| History by Letter - B | 0 | - | 4.45 | 172,792 |
| History by Letter - C | 0 | - | 4.70 | 172,081 |
| History by Letter - E | 0 | - | 4.51 | 141,081 |
| History by Letter - G | 0 | - | 4.46 | 122,532 |
| History by Letter - H | 0 | - | 4.45 | 137,167 |
| History by Letter - J | 0 | - | 4.51 | 154,545 |
| History by Letter - N | 0 | - | 4.45 | 104,403 |
| History by Letter - S | 0 | - | 4.47 | 94,706 |
| History by Letter - W | 0 | - | 4.45 | 109,905 |
| History by Letter - M | 0 | - | 4.54 | 120,213 |
| History by Letter - K | 0 | - | 4.50 | 101,694 |
| History by Letter - L | 0 | - | 4.50 | 112,466 |
| History by Letter - I | 0 | - | 4.46 | 104,736 |
| History by Letter - D | 0 | - | 4.40 | 138,206 |
| History by Letter - F | 0 | - | 4.18 | 114,794 |
| History by Letter - O | 0 | - | 4.32 | 99,799 |
| History by Letter - P | 0 | - | 4.36 | 108,166 |
| History by Letter - Q | 0 | - | 4.34 | 80,564 |
| History by Letter - R | 0 | - | 4.26 | 122,510 |
| History by Letter - T | 0 | - | 4.39 | 105,561 |
| History by Letter - U | 0 | - | 4.19 | 101,076 |
| History by Letter - V | 0 | - | 4.27 | 81,008 |
| History by Letter - Y | 0 | - | 4.27 | 87,523 |
| History by Letter - Z | 0 | - | 4.20 | 77,265 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,293 |
| History Containing the Letter X | 0 | - | 4.47 | 27,100 |
| History Containing the Letter Z | 0 | - | 4.53 | 23,492 |
| Empires A-Z | 0 | - | 4.52 | 45,294 |
| Same Start and End Letter - History #1 | 0 | - | 4.18 | 24,769 |
| History Ending in Z | 0 | - | 4.35 | 13,558 |
| Countries that Start with a Vowel | 0 | - | 4.99 | 154,235 |
| Geography by Letter - T | 0 | - | 4.84 | 154,479 |
| People in History A-Z #1 | 0 | - | 4.63 | 99,214 |
| People in History A-Z #2 | 0 | - | 4.47 | 55,234 |
| People in History A-Z #3 | 0 | - | 4.44 | 46,274 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.87 | 82,594 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 108,401 |
| Southernmost Countries A-Z | 0 | - | 4.95 | 153,814 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 196,126 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 170,585 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 192,863 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 301,395 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 180,804 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 73,163 |
| 20th Century A-Z | 0 | - | 4.50 | 53,848 |
| 19th Century A-Z | 0 | - | 4.77 | 47,376 |
| 18th Century A-Z | 0 | - | 4.54 | 43,245 |
| "Second Best" History Edition | 0 | - | 4.94 | 63,583 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 74,239 |
| Countries That Were Invaded | 0 | - | 4.55 | 97,597 |
| People in History A-Z #5 | 0 | - | 4.09 | 32,016 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 237,803 |
| Name an Official Language A-Z | 0 | - | 4.91 | 176,375 |
| People Depicted in Paintings | 0 | - | 4.55 | 44,728 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,521 |
| Territory Changes in World War I | 0 | - | 4.87 | 46,942 |
| 16th Century A-Z | 0 | - | 4.58 | 24,954 |
| 15th Century A-Z | 0 | - | 4.49 | 23,968 |
| 14th Century A-Z | 0 | - | 4.41 | 24,438 |
| 17th Century A-Z | 0 | - | 4.78 | 34,691 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,707 |
| NATO Military Alphabet | 0 | - | 4.98 | 561,867 |
| Religion A-Z #2 | 0 | - | 4.41 | 37,054 |
| Geography by Letter - A | 0 | - | 4.74 | 212,175 |
| Geography by Letter - B | 0 | - | 4.56 | 185,176 |
| Geography by Letter - H | 0 | - | 4.69 | 150,766 |
| Geography by Letter - C | 0 | - | 4.47 | 159,180 |
| Geography by Letter - D | 0 | - | 4.50 | 151,203 |
| Geography by Letter - E | 0 | - | 4.42 | 148,047 |
| Geography by Letter - I | 0 | - | 4.42 | 122,351 |
| Geography by Letter - K | 0 | - | 4.53 | 118,707 |
| Geography by Letter - L | 0 | - | 4.43 | 148,917 |
| Geography by Letter - M | 0 | - | 4.49 | 118,989 |
| Geography by Letter - N | 0 | - | 4.51 | 127,542 |
| Geography by Letter - P | 0 | - | 4.47 | 176,443 |
| Geography by Letter - R | 0 | - | 4.43 | 132,134 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 140,978 |
| Geography by Letter - U | 0 | - | 4.53 | 143,513 |
| Asian Geography By Letter - K | 0 | - | 4.75 | 58,242 |
| Geography Containing the Letter X | 0 | - | 4.42 | 34,714 |
| Geography Containing the Letter Q | 0 | - | 4.56 | 43,054 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,428 |
| Geography A-Z #2 | 0 | - | 4.46 | 53,007 |
| Geography A-Z #5 | 0 | - | 4.44 | 37,429 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,687 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,459 |
| Movies that Start with G | 0 | - | 4.49 | 68,645 |
| Movies that Start with I | 0 | - | 4.41 | 65,253 |
| Former Countries by Territory Map | 0 | - | 4.96 | 103,185 |
| Empires by Maps | 0 | - | 4.98 | 121,040 |
| Ultimate 20th Century History Quiz | 0 | - | 4.87 | 53,908 |
| Famous Battles Quiz | 0 | - | 4.21 | 49,045 |
| Name the War | 0 | - | 4.37 | 202,429 |
| Famous U.S. Generals | 0 | - | 4.27 | 38,583 |
| Famous Firsts #1 | 0 | - | 4.40 | 69,302 |
| Famous Families #1 | 0 | - | 4.20 | 83,665 |
| Names for Warriors | 0 | - | 4.40 | 36,990 |
| Famous Firsts #2 | 0 | - | 4.01 | 81,287 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,482 |
| People in History A-Z #4 | 0 | - | 4.11 | 23,088 |
| Countries by Military Spending | 0 | - | 4.93 | 178,471 |
| Classic Novels by Plot #2 | 0 | - | 4.86 | 38,308 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 121,225 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,517 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,583 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,854 |
| WWII A-Z #1 | 0 | - | 4.73 | 103,147 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,766 |
| People in History by Wikipedia Descriptions #1 | 0 | - | 4.42 | 44,414 |
| People in History by Wikipedia Descriptions #2 | 0 | - | 4.42 | 39,511 |
| People in History by Wikipedia Descriptions #3 | 0 | - | 4.50 | 36,723 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,320,478 |
| Animals that Start with L | 0 | - | 4.47 | 102,274 |
| Animals that Start with P | 0 | - | 4.45 | 86,328 |
| Animals that Start with S | 0 | - | 4.49 | 87,530 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 90,749 |
| Geography by Letter on the World Map - C | 0 | - | 4.77 | 118,136 |
| World Cities A-Z by Clue #1 | 0 | - | 4.51 | 68,464 |
| Islands A-Z | 0 | - | 4.46 | 125,951 |
| World Cities A-Z by Clue #2 | 0 | - | 4.41 | 59,327 |
| Human Body A-Z | 0 | - | 4.51 | 129,412 |
| Asian Cities A-Z by Clue | 0 | - | 4.51 | 42,525 |
| Africa A-Z | 0 | - | 4.57 | 46,692 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.70 | 58,001 |
| Ethnic Groups A-Z | 0 | - | 4.51 | 42,384 |
| Space Exploration Trivia | 0 | - | 4.38 | 35,419 |
| Military History A-Z | 0 | - | 4.20 | 21,197 |
| Famous Generals - Non U.S. | 0 | - | 4.59 | 15,176 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,287 |
| Brand Logos That Start With D | 0 | - | 4.35 | 61,832 |
| Brand Logos That Start With C | 0 | - | 4.20 | 49,878 |
| Brand Logos That Start With L | 0 | - | 4.39 | 61,477 |
| Brand Logos That Start With M | 0 | - | 4.40 | 63,148 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,926 |
| Disney A-Z | 0 | - | 4.37 | 87,297 |
| Literature by Letter - A | 0 | - | 4.24 | 32,242 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,347 |
| Companies A-Z | 0 | - | 4.30 | 42,727 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,684 |
| Geography by Letter - G | 0 | - | 4.33 | 126,657 |
| Geography by Letter - F | 0 | - | 4.27 | 138,220 |
| Geography by Letter - J | 0 | - | 4.34 | 123,268 |
| Geography by Letter - O | 0 | - | 4.37 | 130,097 |
| Geography by Letter - V | 0 | - | 4.39 | 122,148 |
| Geography by Letter - W | 0 | - | 4.39 | 115,151 |
| Geography by Letter - Y | 0 | - | 4.39 | 111,852 |
| Geography by Letter - Z | 0 | - | 4.11 | 81,898 |
| Geography by Letter - Q | 0 | - | 4.38 | 69,762 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.15 | 35,315 |
| Geography Containing the Letter Z | 0 | - | 4.49 | 27,913 |
| Video Games A-Z | 0 | - | 4.05 | 39,111 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,324 |
| Movies that Start with A | 0 | - | 4.13 | 61,953 |
| Movies that Start with C | 0 | - | 4.30 | 61,945 |
| Movies that Start with B | 0 | - | 4.36 | 85,335 |
| Movies that Start with D | 0 | - | 4.34 | 68,517 |
| Movies that Start with E | 0 | - | 4.13 | 68,450 |
| Movies that Start with J | 0 | - | 4.18 | 76,266 |
| Movies that Start with L | 0 | - | 4.16 | 60,490 |
| Movies that Start with M | 0 | - | 4.28 | 48,299 |
| Movies that Start with N | 0 | - | 4.02 | 41,307 |
| Movies that Start with P | 0 | - | 4.25 | 54,201 |
| Movies that Start with R | 0 | - | 4.17 | 46,708 |
| Movies that Start with W | 0 | - | 4.07 | 44,302 |
| Movies that Start with T | 0 | - | 4.34 | 49,371 |
| Movies that Start with S | 0 | - | 4.35 | 56,544 |
| Movies that Start with F | 0 | - | 4.13 | 68,942 |
| Music by Letter - F | 0 | - | 4.48 | 27,056 |
| Music by Letter - A | 0 | - | 4.61 | 31,448 |
| Influential Women in History | 0 | - | 4.42 | 36,131 |
| Metals of Antiquity | 0 | - | 4.95 | 93,644 |
| Cradles of Civilization | 0 | - | 4.46 | 40,094 |
| Materials From History #1 | 0 | - | 4.56 | 51,871 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,893 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 708,738 |
| WWI... or WWII? | 0 | - | 4.85 | 142,701 |
| 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 | 146,249 |
| Famous Explorers | 0 | - | 4.58 | 36,266 |
| Famous Empires by Description | 0 | - | 4.73 | 118,712 |
| Answers by Time Period | 0 | - | 4.64 | 55,722 |
| Famous Firsts #3 - The United States | 0 | - | 4.19 | 14,847 |
| Years in History #1 - Multiple Choice | 0 | - | 4.82 | 70,429 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 157,750 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 67,264 |
| Middle East A-Z | 0 | - | 4.47 | 46,161 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,439 |
| Google What's the Difference? - History | 0 | - | 4.20 | 46,302 |
| Notable People of WWII | 0 | - | 4.53 | 86,046 |
| WWII Trivia #2 | 0 | - | 4.52 | 104,330 |
| World War I Quiz | 0 | - | 4.78 | 101,477 |
| WWI A-Z | 0 | - | 4.51 | 38,457 |
| Most Important People in History | 0 | - | 3.98 | 50,821 |
| People in History by Wikipedia Descriptions #4 | 0 | - | 4.41 | 30,757 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 92,214 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 182,040 |
| Star Wars A-Z | 0 | - | 4.46 | 88,476 |
| Monarchies of the World | 0 | - | 4.94 | 169,375 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.92 | 113,365 |
