| U.S. Presidents Quiz | 0 | - | 5.00 | 3,654,517 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 189,859 |
| Top 100 UK Baby Boys' Names in 1850 | 0 | - | 4.42 | 69,325 |
| Rust Belt Cities Map Quiz | 0 | - | 4.57 | 34,889 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,608 |
| UK Baby Girl Names by Decade | 0 | - | 4.36 | 159,210 |
| UK Baby Boy Names by Decade | 0 | - | 4.37 | 131,182 |
| Vietnam War Countries | 0 | - | 4.83 | 93,610 |
| U.S. Senators by State | 0 | - | 4.45 | 39,755 |
| Name a Valid U.S. President #2 | 0 | - | 4.54 | 69,422 |
| Ultimate Harry Potter Name Game | 0 | - | 4.94 | 491,416 |
| Random American Countries on a Map | 0 | - | 4.96 | 98,639 |
| South America Flags Map Quiz | 0 | - | 4.95 | 86,623 |
| United States Map Quiz | 0 | - | 4.98 | 4,141,883 |
| Top 100 UK Baby Girls' Names in 1850 | 0 | - | 4.35 | 61,520 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,380 |
| U.S. Vice Presidents | 0 | - | 4.41 | 134,942 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 107,949 |
| U.S. Presidents by Event | 0 | - | 4.58 | 33,501 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.61 | 93,001 |
| Presidential Middle Names | 0 | - | 4.41 | 59,703 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 52,739 |
| Assassinated U.S. Presidents | 0 | - | 4.63 | 93,821 |
| U.S. Presidents Who Died in Office | 0 | - | 4.77 | 34,745 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 38,173 |
| The American Revolution | 0 | - | 4.52 | 54,057 |
| California A-Z | 0 | - | 4.49 | 28,708 |
| U.S. States by Nickname | 0 | - | 4.57 | 69,278 |
| Groups of Things - Harry Potter | 0 | - | 4.82 | 280,116 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,961 |
| Name the U.S. National Parks | 0 | - | 4.86 | 58,976 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,328 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,662 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,873 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,158 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,921 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,526 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,076 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.84 | 65,624 |
| New York Yankees Trivia | 0 | - | 4.29 | 7,121 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,493 |
| US States Quiz | 0 | - | 5.00 | 16,701,197 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,275 |
| Most Popular Baby Girls Names in Germany | 0 | - | 4.51 | 38,626 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,807 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 328,011 |
| Pixelated United States Map | 0 | - | 4.89 | 93,482 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,468 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,856 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,420 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,582 |
| U.S. Governors Who Ran For President | 0 | - | 4.47 | 20,166 |
| First Ladies of the United States | 0 | - | 4.28 | 85,245 |
| The Franklin D. Roosevelt Presidency | 0 | - | 4.43 | 23,816 |
| The Abraham Lincoln Presidency | 0 | - | 4.52 | 26,112 |
| U.S. Presidents in Order - Whammies | 0 | - | 4.32 | 76,299 |
| U.S. Vice Presidents Who Became President | 0 | - | 4.64 | 16,002 |
| Add a Letter - Make a U.S. President | 0 | - | 4.61 | 23,833 |
| People in Pictures with Barack Obama | 0 | - | 4.10 | 47,695 |
| Boston Red Sox Trivia | 0 | - | 4.09 | 7,499 |
| Las Vegas Casinos | 0 | - | 4.12 | 37,970 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,257 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,736 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 501,882 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,364 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,421 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,673 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,909 |
| U.S. States By Population | 0 | - | 4.92 | 152,371 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,405 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,867 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,587 |
| US States with an Empty Map | 0 | - | 5.00 | 618,846 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,907 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,554 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,765 |
| Draw All US State Borders | 0 | - | 4.99 | 133,621 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,885 |
| U.S. States by Alternate Nicknames | 0 | - | 4.24 | 42,804 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 158,882 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,082 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,490 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,069 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,661 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,095 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,936 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.84 | 66,834 |
| U.S. Map with Random Merged States | 0 | - | 4.94 | 300,039 |
| Merged U.S. States | 0 | - | 4.36 | 43,866 |
| Shortest U.S. Presidential Terms | 0 | - | 4.75 | 12,687 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,719 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,948 |
| Least Irish U.S. States | 0 | - | 4.49 | 18,221 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,842 |
| Monty Python Quotes | 0 | - | 4.88 | 42,324 |
| Basic Harry Potter Quiz | 0 | - | 4.56 | 377,305 |
| The Iraq War | 0 | - | 4.47 | 15,552 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 169,905 |
| Random African Flag to Country | 0 | - | 4.87 | 74,217 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 39,976 |
| Rivers of the United States | 0 | - | 4.93 | 65,518 |
| American Junk Food Brands #1 | 0 | - | 3.84 | 60,811 |
| Countries Closest to United States A-Z | 0 | - | 4.81 | 117,418 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 423,749 |
| U.S. Presidential Running Mates | 0 | - | 4.40 | 28,461 |
| The Thomas Jefferson Presidency | 0 | - | 4.26 | 13,661 |
| Random U.S. Vice President to President | 0 | - | 4.39 | 30,502 |
| 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 | 12,773 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,318 |
| California... or Florida? | 0 | - | 4.60 | 50,977 |
| Top 10 Los Angeles Lakers of All-Time | 0 | - | 4.24 | 46,503 |
| Hawaiian Islands | 0 | - | 4.83 | 42,427 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,447 |
| Harvard University | 0 | - | 4.15 | 8,263 |
| Top 20 Yankees: All-Time Home Run Leaders | 0 | - | 3.97 | 12,437 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 34,885 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,089 |
| Biggest Cities in Washington State | 0 | - | 4.43 | 35,939 |
| U.S. State Flags | 0 | - | 4.89 | 167,099 |
| U.S. States that Border Canada | 0 | - | 4.91 | 182,458 |
| U.S. States by Emoji | 0 | - | 4.48 | 100,148 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,711 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,581 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,869 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,659 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,066 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,552 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,655 |
| Random European Flag to Country | 0 | - | 4.89 | 180,895 |
| Most Popular Baby Boy Names in Germany | 0 | - | 4.34 | 66,906 |
| Harry Potter: Voldemort's Horcruxes | 0 | - | 4.44 | 112,120 |
| Africa Map with Random Merged Countries | 0 | - | 4.95 | 72,427 |
| Puerto Rico Trivia | 0 | - | 4.51 | 11,937 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 216,722 |
| Territories of the United States | 0 | - | 4.79 | 52,145 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.78 | 39,379 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,552 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 51,742 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,448 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,386 |
| Most Common High School Mascots | 0 | - | 4.47 | 31,831 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 379,578 |
| US Presidents - One Minute Sprint | 0 | - | 4.41 | 303,378 |
| 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 | 18,214 |
| U.S. Presidential Knowledge - Multiple Choice | 0 | - | 4.36 | 21,609 |
| Play-Doh Presidents | 0 | - | 5.00 | 81,676 |
| Biggest Cities in California | 0 | - | 4.35 | 139,209 |
| California Counties Map Quiz | 0 | - | 4.36 | 34,335 |
| Golden State Warriors Trivia | 0 | - | 4.23 | 24,682 |
| Los Angeles Lakers Trivia | 0 | - | 4.11 | 26,326 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,077 |
| Biggest Cities in Florida | 0 | - | 4.23 | 71,788 |
| Top 10 Boston Red Sox of All-Time | 0 | - | 3.98 | 11,803 |
| Top 10 Boston Celtics Players | 0 | - | 4.05 | 23,593 |
| Boston Celtics Trivia | 0 | - | 4.09 | 14,624 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,415 |
| New York City Geography | 0 | - | 4.42 | 32,936 |
| New York City A-Z | 0 | - | 4.18 | 32,194 |
| Top 15 New York Yankees of All-Time | 0 | - | 4.02 | 25,657 |
| New York Yankees Retired Numbers | 0 | - | 3.73 | 9,226 |
| Biggest Cities in Texas | 0 | - | 4.28 | 118,608 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,584 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 45,205 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,049 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 128,690 |
| U.S. Civil War Decoder | 0 | - | 4.14 | 25,187 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,518,662 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 218,552 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,510 |
| Random U.S. States on a Map | 0 | - | 4.96 | 621,506 |
| U.S. State Birds | 0 | - | 4.31 | 21,309 |
| Europe Map Quiz | 0 | - | 5.00 | 4,731,404 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,354 |
| Europe Map with Random Merged Countries | 0 | - | 4.97 | 315,735 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,046 |
| Name the Harry Potter Books | 0 | - | 4.31 | 277,330 |
| Harry Potter Spells | 0 | - | 4.32 | 138,987 |
| Harry Potter Places | 0 | - | 4.34 | 107,559 |
| Harry Potter - Order of the Phoenix Members | 0 | - | 4.06 | 42,825 |
| Harry Potter A-Z | 0 | - | 4.42 | 218,075 |
| Top 100 Harry Potter Characters by Mention | 0 | - | 4.93 | 389,826 |
| Harry Potter Creatures | 0 | - | 4.29 | 63,539 |
| Lord of the Rings Characters by Screen Time | 0 | - | 4.55 | 76,743 |
| The Persian Gulf War | 0 | - | 4.02 | 8,400 |
| Africa Map Quiz | 0 | - | 5.00 | 2,104,338 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,537 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,316 |
| Australian Capitals | 0 | - | 4.92 | 62,593 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 68,537 |
| U.S. Geography by Letter - S | 0 | - | 4.54 | 52,078 |
| Most Guessed North American Teams by Sport | 0 | - | 4.28 | 63,793 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,100 |
| U.S. State Nicknames Quiz | 0 | - | 4.47 | 50,263 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,477 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 743,211 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,089 |
