| Quiz | Points | Best | Rating | Takes |
|---|
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,095,526 |
| Name a Valid U.S. President #1 | 0 | - | 4.92 | 162,885 |
| The American Revolution | 0 | - | 4.51 | 51,216 |
| Countries of Europe After World War II | 0 | - | 4.98 | 167,648 |
| The Iraq War | 0 | - | 4.36 | 14,161 |
| U.S. Civil War Decoder | 0 | - | 4.04 | 23,882 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 204,215 |
| Countries in World War I | 0 | - | 4.91 | 206,447 |
| Deadliest U.S. Wars | 0 | - | 4.76 | 155,324 |
| Places Where Winston Churchill Said We Would Fight the Nazis | 0 | - | 4.49 | 13,676 |
| Neutral European Countries of WWII | 0 | - | 4.92 | 128,878 |
| Battle to Country | 0 | - | 4.87 | 33,958 |
| U.S. Cabinet Departments | 0 | - | 4.84 | 66,882 |
| The American Civil War | 0 | - | 4.63 | 48,368 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 136,205 |
| WWII First Names | 0 | - | 4.46 | 38,186 |
| The Persian Gulf War | 0 | - | 3.91 | 7,607 |
| U.S. Presidential Trivia #1 | 0 | - | 4.53 | 88,907 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.51 | 79,376 |
| U.S. Presidential Trivia #2 | 0 | - | 4.46 | 38,221 |
| Assassinated U.S. Presidents | 0 | - | 4.49 | 78,357 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 33,176 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.86 | 50,128 |
| Countries in World War II | 0 | - | 4.47 | 790,848 |
| The Vietnam War | 0 | - | 4.37 | 32,349 |
| Name a Valid U.S. President #2 | 0 | - | 4.48 | 50,817 |
| Top 10 Coldest U.S. States | 0 | - | 4.92 | 98,094 |
| Top 10 Hottest U.S. States | 0 | - | 4.83 | 98,579 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.84 | 56,462 |
| The Life of Winston Churchill | 0 | - | 4.10 | 11,268 |
| Vietnam War Countries | 0 | - | 4.76 | 85,126 |
| United States Map Quiz | 0 | - | 4.96 | 3,859,189 |
| U.S. Five-Star Generals and Admirals | 0 | - | 4.28 | 7,811 |
| All U.S. Supreme Court Justices | 0 | - | 4.49 | 26,945 |
| U.S. Vice Presidents | 0 | - | 4.40 | 116,657 |
| Governors Who Ran For President | 0 | - | 4.45 | 18,773 |
| U.S. Presidents by Event | 0 | - | 4.57 | 28,676 |
| First Ladies of the United States | 0 | - | 4.22 | 78,899 |
| Presidential Middle Names | 0 | - | 4.34 | 55,600 |
| The Franklin D. Roosevelt Presidency | 0 | - | 4.41 | 22,305 |
| The Abraham Lincoln Presidency | 0 | - | 4.53 | 24,660 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 346,204 |
| U.S. Presidents in Order - Whammies | 0 | - | 4.29 | 60,990 |
| U.S. Presidents Who Died in Office | 0 | - | 4.76 | 30,833 |
| Random U.S. Vice President to President | 0 | - | 4.57 | 22,795 |
| U.S. Vice Presidents Who Became President | 0 | - | 4.62 | 13,536 |
| Harvard University | 0 | - | 4.15 | 7,637 |
| Six Flags Over Texas | 0 | - | 4.75 | 57,973 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 98,958 |
| Important Cities in WWII | 0 | - | 4.41 | 81,797 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 109,208 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 97,114 |
| Third Most Common Language by U.S. State | 0 | - | 4.91 | 105,609 |
| People in Pictures with Barack Obama | 0 | - | 4.10 | 44,670 |
| California A-Z | 0 | - | 4.44 | 27,662 |
| 100 Most Influential Figures in U.S. History | 0 | - | 4.19 | 40,717 |
| Confederate States of the U.S. Civil War | 0 | - | 4.89 | 121,459 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.88 | 46,286 |
| Communist Countries in History | 0 | - | 4.43 | 431,472 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 96,847 |
| Top 10 Coldest Asian Countries | 0 | - | 4.96 | 115,313 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.85 | 53,373 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.88 | 99,362 |
| Monarchies of Asia | 0 | - | 4.95 | 52,523 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.95 | 80,045 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 91,344 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 107,749 |
| Category Elimination - African Geography #1 | 0 | - | 4.85 | 77,728 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 79,453 |
| U.S. State Border Crossings | 0 | - | 4.95 | 80,875 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 218,495 |
| Total United States Immigration by Country | 0 | - | 4.90 | 94,882 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.90 | 63,865 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.95 | 143,609 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.96 | 179,190 |
| U.S. Federal Agency Acronyms | 0 | - | 4.48 | 75,202 |
| U.S. Senators by State | 0 | - | 4.47 | 35,503 |
| All U.S. Supreme Court Justices Ever | 0 | - | 4.31 | 10,151 |
| U.S. Presidential Running Mates | 0 | - | 4.35 | 25,166 |
| The Thomas Jefferson Presidency | 0 | - | 4.26 | 12,748 |
| The John Adams Presidency | 0 | - | 4.10 | 7,866 |
| The Theodore Roosevelt Presidency | 0 | - | 4.30 | 7,050 |
| U.S. Vice Presidential Trivia | 0 | - | 4.16 | 11,057 |
| Cities and Towns of Massachusetts | 0 | - | 4.84 | 58,042 |
| Las Vegas Casinos Quiz | 0 | - | 4.06 | 31,393 |
| History of Texas | 0 | - | 4.41 | 13,355 |
| Last Names in U.S. History #1 | 0 | - | 4.24 | 33,950 |
| US States Quiz | 0 | - | 5.00 | 14,392,274 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 336,003 |
| Top 10 Coldest European Countries | 0 | - | 4.95 | 178,443 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 113,760 |
| Catholic Countries in Europe | 0 | - | 4.84 | 81,824 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.96 | 174,861 |
| Monarchies of Europe | 0 | - | 4.86 | 69,228 |
| Category Elimination - European Geography #1 | 0 | - | 4.94 | 195,730 |
| Category Elimination - European Geography #2 | 0 | - | 4.98 | 139,233 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 131,043 |
| The United States... or the United Kingdom? | 0 | - | 4.85 | 88,645 |
| English Monarchs Quiz | 0 | - | 4.86 | 438,599 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 219,736 |
| Top 10 Richest Countries in Asia | 0 | - | 4.85 | 71,534 |
| Countries in the Ottoman Empire | 0 | - | 4.90 | 66,446 |
| Countries Bordering China Since 1914 | 0 | - | 4.90 | 86,672 |
| Biggest Mongol Empire Countries | 0 | - | 4.91 | 66,330 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 66,151 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.86 | 66,333 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.84 | 31,244 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 34,355 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.94 | 264,593 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.47 | 33,493 |
| Pixelated United States Map | 0 | - | 4.90 | 80,005 |
| Most-Visited Countries by Americans | 0 | - | 4.85 | 90,593 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 76,532 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 122,187 |
| Biggest Trading Partners - US | 0 | - | 4.60 | 91,184 |
| Countries that Beat the United States | 0 | - | 4.89 | 141,648 |
| U.S. Presidents by Picture | 0 | - | 4.80 | 388,969 |
| Franklin... or Theodore Roosevelt | 0 | - | 4.32 | 10,596 |
| U.S. Presidents to Win the Nobel Peace Prize | 0 | - | 4.30 | 16,635 |
| U.S. Presidential Knowledge - Multiple Choice | 0 | - | 4.25 | 20,272 |
| History of California | 0 | - | 4.38 | 17,351 |
| History of Florida | 0 | - | 4.38 | 8,605 |
| History of Georgia (U.S. State) | 0 | - | 4.26 | 12,236 |
| History of Illinois | 0 | - | 4.28 | 10,324 |
| History of Massachusetts | 0 | - | 4.10 | 7,381 |
| History of Michigan | 0 | - | 4.21 | 6,179 |
| History of New York | 0 | - | 4.27 | 14,988 |
| History of New Jersey | 0 | - | 4.29 | 6,413 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.85 | 20,466 |
| History of Ohio | 0 | - | 4.12 | 6,587 |
| History of Tennessee | 0 | - | 4.21 | 6,976 |
| History of Washington State | 0 | - | 4.21 | 6,164 |
| Last Names in U.S. History #2 | 0 | - | 4.38 | 15,703 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 98,347 |
| Word Scramble - U.S. States | 0 | - | 4.96 | 452,555 |
| U.S. States with the Letter Y | 0 | - | 4.82 | 93,930 |
| 10 Southernmost U.S. States | 0 | - | 4.83 | 96,981 |
| U.S. States with Short Names | 0 | - | 4.87 | 126,491 |
| U.S. States that Start with M | 0 | - | 4.88 | 147,771 |
| U.S. States By Population | 0 | - | 4.82 | 128,381 |
| U.S. States that Start with N | 0 | - | 4.96 | 152,727 |
| U.S. States with Longest Names | 0 | - | 4.86 | 34,880 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.49 | 61,433 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.43 | 47,419 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 34,719 |
| US States with an Empty Map | 0 | - | 5.00 | 542,894 |
| 10 Northernmost U.S. States | 0 | - | 4.88 | 58,936 |
| U.S. States with a Unique First Letter | 0 | - | 4.93 | 76,204 |
| 10 Westernmost U.S. States | 0 | - | 4.96 | 57,438 |
| The Only Remaining U.S. State . . . | 0 | - | 4.94 | 43,124 |
| U.S. States with the Longest International Borders | 0 | - | 4.84 | 38,855 |
| U.S. State Superlatives #1 | 0 | - | 4.43 | 74,696 |
| U.S. State Superlatives #2 | 0 | - | 4.44 | 36,862 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 142,965 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.97 | 153,011 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.84 | 97,879 |
| Top 10 Newest U.S. States | 0 | - | 4.83 | 67,118 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.54 | 59,765 |
| Top 10 Least Obese U.S. States | 0 | - | 4.82 | 66,502 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.70 | 57,529 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.91 | 87,229 |
| U.S. States with the Most Immigrants | 0 | - | 4.84 | 71,971 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.41 | 39,011 |
| Merged U.S. States | 0 | - | 4.35 | 39,662 |
| U.S. States or European Countries by Area | 0 | - | 4.91 | 69,419 |
| Top 10 Richest Countries in Europe | 0 | - | 4.88 | 132,228 |
| Biggest Trading Partners - European Union | 0 | - | 4.90 | 63,479 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 113,803 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 140,658 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 86,415 |
| The Dictator Files: Adolf Hitler | 0 | - | 4.60 | 56,685 |
| Cities Bombed During WWII | 0 | - | 4.05 | 26,495 |
| Countries that Have Won the Most Battles | 0 | - | 4.03 | 35,483 |
| Biggest Roman Empire Countries | 0 | - | 4.84 | 80,948 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 98,074 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.91 | 174,388 |
| Members of the Fellowship of the Ring | 0 | - | 4.82 | 42,751 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.91 | 45,661 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.95 | 69,895 |
| Countries with the Most Hindus | 0 | - | 4.94 | 111,519 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 22,060 |
| South America Flags Map Quiz | 0 | - | 4.96 | 67,808 |
| Biggest Trading Partners - Colombia | 0 | - | 4.90 | 34,577 |
| Top U.S. Universities | 0 | - | 4.10 | 110,349 |
| Rivers of the United States | 0 | - | 4.92 | 48,405 |
| Countries Closest to United States A-Z | 0 | - | 4.76 | 95,407 |
| U.S. States by Governor Quiz | 0 | - | 4.42 | 16,823 |
| The U.S. Government - How Does it Work? | 0 | - | 4.30 | 39,439 |
| U.S. Government Agencies | 0 | - | 4.41 | 17,357 |
| Countries Closest to Alaska | 0 | - | 4.90 | 97,106 |
| Top 10 Los Angeles Lakers of All-Time | 0 | - | 4.24 | 40,484 |
| Hawaiian Islands | 0 | - | 4.88 | 37,949 |
| Hawaiian Islands Map Quiz | 0 | - | 4.90 | 20,732 |
| Countries Closest to Maine | 0 | - | 4.85 | 57,640 |
| New York Yankees Trivia | 0 | - | 4.36 | 5,654 |
| U.S. States that Border Tennessee | 0 | - | 4.85 | 57,319 |
| American History Quotes #1 | 0 | - | 4.37 | 90,726 |
| People on Money - United States | 0 | - | 4.31 | 61,466 |
| American History Quotes #2 | 0 | - | 4.30 | 38,968 |
| U.S. History Groups of Two | 0 | - | 4.21 | 34,890 |
