| U.S. Presidents Quiz | 0 | - | 5.00 | 3,656,637 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 189,952 |
| Top 100 UK Baby Boys' Names in 1850 | 0 | - | 4.42 | 69,343 |
| Rust Belt Cities Map Quiz | 0 | - | 4.57 | 34,891 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,623 |
| UK Baby Girl Names by Decade | 0 | - | 4.36 | 159,255 |
| UK Baby Boy Names by Decade | 0 | - | 4.37 | 131,243 |
| Vietnam War Countries | 0 | - | 4.83 | 93,645 |
| U.S. Senators by State | 0 | - | 4.45 | 39,768 |
| Name a Valid U.S. President #2 | 0 | - | 4.54 | 69,454 |
| Ultimate Harry Potter Name Game | 0 | - | 4.94 | 491,499 |
| Random American Countries on a Map | 0 | - | 4.96 | 98,672 |
| South America Flags Map Quiz | 0 | - | 4.95 | 86,684 |
| United States Map Quiz | 0 | - | 4.98 | 4,142,482 |
| Top 100 UK Baby Girls' Names in 1850 | 0 | - | 4.35 | 61,556 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,384 |
| U.S. Vice Presidents | 0 | - | 4.41 | 134,996 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 107,996 |
| U.S. Presidents by Event | 0 | - | 4.58 | 33,553 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.61 | 93,036 |
| Presidential Middle Names | 0 | - | 4.41 | 59,727 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 52,766 |
| Assassinated U.S. Presidents | 0 | - | 4.63 | 93,853 |
| U.S. Presidents Who Died in Office | 0 | - | 4.77 | 34,758 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 38,183 |
| The American Revolution | 0 | - | 4.52 | 54,064 |
| California A-Z | 0 | - | 4.49 | 28,711 |
| U.S. States by Nickname | 0 | - | 4.57 | 69,289 |
| Groups of Things - Harry Potter | 0 | - | 4.82 | 280,168 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,983 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,091 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,387 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,684 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,903 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,227 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,054 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,543 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,101 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.84 | 65,658 |
| New York Yankees Trivia | 0 | - | 4.29 | 7,127 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,520 |
| US States Quiz | 0 | - | 5.00 | 16,708,645 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,349 |
| Most Popular Baby Girls Names in Germany | 0 | - | 4.51 | 38,631 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,820 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 328,164 |
| Pixelated United States Map | 0 | - | 4.89 | 93,521 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,517 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,902 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,455 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,636 |
| U.S. Governors Who Ran For President | 0 | - | 4.47 | 20,169 |
| First Ladies of the United States | 0 | - | 4.28 | 85,254 |
| The Franklin D. Roosevelt Presidency | 0 | - | 4.43 | 23,818 |
| The Abraham Lincoln Presidency | 0 | - | 4.52 | 26,116 |
| U.S. Presidents in Order - Whammies | 0 | - | 4.32 | 76,345 |
| U.S. Vice Presidents Who Became President | 0 | - | 4.64 | 16,008 |
| Add a Letter - Make a U.S. President | 0 | - | 4.61 | 23,841 |
| People in Pictures with Barack Obama | 0 | - | 4.10 | 47,705 |
| Boston Red Sox Trivia | 0 | - | 4.09 | 7,502 |
| Las Vegas Casinos | 0 | - | 4.12 | 37,976 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,322 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,782 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 502,122 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,403 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,454 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,723 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,972 |
| U.S. States By Population | 0 | - | 4.92 | 152,410 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,453 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,895 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,633 |
| US States with an Empty Map | 0 | - | 5.00 | 619,105 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,929 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,587 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,777 |
| Draw All US State Borders | 0 | - | 4.99 | 133,797 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,923 |
| U.S. States by Alternate Nicknames | 0 | - | 4.24 | 42,809 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 158,910 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,096 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,520 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,082 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,675 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,125 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,959 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.84 | 66,862 |
| U.S. Map with Random Merged States | 0 | - | 4.94 | 300,110 |
| Merged U.S. States | 0 | - | 4.36 | 43,880 |
| Shortest U.S. Presidential Terms | 0 | - | 4.75 | 12,693 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,777 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,997 |
| Least Irish U.S. States | 0 | - | 4.49 | 18,222 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,877 |
| Monty Python Quotes | 0 | - | 4.88 | 42,331 |
| Basic Harry Potter Quiz | 0 | - | 4.56 | 377,349 |
| The Iraq War | 0 | - | 4.47 | 15,561 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 169,973 |
| Random African Flag to Country | 0 | - | 4.87 | 74,242 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 39,984 |
| Rivers of the United States | 0 | - | 4.93 | 65,554 |
| American Junk Food Brands #1 | 0 | - | 3.84 | 60,814 |
| Countries Closest to United States A-Z | 0 | - | 4.81 | 117,443 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 423,907 |
| U.S. Presidential Running Mates | 0 | - | 4.40 | 28,467 |
| The Thomas Jefferson Presidency | 0 | - | 4.26 | 13,663 |
| Random U.S. Vice President to President | 0 | - | 4.39 | 30,510 |
| The John Adams Presidency | 0 | - | 4.12 | 8,680 |
| The Theodore Roosevelt Presidency | 0 | - | 4.39 | 7,685 |
| U.S. Vice Presidential Trivia | 0 | - | 4.26 | 12,777 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,351 |
| California... or Florida? | 0 | - | 4.60 | 50,991 |
| Top 10 Los Angeles Lakers of All-Time | 0 | - | 4.24 | 46,522 |
| Hawaiian Islands | 0 | - | 4.83 | 42,439 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,472 |
| Harvard University | 0 | - | 4.15 | 8,266 |
| Top 20 Yankees: All-Time Home Run Leaders | 0 | - | 3.97 | 12,440 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 34,894 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,099 |
| Biggest Cities in Washington State | 0 | - | 4.43 | 35,947 |
| U.S. State Flags | 0 | - | 4.89 | 167,258 |
| U.S. States that Border Canada | 0 | - | 4.91 | 182,566 |
| U.S. States by Emoji | 0 | - | 4.48 | 100,182 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,817 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,625 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,898 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,688 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,116 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,564 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,678 |
| Random European Flag to Country | 0 | - | 4.89 | 180,985 |
| Most Popular Baby Boy Names in Germany | 0 | - | 4.34 | 66,911 |
| Harry Potter: Voldemort's Horcruxes | 0 | - | 4.44 | 112,137 |
| Africa Map with Random Merged Countries | 0 | - | 4.95 | 72,489 |
| Puerto Rico Trivia | 0 | - | 4.51 | 11,939 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 216,849 |
| Territories of the United States | 0 | - | 4.79 | 52,160 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.78 | 39,394 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,598 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 51,761 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,464 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,393 |
| Most Common High School Mascots | 0 | - | 4.47 | 31,851 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 379,661 |
| US Presidents - One Minute Sprint | 0 | - | 4.41 | 303,436 |
| The George Washington Presidency | 0 | - | 4.03 | 14,477 |
| Franklin... or Theodore Roosevelt | 0 | - | 4.35 | 16,873 |
| U.S. Presidents to Win the Nobel Peace Prize | 0 | - | 4.34 | 18,222 |
| U.S. Presidential Knowledge - Multiple Choice | 0 | - | 4.36 | 21,611 |
| Play-Doh Presidents | 0 | - | 5.00 | 81,702 |
| Biggest Cities in California | 0 | - | 4.35 | 139,229 |
| California Counties Map Quiz | 0 | - | 4.36 | 34,338 |
| Golden State Warriors Trivia | 0 | - | 4.23 | 24,697 |
| Los Angeles Lakers Trivia | 0 | - | 4.11 | 26,353 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,081 |
| Biggest Cities in Florida | 0 | - | 4.23 | 71,800 |
| Top 10 Boston Red Sox of All-Time | 0 | - | 3.98 | 11,805 |
| Top 10 Boston Celtics Players | 0 | - | 4.05 | 23,605 |
| Boston Celtics Trivia | 0 | - | 4.09 | 14,661 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,426 |
| New York City Geography | 0 | - | 4.42 | 32,949 |
| New York City A-Z | 0 | - | 4.18 | 32,196 |
| Top 15 New York Yankees of All-Time | 0 | - | 4.02 | 25,665 |
| New York Yankees Retired Numbers | 0 | - | 3.73 | 9,228 |
| Biggest Cities in Texas | 0 | - | 4.28 | 118,648 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,586 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 45,210 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,052 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 128,707 |
| U.S. Civil War Decoder | 0 | - | 4.14 | 25,187 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,519,477 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 218,637 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,582 |
| Random U.S. States on a Map | 0 | - | 4.96 | 621,714 |
| U.S. State Birds | 0 | - | 4.31 | 21,315 |
| Europe Map Quiz | 0 | - | 5.00 | 4,732,717 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,492 |
| Europe Map with Random Merged Countries | 0 | - | 4.97 | 315,826 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,080 |
| Name the Harry Potter Books | 0 | - | 4.31 | 277,383 |
| Harry Potter Spells | 0 | - | 4.32 | 139,016 |
| Harry Potter Places | 0 | - | 4.34 | 107,584 |
| Harry Potter - Order of the Phoenix Members | 0 | - | 4.06 | 42,830 |
| Harry Potter A-Z | 0 | - | 4.42 | 218,120 |
| Top 100 Harry Potter Characters by Mention | 0 | - | 4.93 | 389,997 |
| Harry Potter Creatures | 0 | - | 4.29 | 63,553 |
| Lord of the Rings Characters by Screen Time | 0 | - | 4.55 | 76,764 |
| The Persian Gulf War | 0 | - | 4.02 | 8,405 |
| Africa Map Quiz | 0 | - | 5.00 | 2,104,881 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,607 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,593 |
| Australian Capitals | 0 | - | 4.92 | 62,595 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 68,552 |
| U.S. Geography by Letter - S | 0 | - | 4.54 | 52,089 |
| Most Guessed North American Teams by Sport | 0 | - | 4.28 | 63,830 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,111 |
| U.S. State Nicknames Quiz | 0 | - | 4.47 | 50,275 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,480 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 743,356 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,096 |
