230 |
| Stephen Curry Quiz | 0 | - | 4.37 | 67,399 |
| Hawaiian Islands | 0 | - | 4.83 | 42,990 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,666 |
| LeBron James Trivia | 0 | - | 4.01 | 171,827 |
| LeBron... or Kobe? | 0 | - | 4.04 | 70,530 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,553 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,557,361 |
| U.S. State Flags | 0 | - | 4.89 | 173,262 |
| U.S. States that Border Canada | 0 | - | 4.91 | 186,903 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,717 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 222,631 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 135,731 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 50,193 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,948 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,606 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,941 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,241 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,508 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,195 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,831 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 222,934 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,783 |
| Territories of the United States | 0 | - | 4.80 | 52,651 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,684 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,914 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 176,189 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,290 |
| United States Country Quiz | 0 | - | 4.43 | 102,297 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,568 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 77,089 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 94,451 |
| U.S. Highway Signs By State | 0 | - | 4.47 | 15,590 |
| Presidential Actors | 0 | - | 4.36 | 19,261 |
| The Bill Clinton Presidency | 0 | - | 4.24 | 31,549 |
| The George H. W. Bush Presidency | 0 | - | 4.36 | 21,560 |
| The Ronald Reagan Presidency | 0 | - | 4.26 | 24,900 |
| The Richard Nixon Presidency | 0 | - | 4.05 | 22,106 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 193,940 |
| The Barack Obama Presidency | 0 | - | 4.14 | 25,519 |
| Star-Spangled Banner Lyrics | 0 | - | 4.36 | 179,941 |
| American Revolution Decoder | 0 | - | 4.12 | 21,000 |
| New York City Geography | 0 | - | 4.43 | 33,194 |
| Cleveland Browns QBs Since 1999 | 0 | - | 4.31 | 7,869 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.70 | 1,399,403 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.82 | 56,360 |
| States of Origin - American Popular Music | 0 | - | 4.22 | 10,715 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,694,396 |
| Europe Map Quiz | 0 | - | 5.00 | 4,791,315 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,828 |
| Countries that have Won the Most Eurovisions | 0 | - | 4.61 | 102,812 |
| Can You Name All Of One Direction's Songs? | 0 | - | 4.52 | 96,882 |
| Real Madrid 2010s Starting XI | 0 | - | 4.90 | 68,997 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 60,237 |
| Vietnam War Countries | 0 | - | 4.82 | 94,713 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 72,169 |
| Oceania Map Quiz | 0 | - | 4.98 | 659,940 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,555 |
| Australian Capitals | 0 | - | 4.92 | 62,851 |
| Australia Map Quiz | 0 | - | 4.95 | 346,349 |
| Flags of North and South America | 0 | - | 4.99 | 377,632 |
| U.S. Geography by Letter - B | 0 | - | 4.54 | 70,116 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 58,394 |
| South America Map Quiz | 0 | - | 5.00 | 1,557,822 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,032,636 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,640 |
| Top U.S. Universities | 0 | - | 4.15 | 145,928 |
| Largest United States Airlines | 0 | - | 4.39 | 55,178 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 750,124 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,491 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,468 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,777 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 53,075 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,738 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 210,654 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,906 |
| Rust Belt Cities Map Quiz | 0 | - | 4.57 | 35,302 |
| Arms Exports - United States | 0 | - | 4.77 | 62,775 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.12 | 41,203 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 80,168 |
| U.S. States by Governor | 0 | - | 4.43 | 18,118 |
| U.S. Bill of Rights | 0 | - | 4.53 | 32,606 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,777 |
| Top 10 U.S. States by Republican Party Support | 0 | - | 4.44 | 75,856 |
| Top 10 U.S. States by Democratic Party Support | 0 | - | 4.63 | 81,732 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,790 |
| Win the U.S. Presidential Election | 0 | - | 4.78 | 636,652 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 109,621 |
| U.S. Presidents by Event | 0 | - | 4.58 | 35,424 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.62 | 94,714 |
| Presidential Middle Names | 0 | - | 4.42 | 60,784 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 53,725 |
| US Presidents Breakdown Puzzle #1 | 0 | - | 3.69 | 20,149 |
| Assassinated U.S. Presidents | 0 | - | 4.63 | 94,925 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 38,647 |
| George Bush... or George Bush | 0 | - | 3.98 | 8,239 |
| State Quiz - Alaska | 0 | - | 4.42 | 42,346 |
| State Quiz - Arizona | 0 | - | 4.44 | 36,994 |
| California Cities Map Quiz | 0 | - | 4.50 | 88,213 |
| State Quiz - California | 0 | - | 4.69 | 64,897 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.43 | 60,142 |
| State Quiz - Florida | 0 | - | 4.47 | 62,708 |
| Florida Cities Map Quiz | 0 | - | 4.48 | 61,027 |
| Florida Counties | 0 | - | 4.41 | 49,154 |
| Countries that Visit Florida the Most | 0 | - | 4.70 | 72,819 |
| Florida Pro Sport Teams | 0 | - | 4.61 | 11,911 |
| State Quiz - Georgia | 0 | - | 4.48 | 35,813 |
| Georgia Counties | 0 | - | 4.52 | 50,150 |
| Countries Closest to Hawaii | 0 | - | 4.55 | 54,032 |
| State Quiz - Illinois | 0 | - | 4.44 | 33,608 |
| State Quiz - Kentucky | 0 | - | 4.42 | 32,678 |
| Boston Talk to English Translation Quiz | 0 | - | 4.59 | 56,283 |
| Players With TD Receptions From Tom Brady | 0 | - | 4.18 | 13,564 |
| Tom Brady Quiz | 0 | - | 4.17 | 15,729 |
| State Quiz - Minnesota | 0 | - | 4.41 | 39,061 |
| New York Cities Map Quiz | 0 | - | 4.55 | 42,385 |
| State Quiz - New York | 0 | - | 4.52 | 46,504 |
| New York Counties | 0 | - | 4.65 | 51,265 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,550 |
| New York Yankees Trivia | 0 | - | 4.29 | 7,276 |
| State Quiz - New Jersey | 0 | - | 4.42 | 38,397 |
| State Quiz - Texas | 0 | - | 4.43 | 63,258 |
| Texas Counties | 0 | - | 4.56 | 78,058 |
| Six Flags Over Texas | 0 | - | 4.78 | 63,633 |
| North Carolina Counties | 0 | - | 4.55 | 53,802 |
| Ohio Counties | 0 | - | 4.48 | 46,275 |
| Pennsylvania Counties | 0 | - | 4.50 | 53,482 |
| State Quiz - Pennsylvania | 0 | - | 4.50 | 49,397 |
| State Quiz - Tennessee | 0 | - | 4.54 | 34,423 |
| State Quiz - Virginia | 0 | - | 4.53 | 40,555 |
| Virginia Counties | 0 | - | 4.45 | 33,471 |
| State Quiz - Washington | 0 | - | 4.45 | 36,691 |
