| History by Letter - B | 0 | - | 4.45 | 171,663 |
| History by Letter - C | 0 | - | 4.70 | 170,793 |
| History by Letter - E | 0 | - | 4.51 | 140,180 |
| History by Letter - G | 0 | - | 4.46 | 121,725 |
| History by Letter - H | 0 | - | 4.45 | 136,178 |
| History by Letter - J | 0 | - | 4.51 | 153,598 |
| History by Letter - N | 0 | - | 4.45 | 103,623 |
| History by Letter - S | 0 | - | 4.47 | 93,874 |
| History by Letter - W | 0 | - | 4.45 | 108,994 |
| History by Letter - M | 0 | - | 4.54 | 119,373 |
| History by Letter - K | 0 | - | 4.50 | 101,049 |
| History by Letter - L | 0 | - | 4.50 | 111,760 |
| History by Letter - I | 0 | - | 4.46 | 103,909 |
| History by Letter - D | 0 | - | 4.39 | 137,175 |
| History by Letter - F | 0 | - | 4.18 | 113,918 |
| History by Letter - P | 0 | - | 4.39 | 107,548 |
| History by Letter - Q | 0 | - | 4.34 | 80,138 |
| History by Letter - R | 0 | - | 4.26 | 121,885 |
| History by Letter - T | 0 | - | 4.39 | 105,036 |
| History by Letter - U | 0 | - | 4.19 | 100,557 |
| History by Letter - V | 0 | - | 4.27 | 80,549 |
| History by Letter - Y | 0 | - | 4.27 | 87,084 |
| History by Letter - Z | 0 | - | 4.18 | 76,868 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,179 |
| History Containing the Letter X | 0 | - | 4.47 | 26,982 |
| History Containing the Letter Z | 0 | - | 4.53 | 23,390 |
| Empires A-Z | 0 | - | 4.51 | 44,982 |
| Same Start and End Letter - History #1 | 0 | - | 4.17 | 24,703 |
| Same Start and End Letter - History #2 | 0 | - | 4.13 | 25,602 |
| History Ending in Z | 0 | - | 4.35 | 13,491 |
| Countries that Start with a Vowel | 0 | - | 4.99 | 129,359 |
| Geography by Letter - T | 0 | - | 4.84 | 153,023 |
| People in History A-Z #1 | 0 | - | 4.61 | 98,809 |
| People in History A-Z #2 | 0 | - | 4.47 | 54,940 |
| People in History A-Z #3 | 0 | - | 4.44 | 46,055 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.89 | 81,639 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 107,314 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 152,997 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 194,431 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 169,678 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 191,306 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 299,875 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 179,699 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,410 |
| 20th Century A-Z | 0 | - | 4.50 | 53,283 |
| 19th Century A-Z | 0 | - | 4.77 | 46,835 |
| 18th Century A-Z | 0 | - | 4.54 | 42,718 |
| "Second Best" History Edition | 0 | - | 4.94 | 62,365 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 73,801 |
| Countries That Were Invaded | 0 | - | 4.55 | 97,153 |
| People in History A-Z #5 | 0 | - | 4.09 | 31,864 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 235,684 |
| Name an Official Language A-Z | 0 | - | 4.91 | 175,301 |
| People Depicted in Paintings | 0 | - | 4.54 | 44,493 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,252 |
| Territory Changes in World War I | 0 | - | 4.87 | 46,453 |
| 16th Century A-Z | 0 | - | 4.58 | 24,446 |
| 15th Century A-Z | 0 | - | 4.49 | 23,440 |
| 14th Century A-Z | 0 | - | 4.41 | 23,871 |
| 17th Century A-Z | 0 | - | 4.78 | 34,233 |
| NATO Military Alphabet | 0 | - | 4.98 | 556,604 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.81 | 799,563 |
| Religion A-Z #2 | 0 | - | 4.41 | 36,914 |
| Geography by Letter - A | 0 | - | 4.74 | 210,884 |
| Geography by Letter - B | 0 | - | 4.56 | 183,847 |
| Geography by Letter - H | 0 | - | 4.69 | 149,714 |
| Geography by Letter - C | 0 | - | 4.47 | 158,056 |
| Geography by Letter - D | 0 | - | 4.50 | 149,948 |
| Geography by Letter - E | 0 | - | 4.42 | 147,066 |
| Geography by Letter - I | 0 | - | 4.42 | 121,551 |
| Geography by Letter - K | 0 | - | 4.53 | 117,673 |
| Geography by Letter - L | 0 | - | 4.43 | 148,029 |
| Geography by Letter - M | 0 | - | 4.49 | 118,200 |
| Geography by Letter - N | 0 | - | 4.51 | 126,620 |
| Geography by Letter - P | 0 | - | 4.47 | 175,541 |
| Geography by Letter - R | 0 | - | 4.44 | 130,811 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 140,035 |
| Geography by Letter - U | 0 | - | 4.53 | 142,519 |
| Asian Geography By Letter - K | 0 | - | 4.74 | 58,048 |
| Geography Containing the Letter X | 0 | - | 4.42 | 34,524 |
| Geography Containing the Letter Q | 0 | - | 4.55 | 34,133 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,199 |
| Geography A-Z #2 | 0 | - | 4.46 | 52,778 |
| Geography A-Z #5 | 0 | - | 4.47 | 37,252 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,440 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,040 |
| Movies that Start with G | 0 | - | 4.49 | 68,389 |
| Movies that Start with I | 0 | - | 4.41 | 65,041 |
| Brand Logos That Start with A | 0 | - | 4.52 | 69,734 |
| Brand Logos That Start With M | 0 | - | 4.45 | 62,196 |
| Former Countries by Territory Map | 0 | - | 4.96 | 102,113 |
| Empires by Maps | 0 | - | 4.98 | 119,271 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,444 |
| Famous Battles Quiz | 0 | - | 4.21 | 48,913 |
| Name the War | 0 | - | 4.37 | 201,194 |
| Famous U.S. Generals | 0 | - | 4.27 | 38,467 |
| Famous Firsts #1 | 0 | - | 4.40 | 68,951 |
| Famous Families #1 | 0 | - | 4.20 | 83,498 |
| Names for Warriors | 0 | - | 4.40 | 36,859 |
| Famous Firsts #2 | 0 | - | 4.01 | 80,933 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,225 |
| People in History A-Z #4 | 0 | - | 4.10 | 22,972 |
| Countries by Military Spending | 0 | - | 4.93 | 176,949 |
| Classic Novels by Plot #2 | 0 | - | 4.87 | 37,718 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 120,091 |
| Name a Minecraft Mob A-Z | 0 | - | 4.87 | 42,097 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,738 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,980 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,625 |
| WWII A-Z #1 | 0 | - | 4.80 | 102,664 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,485 |
| People in History by Wikipedia Descriptions #1 | 0 | - | 4.42 | 44,293 |
| People in History by Wikipedia Descriptions #2 | 0 | - | 4.42 | 39,408 |
| People in History by Wikipedia Descriptions #3 | 0 | - | 4.50 | 36,639 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,310,032 |
| Animals that Start with L | 0 | - | 4.47 | 101,679 |
| Animals that Start with P | 0 | - | 4.45 | 85,928 |
| Animals that Start with S | 0 | - | 4.49 | 87,122 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 89,939 |
| Geography by Letter on the World Map - C | 0 | - | 4.78 | 116,992 |
| World Cities A-Z by Clue #1 | 0 | - | 4.50 | 67,287 |
| Islands A-Z | 0 | - | 4.46 | 117,120 |
| Human Body A-Z | 0 | - | 4.51 | 128,862 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 35,130 |
| Animals A-Z #1 | 0 | - | 4.41 | 93,014 |
| Africa A-Z | 0 | - | 4.57 | 46,492 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.68 | 57,225 |
| Ethnic Groups A-Z | 0 | - | 4.50 | 42,144 |
| Space Exploration Trivia | 0 | - | 4.38 | 35,257 |
| Military History A-Z | 0 | - | 4.20 | 21,093 |
| Famous Generals - Non U.S. | 0 | - | 4.58 | 15,070 |
| Disney A-Z | 0 | - | 4.37 | 86,806 |
| Literature by Letter - A | 0 | - | 4.23 | 31,828 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,100 |
| Companies A-Z | 0 | - | 4.30 | 42,649 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,549 |
| Geography by Letter - G | 0 | - | 4.35 | 125,820 |
| Geography by Letter - F | 0 | - | 4.27 | 137,404 |
| Geography by Letter - J | 0 | - | 4.34 | 122,490 |
| Geography by Letter - O | 0 | - | 4.37 | 129,331 |
| Geography by Letter - V | 0 | - | 4.39 | 121,295 |
| Geography by Letter - W | 0 | - | 4.39 | 114,493 |
| Geography by Letter - Y | 0 | - | 4.39 | 110,972 |
| Geography by Letter - Z | 0 | - | 4.11 | 81,320 |
| Geography by Letter - Q | 0 | - | 4.38 | 69,149 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.18 | 35,172 |
| Geography Containing the Letter Z | 0 | - | 4.49 | 27,728 |
| Video Games A-Z | 0 | - | 4.08 | 38,826 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,144 |
| Movies that Start with A | 0 | - | 4.13 | 61,758 |
| Movies that Start with C | 0 | - | 4.30 | 61,702 |
| Movies that Start with B | 0 | - | 4.36 | 85,063 |
| Movies that Start with D | 0 | - | 4.34 | 68,333 |
| Movies that Start with E | 0 | - | 4.13 | 68,266 |
| Movies that Start with J | 0 | - | 4.18 | 76,037 |
| Movies that Start with L | 0 | - | 4.16 | 60,313 |
| Movies that Start with M | 0 | - | 4.28 | 48,144 |
| Movies that Start with N | 0 | - | 4.02 | 41,185 |
| Movies that Start with P | 0 | - | 4.25 | 54,076 |
| Movies that Start with R | 0 | - | 4.17 | 46,549 |
| Movies that Start with W | 0 | - | 4.07 | 44,197 |
| Movies that Start with T | 0 | - | 4.34 | 49,210 |
| Movies that Start with S | 0 | - | 4.35 | 56,370 |
| Movies that Start with F | 0 | - | 4.13 | 68,750 |
| Music by Letter - F | 0 | - | 4.48 | 26,916 |
| Music by Letter - A | 0 | - | 4.61 | 31,281 |
| Brand Logos That Start With B | 0 | - | 4.38 | 59,584 |
| Brand Logos That Start With D | 0 | - | 4.37 | 61,083 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,296 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,621 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,114 |
| Influential Women in History | 0 | - | 4.42 | 35,292 |
| Metals of Antiquity | 0 | - | 4.94 | 93,115 |
| Cradles of Civilization | 0 | - | 4.46 | 39,366 |
| Materials From History #1 | 0 | - | 4.56 | 51,329 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,413 |
| History: What Came First? #1 | 0 | - | 4.87 | 104,765 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 705,695 |
| WWI... or WWII? | 0 | - | 4.85 | 141,371 |
| Oldest Things | 0 | - | 3.92 | 65,629 |
| Famous Homes - Who Lived There? | 0 | - | 4.09 | 26,790 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 145,512 |
| Famous Explorers | 0 | - | 4.58 | 36,049 |
| Famous Empires by Description | 0 | - | 4.73 | 118,154 |
| Answers by Time Period | 0 | - | 4.64 | 55,411 |
| Famous Firsts #3 - The United States | 0 | - | 4.19 | 14,585 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 70,015 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 156,378 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 66,974 |
| Middle East A-Z | 0 | - | 4.47 | 45,910 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,233 |
| Google What's the Difference? - History | 0 | - | 4.20 | 46,122 |
| Notable People of WWII | 0 | - | 4.53 | 85,470 |
| WWII Trivia #2 | 0 | - | 4.52 | 103,698 |
| World War I Quiz | 0 | - | 4.78 | 100,548 |
| WWI A-Z | 0 | - | 4.50 | 38,150 |
| Most Important People in History | 0 | - | 3.98 | 50,533 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 88,794 |
| Star Wars A-Z | 0 | - | 4.46 | 87,624 |
| Monarchies of the World | 0 | - | 4.94 | 167,362 |
