| U.S. Presidents Quiz | 0 | - | 5.00 | 3,654,830 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 189,875 |
| Top 100 UK Baby Boys' Names in 1850 | 0 | - | 4.42 | 69,327 |
| 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 | 159,222 |
| UK Baby Boy Names by Decade | 0 | - | 4.37 | 131,209 |
| Vietnam War Countries | 0 | - | 4.83 | 93,616 |
| U.S. Senators by State | 0 | - | 4.45 | 39,757 |
| Name a Valid U.S. President #2 | 0 | - | 4.54 | 69,427 |
| Ultimate Harry Potter Name Game | 0 | - | 4.94 | 491,437 |
| Random American Countries on a Map | 0 | - | 4.96 | 98,645 |
| South America Flags Map Quiz | 0 | - | 4.95 | 86,630 |
| United States Map Quiz | 0 | - | 4.98 | 4,141,992 |
| Top 100 UK Baby Girls' Names in 1850 | 0 | - | 4.35 | 61,527 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,380 |
| U.S. Vice Presidents | 0 | - | 4.41 | 134,947 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 107,957 |
| U.S. Presidents by Event | 0 | - | 4.58 | 33,509 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.61 | 93,005 |
| Presidential Middle Names | 0 | - | 4.41 | 59,712 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 52,744 |
| Assassinated U.S. Presidents | 0 | - | 4.63 | 93,823 |
| U.S. Presidents Who Died in Office | 0 | - | 4.77 | 34,746 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 38,176 |
| The American Revolution | 0 | - | 4.52 | 54,058 |
| 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 | 280,124 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,962 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,005 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,343 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,665 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,877 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,184 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,943 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,529 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,082 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.84 | 65,627 |
| New York Yankees Trivia | 0 | - | 4.29 | 7,121 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,501 |
| US States Quiz | 0 | - | 5.00 | 16,702,051 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,285 |
| Most Popular Baby Girls Names in Germany | 0 | - | 4.51 | 38,626 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,809 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 328,049 |
| Pixelated United States Map | 0 | - | 4.89 | 93,490 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,480 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,860 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,424 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,586 |
| U.S. Governors Who Ran For President | 0 | - | 4.47 | 20,168 |
| First Ladies of the United States | 0 | - | 4.28 | 85,246 |
| 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 | 76,300 |
| U.S. Vice Presidents Who Became President | 0 | - | 4.64 | 16,002 |
| Add a Letter - Make a U.S. President | 0 | - | 4.61 | 23,837 |
| People in Pictures with Barack Obama | 0 | - | 4.10 | 47,696 |
| Boston Red Sox Trivia | 0 | - | 4.09 | 7,499 |
| Las Vegas Casinos | 0 | - | 4.12 | 37,972 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,264 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,743 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 501,920 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,373 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,425 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,681 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,920 |
| U.S. States By Population | 0 | - | 4.92 | 152,380 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,410 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,869 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,596 |
| US States with an Empty Map | 0 | - | 5.00 | 618,879 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,908 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,559 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,767 |
| Draw All US State Borders | 0 | - | 4.99 | 133,646 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,889 |
| U.S. States by Alternate Nicknames | 0 | - | 4.24 | 42,805 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 158,887 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,086 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,498 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,073 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,662 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,108 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,940 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.84 | 66,840 |
| U.S. Map with Random Merged States | 0 | - | 4.94 | 300,044 |
| Merged U.S. States | 0 | - | 4.36 | 43,868 |
| Shortest U.S. Presidential Terms | 0 | - | 4.75 | 12,689 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,722 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,958 |
| Least Irish U.S. States | 0 | - | 4.49 | 18,221 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,847 |
| Monty Python Quotes | 0 | - | 4.88 | 42,325 |
| Basic Harry Potter Quiz | 0 | - | 4.56 | 377,317 |
| The Iraq War | 0 | - | 4.47 | 15,556 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 169,909 |
| Random African Flag to Country | 0 | - | 4.87 | 74,219 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 39,977 |
| Rivers of the United States | 0 | - | 4.93 | 65,523 |
| American Junk Food Brands #1 | 0 | - | 3.84 | 60,811 |
| Countries Closest to United States A-Z | 0 | - | 4.81 | 117,421 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 423,787 |
| 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 | 8,677 |
| The Theodore Roosevelt Presidency | 0 | - | 4.39 | 7,682 |
| U.S. Vice Presidential Trivia | 0 | - | 4.26 | 12,774 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,319 |
| California... or Florida? | 0 | - | 4.60 | 50,979 |
| Top 10 Los Angeles Lakers of All-Time | 0 | - | 4.24 | 46,503 |
| Hawaiian Islands | 0 | - | 4.83 | 42,429 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,448 |
| 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 | 34,886 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,090 |
| Biggest Cities in Washington State | 0 | - | 4.43 | 35,940 |
| U.S. State Flags | 0 | - | 4.89 | 167,122 |
| U.S. States that Border Canada | 0 | - | 4.91 | 182,475 |
| U.S. States by Emoji | 0 | - | 4.48 | 100,155 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,728 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,586 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,878 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,665 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,074 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,556 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,661 |
| Random European Flag to Country | 0 | - | 4.89 | 180,918 |
| Most Popular Baby Boy Names in Germany | 0 | - | 4.34 | 66,906 |
| Harry Potter: Voldemort's Horcruxes | 0 | - | 4.44 | 112,122 |
| Africa Map with Random Merged Countries | 0 | - | 4.95 | 72,432 |
| Puerto Rico Trivia | 0 | - | 4.51 | 11,937 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 216,741 |
| Territories of the United States | 0 | - | 4.79 | 52,145 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.78 | 39,383 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,556 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 51,745 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,450 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,387 |
| Most Common High School Mascots | 0 | - | 4.47 | 31,832 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 379,593 |
| US Presidents - One Minute Sprint | 0 | - | 4.41 | 303,388 |
| The George Washington Presidency | 0 | - | 4.03 | 14,476 |
| 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 | 81,680 |
| Biggest Cities in California | 0 | - | 4.35 | 139,214 |
| California Counties Map Quiz | 0 | - | 4.36 | 34,336 |
| Golden State Warriors Trivia | 0 | - | 4.23 | 24,682 |
| Los Angeles Lakers Trivia | 0 | - | 4.11 | 26,329 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,079 |
| Biggest Cities in Florida | 0 | - | 4.23 | 71,791 |
| Top 10 Boston Red Sox of All-Time | 0 | - | 3.98 | 11,803 |
| Top 10 Boston Celtics Players | 0 | - | 4.05 | 23,594 |
| Boston Celtics Trivia | 0 | - | 4.09 | 14,628 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,417 |
| New York City Geography | 0 | - | 4.42 | 32,938 |
| 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 | 118,619 |
| 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 | 128,691 |
| U.S. Civil War Decoder | 0 | - | 4.14 | 25,187 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,518,777 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 218,564 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,519 |
| Random U.S. States on a Map | 0 | - | 4.96 | 621,567 |
| U.S. State Birds | 0 | - | 4.31 | 21,310 |
| Europe Map Quiz | 0 | - | 5.00 | 4,731,583 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,363 |
| Europe Map with Random Merged Countries | 0 | - | 4.97 | 315,748 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,048 |
| Name the Harry Potter Books | 0 | - | 4.31 | 277,342 |
| Harry Potter Spells | 0 | - | 4.32 | 138,990 |
| Harry Potter Places | 0 | - | 4.34 | 107,562 |
| Harry Potter - Order of the Phoenix Members | 0 | - | 4.06 | 42,825 |
| Harry Potter A-Z | 0 | - | 4.42 | 218,079 |
| Top 100 Harry Potter Characters by Mention | 0 | - | 4.93 | 389,860 |
| Harry Potter Creatures | 0 | - | 4.29 | 63,540 |
| Lord of the Rings Characters by Screen Time | 0 | - | 4.55 | 76,747 |
| The Persian Gulf War | 0 | - | 4.02 | 8,402 |
| Africa Map Quiz | 0 | - | 5.00 | 2,104,436 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,541 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,361 |
| Australian Capitals | 0 | - | 4.92 | 62,594 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 68,538 |
| U.S. Geography by Letter - S | 0 | - | 4.54 | 52,080 |
| Most Guessed North American Teams by Sport | 0 | - | 4.28 | 63,801 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,100 |
| U.S. State Nicknames Quiz | 0 | - | 4.47 | 50,264 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,477 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 743,224 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,089 |
