| History by Letter - B | 0 | - | 4.45 | 171,655 |
| History by Letter - C | 0 | - | 4.70 | 170,786 |
| History by Letter - E | 0 | - | 4.51 | 140,171 |
| History by Letter - G | 0 | - | 4.46 | 121,721 |
| History by Letter - H | 0 | - | 4.45 | 136,173 |
| History by Letter - J | 0 | - | 4.51 | 153,584 |
| History by Letter - N | 0 | - | 4.45 | 103,614 |
| History by Letter - S | 0 | - | 4.47 | 93,865 |
| History by Letter - W | 0 | - | 4.45 | 108,989 |
| History by Letter - M | 0 | - | 4.54 | 119,352 |
| History by Letter - K | 0 | - | 4.50 | 101,044 |
| History by Letter - L | 0 | - | 4.50 | 111,752 |
| History by Letter - I | 0 | - | 4.46 | 103,904 |
| History by Letter - D | 0 | - | 4.39 | 137,171 |
| History by Letter - F | 0 | - | 4.18 | 113,914 |
| History by Letter - O | 0 | - | 4.32 | 99,241 |
| History by Letter - P | 0 | - | 4.39 | 107,541 |
| History by Letter - R | 0 | - | 4.26 | 121,880 |
| History by Letter - T | 0 | - | 4.39 | 105,032 |
| History by Letter - U | 0 | - | 4.19 | 100,552 |
| History by Letter - V | 0 | - | 4.27 | 80,542 |
| History by Letter - Y | 0 | - | 4.27 | 87,080 |
| History by Letter - Z | 0 | - | 4.18 | 76,866 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,177 |
| History Containing the Letter X | 0 | - | 4.47 | 26,978 |
| History Containing the Letter Z | 0 | - | 4.53 | 23,385 |
| Empires A-Z | 0 | - | 4.51 | 44,980 |
| Same Start and End Letter - History #1 | 0 | - | 4.17 | 24,700 |
| Same Start and End Letter - History #2 | 0 | - | 4.13 | 25,600 |
| History Ending in Z | 0 | - | 4.35 | 13,490 |
| Countries that Start with a Vowel | 0 | - | 4.99 | 129,328 |
| Geography by Letter - T | 0 | - | 4.84 | 153,002 |
| People in History A-Z #1 | 0 | - | 4.61 | 98,808 |
| People in History A-Z #2 | 0 | - | 4.47 | 54,939 |
| People in History A-Z #3 | 0 | - | 4.44 | 46,054 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.89 | 81,616 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 107,303 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 152,989 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 194,422 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 169,675 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 191,300 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 299,865 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 179,690 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,403 |
| 20th Century A-Z | 0 | - | 4.50 | 53,280 |
| 19th Century A-Z | 0 | - | 4.77 | 46,831 |
| 18th Century A-Z | 0 | - | 4.54 | 42,716 |
| "Second Best" History Edition | 0 | - | 4.94 | 62,358 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 73,795 |
| Countries That Were Invaded | 0 | - | 4.55 | 97,148 |
| People in History A-Z #5 | 0 | - | 4.09 | 31,863 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 235,671 |
| Name an Official Language A-Z | 0 | - | 4.91 | 175,279 |
| People Depicted in Paintings | 0 | - | 4.54 | 44,490 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,248 |
| Territory Changes in World War I | 0 | - | 4.87 | 46,446 |
| 16th Century A-Z | 0 | - | 4.58 | 24,443 |
| 15th Century A-Z | 0 | - | 4.49 | 23,435 |
| 14th Century A-Z | 0 | - | 4.41 | 23,868 |
| 17th Century A-Z | 0 | - | 4.78 | 34,232 |
| NATO Military Alphabet | 0 | - | 4.98 | 556,528 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.81 | 799,526 |
| Religion A-Z #2 | 0 | - | 4.41 | 36,910 |
| Geography by Letter - A | 0 | - | 4.74 | 210,871 |
| Geography by Letter - B | 0 | - | 4.56 | 183,824 |
| Geography by Letter - H | 0 | - | 4.69 | 149,681 |
| Geography by Letter - C | 0 | - | 4.47 | 158,036 |
| Geography by Letter - D | 0 | - | 4.50 | 149,925 |
| Geography by Letter - E | 0 | - | 4.42 | 147,049 |
| Geography by Letter - I | 0 | - | 4.42 | 121,533 |
| Geography by Letter - K | 0 | - | 4.53 | 117,656 |
| Geography by Letter - L | 0 | - | 4.43 | 148,007 |
| Geography by Letter - M | 0 | - | 4.49 | 118,176 |
| Geography by Letter - N | 0 | - | 4.51 | 126,606 |
| Geography by Letter - P | 0 | - | 4.47 | 175,525 |
| Geography by Letter - R | 0 | - | 4.44 | 130,798 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 140,019 |
| Geography by Letter - U | 0 | - | 4.53 | 142,499 |
| Asian Geography By Letter - K | 0 | - | 4.74 | 58,046 |
| Geography Containing the Letter X | 0 | - | 4.42 | 34,520 |
| Geography Containing the Letter Q | 0 | - | 4.55 | 32,887 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,194 |
| Geography A-Z #2 | 0 | - | 4.46 | 52,776 |
| Geography A-Z #5 | 0 | - | 4.47 | 37,251 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,439 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,037 |
| Movies that Start with G | 0 | - | 4.49 | 68,383 |
| Movies that Start with I | 0 | - | 4.41 | 65,039 |
| Brand Logos That Start with A | 0 | - | 4.51 | 69,725 |
| Brand Logos That Start With M | 0 | - | 4.45 | 62,185 |
| Former Countries by Territory Map | 0 | - | 4.96 | 102,103 |
| Empires by Maps | 0 | - | 4.98 | 119,259 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,439 |
| Famous Battles Quiz | 0 | - | 4.21 | 48,912 |
| Name the War | 0 | - | 4.37 | 201,185 |
| Famous U.S. Generals | 0 | - | 4.27 | 38,467 |
| Famous Firsts #1 | 0 | - | 4.40 | 68,946 |
| Famous Families #1 | 0 | - | 4.20 | 83,492 |
| Names for Warriors | 0 | - | 4.40 | 36,858 |
| Famous Firsts #2 | 0 | - | 4.01 | 80,931 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,221 |
| People in History A-Z #4 | 0 | - | 4.10 | 22,971 |
| Countries by Military Spending | 0 | - | 4.93 | 176,938 |
| Classic Novels by Plot #2 | 0 | - | 4.87 | 37,715 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 120,081 |
| Name a Minecraft Mob A-Z | 0 | - | 4.86 | 42,078 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,730 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,975 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,622 |
| WWII A-Z #1 | 0 | - | 4.80 | 102,658 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,478 |
| People in History by Wikipedia Descriptions #1 | 0 | - | 4.42 | 44,288 |
| People in History by Wikipedia Descriptions #2 | 0 | - | 4.42 | 39,404 |
| People in History by Wikipedia Descriptions #3 | 0 | - | 4.50 | 36,635 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,309,853 |
| Animals that Start with L | 0 | - | 4.47 | 101,674 |
| Animals that Start with P | 0 | - | 4.45 | 85,926 |
| Animals that Start with S | 0 | - | 4.49 | 87,115 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 89,930 |
| Geography by Letter on the World Map - C | 0 | - | 4.78 | 116,973 |
| World Cities A-Z by Clue #1 | 0 | - | 4.50 | 67,262 |
| Islands A-Z | 0 | - | 4.46 | 117,110 |
| Human Body A-Z | 0 | - | 4.51 | 128,854 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 35,120 |
| Animals A-Z #1 | 0 | - | 4.41 | 93,010 |
| Africa A-Z | 0 | - | 4.57 | 46,491 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.68 | 57,179 |
| Ethnic Groups A-Z | 0 | - | 4.50 | 42,143 |
| Space Exploration Trivia | 0 | - | 4.38 | 35,255 |
| Military History A-Z | 0 | - | 4.20 | 21,092 |
| Famous Generals - Non U.S. | 0 | - | 4.58 | 15,067 |
| Disney A-Z | 0 | - | 4.37 | 86,797 |
| Literature by Letter - A | 0 | - | 4.23 | 31,825 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,098 |
| Companies A-Z | 0 | - | 4.30 | 42,649 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,547 |
| Geography by Letter - G | 0 | - | 4.35 | 125,808 |
| Geography by Letter - F | 0 | - | 4.27 | 137,392 |
| Geography by Letter - J | 0 | - | 4.34 | 122,477 |
| Geography by Letter - O | 0 | - | 4.37 | 129,317 |
| Geography by Letter - V | 0 | - | 4.39 | 121,281 |
| Geography by Letter - W | 0 | - | 4.39 | 114,478 |
| Geography by Letter - Y | 0 | - | 4.39 | 110,955 |
| Geography by Letter - Z | 0 | - | 4.11 | 81,297 |
| Geography by Letter - Q | 0 | - | 4.38 | 69,135 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.18 | 35,168 |
| Geography Containing the Letter Z | 0 | - | 4.49 | 27,722 |
| Video Games A-Z | 0 | - | 4.08 | 38,822 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,144 |
| Movies that Start with A | 0 | - | 4.13 | 61,755 |
| Movies that Start with C | 0 | - | 4.30 | 61,699 |
| Movies that Start with B | 0 | - | 4.36 | 85,057 |
| Movies that Start with D | 0 | - | 4.34 | 68,327 |
| Movies that Start with E | 0 | - | 4.13 | 68,262 |
| Movies that Start with J | 0 | - | 4.18 | 76,029 |
| Movies that Start with L | 0 | - | 4.16 | 60,308 |
| Movies that Start with M | 0 | - | 4.28 | 48,144 |
| Movies that Start with N | 0 | - | 4.02 | 41,184 |
| Movies that Start with P | 0 | - | 4.25 | 54,076 |
| Movies that Start with R | 0 | - | 4.17 | 46,548 |
| Movies that Start with W | 0 | - | 4.07 | 44,196 |
| Movies that Start with T | 0 | - | 4.34 | 49,208 |
| Movies that Start with S | 0 | - | 4.35 | 56,367 |
| Movies that Start with F | 0 | - | 4.13 | 68,746 |
| Music by Letter - F | 0 | - | 4.48 | 26,914 |
| Music by Letter - A | 0 | - | 4.61 | 31,278 |
| Brand Logos That Start With B | 0 | - | 4.38 | 59,574 |
| Brand Logos That Start With D | 0 | - | 4.37 | 61,075 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,287 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,611 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,109 |
| Influential Women in History | 0 | - | 4.42 | 35,284 |
| Metals of Antiquity | 0 | - | 4.94 | 93,109 |
| Cradles of Civilization | 0 | - | 4.46 | 39,360 |
| Materials From History #1 | 0 | - | 4.56 | 51,320 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,406 |
| History: What Came First? #1 | 0 | - | 4.87 | 104,745 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 705,647 |
| WWI... or WWII? | 0 | - | 4.85 | 141,347 |
| Oldest Things | 0 | - | 3.92 | 65,629 |
| Famous Homes - Who Lived There? | 0 | - | 4.09 | 26,789 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 145,501 |
| Famous Explorers | 0 | - | 4.58 | 36,045 |
| Famous Empires by Description | 0 | - | 4.73 | 118,148 |
| Answers by Time Period | 0 | - | 4.64 | 55,409 |
| Famous Firsts #3 - The United States | 0 | - | 4.19 | 14,581 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 70,004 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 156,362 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 66,973 |
| Middle East A-Z | 0 | - | 4.47 | 45,908 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,233 |
| Google What's the Difference? - History | 0 | - | 4.20 | 46,119 |
| Notable People of WWII | 0 | - | 4.53 | 85,466 |
| WWII Trivia #2 | 0 | - | 4.52 | 103,689 |
| World War I Quiz | 0 | - | 4.78 | 100,541 |
| WWI A-Z | 0 | - | 4.50 | 38,146 |
| Most Important People in History | 0 | - | 3.98 | 50,529 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 88,659 |
| Star Wars A-Z | 0 | - | 4.46 | 87,614 |
| Monarchies of the World | 0 | - | 4.94 | 167,347 |
