| History by Letter - B | 0 | - | 4.45 | 172,794 |
| History by Letter - C | 0 | - | 4.70 | 172,084 |
| History by Letter - E | 0 | - | 4.51 | 141,084 |
| History by Letter - G | 0 | - | 4.46 | 122,534 |
| History by Letter - H | 0 | - | 4.45 | 137,174 |
| History by Letter - J | 0 | - | 4.51 | 154,549 |
| History by Letter - N | 0 | - | 4.45 | 104,406 |
| History by Letter - S | 0 | - | 4.47 | 94,708 |
| History by Letter - W | 0 | - | 4.45 | 109,911 |
| History by Letter - M | 0 | - | 4.54 | 120,218 |
| History by Letter - K | 0 | - | 4.50 | 101,696 |
| History by Letter - L | 0 | - | 4.50 | 112,471 |
| History by Letter - I | 0 | - | 4.46 | 104,739 |
| History by Letter - D | 0 | - | 4.40 | 138,209 |
| History by Letter - F | 0 | - | 4.18 | 114,796 |
| History by Letter - O | 0 | - | 4.32 | 99,803 |
| History by Letter - Q | 0 | - | 4.34 | 80,568 |
| History by Letter - R | 0 | - | 4.26 | 122,516 |
| History by Letter - T | 0 | - | 4.39 | 105,562 |
| History by Letter - U | 0 | - | 4.19 | 101,079 |
| History by Letter - V | 0 | - | 4.27 | 81,011 |
| History by Letter - Y | 0 | - | 4.27 | 87,527 |
| History by Letter - Z | 0 | - | 4.20 | 77,268 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,295 |
| History Containing the Letter X | 0 | - | 4.47 | 27,101 |
| History Containing the Letter Z | 0 | - | 4.53 | 23,492 |
| Empires A-Z | 0 | - | 4.52 | 45,299 |
| Same Start and End Letter - History #1 | 0 | - | 4.18 | 24,770 |
| Same Start and End Letter - History #2 | 0 | - | 4.13 | 25,726 |
| History Ending in Z | 0 | - | 4.35 | 13,558 |
| Countries that Start with a Vowel | 0 | - | 4.99 | 154,268 |
| Geography by Letter - T | 0 | - | 4.84 | 154,494 |
| People in History A-Z #1 | 0 | - | 4.63 | 99,217 |
| People in History A-Z #2 | 0 | - | 4.47 | 55,235 |
| People in History A-Z #3 | 0 | - | 4.44 | 46,276 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.87 | 82,601 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 108,412 |
| Southernmost Countries A-Z | 0 | - | 4.95 | 153,821 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 196,136 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 170,590 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 192,875 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 301,400 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 180,813 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 73,167 |
| 20th Century A-Z | 0 | - | 4.50 | 53,850 |
| 19th Century A-Z | 0 | - | 4.77 | 47,377 |
| 18th Century A-Z | 0 | - | 4.54 | 43,245 |
| "Second Best" History Edition | 0 | - | 4.94 | 63,599 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 74,242 |
| Countries That Were Invaded | 0 | - | 4.55 | 97,602 |
| People in History A-Z #5 | 0 | - | 4.09 | 32,016 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 237,821 |
| Name an Official Language A-Z | 0 | - | 4.91 | 176,386 |
| People Depicted in Paintings | 0 | - | 4.55 | 44,732 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,523 |
| Territory Changes in World War I | 0 | - | 4.87 | 46,943 |
| 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 | 24,441 |
| 17th Century A-Z | 0 | - | 4.78 | 34,692 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,714 |
| NATO Military Alphabet | 0 | - | 4.98 | 561,915 |
| Religion A-Z #2 | 0 | - | 4.41 | 37,055 |
| Geography by Letter - A | 0 | - | 4.74 | 212,194 |
| Geography by Letter - B | 0 | - | 4.56 | 185,197 |
| Geography by Letter - H | 0 | - | 4.69 | 150,782 |
| Geography by Letter - C | 0 | - | 4.47 | 159,199 |
| Geography by Letter - D | 0 | - | 4.50 | 151,218 |
| Geography by Letter - E | 0 | - | 4.42 | 148,063 |
| Geography by Letter - I | 0 | - | 4.42 | 122,360 |
| Geography by Letter - K | 0 | - | 4.53 | 118,726 |
| Geography by Letter - L | 0 | - | 4.43 | 148,966 |
| Geography by Letter - M | 0 | - | 4.49 | 119,003 |
| Geography by Letter - N | 0 | - | 4.51 | 127,554 |
| Geography by Letter - P | 0 | - | 4.47 | 176,459 |
| Geography by Letter - R | 0 | - | 4.43 | 132,146 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 140,989 |
| Geography by Letter - U | 0 | - | 4.53 | 143,520 |
| Asian Geography By Letter - K | 0 | - | 4.75 | 58,245 |
| Geography Containing the Letter X | 0 | - | 4.42 | 34,714 |
| Geography Containing the Letter Q | 0 | - | 4.56 | 43,056 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,428 |
| Geography A-Z #2 | 0 | - | 4.46 | 53,008 |
| 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 | 125,464 |
| Movies that Start with G | 0 | - | 4.49 | 68,653 |
| Movies that Start with I | 0 | - | 4.41 | 65,262 |
| Former Countries by Territory Map | 0 | - | 4.96 | 103,197 |
| Empires by Maps | 0 | - | 4.98 | 121,053 |
| Ultimate 20th Century History Quiz | 0 | - | 4.87 | 53,914 |
| Famous Battles Quiz | 0 | - | 4.21 | 49,050 |
| Name the War | 0 | - | 4.37 | 202,436 |
| Famous U.S. Generals | 0 | - | 4.27 | 38,583 |
| Famous Firsts #1 | 0 | - | 4.40 | 69,318 |
| Famous Families #1 | 0 | - | 4.20 | 83,666 |
| Names for Warriors | 0 | - | 4.40 | 36,991 |
| Famous Firsts #2 | 0 | - | 4.01 | 81,302 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,484 |
| People in History A-Z #4 | 0 | - | 4.11 | 23,089 |
| Countries by Military Spending | 0 | - | 4.93 | 178,486 |
| Classic Novels by Plot #2 | 0 | - | 4.86 | 38,332 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 121,247 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,527 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,595 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,859 |
| WWII A-Z #1 | 0 | - | 4.73 | 103,149 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,767 |
| People in History by Wikipedia Descriptions #1 | 0 | - | 4.42 | 44,414 |
| People in History by Wikipedia Descriptions #2 | 0 | - | 4.42 | 39,512 |
| People in History by Wikipedia Descriptions #3 | 0 | - | 4.50 | 36,723 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,320,585 |
| Animals that Start with L | 0 | - | 4.47 | 102,282 |
| Animals that Start with P | 0 | - | 4.45 | 86,332 |
| Animals that Start with S | 0 | - | 4.49 | 87,534 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 90,752 |
| Geography by Letter on the World Map - C | 0 | - | 4.77 | 118,144 |
| World Cities A-Z by Clue #1 | 0 | - | 4.51 | 68,470 |
| Islands A-Z | 0 | - | 4.46 | 125,982 |
| World Cities A-Z by Clue #2 | 0 | - | 4.41 | 59,330 |
| Human Body A-Z | 0 | - | 4.51 | 129,414 |
| Asian Cities A-Z by Clue | 0 | - | 4.51 | 42,559 |
| Africa A-Z | 0 | - | 4.57 | 46,694 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.70 | 58,013 |
| Ethnic Groups A-Z | 0 | - | 4.51 | 42,389 |
| Space Exploration Trivia | 0 | - | 4.38 | 35,419 |
| Military History A-Z | 0 | - | 4.20 | 21,199 |
| Famous Generals - Non U.S. | 0 | - | 4.59 | 15,178 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,292 |
| Brand Logos That Start With D | 0 | - | 4.36 | 61,838 |
| Brand Logos That Start With C | 0 | - | 4.20 | 49,882 |
| Brand Logos That Start With L | 0 | - | 4.39 | 61,486 |
| Brand Logos That Start With M | 0 | - | 4.40 | 63,155 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,932 |
| Disney A-Z | 0 | - | 4.37 | 87,305 |
| Literature by Letter - A | 0 | - | 4.24 | 32,246 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,351 |
| Companies A-Z | 0 | - | 4.30 | 42,730 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,685 |
| Geography by Letter - G | 0 | - | 4.33 | 126,672 |
| Geography by Letter - F | 0 | - | 4.27 | 138,259 |
| Geography by Letter - J | 0 | - | 4.34 | 123,279 |
| Geography by Letter - O | 0 | - | 4.37 | 130,107 |
| Geography by Letter - V | 0 | - | 4.39 | 122,156 |
| Geography by Letter - W | 0 | - | 4.39 | 115,154 |
| Geography by Letter - Y | 0 | - | 4.39 | 111,858 |
| Geography by Letter - Z | 0 | - | 4.11 | 81,906 |
| Geography by Letter - Q | 0 | - | 4.38 | 69,770 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.15 | 35,317 |
| Geography Containing the Letter Z | 0 | - | 4.49 | 27,916 |
| Video Games A-Z | 0 | - | 4.05 | 39,115 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,324 |
| Movies that Start with A | 0 | - | 4.13 | 61,968 |
| Movies that Start with C | 0 | - | 4.30 | 61,961 |
| Movies that Start with B | 0 | - | 4.36 | 85,378 |
| Movies that Start with D | 0 | - | 4.34 | 68,524 |
| Movies that Start with E | 0 | - | 4.13 | 68,460 |
| Movies that Start with J | 0 | - | 4.18 | 76,271 |
| Movies that Start with L | 0 | - | 4.16 | 60,496 |
| Movies that Start with M | 0 | - | 4.28 | 48,304 |
| Movies that Start with N | 0 | - | 4.02 | 41,312 |
| Movies that Start with P | 0 | - | 4.25 | 54,207 |
| Movies that Start with R | 0 | - | 4.17 | 46,715 |
| Movies that Start with W | 0 | - | 4.07 | 44,306 |
| Movies that Start with T | 0 | - | 4.34 | 49,373 |
| Movies that Start with S | 0 | - | 4.35 | 56,547 |
| Movies that Start with F | 0 | - | 4.13 | 68,952 |
| Music by Letter - F | 0 | - | 4.48 | 27,057 |
| Music by Letter - A | 0 | - | 4.61 | 31,449 |
| Influential Women in History | 0 | - | 4.42 | 36,134 |
| Metals of Antiquity | 0 | - | 4.95 | 93,649 |
| Cradles of Civilization | 0 | - | 4.46 | 40,100 |
| Materials From History #1 | 0 | - | 4.56 | 51,876 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,897 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 708,777 |
| WWI... or WWII? | 0 | - | 4.85 | 142,712 |
| Oldest Things | 0 | - | 3.92 | 65,680 |
| Famous Homes - Who Lived There? | 0 | - | 4.09 | 26,837 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 146,262 |
| Famous Explorers | 0 | - | 4.58 | 36,267 |
| Famous Empires by Description | 0 | - | 4.73 | 118,718 |
| Answers by Time Period | 0 | - | 4.64 | 55,724 |
| Famous Firsts #3 - The United States | 0 | - | 4.19 | 14,858 |
| Years in History #1 - Multiple Choice | 0 | - | 4.82 | 70,433 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 157,765 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 67,268 |
| Middle East A-Z | 0 | - | 4.47 | 46,163 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,443 |
| Google What's the Difference? - History | 0 | - | 4.20 | 46,303 |
| Notable People of WWII | 0 | - | 4.53 | 86,051 |
| WWII Trivia #2 | 0 | - | 4.52 | 104,335 |
| World War I Quiz | 0 | - | 4.78 | 101,483 |
| WWI A-Z | 0 | - | 4.51 | 38,460 |
| Most Important People in History | 0 | - | 3.98 | 50,825 |
| People in History by Wikipedia Descriptions #4 | 0 | - | 4.41 | 30,758 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 92,235 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 182,087 |
| Star Wars A-Z | 0 | - | 4.46 | 88,484 |
| Monarchies of the World | 0 | - | 4.94 | 169,390 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.92 | 113,374 |
