| History by Letter - B | 0 | - | 4.45 | 173,034 |
| History by Letter - C | 0 | - | 4.70 | 172,369 |
| History by Letter - E | 0 | - | 4.51 | 141,276 |
| History by Letter - G | 0 | - | 4.46 | 122,711 |
| History by Letter - H | 0 | - | 4.45 | 137,368 |
| History by Letter - J | 0 | - | 4.51 | 154,758 |
| History by Letter - N | 0 | - | 4.45 | 104,646 |
| History by Letter - S | 0 | - | 4.47 | 94,832 |
| History by Letter - W | 0 | - | 4.45 | 110,058 |
| History by Letter - M | 0 | - | 4.54 | 120,515 |
| History by Letter - K | 0 | - | 4.50 | 101,839 |
| History by Letter - L | 0 | - | 4.50 | 112,636 |
| History by Letter - I | 0 | - | 4.46 | 104,864 |
| History by Letter - D | 0 | - | 4.40 | 138,393 |
| History by Letter - F | 0 | - | 4.18 | 114,930 |
| History by Letter - O | 0 | - | 4.32 | 99,937 |
| History by Letter - P | 0 | - | 4.36 | 108,307 |
| History by Letter - Q | 0 | - | 4.34 | 80,681 |
| History by Letter - T | 0 | - | 4.39 | 105,677 |
| History by Letter - U | 0 | - | 4.19 | 101,197 |
| History by Letter - V | 0 | - | 4.27 | 81,109 |
| History by Letter - Y | 0 | - | 4.27 | 87,622 |
| History by Letter - Z | 0 | - | 4.20 | 77,367 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,317 |
| History Containing the Letter X | 0 | - | 4.47 | 27,124 |
| History Containing the Letter Z | 0 | - | 4.53 | 23,511 |
| Empires A-Z | 0 | - | 4.52 | 45,374 |
| Same Start and End Letter - History #1 | 0 | - | 4.18 | 24,787 |
| Same Start and End Letter - History #2 | 0 | - | 4.13 | 25,761 |
| History Ending in Z | 0 | - | 4.35 | 13,578 |
| Countries that Start with a Vowel | 0 | - | 4.99 | 154,890 |
| Geography by Letter - T | 0 | - | 4.84 | 154,832 |
| People in History A-Z #1 | 0 | - | 4.63 | 99,578 |
| People in History A-Z #2 | 0 | - | 4.47 | 55,384 |
| People in History A-Z #3 | 0 | - | 4.44 | 46,388 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.87 | 82,813 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 108,640 |
| Southernmost Countries A-Z | 0 | - | 4.95 | 153,936 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 196,400 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 170,727 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 193,612 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 301,649 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 181,041 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 73,309 |
| 20th Century A-Z | 0 | - | 4.50 | 53,913 |
| 19th Century A-Z | 0 | - | 4.77 | 47,421 |
| 18th Century A-Z | 0 | - | 4.54 | 43,277 |
| "Second Best" History Edition | 0 | - | 4.94 | 63,801 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 74,344 |
| Countries That Were Invaded | 0 | - | 4.55 | 97,727 |
| People in History A-Z #5 | 0 | - | 4.09 | 32,086 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 238,234 |
| Name an Official Language A-Z | 0 | - | 4.91 | 176,662 |
| People Depicted in Paintings | 0 | - | 4.55 | 44,776 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,592 |
| Territory Changes in World War I | 0 | - | 4.87 | 47,041 |
| 16th Century A-Z | 0 | - | 4.58 | 24,983 |
| 15th Century A-Z | 0 | - | 4.49 | 23,989 |
| 14th Century A-Z | 0 | - | 4.41 | 24,468 |
| 17th Century A-Z | 0 | - | 4.78 | 34,724 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,932 |
| NATO Military Alphabet | 0 | - | 4.98 | 563,132 |
| Religion A-Z #2 | 0 | - | 4.41 | 37,094 |
| Geography by Letter - A | 0 | - | 4.74 | 212,526 |
| Geography by Letter - B | 0 | - | 4.56 | 185,511 |
| Geography by Letter - H | 0 | - | 4.69 | 151,042 |
| Geography by Letter - C | 0 | - | 4.48 | 159,482 |
| Geography by Letter - D | 0 | - | 4.50 | 151,469 |
| Geography by Letter - E | 0 | - | 4.42 | 148,293 |
| Geography by Letter - I | 0 | - | 4.42 | 122,569 |
| Geography by Letter - K | 0 | - | 4.54 | 118,919 |
| Geography by Letter - L | 0 | - | 4.44 | 149,396 |
| Geography by Letter - M | 0 | - | 4.49 | 119,410 |
| Geography by Letter - N | 0 | - | 4.51 | 127,769 |
| Geography by Letter - P | 0 | - | 4.47 | 176,703 |
| Geography by Letter - R | 0 | - | 4.43 | 132,403 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 141,236 |
| Geography by Letter - U | 0 | - | 4.53 | 143,732 |
| Asian Geography By Letter - K | 0 | - | 4.75 | 58,295 |
| Geography Containing the Letter X | 0 | - | 4.42 | 34,743 |
| Geography Containing the Letter Q | 0 | - | 4.56 | 43,115 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,512 |
| Geography A-Z #2 | 0 | - | 4.46 | 53,078 |
| Geography A-Z #5 | 0 | - | 4.44 | 37,471 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,752 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,524 |
| Movies that Start with G | 0 | - | 4.49 | 68,754 |
| Movies that Start with I | 0 | - | 4.41 | 65,362 |
| Former Countries by Territory Map | 0 | - | 4.96 | 103,462 |
| Empires by Maps | 0 | - | 4.98 | 121,457 |
| Ultimate 20th Century History Quiz | 0 | - | 4.87 | 54,007 |
| Famous Battles Quiz | 0 | - | 4.21 | 49,085 |
| Name the War | 0 | - | 4.37 | 202,621 |
| Famous U.S. Generals | 0 | - | 4.27 | 38,608 |
| Famous Firsts #1 | 0 | - | 4.40 | 69,400 |
| Famous Families #1 | 0 | - | 4.20 | 83,704 |
| Names for Warriors | 0 | - | 4.40 | 37,025 |
| Famous Firsts #2 | 0 | - | 4.01 | 81,388 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,536 |
| People in History A-Z #4 | 0 | - | 4.11 | 23,156 |
| Countries by Military Spending | 0 | - | 4.93 | 178,747 |
| Classic Novels by Plot #2 | 0 | - | 4.87 | 38,477 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 121,488 |
| Name a Minecraft Mob A-Z | 0 | - | 4.88 | 43,302 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,667 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,722 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,909 |
| WWII A-Z #1 | 0 | - | 4.73 | 103,254 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,818 |
| People in History by Wikipedia Descriptions #1 | 0 | - | 4.42 | 44,444 |
| People in History by Wikipedia Descriptions #2 | 0 | - | 4.42 | 39,538 |
| People in History by Wikipedia Descriptions #3 | 0 | - | 4.50 | 36,746 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,323,072 |
| Animals that Start with L | 0 | - | 4.47 | 102,353 |
| Animals that Start with P | 0 | - | 4.45 | 86,398 |
| Animals that Start with S | 0 | - | 4.49 | 87,599 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 90,936 |
| Geography by Letter on the World Map - C | 0 | - | 4.77 | 118,348 |
| World Cities A-Z by Clue #1 | 0 | - | 4.51 | 68,601 |
| Islands A-Z | 0 | - | 4.45 | 126,786 |
| World Cities A-Z by Clue #2 | 0 | - | 4.41 | 59,436 |
| Human Body A-Z | 0 | - | 4.51 | 129,532 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 42,849 |
| Africa A-Z | 0 | - | 4.57 | 46,737 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.70 | 58,136 |
| Ethnic Groups A-Z | 0 | - | 4.51 | 42,451 |
| Space Exploration Trivia | 0 | - | 4.38 | 35,447 |
| Military History A-Z | 0 | - | 4.20 | 21,223 |
| Famous Generals - Non U.S. | 0 | - | 4.59 | 15,202 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,456 |
| Brand Logos That Start With D | 0 | - | 4.36 | 62,011 |
| Brand Logos That Start With C | 0 | - | 4.20 | 49,999 |
| Brand Logos That Start With L | 0 | - | 4.39 | 61,710 |
| Brand Logos That Start With M | 0 | - | 4.38 | 63,337 |
| Brand Logos That Start With S | 0 | - | 4.37 | 58,097 |
| Disney A-Z | 0 | - | 4.37 | 87,400 |
| Literature by Letter - A | 0 | - | 4.24 | 32,308 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,384 |
| Companies A-Z | 0 | - | 4.30 | 42,753 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,710 |
| Geography by Letter - G | 0 | - | 4.33 | 126,888 |
| Geography by Letter - F | 0 | - | 4.28 | 138,615 |
| Geography by Letter - J | 0 | - | 4.35 | 123,494 |
| Geography by Letter - O | 0 | - | 4.37 | 130,307 |
| Geography by Letter - V | 0 | - | 4.39 | 122,368 |
| Geography by Letter - W | 0 | - | 4.39 | 115,321 |
| Geography by Letter - Y | 0 | - | 4.39 | 112,014 |
| Geography by Letter - Z | 0 | - | 4.11 | 82,050 |
| Geography by Letter - Q | 0 | - | 4.38 | 69,933 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.15 | 35,352 |
| Geography Containing the Letter Z | 0 | - | 4.49 | 27,948 |
| Video Games A-Z | 0 | - | 4.05 | 39,178 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,365 |
| Movies that Start with A | 0 | - | 4.13 | 62,078 |
| Movies that Start with C | 0 | - | 4.30 | 62,067 |
| Movies that Start with B | 0 | - | 4.36 | 85,637 |
| Movies that Start with D | 0 | - | 4.34 | 68,609 |
| Movies that Start with E | 0 | - | 4.13 | 68,552 |
| Movies that Start with J | 0 | - | 4.18 | 76,369 |
| Movies that Start with L | 0 | - | 4.16 | 60,561 |
| Movies that Start with M | 0 | - | 4.28 | 48,364 |
| Movies that Start with N | 0 | - | 4.02 | 41,357 |
| Movies that Start with P | 0 | - | 4.25 | 54,256 |
| Movies that Start with R | 0 | - | 4.17 | 46,774 |
| Movies that Start with W | 0 | - | 4.07 | 44,352 |
| Movies that Start with T | 0 | - | 4.34 | 49,426 |
| Movies that Start with S | 0 | - | 4.35 | 56,603 |
| Movies that Start with F | 0 | - | 4.13 | 69,035 |
| Music by Letter - F | 0 | - | 4.47 | 27,103 |
| Music by Letter - A | 0 | - | 4.61 | 31,493 |
| Influential Women in History | 0 | - | 4.42 | 36,219 |
| Metals of Antiquity | 0 | - | 4.95 | 93,783 |
| Cradles of Civilization | 0 | - | 4.46 | 40,171 |
| Materials From History #1 | 0 | - | 4.56 | 51,952 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 47,021 |
| History: What Came First? #1 | 0 | - | 4.87 | 105,746 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 709,534 |
| WWI... or WWII? | 0 | - | 4.85 | 143,016 |
| Oldest Things | 0 | - | 3.92 | 65,699 |
| Famous Homes - Who Lived There? | 0 | - | 4.09 | 26,849 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 146,409 |
| Famous Explorers | 0 | - | 4.58 | 36,296 |
| Famous Empires by Description | 0 | - | 4.73 | 118,849 |
| Answers by Time Period | 0 | - | 4.64 | 55,794 |
| Famous Firsts #3 - The United States | 0 | - | 4.20 | 14,929 |
| Years in History #1 - Multiple Choice | 0 | - | 4.82 | 70,521 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 158,170 |
| Top Five Exporting Partners by Country | 0 | - | 4.86 | 67,351 |
| Middle East A-Z | 0 | - | 4.47 | 46,204 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.46 | 44,489 |
| Google What's the Difference? - History | 0 | - | 4.20 | 46,341 |
| Notable People of WWII | 0 | - | 4.53 | 86,109 |
| WWII Trivia #2 | 0 | - | 4.52 | 104,424 |
| World War I Quiz | 0 | - | 4.78 | 101,602 |
| WWI A-Z | 0 | - | 4.51 | 38,518 |
| Most Important People in History | 0 | - | 3.98 | 50,897 |
| People in History by Wikipedia Descriptions #4 | 0 | - | 4.41 | 30,778 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 92,726 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 183,069 |
| Countries with the Least Dense Road Networks | 0 | - | 4.82 | 41,763 |
