| History by Letter - B | 0 | - | 4.45 | 172,781 |
| History by Letter - C | 0 | - | 4.70 | 172,064 |
| History by Letter - E | 0 | - | 4.51 | 141,069 |
| History by Letter - G | 0 | - | 4.46 | 122,520 |
| History by Letter - H | 0 | - | 4.45 | 137,156 |
| History by Letter - N | 0 | - | 4.45 | 104,394 |
| History by Letter - S | 0 | - | 4.47 | 94,692 |
| History by Letter - W | 0 | - | 4.45 | 109,889 |
| History by Letter - M | 0 | - | 4.54 | 120,201 |
| History by Letter - K | 0 | - | 4.50 | 101,686 |
| History by Letter - L | 0 | - | 4.50 | 112,455 |
| History by Letter - I | 0 | - | 4.46 | 104,726 |
| History by Letter - D | 0 | - | 4.40 | 138,191 |
| History by Letter - F | 0 | - | 4.18 | 114,779 |
| History by Letter - O | 0 | - | 4.32 | 99,791 |
| History by Letter - P | 0 | - | 4.36 | 108,150 |
| History by Letter - Q | 0 | - | 4.34 | 80,554 |
| History by Letter - R | 0 | - | 4.26 | 122,500 |
| History by Letter - T | 0 | - | 4.39 | 105,555 |
| History by Letter - U | 0 | - | 4.19 | 101,065 |
| History by Letter - V | 0 | - | 4.27 | 80,996 |
| History by Letter - Y | 0 | - | 4.27 | 87,510 |
| History by Letter - Z | 0 | - | 4.20 | 77,259 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,290 |
| History Containing the Letter X | 0 | - | 4.47 | 27,094 |
| History Containing the Letter Z | 0 | - | 4.53 | 23,487 |
| Empires A-Z | 0 | - | 4.52 | 45,282 |
| Same Start and End Letter - History #1 | 0 | - | 4.18 | 24,765 |
| Same Start and End Letter - History #2 | 0 | - | 4.13 | 25,722 |
| History Ending in Z | 0 | - | 4.35 | 13,556 |
| Countries that Start with a Vowel | 0 | - | 4.99 | 154,139 |
| Geography by Letter - T | 0 | - | 4.84 | 154,439 |
| People in History A-Z #1 | 0 | - | 4.63 | 99,205 |
| People in History A-Z #2 | 0 | - | 4.47 | 55,228 |
| People in History A-Z #3 | 0 | - | 4.44 | 46,265 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.87 | 82,569 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 108,384 |
| Southernmost Countries A-Z | 0 | - | 4.95 | 153,803 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 196,091 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 170,565 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 192,821 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 301,357 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 180,785 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 73,147 |
| 20th Century A-Z | 0 | - | 4.50 | 53,840 |
| 19th Century A-Z | 0 | - | 4.77 | 47,374 |
| 18th Century A-Z | 0 | - | 4.54 | 43,243 |
| "Second Best" History Edition | 0 | - | 4.94 | 63,555 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 74,226 |
| Countries That Were Invaded | 0 | - | 4.55 | 97,577 |
| People in History A-Z #5 | 0 | - | 4.09 | 32,010 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 237,747 |
| Name an Official Language A-Z | 0 | - | 4.91 | 176,342 |
| People Depicted in Paintings | 0 | - | 4.55 | 44,725 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,515 |
| Territory Changes in World War I | 0 | - | 4.87 | 46,929 |
| 16th Century A-Z | 0 | - | 4.58 | 24,948 |
| 15th Century A-Z | 0 | - | 4.49 | 23,967 |
| 14th Century A-Z | 0 | - | 4.41 | 24,432 |
| 17th Century A-Z | 0 | - | 4.78 | 34,687 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,689 |
| NATO Military Alphabet | 0 | - | 4.98 | 561,701 |
| Religion A-Z #2 | 0 | - | 4.41 | 37,049 |
| Geography by Letter - A | 0 | - | 4.74 | 212,148 |
| Geography by Letter - B | 0 | - | 4.56 | 185,154 |
| Geography by Letter - H | 0 | - | 4.69 | 150,742 |
| Geography by Letter - C | 0 | - | 4.47 | 159,156 |
| Geography by Letter - D | 0 | - | 4.50 | 151,181 |
| Geography by Letter - E | 0 | - | 4.42 | 148,030 |
| Geography by Letter - I | 0 | - | 4.42 | 122,337 |
| Geography by Letter - K | 0 | - | 4.53 | 118,693 |
| Geography by Letter - L | 0 | - | 4.43 | 148,900 |
| Geography by Letter - M | 0 | - | 4.49 | 118,972 |
| Geography by Letter - N | 0 | - | 4.51 | 127,526 |
| Geography by Letter - P | 0 | - | 4.47 | 176,416 |
| Geography by Letter - R | 0 | - | 4.43 | 132,106 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 140,956 |
| Geography by Letter - U | 0 | - | 4.53 | 143,489 |
| Asian Geography By Letter - K | 0 | - | 4.75 | 58,239 |
| Geography Containing the Letter X | 0 | - | 4.42 | 34,709 |
| Geography Containing the Letter Q | 0 | - | 4.56 | 43,045 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,422 |
| Geography A-Z #2 | 0 | - | 4.46 | 53,001 |
| Geography A-Z #5 | 0 | - | 4.44 | 37,424 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,679 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,449 |
| Movies that Start with G | 0 | - | 4.49 | 68,635 |
| Movies that Start with I | 0 | - | 4.41 | 65,247 |
| Former Countries by Territory Map | 0 | - | 4.96 | 103,142 |
| Empires by Maps | 0 | - | 4.98 | 121,000 |
| Ultimate 20th Century History Quiz | 0 | - | 4.87 | 53,895 |
| Famous Battles Quiz | 0 | - | 4.21 | 49,044 |
| Name the War | 0 | - | 4.37 | 202,407 |
| Famous U.S. Generals | 0 | - | 4.27 | 38,577 |
| Famous Firsts #1 | 0 | - | 4.40 | 69,238 |
| Famous Families #1 | 0 | - | 4.20 | 83,663 |
| Names for Warriors | 0 | - | 4.40 | 36,988 |
| Famous Firsts #2 | 0 | - | 4.01 | 81,223 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,479 |
| People in History A-Z #4 | 0 | - | 4.11 | 23,081 |
| Countries by Military Spending | 0 | - | 4.93 | 178,429 |
| Classic Novels by Plot #2 | 0 | - | 4.86 | 38,275 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 121,191 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,499 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,568 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,843 |
| WWII A-Z #1 | 0 | - | 4.73 | 103,137 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,760 |
| People in History by Wikipedia Descriptions #1 | 0 | - | 4.42 | 44,412 |
| People in History by Wikipedia Descriptions #2 | 0 | - | 4.42 | 39,508 |
| People in History by Wikipedia Descriptions #3 | 0 | - | 4.50 | 36,722 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,320,163 |
| Animals that Start with L | 0 | - | 4.47 | 102,264 |
| Animals that Start with P | 0 | - | 4.45 | 86,314 |
| Animals that Start with S | 0 | - | 4.49 | 87,519 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 90,731 |
| Geography by Letter on the World Map - C | 0 | - | 4.77 | 118,114 |
| World Cities A-Z by Clue #1 | 0 | - | 4.51 | 68,453 |
| Islands A-Z | 0 | - | 4.46 | 125,865 |
| World Cities A-Z by Clue #2 | 0 | - | 4.41 | 59,309 |
| Human Body A-Z | 0 | - | 4.51 | 129,394 |
| Asian Cities A-Z by Clue | 0 | - | 4.51 | 42,449 |
| Animals A-Z #1 | 0 | - | 4.41 | 93,757 |
| Africa A-Z | 0 | - | 4.57 | 46,687 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.70 | 57,978 |
| Ethnic Groups A-Z | 0 | - | 4.51 | 42,373 |
| Space Exploration Trivia | 0 | - | 4.38 | 35,412 |
| Military History A-Z | 0 | - | 4.20 | 21,196 |
| Famous Generals - Non U.S. | 0 | - | 4.59 | 15,176 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,275 |
| Brand Logos That Start With D | 0 | - | 4.35 | 61,823 |
| Brand Logos That Start With C | 0 | - | 4.20 | 49,868 |
| Brand Logos That Start With L | 0 | - | 4.39 | 61,457 |
| Brand Logos That Start With M | 0 | - | 4.40 | 63,126 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,915 |
| Disney A-Z | 0 | - | 4.37 | 87,286 |
| Literature by Letter - A | 0 | - | 4.24 | 32,232 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,338 |
| Companies A-Z | 0 | - | 4.30 | 42,724 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,677 |
| Geography by Letter - G | 0 | - | 4.33 | 126,645 |
| Geography by Letter - F | 0 | - | 4.27 | 138,204 |
| Geography by Letter - J | 0 | - | 4.34 | 123,252 |
| Geography by Letter - O | 0 | - | 4.37 | 130,077 |
| Geography by Letter - V | 0 | - | 4.39 | 122,131 |
| Geography by Letter - W | 0 | - | 4.39 | 115,131 |
| Geography by Letter - Y | 0 | - | 4.39 | 111,831 |
| Geography by Letter - Z | 0 | - | 4.11 | 81,886 |
| Geography by Letter - Q | 0 | - | 4.38 | 69,746 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.15 | 35,313 |
| Geography Containing the Letter Z | 0 | - | 4.49 | 27,907 |
| Video Games A-Z | 0 | - | 4.05 | 39,102 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,321 |
| Movies that Start with A | 0 | - | 4.13 | 61,951 |
| Movies that Start with C | 0 | - | 4.30 | 61,942 |
| Movies that Start with B | 0 | - | 4.36 | 85,327 |
| Movies that Start with D | 0 | - | 4.34 | 68,512 |
| Movies that Start with E | 0 | - | 4.13 | 68,442 |
| Movies that Start with J | 0 | - | 4.18 | 76,259 |
| Movies that Start with L | 0 | - | 4.16 | 60,489 |
| Movies that Start with M | 0 | - | 4.28 | 48,295 |
| Movies that Start with N | 0 | - | 4.02 | 41,306 |
| Movies that Start with P | 0 | - | 4.25 | 54,199 |
| Movies that Start with R | 0 | - | 4.17 | 46,706 |
| Movies that Start with W | 0 | - | 4.07 | 44,299 |
| Movies that Start with T | 0 | - | 4.34 | 49,368 |
| Movies that Start with S | 0 | - | 4.35 | 56,543 |
| Movies that Start with F | 0 | - | 4.13 | 68,934 |
| Music by Letter - F | 0 | - | 4.48 | 27,055 |
| Music by Letter - A | 0 | - | 4.61 | 31,442 |
| Influential Women in History | 0 | - | 4.42 | 36,110 |
| Metals of Antiquity | 0 | - | 4.95 | 93,624 |
| Cradles of Civilization | 0 | - | 4.46 | 40,074 |
| Materials From History #1 | 0 | - | 4.56 | 51,859 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,887 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 708,668 |
| WWI... or WWII? | 0 | - | 4.85 | 142,672 |
| Oldest Things | 0 | - | 3.92 | 65,679 |
| Famous Homes - Who Lived There? | 0 | - | 4.09 | 26,835 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 146,225 |
| Famous Explorers | 0 | - | 4.58 | 36,257 |
| Famous Empires by Description | 0 | - | 4.73 | 118,690 |
| Answers by Time Period | 0 | - | 4.64 | 55,714 |
| Famous Firsts #3 - The United States | 0 | - | 4.19 | 14,779 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 70,415 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 157,690 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 67,256 |
| Middle East A-Z | 0 | - | 4.47 | 46,155 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,431 |
| Google What's the Difference? - History | 0 | - | 4.20 | 46,298 |
| Notable People of WWII | 0 | - | 4.53 | 86,042 |
| WWII Trivia #2 | 0 | - | 4.52 | 104,317 |
| World War I Quiz | 0 | - | 4.78 | 101,461 |
| WWI A-Z | 0 | - | 4.51 | 38,443 |
| Most Important People in History | 0 | - | 3.98 | 50,816 |
| People in History by Wikipedia Descriptions #4 | 0 | - | 4.41 | 30,756 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 92,142 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 181,944 |
| Star Wars A-Z | 0 | - | 4.46 | 88,464 |
| Monarchies of the World | 0 | - | 4.94 | 169,320 |
