| U.S. Presidents Quiz | 0 | - | 5.00 | 3,653,937 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 189,830 |
| Top 100 UK Baby Boys' Names in 1850 | 0 | - | 4.42 | 69,315 |
| Rust Belt Cities Map Quiz | 0 | - | 4.57 | 34,883 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,605 |
| UK Baby Girl Names by Decade | 0 | - | 4.36 | 159,183 |
| UK Baby Boy Names by Decade | 0 | - | 4.37 | 131,082 |
| Vietnam War Countries | 0 | - | 4.83 | 93,602 |
| U.S. Senators by State | 0 | - | 4.45 | 39,751 |
| Name a Valid U.S. President #2 | 0 | - | 4.54 | 69,409 |
| Ultimate Harry Potter Name Game | 0 | - | 4.94 | 491,390 |
| Random American Countries on a Map | 0 | - | 4.96 | 98,626 |
| South America Flags Map Quiz | 0 | - | 4.95 | 86,610 |
| United States Map Quiz | 0 | - | 4.98 | 4,141,713 |
| Top 100 UK Baby Girls' Names in 1850 | 0 | - | 4.35 | 61,511 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,375 |
| U.S. Vice Presidents | 0 | - | 4.41 | 134,928 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 107,944 |
| U.S. Presidents by Event | 0 | - | 4.58 | 33,484 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.61 | 92,998 |
| Presidential Middle Names | 0 | - | 4.41 | 59,699 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 52,731 |
| Assassinated U.S. Presidents | 0 | - | 4.63 | 93,813 |
| U.S. Presidents Who Died in Office | 0 | - | 4.77 | 34,742 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 38,169 |
| The American Revolution | 0 | - | 4.52 | 54,054 |
| California A-Z | 0 | - | 4.49 | 28,707 |
| U.S. States by Nickname | 0 | - | 4.57 | 69,278 |
| Groups of Things - Harry Potter | 0 | - | 4.82 | 280,099 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,951 |
| Name the U.S. National Parks | 0 | - | 4.86 | 58,908 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,318 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,656 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,862 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,141 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,885 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,525 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,059 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.84 | 65,615 |
| New York Yankees Trivia | 0 | - | 4.29 | 7,121 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,490 |
| US States Quiz | 0 | - | 5.00 | 16,699,236 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,246 |
| Most Popular Baby Girls Names in Germany | 0 | - | 4.51 | 38,624 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,804 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,930 |
| Pixelated United States Map | 0 | - | 4.89 | 93,469 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,455 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,841 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,411 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,566 |
| U.S. Governors Who Ran For President | 0 | - | 4.47 | 20,164 |
| First Ladies of the United States | 0 | - | 4.28 | 85,242 |
| The Franklin D. Roosevelt Presidency | 0 | - | 4.43 | 23,814 |
| The Abraham Lincoln Presidency | 0 | - | 4.52 | 26,110 |
| U.S. Presidents in Order - Whammies | 0 | - | 4.32 | 76,275 |
| U.S. Vice Presidents Who Became President | 0 | - | 4.64 | 15,999 |
| Add a Letter - Make a U.S. President | 0 | - | 4.61 | 23,832 |
| People in Pictures with Barack Obama | 0 | - | 4.10 | 47,693 |
| Boston Red Sox Trivia | 0 | - | 4.09 | 7,497 |
| Las Vegas Casinos | 0 | - | 4.12 | 37,970 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,245 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,722 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 501,798 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,351 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,402 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,664 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,897 |
| U.S. States By Population | 0 | - | 4.92 | 152,359 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,394 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,859 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,577 |
| US States with an Empty Map | 0 | - | 5.00 | 618,789 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,892 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,548 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,761 |
| Draw All US State Borders | 0 | - | 4.99 | 133,584 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,873 |
| U.S. States by Alternate Nicknames | 0 | - | 4.24 | 42,803 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 158,868 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,076 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,479 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,065 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,658 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,089 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,928 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.84 | 66,826 |
| U.S. Map with Random Merged States | 0 | - | 4.94 | 300,023 |
| Merged U.S. States | 0 | - | 4.36 | 43,863 |
| Shortest U.S. Presidential Terms | 0 | - | 4.75 | 12,685 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,702 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,926 |
| Least Irish U.S. States | 0 | - | 4.49 | 18,219 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,832 |
| Monty Python Quotes | 0 | - | 4.88 | 42,323 |
| Basic Harry Potter Quiz | 0 | - | 4.56 | 377,287 |
| The Iraq War | 0 | - | 4.47 | 15,552 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 169,886 |
| Random African Flag to Country | 0 | - | 4.87 | 74,213 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 39,974 |
| Rivers of the United States | 0 | - | 4.93 | 65,508 |
| American Junk Food Brands #1 | 0 | - | 3.84 | 60,811 |
| Countries Closest to United States A-Z | 0 | - | 4.81 | 117,404 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 423,700 |
| U.S. Presidential Running Mates | 0 | - | 4.40 | 28,460 |
| The Thomas Jefferson Presidency | 0 | - | 4.26 | 13,661 |
| Random U.S. Vice President to President | 0 | - | 4.39 | 30,498 |
| The John Adams Presidency | 0 | - | 4.12 | 8,676 |
| The Theodore Roosevelt Presidency | 0 | - | 4.39 | 7,682 |
| U.S. Vice Presidential Trivia | 0 | - | 4.26 | 12,771 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,306 |
| California... or Florida? | 0 | - | 4.60 | 50,970 |
| Top 10 Los Angeles Lakers of All-Time | 0 | - | 4.24 | 46,496 |
| Hawaiian Islands | 0 | - | 4.83 | 42,427 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,437 |
| Harvard University | 0 | - | 4.15 | 8,260 |
| Top 20 Yankees: All-Time Home Run Leaders | 0 | - | 3.97 | 12,435 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 34,884 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,086 |
| Biggest Cities in Washington State | 0 | - | 4.43 | 35,937 |
| U.S. State Flags | 0 | - | 4.89 | 167,054 |
| U.S. States that Border Canada | 0 | - | 4.91 | 182,432 |
| U.S. States by Emoji | 0 | - | 4.48 | 100,141 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,689 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,569 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,859 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,656 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,055 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,548 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,649 |
| Random European Flag to Country | 0 | - | 4.89 | 180,881 |
| Most Popular Baby Boy Names in Germany | 0 | - | 4.34 | 66,904 |
| Harry Potter: Voldemort's Horcruxes | 0 | - | 4.44 | 112,116 |
| Africa Map with Random Merged Countries | 0 | - | 4.95 | 72,404 |
| Puerto Rico Trivia | 0 | - | 4.51 | 11,937 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 216,682 |
| Territories of the United States | 0 | - | 4.79 | 52,142 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.78 | 39,373 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,536 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 51,734 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,438 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,385 |
| Most Common High School Mascots | 0 | - | 4.47 | 31,829 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 379,531 |
| US Presidents - One Minute Sprint | 0 | - | 4.41 | 303,353 |
| The George Washington Presidency | 0 | - | 4.03 | 14,475 |
| Franklin... or Theodore Roosevelt | 0 | - | 4.35 | 16,870 |
| U.S. Presidents to Win the Nobel Peace Prize | 0 | - | 4.34 | 18,209 |
| U.S. Presidential Knowledge - Multiple Choice | 0 | - | 4.36 | 21,609 |
| Play-Doh Presidents | 0 | - | 5.00 | 81,665 |
| Biggest Cities in California | 0 | - | 4.35 | 139,206 |
| California Counties Map Quiz | 0 | - | 4.36 | 34,331 |
| Golden State Warriors Trivia | 0 | - | 4.23 | 24,675 |
| Los Angeles Lakers Trivia | 0 | - | 4.11 | 26,318 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,076 |
| Biggest Cities in Florida | 0 | - | 4.23 | 71,785 |
| Top 10 Boston Red Sox of All-Time | 0 | - | 3.98 | 11,801 |
| Top 10 Boston Celtics Players | 0 | - | 4.05 | 23,589 |
| Boston Celtics Trivia | 0 | - | 4.09 | 14,607 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,411 |
| New York City Geography | 0 | - | 4.42 | 32,929 |
| New York City A-Z | 0 | - | 4.18 | 32,191 |
| Top 15 New York Yankees of All-Time | 0 | - | 4.02 | 25,656 |
| New York Yankees Retired Numbers | 0 | - | 3.73 | 9,226 |
| Biggest Cities in Texas | 0 | - | 4.28 | 118,605 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,583 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 45,204 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,049 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 128,685 |
| U.S. Civil War Decoder | 0 | - | 4.14 | 25,187 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,518,422 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 218,526 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,495 |
| Random U.S. States on a Map | 0 | - | 4.96 | 621,399 |
| U.S. State Birds | 0 | - | 4.31 | 21,308 |
| Europe Map Quiz | 0 | - | 5.00 | 4,730,997 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,322 |
| Europe Map with Random Merged Countries | 0 | - | 4.97 | 315,716 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,032 |
| Name the Harry Potter Books | 0 | - | 4.31 | 277,312 |
| Harry Potter Spells | 0 | - | 4.32 | 138,975 |
| Harry Potter Places | 0 | - | 4.34 | 107,553 |
| Harry Potter - Order of the Phoenix Members | 0 | - | 4.06 | 42,820 |
| Harry Potter A-Z | 0 | - | 4.42 | 218,053 |
| Top 100 Harry Potter Characters by Mention | 0 | - | 4.93 | 389,776 |
| Harry Potter Creatures | 0 | - | 4.29 | 63,533 |
| Lord of the Rings Characters by Screen Time | 0 | - | 4.55 | 76,735 |
| The Persian Gulf War | 0 | - | 4.02 | 8,400 |
| Africa Map Quiz | 0 | - | 5.00 | 2,104,199 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,518 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,265 |
| Australian Capitals | 0 | - | 4.92 | 62,593 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 68,533 |
| U.S. Geography by Letter - S | 0 | - | 4.54 | 52,075 |
| Most Guessed North American Teams by Sport | 0 | - | 4.28 | 63,786 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,096 |
| U.S. State Nicknames Quiz | 0 | - | 4.47 | 50,261 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,473 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 743,148 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,087 |
