| History by Letter - B | 0 | - | 4.45 | 173,460 |
| History by Letter - C | 0 | - | 4.70 | 172,798 |
| History by Letter - E | 0 | - | 4.51 | 141,623 |
| History by Letter - G | 0 | - | 4.46 | 123,198 |
| History by Letter - H | 0 | - | 4.45 | 137,715 |
| History by Letter - J | 0 | - | 4.51 | 155,147 |
| History by Letter - N | 0 | - | 4.45 | 104,890 |
| History by Letter - S | 0 | - | 4.47 | 95,066 |
| History by Letter - W | 0 | - | 4.45 | 110,310 |
| History by Letter - M | 0 | - | 4.54 | 120,793 |
| History by Letter - K | 0 | - | 4.50 | 102,099 |
| History by Letter - L | 0 | - | 4.50 | 112,902 |
| History by Letter - I | 0 | - | 4.46 | 105,122 |
| History by Letter - D | 0 | - | 4.40 | 138,716 |
| History by Letter - F | 0 | - | 4.19 | 115,176 |
| History by Letter - O | 0 | - | 4.32 | 100,357 |
| History by Letter - P | 0 | - | 4.36 | 108,558 |
| History by Letter - Q | 0 | - | 4.34 | 80,865 |
| History by Letter - R | 0 | - | 4.26 | 122,903 |
| History by Letter - T | 0 | - | 4.39 | 105,884 |
| History by Letter - U | 0 | - | 4.19 | 101,399 |
| History by Letter - V | 0 | - | 4.27 | 81,272 |
| History by Letter - Y | 0 | - | 4.27 | 87,786 |
| History by Letter - Z | 0 | - | 4.20 | 77,521 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,365 |
| History Containing the Letter X | 0 | - | 4.47 | 27,170 |
| History Containing the Letter Z | 0 | - | 4.53 | 23,544 |
| Empires A-Z | 0 | - | 4.52 | 45,507 |
| Same Start and End Letter - History #1 | 0 | - | 4.18 | 24,816 |
| Same Start and End Letter - History #2 | 0 | - | 4.13 | 25,806 |
| History Ending in Z | 0 | - | 4.35 | 13,606 |
| Countries that Start with a Vowel | 0 | - | 4.99 | 155,714 |
| Geography by Letter - T | 0 | - | 4.84 | 155,469 |
| People in History A-Z #1 | 0 | - | 4.63 | 99,802 |
| People in History A-Z #2 | 0 | - | 4.47 | 55,530 |
| People in History A-Z #3 | 0 | - | 4.44 | 46,488 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.87 | 83,168 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 109,038 |
| Southernmost Countries A-Z | 0 | - | 4.95 | 154,206 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 196,914 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 171,047 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 194,202 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 302,191 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 181,426 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 73,599 |
| 20th Century A-Z | 0 | - | 4.50 | 54,033 |
| "Second Best" History Edition | 0 | - | 4.94 | 64,382 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 74,520 |
| Countries That Were Invaded | 0 | - | 4.55 | 98,311 |
| People in History A-Z #5 | 0 | - | 4.09 | 32,154 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 238,973 |
| Name an Official Language A-Z | 0 | - | 4.91 | 177,143 |
| 19th Century A-Z | 0 | - | 4.77 | 47,508 |
| 18th Century A-Z | 0 | - | 4.54 | 43,357 |
| 17th Century A-Z | 0 | - | 4.78 | 34,782 |
| People Depicted in Paintings | 0 | - | 4.55 | 44,860 |
| Normandy D-Day Beaches | 0 | - | 4.84 | 40,781 |
| Territory Changes in World War I | 0 | - | 4.88 | 47,352 |
| Brand Logos That Start with A | 0 | - | 4.52 | 71,341 |
| NATO Military Alphabet | 0 | - | 4.98 | 565,085 |
| Religion A-Z #2 | 0 | - | 4.41 | 37,150 |
| Geography by Letter - A | 0 | - | 4.75 | 213,196 |
| Geography by Letter - B | 0 | - | 4.61 | 186,088 |
| Geography by Letter - H | 0 | - | 4.69 | 151,634 |
| Geography by Letter - C | 0 | - | 4.48 | 159,959 |
| Geography by Letter - D | 0 | - | 4.50 | 151,904 |
| Geography by Letter - E | 0 | - | 4.42 | 148,735 |
| Geography by Letter - I | 0 | - | 4.42 | 122,905 |
| Geography by Letter - K | 0 | - | 4.54 | 119,387 |
| Geography by Letter - L | 0 | - | 4.44 | 149,767 |
| Geography by Letter - M | 0 | - | 4.50 | 119,744 |
| Geography by Letter - N | 0 | - | 4.51 | 128,104 |
| Geography by Letter - P | 0 | - | 4.47 | 177,063 |
| Geography by Letter - R | 0 | - | 4.43 | 132,849 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 141,655 |
| Geography by Letter - U | 0 | - | 4.52 | 144,283 |
| Asian Geography By Letter - K | 0 | - | 4.75 | 58,404 |
| Geography Containing the Letter X | 0 | - | 4.42 | 34,803 |
| Geography Containing the Letter Q | 0 | - | 4.56 | 43,207 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,591 |
| Geography A-Z #2 | 0 | - | 4.46 | 53,185 |
| Geography A-Z #5 | 0 | - | 4.44 | 37,535 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,862 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,666 |
| Movies that Start with G | 0 | - | 4.49 | 68,855 |
| Movies that Start with I | 0 | - | 4.41 | 65,451 |
| Former Countries by Territory Map | 0 | - | 4.96 | 104,204 |
| Empires by Maps | 0 | - | 4.98 | 122,531 |
| Famous Battles Quiz | 0 | - | 4.21 | 49,173 |
| Name the War | 0 | - | 4.37 | 202,983 |
| Famous U.S. Generals | 0 | - | 4.27 | 38,653 |
| Famous Firsts #1 | 0 | - | 4.40 | 69,465 |
| Famous Families #1 | 0 | - | 4.20 | 83,771 |
| Names for Warriors | 0 | - | 4.40 | 37,086 |
| Famous Firsts #2 | 0 | - | 4.01 | 81,454 |
| The 7 Wonders of the Ancient World | 0 | - | 4.86 | 82,664 |
| People in History A-Z #4 | 0 | - | 4.11 | 23,209 |
| Countries by Military Spending | 0 | - | 4.93 | 179,176 |
| Classic Novels by Plot #2 | 0 | - | 4.86 | 38,657 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 121,865 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,973 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 106,107 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 49,025 |
| WWII A-Z #1 | 0 | - | 4.73 | 103,464 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,939 |
| 16th Century A-Z | 0 | - | 4.59 | 25,045 |
| 15th Century A-Z | 0 | - | 4.50 | 24,035 |
| 14th Century A-Z | 0 | - | 4.41 | 24,528 |
| People in History by Wikipedia Descriptions #1 | 0 | - | 4.42 | 44,516 |
| People in History by Wikipedia Descriptions #2 | 0 | - | 4.42 | 39,594 |
| People in History by Wikipedia Descriptions #3 | 0 | - | 4.50 | 36,793 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,327,485 |
| Animals that Start with L | 0 | - | 4.47 | 102,542 |
| Animals that Start with P | 0 | - | 4.45 | 86,555 |
| Animals that Start with S | 0 | - | 4.49 | 87,760 |
| Geography by Letter on the World Map - B | 0 | - | 4.49 | 91,214 |
| Geography by Letter on the World Map - C | 0 | - | 4.77 | 118,704 |
| World Cities A-Z by Clue #1 | 0 | - | 4.51 | 78,174 |
| Islands A-Z | 0 | - | 4.46 | 128,076 |
| World Cities A-Z by Clue #2 | 0 | - | 4.41 | 60,443 |
| Human Body A-Z | 0 | - | 4.51 | 130,138 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 43,081 |
| Africa A-Z | 0 | - | 4.57 | 46,796 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.70 | 58,299 |
| Ethnic Groups A-Z | 0 | - | 4.51 | 42,567 |
| Space Exploration Trivia | 0 | - | 4.38 | 35,495 |
| Military History A-Z | 0 | - | 4.20 | 21,270 |
| Famous Generals - Non U.S. | 0 | - | 4.59 | 15,263 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,775 |
| Brand Logos That Start With D | 0 | - | 4.37 | 62,334 |
| Brand Logos That Start With C | 0 | - | 4.21 | 50,233 |
| Brand Logos That Start With L | 0 | - | 4.40 | 62,039 |
| Brand Logos That Start With M | 0 | - | 4.38 | 63,666 |
| Brand Logos That Start With S | 0 | - | 4.37 | 58,445 |
| Disney A-Z | 0 | - | 4.37 | 87,567 |
| Literature by Letter - A | 0 | - | 4.24 | 32,410 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,436 |
| Companies A-Z | 0 | - | 4.30 | 42,783 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,767 |
| Geography by Letter - G | 0 | - | 4.33 | 127,218 |
| Geography by Letter - F | 0 | - | 4.28 | 138,921 |
| Geography by Letter - J | 0 | - | 4.35 | 123,796 |
| Geography by Letter - O | 0 | - | 4.37 | 130,615 |
| Geography by Letter - V | 0 | - | 4.39 | 122,760 |
| Geography by Letter - W | 0 | - | 4.39 | 115,602 |
| Geography by Letter - Y | 0 | - | 4.39 | 112,318 |
| Geography by Letter - Z | 0 | - | 4.11 | 82,291 |
| Geography by Letter - Q | 0 | - | 4.38 | 70,196 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.15 | 35,398 |
| Geography Containing the Letter Z | 0 | - | 4.49 | 28,024 |
| Video Games A-Z | 0 | - | 4.05 | 39,285 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,429 |
| Movies that Start with A | 0 | - | 4.13 | 62,167 |
| Movies that Start with C | 0 | - | 4.30 | 62,179 |
| Movies that Start with B | 0 | - | 4.36 | 85,733 |
| Movies that Start with D | 0 | - | 4.34 | 68,692 |
| Movies that Start with E | 0 | - | 4.13 | 68,633 |
| Movies that Start with J | 0 | - | 4.18 | 76,454 |
| Movies that Start with L | 0 | - | 4.16 | 60,632 |
| Movies that Start with M | 0 | - | 4.28 | 48,424 |
| Movies that Start with N | 0 | - | 4.02 | 41,416 |
| Movies that Start with P | 0 | - | 4.25 | 54,312 |
| Movies that Start with R | 0 | - | 4.17 | 46,845 |
| Movies that Start with W | 0 | - | 4.07 | 44,387 |
| Movies that Start with T | 0 | - | 4.34 | 49,485 |
| Movies that Start with S | 0 | - | 4.35 | 56,666 |
| Movies that Start with F | 0 | - | 4.13 | 69,118 |
| Music by Letter - F | 0 | - | 4.47 | 27,150 |
| Music by Letter - A | 0 | - | 4.61 | 31,552 |
| Influential Women in History | 0 | - | 4.43 | 36,567 |
| Metals of Antiquity | 0 | - | 4.95 | 94,021 |
| Cradles of Civilization | 0 | - | 4.46 | 40,543 |
| Materials From History #1 | 0 | - | 4.56 | 52,122 |
| Materials From History #2 | 0 | - | 4.59 | 31,625 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 47,221 |
| History: What Came First? #1 | 0 | - | 4.87 | 106,130 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 710,668 |
| Ultimate 20th Century History Quiz | 0 | - | 4.87 | 54,228 |
| WWI... or WWII? | 0 | - | 4.85 | 143,802 |
| Oldest Things | 0 | - | 3.92 | 65,723 |
| Famous Homes - Who Lived There? | 0 | - | 4.09 | 26,870 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 146,749 |
| Famous Explorers | 0 | - | 4.58 | 36,408 |
| Famous Empires by Description | 0 | - | 4.73 | 119,058 |
| Answers by Time Period | 0 | - | 4.64 | 55,935 |
| Coups d'Etat - Name the Country | 0 | - | 4.43 | 42,339 |
| Famous Firsts #3 - The United States | 0 | - | 4.20 | 14,955 |
| Years in History #1 - Multiple Choice | 0 | - | 4.82 | 70,712 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 158,757 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 67,509 |
| Middle East A-Z | 0 | - | 4.47 | 46,270 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.46 | 44,583 |
| Google What's the Difference? - History | 0 | - | 4.20 | 46,407 |
| Notable People of WWII | 0 | - | 4.53 | 86,635 |
| WWII Trivia #2 | 0 | - | 4.52 | 104,701 |
| World War I Quiz | 0 | - | 4.78 | 102,162 |
| WWI A-Z | 0 | - | 4.51 | 38,661 |
| Name a Valid Year in History | 0 | - | 4.93 | 68,097 |
| Most Important People in History | 0 | - | 3.98 | 51,026 |
| People in History by Wikipedia Descriptions #4 | 0 | - | 4.41 | 30,809 |
