| History by Letter - B | 0 | - | 4.45 | 173,390 |
| History by Letter - C | 0 | - | 4.70 | 172,730 |
| History by Letter - E | 0 | - | 4.51 | 141,560 |
| History by Letter - G | 0 | - | 4.46 | 122,968 |
| History by Letter - H | 0 | - | 4.45 | 137,651 |
| History by Letter - J | 0 | - | 4.51 | 155,092 |
| History by Letter - N | 0 | - | 4.45 | 104,852 |
| History by Letter - S | 0 | - | 4.47 | 95,024 |
| History by Letter - W | 0 | - | 4.45 | 110,267 |
| History by Letter - M | 0 | - | 4.54 | 120,750 |
| History by Letter - K | 0 | - | 4.50 | 102,054 |
| History by Letter - L | 0 | - | 4.50 | 112,860 |
| History by Letter - I | 0 | - | 4.46 | 105,075 |
| History by Letter - D | 0 | - | 4.40 | 138,650 |
| History by Letter - F | 0 | - | 4.19 | 115,125 |
| History by Letter - O | 0 | - | 4.32 | 100,316 |
| History by Letter - P | 0 | - | 4.36 | 108,517 |
| History by Letter - Q | 0 | - | 4.34 | 80,831 |
| History by Letter - R | 0 | - | 4.26 | 122,860 |
| History by Letter - T | 0 | - | 4.39 | 105,851 |
| History by Letter - U | 0 | - | 4.19 | 101,365 |
| History by Letter - V | 0 | - | 4.27 | 81,248 |
| History by Letter - Y | 0 | - | 4.27 | 87,760 |
| History by Letter - Z | 0 | - | 4.20 | 77,492 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,359 |
| History Containing the Letter X | 0 | - | 4.47 | 27,160 |
| History Containing the Letter Z | 0 | - | 4.53 | 23,542 |
| Empires A-Z | 0 | - | 4.52 | 45,498 |
| Same Start and End Letter - History #1 | 0 | - | 4.18 | 24,812 |
| Same Start and End Letter - History #2 | 0 | - | 4.13 | 25,803 |
| History Ending in Z | 0 | - | 4.35 | 13,605 |
| Countries that Start with a Vowel | 0 | - | 4.99 | 155,604 |
| Geography by Letter - T | 0 | - | 4.84 | 155,404 |
| People in History A-Z #1 | 0 | - | 4.63 | 99,778 |
| People in History A-Z #2 | 0 | - | 4.47 | 55,514 |
| People in History A-Z #3 | 0 | - | 4.44 | 46,476 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.87 | 83,133 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 109,003 |
| Southernmost Countries A-Z | 0 | - | 4.95 | 154,185 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 196,814 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 171,016 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 194,128 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 302,129 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 181,372 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 73,579 |
| 20th Century A-Z | 0 | - | 4.50 | 54,020 |
| 19th Century A-Z | 0 | - | 4.77 | 47,499 |
| 18th Century A-Z | 0 | - | 4.54 | 43,351 |
| "Second Best" History Edition | 0 | - | 4.94 | 64,347 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 74,495 |
| Countries That Were Invaded | 0 | - | 4.55 | 97,944 |
| People in History A-Z #5 | 0 | - | 4.09 | 32,141 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 238,869 |
| Name an Official Language A-Z | 0 | - | 4.91 | 177,097 |
| People Depicted in Paintings | 0 | - | 4.55 | 44,845 |
| Normandy D-Day Beaches | 0 | - | 4.84 | 40,769 |
| Territory Changes in World War I | 0 | - | 4.88 | 47,320 |
| 16th Century A-Z | 0 | - | 4.59 | 25,036 |
| 15th Century A-Z | 0 | - | 4.50 | 24,030 |
| 14th Century A-Z | 0 | - | 4.41 | 24,522 |
| 17th Century A-Z | 0 | - | 4.78 | 34,778 |
| Brand Logos That Start with A | 0 | - | 4.52 | 71,280 |
| NATO Military Alphabet | 0 | - | 4.98 | 564,830 |
| Religion A-Z #2 | 0 | - | 4.41 | 37,144 |
| Geography by Letter - A | 0 | - | 4.74 | 213,134 |
| Geography by Letter - B | 0 | - | 4.56 | 186,025 |
| Geography by Letter - H | 0 | - | 4.69 | 151,601 |
| Geography by Letter - C | 0 | - | 4.48 | 159,906 |
| Geography by Letter - D | 0 | - | 4.50 | 151,864 |
| Geography by Letter - E | 0 | - | 4.42 | 148,691 |
| Geography by Letter - I | 0 | - | 4.42 | 122,877 |
| Geography by Letter - K | 0 | - | 4.54 | 119,361 |
| Geography by Letter - L | 0 | - | 4.44 | 149,726 |
| Geography by Letter - M | 0 | - | 4.50 | 119,709 |
| Geography by Letter - N | 0 | - | 4.51 | 128,062 |
| Geography by Letter - P | 0 | - | 4.47 | 177,025 |
| Geography by Letter - R | 0 | - | 4.43 | 132,803 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 141,609 |
| Geography by Letter - U | 0 | - | 4.52 | 144,243 |
| Asian Geography By Letter - K | 0 | - | 4.75 | 58,396 |
| Geography Containing the Letter X | 0 | - | 4.42 | 34,792 |
| Geography Containing the Letter Q | 0 | - | 4.56 | 43,201 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,582 |
| Geography A-Z #2 | 0 | - | 4.46 | 53,177 |
| Geography A-Z #5 | 0 | - | 4.44 | 37,526 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,850 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,651 |
| Movies that Start with G | 0 | - | 4.49 | 68,846 |
| Movies that Start with I | 0 | - | 4.41 | 65,442 |
| Former Countries by Territory Map | 0 | - | 4.96 | 104,136 |
| Empires by Maps | 0 | - | 4.98 | 122,427 |
| Ultimate 20th Century History Quiz | 0 | - | 4.87 | 54,205 |
| Famous Battles Quiz | 0 | - | 4.21 | 49,164 |
| Name the War | 0 | - | 4.37 | 202,943 |
| Famous U.S. Generals | 0 | - | 4.27 | 38,647 |
| Famous Firsts #1 | 0 | - | 4.40 | 69,458 |
| Famous Families #1 | 0 | - | 4.20 | 83,763 |
| Names for Warriors | 0 | - | 4.40 | 37,074 |
| Famous Firsts #2 | 0 | - | 4.01 | 81,447 |
| The 7 Wonders of the Ancient World | 0 | - | 4.86 | 82,652 |
| People in History A-Z #4 | 0 | - | 4.11 | 23,200 |
| Countries by Military Spending | 0 | - | 4.93 | 179,121 |
| Classic Novels by Plot #2 | 0 | - | 4.86 | 38,634 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 121,829 |
| Name a Minecraft Mob A-Z | 0 | - | 4.88 | 43,691 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,901 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,947 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,981 |
| WWII A-Z #1 | 0 | - | 4.73 | 103,447 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,931 |
| People in History by Wikipedia Descriptions #1 | 0 | - | 4.42 | 44,505 |
| People in History by Wikipedia Descriptions #2 | 0 | - | 4.42 | 39,589 |
| People in History by Wikipedia Descriptions #3 | 0 | - | 4.50 | 36,785 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,326,959 |
| Animals that Start with L | 0 | - | 4.47 | 102,515 |
| Animals that Start with P | 0 | - | 4.45 | 86,531 |
| Animals that Start with S | 0 | - | 4.49 | 87,728 |
| Geography by Letter on the World Map - B | 0 | - | 4.49 | 91,192 |
| Geography by Letter on the World Map - C | 0 | - | 4.77 | 118,671 |
| World Cities A-Z by Clue #1 | 0 | - | 4.51 | 78,039 |
| Islands A-Z | 0 | - | 4.46 | 127,949 |
| World Cities A-Z by Clue #2 | 0 | - | 4.41 | 60,406 |
| Human Body A-Z | 0 | - | 4.51 | 130,111 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 43,060 |
| Africa A-Z | 0 | - | 4.57 | 46,792 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.70 | 58,280 |
| Ethnic Groups A-Z | 0 | - | 4.51 | 42,552 |
| Space Exploration Trivia | 0 | - | 4.38 | 35,491 |
| Military History A-Z | 0 | - | 4.20 | 21,267 |
| Famous Generals - Non U.S. | 0 | - | 4.59 | 15,260 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,739 |
| Brand Logos That Start With D | 0 | - | 4.37 | 62,294 |
| Brand Logos That Start With C | 0 | - | 4.21 | 50,207 |
| Brand Logos That Start With L | 0 | - | 4.40 | 62,008 |
| Brand Logos That Start With M | 0 | - | 4.38 | 63,622 |
| Brand Logos That Start With S | 0 | - | 4.37 | 58,406 |
| Disney A-Z | 0 | - | 4.37 | 87,545 |
| Literature by Letter - A | 0 | - | 4.24 | 32,399 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,430 |
| Companies A-Z | 0 | - | 4.30 | 42,782 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,755 |
| Geography by Letter - G | 0 | - | 4.33 | 127,193 |
| Geography by Letter - F | 0 | - | 4.28 | 138,889 |
| Geography by Letter - J | 0 | - | 4.35 | 123,770 |
| Geography by Letter - O | 0 | - | 4.37 | 130,581 |
| Geography by Letter - V | 0 | - | 4.39 | 122,726 |
| Geography by Letter - W | 0 | - | 4.39 | 115,568 |
| Geography by Letter - Y | 0 | - | 4.39 | 112,278 |
| Geography by Letter - Z | 0 | - | 4.11 | 82,271 |
| Geography by Letter - Q | 0 | - | 4.38 | 70,170 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.15 | 35,394 |
| Geography Containing the Letter Z | 0 | - | 4.49 | 28,012 |
| Video Games A-Z | 0 | - | 4.05 | 39,272 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,423 |
| Movies that Start with A | 0 | - | 4.13 | 62,161 |
| Movies that Start with C | 0 | - | 4.30 | 62,165 |
| Movies that Start with B | 0 | - | 4.36 | 85,723 |
| Movies that Start with D | 0 | - | 4.34 | 68,686 |
| Movies that Start with E | 0 | - | 4.13 | 68,624 |
| Movies that Start with J | 0 | - | 4.18 | 76,439 |
| Movies that Start with L | 0 | - | 4.16 | 60,625 |
| Movies that Start with M | 0 | - | 4.28 | 48,416 |
| Movies that Start with N | 0 | - | 4.02 | 41,409 |
| Movies that Start with P | 0 | - | 4.25 | 54,306 |
| Movies that Start with R | 0 | - | 4.17 | 46,836 |
| Movies that Start with W | 0 | - | 4.07 | 44,381 |
| Movies that Start with T | 0 | - | 4.34 | 49,477 |
| Movies that Start with S | 0 | - | 4.35 | 56,660 |
| Movies that Start with F | 0 | - | 4.13 | 69,110 |
| Music by Letter - F | 0 | - | 4.47 | 27,146 |
| Music by Letter - A | 0 | - | 4.61 | 31,547 |
| Influential Women in History | 0 | - | 4.43 | 36,543 |
| Metals of Antiquity | 0 | - | 4.95 | 93,999 |
| Cradles of Civilization | 0 | - | 4.46 | 40,524 |
| Materials From History #1 | 0 | - | 4.56 | 52,104 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 47,193 |
| History: What Came First? #1 | 0 | - | 4.87 | 106,085 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 710,486 |
| WWI... or WWII? | 0 | - | 4.85 | 143,725 |
| Oldest Things | 0 | - | 3.92 | 65,720 |
| Famous Homes - Who Lived There? | 0 | - | 4.09 | 26,869 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 146,727 |
| Famous Explorers | 0 | - | 4.58 | 36,398 |
| Famous Empires by Description | 0 | - | 4.74 | 119,038 |
| Answers by Time Period | 0 | - | 4.64 | 55,927 |
| Coups d'Etat - Name the Country | 0 | - | 4.43 | 42,188 |
| Famous Firsts #3 - The United States | 0 | - | 4.20 | 14,953 |
| Years in History #1 - Multiple Choice | 0 | - | 4.82 | 70,687 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 158,693 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 67,497 |
| Middle East A-Z | 0 | - | 4.47 | 46,262 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.46 | 44,576 |
| Top 10 Oldest African Countries | 0 | - | 4.87 | 28,283 |
| Google What's the Difference? - History | 0 | - | 4.20 | 46,391 |
| Notable People of WWII | 0 | - | 4.53 | 86,619 |
| WWII Trivia #2 | 0 | - | 4.52 | 104,673 |
| World War I Quiz | 0 | - | 4.78 | 102,138 |
| WWI A-Z | 0 | - | 4.51 | 38,649 |
| Most Important People in History | 0 | - | 3.98 | 51,009 |
| People in History by Wikipedia Descriptions #4 | 0 | - | 4.41 | 30,805 |
