| Quiz | Points | Best | Rating | Takes |
|---|
| US States Quiz | 0 | - | 5.00 | 12,302,300 |
| U.S. Presidents Quiz | 0 | - | 4.99 | 2,684,085 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,341,309 |
| U.S. Presidents by Picture | 0 | - | 4.82 | 348,283 |
| Canada Provinces and Territories | 0 | - | 4.99 | 252,038 |
| U.S. Vice Presidents | 0 | - | 4.38 | 95,703 |
| Letters of the Greek Alphabet | 0 | - | 4.92 | 500,975 |
| Olympian Gods Quiz | 0 | - | 4.95 | 404,052 |
| All U.S. Supreme Court Justices | 0 | - | 4.40 | 24,808 |
| English Monarchs Quiz | 0 | - | 4.85 | 380,180 |
| U.S. Federal Agency Acronyms | 0 | - | 4.45 | 64,292 |
| U.S. Cabinet Departments | 0 | - | 4.78 | 55,291 |
| People on Money - United States | 0 | - | 4.30 | 59,174 |
| Governors Who Ran For President | 0 | - | 4.38 | 17,307 |
| Figures from Greek Mythology | 0 | - | 4.85 | 150,547 |
| Roman Numeral Decoding Quiz | 0 | - | 4.85 | 342,189 |
| U.S. Presidents by State | 0 | - | 4.27 | 61,226 |
| U.S. Presidential Quotes | 0 | - | 4.28 | 40,037 |
| Commonwealth of Nations Countries | 0 | - | 4.92 | 205,473 |
| U.S. Presidential Trivia #1 | 0 | - | 4.54 | 83,056 |
| U.S. State Shapes Quiz #2 | 0 | - | 4.82 | 84,889 |
| Prime Ministers of the UK | 0 | - | 4.93 | 321,427 |
| Canadian Prime Ministers Quiz | 0 | - | 4.48 | 38,423 |
| Name that Greek Letter | 0 | - | 4.90 | 256,960 |
| NATO Countries Quiz | 0 | - | 4.97 | 202,084 |
| EU Countries Quiz | 0 | - | 4.99 | 207,204 |
| Deadliest U.S. Wars | 0 | - | 4.81 | 141,984 |
| Countries in World War I | 0 | - | 4.91 | 183,195 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 82,300 |
| Countries of North America Quiz | 0 | - | 5.00 | 709,306 |
| U.S. Presidents by Event | 0 | - | 4.57 | 25,620 |
| U.S. States that Border Tennessee | 0 | - | 4.86 | 53,026 |
| U.S. Bill of Rights | 0 | - | 4.51 | 29,190 |
| Vietnam War Countries | 0 | - | 4.78 | 76,843 |
| Central American Countries | 0 | - | 4.96 | 122,737 |
| North America Capitals Quiz | 0 | - | 4.99 | 155,325 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 304,355 |
| Countries of the Soviet Union | 0 | - | 4.99 | 146,529 |
| Ultimate Harry Potter Name Game | 0 | - | 4.96 | 427,476 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.91 | 92,222 |
| The American Revolution | 0 | - | 4.47 | 47,659 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.88 | 53,618 |
| Presidential Running Mates Quiz | 0 | - | 4.17 | 15,414 |
| Groups of Things - Harry Potter | 0 | - | 4.78 | 236,236 |
| U.S. State Border Crossings | 0 | - | 4.94 | 70,475 |
| Presidential Actors | 0 | - | 4.40 | 15,996 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.52 | 121,662 |
| Losing U.S. Presidential Candidates | 0 | - | 4.49 | 64,078 |
| U.S. Senators by State | 0 | - | 4.43 | 24,588 |
| First Ladies of the United States | 0 | - | 4.21 | 68,114 |
| First Names of U.S. Presidents | 0 | - | 4.87 | 296,938 |
| Presidential Middle Names | 0 | - | 4.31 | 45,864 |
| U.S. Citizenship Test Questions | 0 | - | 4.84 | 184,945 |
| The George W. Bush Presidency | 0 | - | 3.92 | 29,209 |
| The Bill Clinton Presidency | 0 | - | 4.12 | 28,265 |
| The George H. W. Bush Presidency | 0 | - | 4.34 | 19,035 |
| The Ronald Reagan Presidency | 0 | - | 4.21 | 21,704 |
| The Richard Nixon Presidency | 0 | - | 3.95 | 19,330 |
| The Jimmy Carter Presidency | 0 | - | 4.24 | 16,459 |
| The John F. Kennedy Presidency | 0 | - | 4.36 | 38,126 |
| The Franklin D. Roosevelt Presidency | 0 | - | 4.37 | 20,360 |
| The Abraham Lincoln Presidency | 0 | - | 4.51 | 22,785 |
| The American Civil War | 0 | - | 4.58 | 44,451 |
| Word Scramble - U.S. States | 0 | - | 4.94 | 390,903 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 525,544 |
| Central America and Caribbean Map Quiz | 0 | - | 4.86 | 789,390 |
| Top 10 Coldest U.S. States | 0 | - | 4.93 | 90,117 |
| Confederate States of the U.S. Civil War | 0 | - | 4.93 | 103,569 |
| Six Flags Over Texas | 0 | - | 4.74 | 42,265 |
| Third Most Common Language by U.S. State | 0 | - | 4.91 | 97,290 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 181,948 |
| Countries of the Japanese Empire | 0 | - | 4.95 | 75,032 |
| U.S. States that Start with M | 0 | - | 4.92 | 135,761 |
| U.S. States that Start with N | 0 | - | 4.95 | 119,869 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.94 | 120,856 |
| U.S. States with the Lowest Population Density | 0 | - | 4.90 | 74,659 |
| U.S. Presidential Trivia #2 | 0 | - | 4.41 | 35,489 |
| Countries Closest to Canada | 0 | - | 4.93 | 157,052 |
| Countries Closest to Alaska | 0 | - | 4.86 | 77,464 |
| Countries Closest to Maine | 0 | - | 4.90 | 43,889 |
| U.S. States that Border Canada | 0 | - | 4.90 | 126,339 |
| United States Map Quiz | 0 | - | 4.96 | 3,584,970 |
| Top 100 Harry Potter Characters by Mention | 0 | - | 4.95 | 301,609 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 129,122 |
| U.S. States with the Most Immigrants | 0 | - | 4.84 | 55,887 |
| US Presidents Breakdown Puzzle #1 | 0 | - | 3.65 | 18,487 |
| American Revolution Decoder | 0 | - | 4.10 | 18,366 |
| U.S. Civil War Decoder | 0 | - | 4.01 | 22,386 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.94 | 150,821 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.92 | 59,335 |
| US Presidents - 1 Minute Sprint | 0 | - | 4.35 | 239,274 |
| Countries Closest to United States by Continent | 0 | - | 5.00 | 112,281 |
| 100 Most Influential Figures in U.S. History | 0 | - | 4.20 | 37,624 |
| Neutral European Countries of WWII | 0 | - | 4.95 | 111,037 |
| U.S. Presidents Who Died in Office | 0 | - | 4.71 | 27,540 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.93 | 118,420 |
| US State Capitals Quiz - No Hints | 0 | - | 4.97 | 72,999 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 123,492 |
| Top 10 Least Populous U.S. States | 0 | - | 4.95 | 146,914 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.87 | 92,367 |
| Assassinated U.S. Presidents | 0 | - | 4.57 | 71,707 |
| US States with an Empty Map | 0 | - | 5.00 | 450,491 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.96 | 143,782 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 72,096 |
| Top 10 U.S. States by Democratic Party Support | 0 | - | 4.45 | 47,469 |
| Top 10 U.S. States by Republican Party Support | 0 | - | 4.30 | 48,324 |
| All U.S. Supreme Court Justices Ever | 0 | - | 4.31 | 8,718 |
| Top 10 Hottest U.S. States | 0 | - | 4.85 | 89,669 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 143,962 |
| Countries of Europe After World War II | 0 | - | 4.97 | 143,724 |
| Countries that Visit the United States the Most | 0 | - | 4.89 | 47,528 |
| Countries of Europe Before World War I | 0 | - | 5.00 | 112,666 |
| Top 10 Coldest European Countries | 0 | - | 4.93 | 144,005 |
| Total United States Immigration by Country | 0 | - | 4.94 | 87,638 |
| The Barack Obama Presidency | 0 | - | 4.10 | 21,071 |
| The George Washington Presidency | 0 | - | 3.89 | 8,722 |
| The John Adams Presidency | 0 | - | 4.04 | 7,032 |
| The Thomas Jefferson Presidency | 0 | - | 4.18 | 11,728 |
| 10 Northernmost U.S. States | 0 | - | 4.85 | 52,381 |
| U.S. State Capitals Map Quiz | 0 | - | 4.89 | 109,133 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.68 | 51,892 |
| Top 10 Swing States in U.S. Elections | 0 | - | 4.41 | 48,346 |
| Top 10 Newest U.S. States | 0 | - | 4.82 | 62,163 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.84 | 57,992 |
| People in Pictures with Ronald Reagan | 0 | - | 4.28 | 34,236 |
| People in Pictures with Barack Obama | 0 | - | 4.07 | 42,159 |
| Random U.S. Vice President to President | 0 | - | 4.55 | 18,076 |
| U.S. Vice Presidents Who Became President | 0 | - | 4.56 | 10,766 |
| U.S. States or European Countries by Area | 0 | - | 4.91 | 63,583 |
| U.S. States or European Countries by Population | 0 | - | 4.96 | 96,425 |
| U.S. States or European Countries by GDP | 0 | - | 4.97 | 58,966 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.89 | 36,773 |
| 10 Westernmost U.S. States | 0 | - | 4.96 | 41,804 |
| Countries that Beat the United States | 0 | - | 4.85 | 104,321 |
| North America Map Quiz | 0 | - | 4.97 | 150,342 |
| The Kennedy Family | 0 | - | 3.48 | 6,119 |
| Soviet Union Country Quiz | 0 | - | 4.79 | 56,606 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.98 | 142,767 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.30 | 24,531 |
| The Vietnam War | 0 | - | 4.38 | 28,987 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.92 | 125,924 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.86 | 56,931 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.81 | 47,963 |
| History of California | 0 | - | 4.33 | 15,980 |
| History of New York | 0 | - | 4.34 | 13,653 |
| History of Michigan | 0 | - | 4.18 | 5,551 |
| History of Illinois | 0 | - | 4.30 | 9,511 |
| History of Massachusetts | 0 | - | 4.09 | 6,607 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.87 | 43,739 |
| History of Texas | 0 | - | 4.41 | 11,617 |
| History of Florida | 0 | - | 4.37 | 7,397 |
| History of Ohio | 0 | - | 4.16 | 6,006 |
| History of New Jersey | 0 | - | 4.19 | 5,689 |
| History of Georgia (U.S. State) | 0 | - | 4.25 | 11,416 |
| History of Tennessee | 0 | - | 4.37 | 6,456 |
| History of Washington State | 0 | - | 4.17 | 5,627 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.53 | 46,963 |
| Most Guessed U.S. Cities | 0 | - | 4.91 | 69,672 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.45 | 54,337 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.53 | 43,410 |
| Hottest U.S. State Capitals | 0 | - | 4.65 | 19,008 |
| U.S. President Scramble | 0 | - | 4.31 | 80,703 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 61,911 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.82 | 42,897 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.92 | 45,938 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 116,656 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.95 | 205,964 |
| 500 Biggest US Cities | 0 | - | 4.88 | 76,215 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.92 | 129,194 |
| U.S. Presidents to Win the Nobel Peace Prize | 0 | - | 4.29 | 14,971 |
| American History A-Z | 0 | - | 4.18 | 14,553 |
| Random State Capital to U.S. State | 0 | - | 4.82 | 58,641 |
| The Only Remaining U.S. State . . . | 0 | - | 4.94 | 36,605 |
| U.S. Presidents With Facial Hair By Picture | 0 | - | 4.39 | 17,605 |
| Two Letter Roman Numerals | 0 | - | 4.94 | 28,332 |
| Name a Valid U.S. State #1 | 0 | - | 4.90 | 148,375 |
| Louisiana Purchase with a Map | 0 | - | 4.94 | 30,497 |
| The United States... or the United Kingdom? | 0 | - | 4.93 | 78,618 |
| The Theodore Roosevelt Presidency | 0 | - | 4.37 | 6,449 |
| Franklin... or Theodore Roosevelt | 0 | - | 4.34 | 9,610 |
| U.S. Presidential Knowledge - Multiple Choice | 0 | - | 4.10 | 10,680 |
| Name a Valid U.S. President #1 | 0 | - | 4.93 | 126,477 |
| U.S. Presidents True or False | 0 | - | 3.96 | 13,134 |
| Random Sequential U.S. States on a Map | 0 | - | 5.00 | 178,433 |
| Harvard University | 0 | - | 4.07 | 6,701 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 159,014 |
| Pixelated United States Map | 0 | - | 4.92 | 68,232 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 94,395 |
| Every U.S. Metro Area on a Map | 0 | - | 4.96 | 45,851 |
| George Bush... or George Bush | 0 | - | 3.87 | 7,001 |
| Most-Visited U.S. Cities | 0 | - | 4.88 | 41,121 |
| Random Sequential European Countries on a Map | 0 | - | 4.99 | 177,190 |
| Random U.S. States on a Map | 0 | - | 4.93 | 327,680 |
| Random U.S. Presidents by Picture | 0 | - | 4.27 | 37,180 |
| Random U.S. State Capitals on a Map | 0 | - | 4.87 | 69,232 |
| Name a Valid U.S. President #2 | 0 | - | 4.51 | 40,789 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.43 | 19,656 |
| Name a Valid U.S. State Capital | 0 | - | 4.90 | 44,627 |
| Great Plains States and Provinces on a Map | 0 | - | 4.94 | 31,058 |
| Category Elimination - European Geography #1 | 0 | - | 4.96 | 169,077 |
