| Places Mentioned in the Song "Kokomo" | 0 | - | 4.44 | 17,024 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 426,772 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 382,069 |
| Random U.S. States on a Map | 0 | - | 4.96 | 627,084 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 193,742 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,324 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 234,545 |
| U.S. Map with Random Merged States | 0 | - | 4.94 | 302,716 |
| United States Map Quiz | 0 | - | 4.98 | 4,161,374 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,770 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,541 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,021 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,605 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,753 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,546 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,661 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,434 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 332,601 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,909 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,703,560 |
| US Presidents - One Minute Sprint | 0 | - | 4.41 | 305,150 |
| The John F. Kennedy Presidency | 0 | - | 4.47 | 43,766 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,224 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,301 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,993 |
| US States Quiz | 0 | - | 5.00 | 16,896,090 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,276 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,207 |
| Pixelated United States Map | 0 | - | 4.87 | 94,362 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,819 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,878 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,564 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,643 |
| U.S. Presidential Quotes | 0 | - | 4.37 | 44,516 |
| The George W. Bush Presidency | 0 | - | 4.06 | 32,203 |
| The Jimmy Carter Presidency | 0 | - | 4.41 | 19,146 |
| People in Pictures with Ronald Reagan | 0 | - | 4.35 | 40,715 |
| U.S. President Scramble | 0 | - | 4.40 | 116,852 |
| U.S. Presidents With Facial Hair By Picture | 0 | - | 4.48 | 23,203 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,929 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,025 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 507,166 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,560 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 113,551 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,157 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,458 |
| U.S. States By Population | 0 | - | 4.92 | 153,643 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,579 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,515 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,720 |
| US States with an Empty Map | 0 | - | 5.00 | 625,298 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,628 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,413 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,261 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,707 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 160,173 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,874 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,335 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,618 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,363 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,853 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,540 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,660 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,218 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,349 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,640 |
| Rivers of the United States | 0 | - | 4.93 | 66,256 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,248 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,455 |
| Stephen Curry Quiz | 0 | - | 4.37 | 67,028 |
| Hawaiian Islands | 0 | - | 4.83 | 42,745 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,186 |
| LeBron James Trivia | 0 | - | 4.01 | 171,073 |
| LeBron... or Kobe? | 0 | - | 4.04 | 70,064 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,350 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,542,111 |
| U.S. State Flags | 0 | - | 4.88 | 170,844 |
| U.S. States that Border Canada | 0 | - | 4.91 | 185,227 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 209,203 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 221,035 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 134,397 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,573 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,754 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,781 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,211 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,945 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,180 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,862 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,039 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 220,424 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,562 |
| Territories of the United States | 0 | - | 4.80 | 52,432 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,595 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,713 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,569 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,194 |
| United States Country Quiz | 0 | - | 4.43 | 101,619 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,239 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,911 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 94,067 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,516 |
| Presidential Actors | 0 | - | 4.36 | 19,188 |
| The Bill Clinton Presidency | 0 | - | 4.24 | 31,474 |
| The George H. W. Bush Presidency | 0 | - | 4.36 | 21,501 |
| The Ronald Reagan Presidency | 0 | - | 4.26 | 24,836 |
| The Richard Nixon Presidency | 0 | - | 4.05 | 22,028 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 192,054 |
| The Barack Obama Presidency | 0 | - | 4.13 | 25,416 |
| Star-Spangled Banner Lyrics | 0 | - | 4.36 | 179,432 |
| American Revolution Decoder | 0 | - | 4.10 | 20,963 |
| New York City Geography | 0 | - | 4.42 | 33,113 |
| Cleveland Browns QBs Since 1999 | 0 | - | 4.31 | 7,809 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.70 | 1,392,757 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.82 | 56,000 |
| States of Origin - American Popular Music | 0 | - | 4.22 | 10,669 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,683,489 |
| Europe Map Quiz | 0 | - | 5.00 | 4,766,863 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,036 |
| Countries that have Won the Most Eurovisions | 0 | - | 4.56 | 102,192 |
| Can You Name All Of One Direction's Songs? | 0 | - | 4.51 | 96,518 |
| Real Madrid 2010s Starting XI | 0 | - | 4.90 | 67,763 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 60,021 |
| Vietnam War Countries | 0 | - | 4.82 | 94,293 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,805 |
| Georgia ... or Georgia? | 0 | - | 4.67 | 76,820 |
| Countries of Africa | 0 | - | 5.00 | 2,540,963 |
| Flags of Africa Quiz | 0 | - | 5.00 | 472,239 |
| Africa Map Quiz | 0 | - | 5.00 | 2,119,847 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,962 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,417 |
| African East Coast | 0 | - | 4.96 | 96,155 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,024 |
| Oceania Map Quiz | 0 | - | 4.98 | 643,140 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,811 |
| Australian Capitals | 0 | - | 4.92 | 62,734 |
| Australia Map Quiz | 0 | - | 4.95 | 344,845 |
| Flags of North and South America | 0 | - | 4.99 | 373,698 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,468 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,904 |
| South America Map Quiz | 0 | - | 5.00 | 1,550,745 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,024,513 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,482 |
| Top U.S. Universities | 0 | - | 4.15 | 145,248 |
| Largest United States Airlines | 0 | - | 4.39 | 55,051 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 747,529 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,445 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,336 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,729 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 51,358 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,648 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 209,639 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,691 |
| Rust Belt Cities Map Quiz | 0 | - | 4.57 | 35,133 |
| Arms Exports - United States | 0 | - | 4.77 | 62,466 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.12 | 41,050 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 80,006 |
| U.S. States by Governor | 0 | - | 4.43 | 18,070 |
| U.S. Bill of Rights | 0 | - | 4.53 | 32,546 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,708 |
| Top 10 U.S. States by Republican Party Support | 0 | - | 4.44 | 75,561 |
| Top 10 U.S. States by Democratic Party Support | 0 | - | 4.63 | 81,399 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,693 |
| Win the U.S. Presidential Election | 0 | - | 4.78 | 628,804 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 108,819 |
| U.S. Presidents by Event | 0 | - | 4.58 | 34,601 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.62 | 93,889 |
| Presidential Middle Names | 0 | - | 4.41 | 60,344 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 53,398 |
| US Presidents Breakdown Puzzle #1 | 0 | - | 3.69 | 20,083 |
| Assassinated U.S. Presidents | 0 | - | 4.63 | 94,636 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 38,459 |
| George Bush... or George Bush | 0 | - | 3.98 | 8,208 |
| State Quiz - Alaska | 0 | - | 4.42 | 42,104 |
| State Quiz - Arizona | 0 | - | 4.44 | 36,753 |
| California Cities Map Quiz | 0 | - | 4.50 | 87,992 |
| State Quiz - California | 0 | - | 4.69 | 64,490 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 59,920 |
| State Quiz - Florida | 0 | - | 4.47 | 62,388 |
| Florida Cities Map Quiz | 0 | - | 4.48 | 60,912 |
| Countries that Visit Florida the Most | 0 | - | 4.70 | 72,353 |
| Florida Pro Sport Teams | 0 | - | 4.61 | 11,854 |
| State Quiz - Georgia | 0 | - | 4.48 | 35,607 |
| Georgia Counties | 0 | - | 4.51 | 49,532 |
| Countries Closest to Hawaii | 0 | - | 4.55 | 53,702 |
| State Quiz - Illinois | 0 | - | 4.44 | 33,408 |
| State Quiz - Kentucky | 0 | - | 4.42 | 32,503 |
| Boston Talk to English Translation Quiz | 0 | - | 4.59 | 55,998 |
| Players With TD Receptions From Tom Brady | 0 | - | 4.18 | 13,517 |
| Tom Brady Quiz | 0 | - | 4.15 | 15,675 |
| State Quiz - Minnesota | 0 | - | 4.41 | 38,842 |
| New York Cities Map Quiz | 0 | - | 4.55 | 42,255 |
| State Quiz - New York | 0 | - | 4.52 | 46,169 |
| New York Counties | 0 | - | 4.65 | 50,688 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,370 |
| New York Yankees Trivia | 0 | - | 4.29 | 7,220 |
| State Quiz - New Jersey | 0 | - | 4.42 | 38,193 |
| State Quiz - Texas | 0 | - | 4.43 | 62,921 |
| Texas Counties | 0 | - | 4.56 | 76,813 |
| Six Flags Over Texas | 0 | - | 4.78 | 63,403 |
| North Carolina Counties | 0 | - | 4.54 | 53,370 |
