| U.S. Presidents by Picture | 0 | - | 4.87 | 427,200 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 192,693 |
| Play-Doh Presidents | 0 | - | 5.00 | 82,508 |
| Random U.S. States on a Map | 0 | - | 4.96 | 628,121 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,423 |
| Vietnam War Countries | 0 | - | 4.82 | 94,384 |
| California A-Z | 0 | - | 4.49 | 28,809 |
| United States Map Quiz | 0 | - | 4.98 | 4,164,255 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,819 |
| The American Revolution | 0 | - | 4.52 | 54,296 |
| California... or Florida? | 0 | - | 4.60 | 51,671 |
| Top 10 Los Angeles Lakers of All-Time | 0 | - | 4.24 | 47,027 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,637 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,150 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,791 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,917 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,645 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,933 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,002 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 333,374 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,957 |
| U.S. Senators by State | 0 | - | 4.44 | 40,010 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,710,370 |
| US Presidents - One Minute Sprint | 0 | - | 4.41 | 305,545 |
| Name a Valid U.S. President #2 | 0 | - | 4.54 | 70,241 |
| The John F. Kennedy Presidency | 0 | - | 4.47 | 43,807 |
| California Counties Map Quiz | 0 | - | 4.36 | 34,528 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,446 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,432 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,058 |
| US States Quiz | 0 | - | 5.00 | 16,926,232 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,876 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,251 |
| Pixelated United States Map | 0 | - | 4.88 | 94,497 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,999 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,037 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,748 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,896 |
| Presidential Actors | 0 | - | 4.36 | 19,203 |
| The George W. Bush Presidency | 0 | - | 4.06 | 32,215 |
| The Franklin D. Roosevelt Presidency | 0 | - | 4.43 | 23,986 |
| U.S. President Scramble | 0 | - | 4.40 | 117,146 |
| U.S. Presidents With Facial Hair By Picture | 0 | - | 4.48 | 23,235 |
| People in Pictures with Barack Obama | 0 | - | 4.10 | 47,958 |
| California Cities Map Quiz | 0 | - | 4.50 | 88,053 |
| State Quiz - California | 0 | - | 4.69 | 64,575 |
| Golden State Warriors Trivia | 0 | - | 4.25 | 24,969 |
| Los Angeles Lakers Trivia | 0 | - | 4.15 | 26,668 |
| Top 10 Boston Red Sox of All-Time | 0 | - | 4.02 | 11,884 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,296 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,162 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 508,074 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,767 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 113,705 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,391 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,707 |
| U.S. States By Population | 0 | - | 4.92 | 153,775 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,767 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,617 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,885 |
| US States with an Empty Map | 0 | - | 5.00 | 626,244 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,726 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,550 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,345 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,817 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 160,322 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,969 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,441 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,689 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,461 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,975 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,628 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,747 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,443 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,571 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,773 |
| James Bond Countries Visited Map | 0 | - | 4.99 | 64,425 |
| The Iraq War | 0 | - | 4.47 | 15,676 |
| Random American Countries on a Map | 0 | - | 4.96 | 99,809 |
| Rivers of the United States | 0 | - | 4.93 | 66,376 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,378 |
| Rust Belt Cities Map Quiz | 0 | - | 4.57 | 35,175 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 382,426 |
| U.S. Presidents to Win the Nobel Peace Prize | 0 | - | 4.34 | 18,337 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,625 |
| States that Beat California | 0 | - | 4.54 | 63,720 |
| Which City in California? | 0 | - | 4.56 | 32,094 |
| Hawaiian Islands | 0 | - | 4.83 | 42,786 |
| Movies Set in Chicago | 0 | - | 4.46 | 28,209 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,272 |
| Movies Set in Las Vegas | 0 | - | 4.13 | 32,151 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,393 |
| U.S. Civil War Decoder | 0 | - | 4.14 | 25,304 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,545,986 |
| U.S. State Flags | 0 | - | 4.89 | 171,439 |
| U.S. States that Border Canada | 0 | - | 4.91 | 185,679 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 209,553 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 221,526 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 134,697 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,698 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,362 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,006 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,382 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 62,031 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,251 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,932 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,263 |
| The Persian Gulf War | 0 | - | 4.02 | 8,466 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 220,986 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,609 |
| Territories of the United States | 0 | - | 4.80 | 52,482 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,618 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,751 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,734 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,219 |
| United States Country Quiz | 0 | - | 4.43 | 101,769 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,307 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,975 |
| Name a Valid Answer - United States #1 | 0 | - | 4.63 | 94,158 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,538 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 193,947 |
| The Barack Obama Presidency | 0 | - | 4.13 | 25,429 |
| History of California | 0 | - | 4.40 | 18,769 |
| California by Picture | 0 | - | 4.36 | 16,558 |
| Los Angeles Lakers NBA All-Stars | 0 | - | 3.84 | 9,961 |
| Los Angeles A-Z | 0 | - | 4.20 | 9,526 |
| Movies Set in San Francisco | 0 | - | 4.23 | 19,945 |
| Movies Set in Miami | 0 | - | 4.32 | 16,704 |
| Movies and TV Shows Set in Boston | 0 | - | 4.17 | 9,785 |
| Top 10 Boston Celtics Players | 0 | - | 4.05 | 23,865 |
| Boston Celtics Trivia | 0 | - | 4.12 | 15,095 |
| New York City Geography | 0 | - | 4.42 | 33,131 |
| New York City A-Z | 0 | - | 4.18 | 32,336 |
| Cleveland Browns QBs Since 1999 | 0 | - | 4.31 | 7,829 |
| Movies Set in Pennsylvania | 0 | - | 4.19 | 11,570 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.70 | 1,394,294 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.82 | 56,079 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,686,019 |
| Europe Map Quiz | 0 | - | 5.00 | 4,773,073 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,795 |
| Real Madrid 2010s Starting XI | 0 | - | 4.90 | 68,166 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 60,075 |
| Oceania Map Quiz | 0 | - | 4.98 | 654,779 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,009 |
| Australian Capitals | 0 | - | 4.92 | 62,764 |
| Australia Map Quiz | 0 | - | 4.95 | 345,301 |
| Flags of North and South America | 0 | - | 4.99 | 374,587 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,711 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 53,164 |
| South America Map Quiz | 0 | - | 5.00 | 1,552,145 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,026,394 |
| Most Guessed North American Teams by Sport | 0 | - | 4.28 | 64,647 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,531 |
| Top U.S. Universities | 0 | - | 4.15 | 145,413 |
| Largest United States Airlines | 0 | - | 4.39 | 55,083 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 748,213 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,456 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,373 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,739 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 52,244 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,678 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 209,910 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,744 |
| Arms Exports - United States | 0 | - | 4.77 | 62,549 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 69,266 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.12 | 41,082 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 80,047 |
| U.S. States by Governor | 0 | - | 4.43 | 18,081 |
| U.S. Bill of Rights | 0 | - | 4.53 | 32,559 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,717 |
| Top 10 U.S. States by Republican Party Support | 0 | - | 4.44 | 75,631 |
| Top 10 U.S. States by Democratic Party Support | 0 | - | 4.63 | 81,466 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,715 |
| Red State or Blue State Trait? | 0 | - | 4.42 | 55,487 |
| Win the U.S. Presidential Election | 0 | - | 4.78 | 630,581 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 108,973 |
| U.S. Presidents by Event | 0 | - | 4.58 | 34,762 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.61 | 94,043 |
| Presidential Middle Names | 0 | - | 4.41 | 60,449 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 53,476 |
| US Presidents Breakdown Puzzle #1 | 0 | - | 3.69 | 20,122 |
| Assassinated U.S. Presidents | 0 | - | 4.63 | 94,681 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 38,496 |
| George Bush... or George Bush | 0 | - | 3.98 | 8,217 |
| The Kennedy Family | 0 | - | 3.90 | 14,084 |
| Movies with America in the Title | 0 | - | 4.17 | 28,774 |
| State Quiz - Alaska | 0 | - | 4.42 | 42,154 |
| State Quiz - Arizona | 0 | - | 4.44 | 36,800 |
| Stephen Curry Quiz | 0 | - | 4.37 | 67,115 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.43 | 59,972 |
| Anchorman Quotes | 0 | - | 3.68 | 9,633 |
| State Quiz - Florida | 0 | - | 4.47 | 62,447 |
| Florida Cities Map Quiz | 0 | - | 4.48 | 60,937 |
| Countries that Visit Florida the Most | 0 | - | 4.70 | 72,462 |
| Florida Pro Sport Teams | 0 | - | 4.61 | 11,866 |
| State Quiz - Georgia | 0 | - | 4.48 | 35,631 |
| Georgia Counties | 0 | - | 4.51 | 49,697 |
| Countries Closest to Hawaii | 0 | - | 4.55 | 53,772 |
| State Quiz - Illinois | 0 | - | 4.44 | 33,449 |
| State Quiz - Kentucky | 0 | - | 4.42 | 32,534 |
