| History by Letter - B | 0 | - | 4.45 | 172,481 |
| History by Letter - C | 0 | - | 4.70 | 171,748 |
| History by Letter - E | 0 | - | 4.51 | 140,825 |
| History by Letter - G | 0 | - | 4.46 | 122,313 |
| History by Letter - H | 0 | - | 4.45 | 136,930 |
| History by Letter - J | 0 | - | 4.51 | 154,255 |
| History by Letter - N | 0 | - | 4.45 | 104,214 |
| History by Letter - S | 0 | - | 4.47 | 94,514 |
| History by Letter - W | 0 | - | 4.45 | 109,684 |
| History by Letter - M | 0 | - | 4.54 | 120,008 |
| History by Letter - K | 0 | - | 4.50 | 101,505 |
| History by Letter - L | 0 | - | 4.50 | 112,246 |
| History by Letter - I | 0 | - | 4.46 | 104,513 |
| History by Letter - D | 0 | - | 4.40 | 137,965 |
| History by Letter - O | 0 | - | 4.32 | 99,642 |
| History by Letter - P | 0 | - | 4.36 | 107,982 |
| History by Letter - Q | 0 | - | 4.34 | 80,439 |
| History by Letter - R | 0 | - | 4.26 | 122,338 |
| History by Letter - T | 0 | - | 4.39 | 105,407 |
| History by Letter - U | 0 | - | 4.19 | 100,921 |
| History by Letter - V | 0 | - | 4.27 | 80,874 |
| History by Letter - Y | 0 | - | 4.27 | 87,393 |
| History by Letter - Z | 0 | - | 4.20 | 77,160 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,246 |
| History Containing the Letter X | 0 | - | 4.47 | 27,043 |
| History Containing the Letter Z | 0 | - | 4.53 | 23,453 |
| Empires A-Z | 0 | - | 4.52 | 45,171 |
| Same Start and End Letter - History #1 | 0 | - | 4.18 | 24,747 |
| Same Start and End Letter - History #2 | 0 | - | 4.13 | 25,678 |
| History Ending in Z | 0 | - | 4.35 | 13,533 |
| Countries that Start with a Vowel | 0 | - | 4.99 | 149,657 |
| Geography by Letter - T | 0 | - | 4.84 | 154,031 |
| People in History A-Z #1 | 0 | - | 4.63 | 99,038 |
| People in History A-Z #2 | 0 | - | 4.47 | 55,118 |
| People in History A-Z #3 | 0 | - | 4.44 | 46,197 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.89 | 82,269 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 107,980 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 153,546 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 195,637 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 170,243 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 192,307 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 300,857 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 180,494 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,859 |
| 20th Century A-Z | 0 | - | 4.50 | 53,728 |
| 19th Century A-Z | 0 | - | 4.77 | 47,290 |
| 18th Century A-Z | 0 | - | 4.54 | 43,171 |
| "Second Best" History Edition | 0 | - | 4.94 | 62,954 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 74,079 |
| Countries That Were Invaded | 0 | - | 4.55 | 97,417 |
| People in History A-Z #5 | 0 | - | 4.09 | 31,957 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 237,126 |
| Name an Official Language A-Z | 0 | - | 4.91 | 175,987 |
| People Depicted in Paintings | 0 | - | 4.54 | 44,645 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,436 |
| Territory Changes in World War I | 0 | - | 4.87 | 46,774 |
| 16th Century A-Z | 0 | - | 4.58 | 24,900 |
| 15th Century A-Z | 0 | - | 4.49 | 23,927 |
| 14th Century A-Z | 0 | - | 4.41 | 24,385 |
| 17th Century A-Z | 0 | - | 4.78 | 34,636 |
| NATO Military Alphabet | 0 | - | 4.98 | 559,996 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.81 | 802,495 |
| Religion A-Z #2 | 0 | - | 4.41 | 36,993 |
| Geography by Letter - A | 0 | - | 4.74 | 211,755 |
| Geography by Letter - B | 0 | - | 4.56 | 184,776 |
| Geography by Letter - H | 0 | - | 4.69 | 150,449 |
| Geography by Letter - C | 0 | - | 4.47 | 158,838 |
| Geography by Letter - D | 0 | - | 4.50 | 150,660 |
| Geography by Letter - E | 0 | - | 4.42 | 147,740 |
| Geography by Letter - I | 0 | - | 4.42 | 122,125 |
| Geography by Letter - K | 0 | - | 4.53 | 118,467 |
| Geography by Letter - L | 0 | - | 4.43 | 148,644 |
| Geography by Letter - M | 0 | - | 4.49 | 118,752 |
| Geography by Letter - N | 0 | - | 4.51 | 127,318 |
| Geography by Letter - P | 0 | - | 4.47 | 176,160 |
| Geography by Letter - R | 0 | - | 4.43 | 131,801 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 140,694 |
| Geography by Letter - U | 0 | - | 4.53 | 143,232 |
| Asian Geography By Letter - K | 0 | - | 4.74 | 58,168 |
| Geography Containing the Letter X | 0 | - | 4.42 | 34,661 |
| Geography Containing the Letter Q | 0 | - | 4.56 | 42,946 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,339 |
| Geography A-Z #2 | 0 | - | 4.46 | 52,923 |
| Geography A-Z #5 | 0 | - | 4.44 | 37,362 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,596 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,301 |
| Movies that Start with G | 0 | - | 4.49 | 68,552 |
| Movies that Start with I | 0 | - | 4.41 | 65,168 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,331 |
| Brand Logos That Start With M | 0 | - | 4.45 | 62,857 |
| Former Countries by Territory Map | 0 | - | 4.96 | 102,782 |
| Empires by Maps | 0 | - | 4.98 | 120,431 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,715 |
| Famous Battles Quiz | 0 | - | 4.21 | 48,993 |
| Name the War | 0 | - | 4.37 | 201,651 |
| Famous U.S. Generals | 0 | - | 4.27 | 38,542 |
| Famous Firsts #1 | 0 | - | 4.40 | 69,061 |
| Famous Families #1 | 0 | - | 4.20 | 83,607 |
| Names for Warriors | 0 | - | 4.40 | 36,934 |
| Famous Firsts #2 | 0 | - | 4.01 | 81,032 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,380 |
| People in History A-Z #4 | 0 | - | 4.11 | 23,039 |
| Countries by Military Spending | 0 | - | 4.93 | 177,721 |
| Classic Novels by Plot #2 | 0 | - | 4.87 | 38,107 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 120,801 |
| Name a Minecraft Mob A-Z | 0 | - | 4.87 | 42,753 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,117 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,314 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,743 |
| WWII A-Z #1 | 0 | - | 4.73 | 102,985 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,663 |
| People in History by Wikipedia Descriptions #1 | 0 | - | 4.42 | 44,361 |
| People in History by Wikipedia Descriptions #2 | 0 | - | 4.42 | 39,475 |
| People in History by Wikipedia Descriptions #3 | 0 | - | 4.50 | 36,686 |
| 100 Most Common English Words | 0 | - | 4.89 | 1,316,525 |
| Animals that Start with L | 0 | - | 4.47 | 101,901 |
| Animals that Start with P | 0 | - | 4.45 | 86,128 |
| Animals that Start with S | 0 | - | 4.49 | 87,346 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 90,458 |
| Geography by Letter on the World Map - C | 0 | - | 4.79 | 117,555 |
| World Cities A-Z by Clue #1 | 0 | - | 4.51 | 68,147 |
| Islands A-Z | 0 | - | 4.46 | 124,505 |
| Human Body A-Z | 0 | - | 4.51 | 129,172 |
| Asian Cities A-Z by Clue | 0 | - | 4.49 | 35,556 |
| Animals A-Z #1 | 0 | - | 4.41 | 93,610 |
| Africa A-Z | 0 | - | 4.57 | 46,604 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.69 | 57,761 |
| Ethnic Groups A-Z | 0 | - | 4.51 | 42,304 |
| Space Exploration Trivia | 0 | - | 4.38 | 35,361 |
| Military History A-Z | 0 | - | 4.20 | 21,161 |
| Famous Generals - Non U.S. | 0 | - | 4.59 | 15,145 |
| Disney A-Z | 0 | - | 4.37 | 87,114 |
| Literature by Letter - A | 0 | - | 4.24 | 32,120 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,280 |
| Companies A-Z | 0 | - | 4.30 | 42,701 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,628 |
| Geography by Letter - G | 0 | - | 4.33 | 126,400 |
| Geography by Letter - F | 0 | - | 4.27 | 137,957 |
| Geography by Letter - J | 0 | - | 4.34 | 123,025 |
| Geography by Letter - O | 0 | - | 4.37 | 129,854 |
| Geography by Letter - V | 0 | - | 4.39 | 121,871 |
| Geography by Letter - W | 0 | - | 4.39 | 114,937 |
| Geography by Letter - Y | 0 | - | 4.39 | 111,623 |
| Geography by Letter - Z | 0 | - | 4.11 | 81,729 |
| Geography by Letter - Q | 0 | - | 4.38 | 69,566 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.15 | 35,267 |
| Geography Containing the Letter Z | 0 | - | 4.49 | 27,862 |
| Video Games A-Z | 0 | - | 4.08 | 38,993 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,258 |
| Movies that Start with A | 0 | - | 4.13 | 61,886 |
| Movies that Start with C | 0 | - | 4.30 | 61,866 |
| Movies that Start with B | 0 | - | 4.36 | 85,238 |
| Movies that Start with D | 0 | - | 4.34 | 68,451 |
| Movies that Start with E | 0 | - | 4.13 | 68,383 |
| Movies that Start with J | 0 | - | 4.18 | 76,178 |
| Movies that Start with L | 0 | - | 4.16 | 60,440 |
| Movies that Start with M | 0 | - | 4.28 | 48,243 |
| Movies that Start with N | 0 | - | 4.02 | 41,264 |
| Movies that Start with P | 0 | - | 4.25 | 54,160 |
| Movies that Start with R | 0 | - | 4.17 | 46,661 |
| Movies that Start with W | 0 | - | 4.07 | 44,275 |
| Movies that Start with T | 0 | - | 4.34 | 49,314 |
| Movies that Start with S | 0 | - | 4.35 | 56,481 |
| Movies that Start with F | 0 | - | 4.13 | 68,867 |
| Music by Letter - F | 0 | - | 4.48 | 27,008 |
| Music by Letter - A | 0 | - | 4.61 | 31,394 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,012 |
| Brand Logos That Start With D | 0 | - | 4.37 | 61,567 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,676 |
| Brand Logos That Start With L | 0 | - | 4.39 | 61,172 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,633 |
| Influential Women in History | 0 | - | 4.42 | 35,585 |
| Metals of Antiquity | 0 | - | 4.95 | 93,427 |
| Cradles of Civilization | 0 | - | 4.46 | 39,639 |
| Materials From History #1 | 0 | - | 4.56 | 51,547 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,702 |
| History: What Came First? #1 | 0 | - | 4.87 | 105,253 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 707,617 |
| WWI... or WWII? | 0 | - | 4.85 | 142,220 |
| Oldest Things | 0 | - | 3.92 | 65,657 |
| Famous Homes - Who Lived There? | 0 | - | 4.09 | 26,821 |
| Biggest Nations and Empires Ever | 0 | - | 4.52 | 145,887 |
| Famous Explorers | 0 | - | 4.58 | 36,158 |
| Famous Empires by Description | 0 | - | 4.73 | 118,444 |
| Answers by Time Period | 0 | - | 4.63 | 55,569 |
| Famous Firsts #3 - The United States | 0 | - | 4.19 | 14,647 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 70,296 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 157,183 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 67,147 |
| Middle East A-Z | 0 | - | 4.47 | 46,015 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,366 |
| Google What's the Difference? - History | 0 | - | 4.20 | 46,237 |
| Notable People of WWII | 0 | - | 4.53 | 85,917 |
| WWII Trivia #2 | 0 | - | 4.52 | 103,975 |
| World War I Quiz | 0 | - | 4.78 | 101,273 |
| WWI A-Z | 0 | - | 4.50 | 38,339 |
| Most Important People in History | 0 | - | 3.97 | 50,692 |
| People in History by Wikipedia Descriptions #4 | 0 | - | 4.41 | 30,742 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 91,440 |
| Star Wars A-Z | 0 | - | 4.46 | 88,245 |
