| U.S. Presidents Quiz | 0 | - | 5.00 | 3,699,020 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 191,821 |
| Top 100 UK Baby Boys' Names in 1850 | 0 | - | 4.42 | 69,828 |
| Rust Belt Cities Map Quiz | 0 | - | 4.57 | 35,098 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,961 |
| UK Baby Girl Names by Decade | 0 | - | 4.36 | 160,499 |
| UK Baby Boy Names by Decade | 0 | - | 4.37 | 132,243 |
| Vietnam War Countries | 0 | - | 4.82 | 94,225 |
| U.S. Senators by State | 0 | - | 4.44 | 39,959 |
| Name a Valid U.S. President #2 | 0 | - | 4.54 | 70,017 |
| Ultimate Harry Potter Name Game | 0 | - | 4.94 | 493,393 |
| Random American Countries on a Map | 0 | - | 4.96 | 99,545 |
| South America Flags Map Quiz | 0 | - | 4.95 | 87,928 |
| United States Map Quiz | 0 | - | 4.98 | 4,158,606 |
| Top 100 UK Baby Girls' Names in 1850 | 0 | - | 4.35 | 62,088 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,736 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 108,735 |
| U.S. Presidents by Event | 0 | - | 4.58 | 34,499 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.61 | 93,811 |
| Presidential Middle Names | 0 | - | 4.41 | 60,261 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 53,350 |
| Assassinated U.S. Presidents | 0 | - | 4.63 | 94,599 |
| U.S. Presidents Who Died in Office | 0 | - | 4.77 | 34,993 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 38,435 |
| The American Revolution | 0 | - | 4.52 | 54,257 |
| California A-Z | 0 | - | 4.49 | 28,789 |
| U.S. States by Nickname | 0 | - | 4.57 | 69,543 |
| Groups of Things - Harry Potter | 0 | - | 4.80 | 281,740 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,483 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,949 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,471 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,653 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,470 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,506 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,067 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,880 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,058 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,231 |
| New York Yankees Trivia | 0 | - | 4.29 | 7,210 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,945 |
| US States Quiz | 0 | - | 5.00 | 16,876,703 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,062 |
| Most Popular Baby Girls Names in Germany | 0 | - | 4.51 | 38,799 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,176 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 332,037 |
| Pixelated United States Map | 0 | - | 4.87 | 94,272 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,684 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,772 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,455 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,463 |
| U.S. Vice Presidents | 0 | - | 4.39 | 136,274 |
| U.S. Governors Who Ran For President | 0 | - | 4.47 | 20,259 |
| First Ladies of the United States | 0 | - | 4.28 | 85,645 |
| The Franklin D. Roosevelt Presidency | 0 | - | 4.43 | 23,955 |
| The Abraham Lincoln Presidency | 0 | - | 4.52 | 26,228 |
| U.S. Presidents in Order - Whammies | 0 | - | 4.32 | 77,098 |
| U.S. Vice Presidents Who Became President | 0 | - | 4.64 | 16,200 |
| Add a Letter - Make a U.S. President | 0 | - | 4.57 | 23,965 |
| People in Pictures with Barack Obama | 0 | - | 4.10 | 47,893 |
| Boston Red Sox Trivia | 0 | - | 4.09 | 7,549 |
| Las Vegas Casinos | 0 | - | 4.13 | 38,066 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,803 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,869 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 506,626 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,429 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,436 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,005 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,300 |
| U.S. States By Population | 0 | - | 4.92 | 153,546 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,451 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,442 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,614 |
| US States with an Empty Map | 0 | - | 5.00 | 624,660 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,517 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,305 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,212 |
| Draw All US State Borders | 0 | - | 4.99 | 137,588 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,625 |
| U.S. States by Alternate Nicknames | 0 | - | 4.24 | 42,919 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,958 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,703 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,185 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,500 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,221 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,765 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,472 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,512 |
| U.S. Map with Random Merged States | 0 | - | 4.94 | 302,497 |
| Merged U.S. States | 0 | - | 4.37 | 44,162 |
| Shortest U.S. Presidential Terms | 0 | - | 4.75 | 12,830 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,053 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,218 |
| Least Irish U.S. States | 0 | - | 4.49 | 18,313 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,543 |
| Monty Python Quotes | 0 | - | 4.88 | 42,465 |
| Basic Harry Potter Quiz | 0 | - | 4.56 | 378,828 |
| The Iraq War | 0 | - | 4.47 | 15,655 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 171,470 |
| Random African Flag to Country | 0 | - | 4.88 | 74,951 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,322 |
| Rivers of the United States | 0 | - | 4.93 | 66,205 |
| Names of Generations | 0 | - | 4.09 | 44,922 |
| American Junk Food Brands #1 | 0 | - | 3.84 | 60,933 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,172 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 426,513 |
| U.S. Presidential Running Mates | 0 | - | 4.40 | 28,636 |
| The Thomas Jefferson Presidency | 0 | - | 4.26 | 13,730 |
| Random U.S. Vice President to President | 0 | - | 4.39 | 30,652 |
| The John Adams Presidency | 0 | - | 4.12 | 8,748 |
| The Theodore Roosevelt Presidency | 0 | - | 4.39 | 7,744 |
| U.S. Vice Presidential Trivia | 0 | - | 4.26 | 12,854 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,346 |
| California... or Florida? | 0 | - | 4.60 | 51,447 |
| Top 10 Los Angeles Lakers of All-Time | 0 | - | 4.24 | 46,915 |
| Hawaiian Islands | 0 | - | 4.83 | 42,716 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,114 |
| Harvard University | 0 | - | 4.15 | 8,298 |
| Top 20 Yankees: All-Time Home Run Leaders | 0 | - | 3.97 | 12,508 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,077 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,320 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,211 |
| U.S. State Flags | 0 | - | 4.89 | 170,487 |
| U.S. States that Border Canada | 0 | - | 4.91 | 184,946 |
| U.S. States by Emoji | 0 | - | 4.48 | 100,927 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 208,946 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,475 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,649 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,657 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,057 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,909 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,131 |
| Random European Flag to Country | 0 | - | 4.89 | 182,478 |
| Most Popular Baby Boy Names in Germany | 0 | - | 4.34 | 67,055 |
| Harry Potter: Voldemort's Horcruxes | 0 | - | 4.44 | 112,786 |
| Africa Map with Random Merged Countries | 0 | - | 4.95 | 73,614 |
| Puerto Rico Trivia | 0 | - | 4.51 | 11,998 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 220,047 |
| Territories of the United States | 0 | - | 4.80 | 52,396 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,673 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,468 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,192 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,998 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,504 |
| Most Common High School Mascots | 0 | - | 4.47 | 32,129 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 381,607 |
| US Presidents - One Minute Sprint | 0 | - | 4.41 | 304,968 |
| The George Washington Presidency | 0 | - | 4.03 | 14,547 |
| Franklin... or Theodore Roosevelt | 0 | - | 4.35 | 16,935 |
| U.S. Presidents to Win the Nobel Peace Prize | 0 | - | 4.34 | 18,324 |
| U.S. Presidential Knowledge - Multiple Choice | 0 | - | 4.36 | 21,678 |
| Play-Doh Presidents | 0 | - | 5.00 | 82,309 |
| Biggest Cities in Arizona | 0 | - | 4.30 | 31,649 |
| Biggest Cities in California | 0 | - | 4.35 | 139,888 |
| California Counties Map Quiz | 0 | - | 4.36 | 34,494 |
| Golden State Warriors Trivia | 0 | - | 4.25 | 24,919 |
| Los Angeles Lakers Trivia | 0 | - | 4.15 | 26,611 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,258 |
| Biggest Cities in Florida | 0 | - | 4.24 | 72,115 |
| Top 10 Boston Red Sox of All-Time | 0 | - | 4.00 | 11,867 |
| Top 10 Boston Celtics Players | 0 | - | 4.05 | 23,810 |
| Boston Celtics Trivia | 0 | - | 4.12 | 15,039 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,682 |
| New York City Geography | 0 | - | 4.42 | 33,102 |
| New York City A-Z | 0 | - | 4.18 | 32,304 |
| New York Yankees Retired Numbers | 0 | - | 3.73 | 9,297 |
| Biggest Cities in Texas | 0 | - | 4.29 | 119,347 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,778 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 45,405 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,196 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,268 |
| U.S. Civil War Decoder | 0 | - | 4.14 | 25,272 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,539,193 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 220,811 |
| Category Elimination - U.S. States #2 | 0 | - | 4.83 | 134,215 |
| Random U.S. States on a Map | 0 | - | 4.96 | 626,469 |
| U.S. State Birds | 0 | - | 4.31 | 21,414 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,805 |
| Europe Map Quiz | 0 | - | 5.00 | 4,763,359 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 529,592 |
| Europe Map with Random Merged Countries | 0 | - | 4.97 | 318,621 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,943 |
| Name the Harry Potter Books | 0 | - | 4.31 | 279,334 |
| Harry Potter Spells | 0 | - | 4.33 | 139,686 |
| Harry Potter Places | 0 | - | 4.34 | 108,291 |
| Harry Potter - Order of the Phoenix Members | 0 | - | 4.06 | 43,054 |
| Harry Potter A-Z | 0 | - | 4.43 | 226,896 |
| Top 100 Harry Potter Characters by Mention | 0 | - | 4.93 | 394,193 |
| Harry Potter Creatures | 0 | - | 4.29 | 64,102 |
| Lord of the Rings Characters by Screen Time | 0 | - | 4.55 | 77,344 |
| The Persian Gulf War | 0 | - | 4.02 | 8,449 |
| George Washington... or George W. Bush? | 0 | - | 4.16 | 12,266 |
| Africa Map Quiz | 0 | - | 5.00 | 2,118,072 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,225 |
| Oceania Map Quiz | 0 | - | 4.98 | 642,417 |
| Australian Capitals | 0 | - | 4.92 | 62,722 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,422 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,866 |
| Most Guessed North American Teams by Sport | 0 | - | 4.28 | 64,457 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,463 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,526 |
