| U.S. Presidents Quiz | 0 | - | 5.00 | 3,693,394 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 191,594 |
| Top 100 UK Baby Boys' Names in 1850 | 0 | - | 4.42 | 69,764 |
| Rust Belt Cities Map Quiz | 0 | - | 4.57 | 35,059 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,920 |
| UK Baby Girl Names by Decade | 0 | - | 4.36 | 160,333 |
| UK Baby Boy Names by Decade | 0 | - | 4.37 | 132,103 |
| Vietnam War Countries | 0 | - | 4.82 | 94,149 |
| U.S. Senators by State | 0 | - | 4.45 | 39,933 |
| Name a Valid U.S. President #2 | 0 | - | 4.54 | 69,944 |
| Ultimate Harry Potter Name Game | 0 | - | 4.94 | 493,156 |
| Random American Countries on a Map | 0 | - | 4.96 | 99,415 |
| South America Flags Map Quiz | 0 | - | 4.95 | 87,780 |
| United States Map Quiz | 0 | - | 4.98 | 4,156,071 |
| Top 100 UK Baby Girls' Names in 1850 | 0 | - | 4.35 | 62,013 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,692 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 108,618 |
| U.S. Presidents by Event | 0 | - | 4.58 | 34,371 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.61 | 93,703 |
| Presidential Middle Names | 0 | - | 4.41 | 60,176 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 53,266 |
| Assassinated U.S. Presidents | 0 | - | 4.62 | 94,536 |
| U.S. Presidents Who Died in Office | 0 | - | 4.77 | 34,964 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 38,394 |
| The American Revolution | 0 | - | 4.52 | 54,231 |
| California A-Z | 0 | - | 4.49 | 28,783 |
| U.S. States by Nickname | 0 | - | 4.57 | 69,516 |
| Groups of Things - Harry Potter | 0 | - | 4.82 | 281,553 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,424 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,872 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,316 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,475 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,408 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,336 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,624 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,839 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,880 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,160 |
| New York Yankees Trivia | 0 | - | 4.29 | 7,198 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,874 |
| US States Quiz | 0 | - | 5.00 | 16,854,584 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,823 |
| Most Popular Baby Girls Names in Germany | 0 | - | 4.51 | 38,773 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,135 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 331,528 |
| Pixelated United States Map | 0 | - | 4.87 | 94,171 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,516 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,643 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,290 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,857 |
| U.S. Vice Presidents | 0 | - | 4.39 | 136,174 |
| U.S. Governors Who Ran For President | 0 | - | 4.47 | 20,248 |
| First Ladies of the United States | 0 | - | 4.28 | 85,598 |
| The Franklin D. Roosevelt Presidency | 0 | - | 4.43 | 23,946 |
| The Abraham Lincoln Presidency | 0 | - | 4.52 | 26,216 |
| U.S. Presidents in Order - Whammies | 0 | - | 4.32 | 77,016 |
| U.S. Vice Presidents Who Became President | 0 | - | 4.64 | 16,179 |
| Add a Letter - Make a U.S. President | 0 | - | 4.57 | 23,950 |
| People in Pictures with Barack Obama | 0 | - | 4.10 | 47,864 |
| Boston Red Sox Trivia | 0 | - | 4.09 | 7,543 |
| Las Vegas Casinos | 0 | - | 4.13 | 38,050 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,670 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,757 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 506,053 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,288 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,314 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,849 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,119 |
| U.S. States By Population | 0 | - | 4.92 | 153,469 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,330 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,385 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,497 |
| US States with an Empty Map | 0 | - | 5.00 | 623,946 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,452 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,223 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,157 |
| Draw All US State Borders | 0 | - | 4.99 | 137,109 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,545 |
| U.S. States by Alternate Nicknames | 0 | - | 4.24 | 42,910 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,873 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,642 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,125 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,459 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,165 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,675 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,411 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,449 |
| U.S. Map with Random Merged States | 0 | - | 4.94 | 302,232 |
| Merged U.S. States | 0 | - | 4.37 | 44,130 |
| Shortest U.S. Presidential Terms | 0 | - | 4.75 | 12,814 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,890 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,050 |
| Least Irish U.S. States | 0 | - | 4.49 | 18,305 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,470 |
| Monty Python Quotes | 0 | - | 4.88 | 42,451 |
| Basic Harry Potter Quiz | 0 | - | 4.56 | 378,657 |
| The Iraq War | 0 | - | 4.47 | 15,647 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 171,256 |
| Random African Flag to Country | 0 | - | 4.88 | 74,834 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,281 |
| Rivers of the United States | 0 | - | 4.93 | 66,132 |
| Names of Generations | 0 | - | 4.09 | 44,673 |
| American Junk Food Brands #1 | 0 | - | 3.84 | 60,919 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,082 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 426,212 |
| U.S. Presidential Running Mates | 0 | - | 4.40 | 28,620 |
| The Thomas Jefferson Presidency | 0 | - | 4.26 | 13,722 |
| Random U.S. Vice President to President | 0 | - | 4.39 | 30,641 |
| The John Adams Presidency | 0 | - | 4.12 | 8,742 |
| The Theodore Roosevelt Presidency | 0 | - | 4.39 | 7,737 |
| U.S. Vice Presidential Trivia | 0 | - | 4.26 | 12,847 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,222 |
| California... or Florida? | 0 | - | 4.60 | 51,312 |
| Top 10 Los Angeles Lakers of All-Time | 0 | - | 4.24 | 46,870 |
| Hawaiian Islands | 0 | - | 4.83 | 42,677 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,046 |
| Harvard University | 0 | - | 4.15 | 8,294 |
| Top 20 Yankees: All-Time Home Run Leaders | 0 | - | 3.97 | 12,500 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,054 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,296 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,171 |
| U.S. State Flags | 0 | - | 4.89 | 170,106 |
| U.S. States that Border Canada | 0 | - | 4.91 | 184,641 |
| U.S. States by Emoji | 0 | - | 4.48 | 100,829 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 208,676 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,341 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,580 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,534 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,903 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,862 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,069 |
| Random European Flag to Country | 0 | - | 4.89 | 182,204 |
| Most Popular Baby Boy Names in Germany | 0 | - | 4.34 | 67,037 |
| Harry Potter: Voldemort's Horcruxes | 0 | - | 4.44 | 112,712 |
| Africa Map with Random Merged Countries | 0 | - | 4.95 | 73,493 |
| Puerto Rico Trivia | 0 | - | 4.51 | 11,994 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 219,603 |
| Territories of the United States | 0 | - | 4.79 | 52,359 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,629 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,367 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,147 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,923 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,487 |
| Most Common High School Mascots | 0 | - | 4.47 | 32,086 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 381,342 |
| US Presidents - One Minute Sprint | 0 | - | 4.41 | 304,804 |
| The George Washington Presidency | 0 | - | 4.03 | 14,540 |
| Franklin... or Theodore Roosevelt | 0 | - | 4.35 | 16,926 |
| U.S. Presidents to Win the Nobel Peace Prize | 0 | - | 4.34 | 18,313 |
| U.S. Presidential Knowledge - Multiple Choice | 0 | - | 4.36 | 21,670 |
| Play-Doh Presidents | 0 | - | 5.00 | 82,219 |
| Biggest Cities in California | 0 | - | 4.35 | 139,803 |
| California Counties Map Quiz | 0 | - | 4.36 | 34,446 |
| Golden State Warriors Trivia | 0 | - | 4.25 | 24,885 |
| Los Angeles Lakers Trivia | 0 | - | 4.15 | 26,578 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,231 |
| Biggest Cities in Florida | 0 | - | 4.24 | 72,068 |
| Top 10 Boston Red Sox of All-Time | 0 | - | 4.00 | 11,861 |
| Top 10 Boston Celtics Players | 0 | - | 4.05 | 23,777 |
| Boston Celtics Trivia | 0 | - | 4.12 | 15,007 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,629 |
| New York City Geography | 0 | - | 4.42 | 33,078 |
| New York City A-Z | 0 | - | 4.18 | 32,289 |
| New York Yankees Retired Numbers | 0 | - | 3.73 | 9,290 |
| Biggest Cities in Texas | 0 | - | 4.29 | 119,288 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,743 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 45,384 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,168 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,210 |
| U.S. Civil War Decoder | 0 | - | 4.14 | 25,262 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,536,487 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 220,602 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 134,042 |
| Random U.S. States on a Map | 0 | - | 4.96 | 625,843 |
| U.S. State Birds | 0 | - | 4.31 | 21,404 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,713 |
| Europe Map Quiz | 0 | - | 5.00 | 4,759,272 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 529,200 |
| Europe Map with Random Merged Countries | 0 | - | 4.97 | 317,835 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,840 |
| Name the Harry Potter Books | 0 | - | 4.31 | 278,890 |
| Harry Potter Spells | 0 | - | 4.33 | 139,605 |
| Harry Potter Places | 0 | - | 4.34 | 108,216 |
| Harry Potter - Order of the Phoenix Members | 0 | - | 4.06 | 43,033 |
| Harry Potter A-Z | 0 | - | 4.43 | 226,243 |
| Top 100 Harry Potter Characters by Mention | 0 | - | 4.93 | 393,598 |
| Harry Potter Creatures | 0 | - | 4.29 | 64,034 |
| Lord of the Rings Characters by Screen Time | 0 | - | 4.55 | 77,290 |
| The Persian Gulf War | 0 | - | 4.02 | 8,449 |
| George Washington... or George W. Bush? | 0 | - | 4.16 | 12,263 |
| Africa Map Quiz | 0 | - | 5.00 | 2,116,444 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,040 |
| Oceania Map Quiz | 0 | - | 4.98 | 641,529 |
| Australian Capitals | 0 | - | 4.92 | 62,714 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,364 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,833 |
| Most Guessed North American Teams by Sport | 0 | - | 4.28 | 64,372 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,445 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,484 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,574 |
