| History by Letter - B | 0 | - | 4.45 | 171,724 |
| History by Letter - C | 0 | - | 4.70 | 170,850 |
| History by Letter - E | 0 | - | 4.51 | 140,236 |
| History by Letter - G | 0 | - | 4.46 | 121,767 |
| History by Letter - H | 0 | - | 4.45 | 136,235 |
| History by Letter - J | 0 | - | 4.51 | 153,671 |
| History by Letter - N | 0 | - | 4.45 | 103,667 |
| History by Letter - S | 0 | - | 4.47 | 93,923 |
| History by Letter - W | 0 | - | 4.45 | 109,037 |
| History by Letter - M | 0 | - | 4.54 | 119,532 |
| History by Letter - K | 0 | - | 4.50 | 101,093 |
| History by Letter - L | 0 | - | 4.50 | 111,811 |
| History by Letter - I | 0 | - | 4.46 | 103,958 |
| History by Letter - D | 0 | - | 4.39 | 137,224 |
| History by Letter - F | 0 | - | 4.18 | 113,961 |
| History by Letter - O | 0 | - | 4.32 | 99,287 |
| History by Letter - P | 0 | - | 4.39 | 107,593 |
| History by Letter - Q | 0 | - | 4.34 | 80,161 |
| History by Letter - R | 0 | - | 4.26 | 121,923 |
| History by Letter - T | 0 | - | 4.39 | 105,074 |
| History by Letter - V | 0 | - | 4.27 | 80,588 |
| History by Letter - Y | 0 | - | 4.27 | 87,117 |
| History by Letter - Z | 0 | - | 4.18 | 76,892 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,185 |
| History Containing the Letter X | 0 | - | 4.47 | 26,987 |
| History Containing the Letter Z | 0 | - | 4.53 | 23,391 |
| Empires A-Z | 0 | - | 4.51 | 44,996 |
| Same Start and End Letter - History #1 | 0 | - | 4.17 | 24,706 |
| Same Start and End Letter - History #2 | 0 | - | 4.13 | 25,606 |
| History Ending in Z | 0 | - | 4.35 | 13,495 |
| Countries that Start with a Vowel | 0 | - | 4.99 | 129,502 |
| Geography by Letter - T | 0 | - | 4.84 | 153,171 |
| People in History A-Z #1 | 0 | - | 4.61 | 98,824 |
| People in History A-Z #2 | 0 | - | 4.47 | 54,952 |
| People in History A-Z #3 | 0 | - | 4.44 | 46,063 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.89 | 81,746 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 107,427 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 153,029 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 194,500 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 169,709 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 191,367 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 299,950 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 179,748 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,457 |
| 20th Century A-Z | 0 | - | 4.50 | 53,294 |
| 19th Century A-Z | 0 | - | 4.77 | 46,841 |
| 18th Century A-Z | 0 | - | 4.54 | 42,724 |
| "Second Best" History Edition | 0 | - | 4.94 | 62,415 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 73,824 |
| Countries That Were Invaded | 0 | - | 4.55 | 97,179 |
| People in History A-Z #5 | 0 | - | 4.09 | 31,876 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 235,789 |
| Name an Official Language A-Z | 0 | - | 4.91 | 175,354 |
| People Depicted in Paintings | 0 | - | 4.54 | 44,502 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,269 |
| Territory Changes in World War I | 0 | - | 4.87 | 46,487 |
| 16th Century A-Z | 0 | - | 4.58 | 24,449 |
| 15th Century A-Z | 0 | - | 4.49 | 23,443 |
| 14th Century A-Z | 0 | - | 4.41 | 23,875 |
| 17th Century A-Z | 0 | - | 4.78 | 34,237 |
| NATO Military Alphabet | 0 | - | 4.98 | 556,825 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.81 | 799,715 |
| Religion A-Z #2 | 0 | - | 4.41 | 36,918 |
| Geography by Letter - A | 0 | - | 4.74 | 211,004 |
| Geography by Letter - B | 0 | - | 4.56 | 184,038 |
| Geography by Letter - H | 0 | - | 4.69 | 149,850 |
| Geography by Letter - C | 0 | - | 4.47 | 158,200 |
| Geography by Letter - D | 0 | - | 4.50 | 150,064 |
| Geography by Letter - E | 0 | - | 4.42 | 147,168 |
| Geography by Letter - I | 0 | - | 4.42 | 121,646 |
| Geography by Letter - K | 0 | - | 4.53 | 117,760 |
| Geography by Letter - L | 0 | - | 4.43 | 148,115 |
| Geography by Letter - M | 0 | - | 4.49 | 118,269 |
| Geography by Letter - N | 0 | - | 4.51 | 126,688 |
| Geography by Letter - P | 0 | - | 4.47 | 175,617 |
| Geography by Letter - R | 0 | - | 4.44 | 130,894 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 140,117 |
| Geography by Letter - U | 0 | - | 4.53 | 142,593 |
| Asian Geography By Letter - K | 0 | - | 4.74 | 58,063 |
| Geography Containing the Letter X | 0 | - | 4.42 | 34,552 |
| Geography Containing the Letter Q | 0 | - | 4.54 | 39,831 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,208 |
| Geography A-Z #2 | 0 | - | 4.46 | 52,788 |
| Geography A-Z #5 | 0 | - | 4.47 | 37,266 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,448 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,055 |
| Movies that Start with G | 0 | - | 4.49 | 68,398 |
| Movies that Start with I | 0 | - | 4.41 | 65,047 |
| Brand Logos That Start with A | 0 | - | 4.52 | 69,784 |
| Brand Logos That Start With M | 0 | - | 4.45 | 62,239 |
| Former Countries by Territory Map | 0 | - | 4.96 | 102,178 |
| Empires by Maps | 0 | - | 4.98 | 119,388 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,465 |
| Famous Battles Quiz | 0 | - | 4.21 | 48,920 |
| Name the War | 0 | - | 4.37 | 201,224 |
| Famous U.S. Generals | 0 | - | 4.27 | 38,470 |
| Famous Firsts #1 | 0 | - | 4.40 | 68,958 |
| Famous Families #1 | 0 | - | 4.20 | 83,506 |
| Names for Warriors | 0 | - | 4.40 | 36,864 |
| Famous Firsts #2 | 0 | - | 4.01 | 80,946 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,240 |
| People in History A-Z #4 | 0 | - | 4.10 | 22,977 |
| Countries by Military Spending | 0 | - | 4.93 | 176,987 |
| Classic Novels by Plot #2 | 0 | - | 4.87 | 37,735 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 120,131 |
| Name a Minecraft Mob A-Z | 0 | - | 4.87 | 42,150 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,757 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,001 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,631 |
| WWII A-Z #1 | 0 | - | 4.78 | 102,686 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,496 |
| People in History by Wikipedia Descriptions #1 | 0 | - | 4.42 | 44,298 |
| People in History by Wikipedia Descriptions #2 | 0 | - | 4.42 | 39,411 |
| People in History by Wikipedia Descriptions #3 | 0 | - | 4.50 | 36,640 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,310,531 |
| Animals that Start with L | 0 | - | 4.47 | 101,697 |
| Animals that Start with P | 0 | - | 4.45 | 85,945 |
| Animals that Start with S | 0 | - | 4.49 | 87,140 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 90,015 |
| Geography by Letter on the World Map - C | 0 | - | 4.78 | 117,055 |
| World Cities A-Z by Clue #1 | 0 | - | 4.50 | 67,399 |
| Islands A-Z | 0 | - | 4.46 | 117,144 |
| Human Body A-Z | 0 | - | 4.51 | 128,885 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 35,186 |
| Animals A-Z #1 | 0 | - | 4.41 | 93,032 |
| Africa A-Z | 0 | - | 4.57 | 46,503 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.68 | 57,300 |
| Ethnic Groups A-Z | 0 | - | 4.50 | 42,159 |
| Space Exploration Trivia | 0 | - | 4.38 | 35,269 |
| Military History A-Z | 0 | - | 4.20 | 21,098 |
| Famous Generals - Non U.S. | 0 | - | 4.58 | 15,079 |
| Disney A-Z | 0 | - | 4.37 | 86,825 |
| Literature by Letter - A | 0 | - | 4.23 | 31,837 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,104 |
| Companies A-Z | 0 | - | 4.30 | 42,653 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,558 |
| Geography by Letter - G | 0 | - | 4.35 | 125,912 |
| Geography by Letter - F | 0 | - | 4.27 | 137,498 |
| Geography by Letter - J | 0 | - | 4.34 | 122,574 |
| Geography by Letter - O | 0 | - | 4.37 | 129,403 |
| Geography by Letter - V | 0 | - | 4.39 | 121,363 |
| Geography by Letter - W | 0 | - | 4.39 | 114,551 |
| Geography by Letter - Y | 0 | - | 4.39 | 111,021 |
| Geography by Letter - Z | 0 | - | 4.11 | 81,373 |
| Geography by Letter - Q | 0 | - | 4.38 | 69,203 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.15 | 35,188 |
| Geography Containing the Letter Z | 0 | - | 4.49 | 27,754 |
| Video Games A-Z | 0 | - | 4.08 | 38,836 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,152 |
| Movies that Start with A | 0 | - | 4.13 | 61,768 |
| Movies that Start with C | 0 | - | 4.30 | 61,718 |
| Movies that Start with B | 0 | - | 4.36 | 85,078 |
| Movies that Start with D | 0 | - | 4.34 | 68,341 |
| Movies that Start with E | 0 | - | 4.13 | 68,276 |
| Movies that Start with J | 0 | - | 4.18 | 76,052 |
| Movies that Start with L | 0 | - | 4.16 | 60,325 |
| Movies that Start with M | 0 | - | 4.28 | 48,150 |
| Movies that Start with N | 0 | - | 4.02 | 41,191 |
| Movies that Start with P | 0 | - | 4.25 | 54,084 |
| Movies that Start with R | 0 | - | 4.17 | 46,563 |
| Movies that Start with W | 0 | - | 4.07 | 44,205 |
| Movies that Start with T | 0 | - | 4.34 | 49,219 |
| Movies that Start with S | 0 | - | 4.35 | 56,376 |
| Movies that Start with F | 0 | - | 4.13 | 68,754 |
| Music by Letter - F | 0 | - | 4.48 | 26,922 |
| Music by Letter - A | 0 | - | 4.61 | 31,284 |
| Brand Logos That Start With B | 0 | - | 4.38 | 59,621 |
| Brand Logos That Start With D | 0 | - | 4.37 | 61,118 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,334 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,665 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,156 |
| Influential Women in History | 0 | - | 4.42 | 35,306 |
| Metals of Antiquity | 0 | - | 4.94 | 93,149 |
| Cradles of Civilization | 0 | - | 4.46 | 39,382 |
| Materials From History #1 | 0 | - | 4.56 | 51,341 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,438 |
| History: What Came First? #1 | 0 | - | 4.87 | 104,819 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 705,830 |
| WWI... or WWII? | 0 | - | 4.85 | 141,443 |
| Oldest Things | 0 | - | 3.92 | 65,631 |
| Famous Homes - Who Lived There? | 0 | - | 4.09 | 26,796 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 145,541 |
| Famous Explorers | 0 | - | 4.58 | 36,053 |
| Famous Empires by Description | 0 | - | 4.73 | 118,172 |
| Answers by Time Period | 0 | - | 4.64 | 55,427 |
| Famous Firsts #3 - The United States | 0 | - | 4.19 | 14,596 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 70,050 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 156,447 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 66,984 |
| Middle East A-Z | 0 | - | 4.47 | 45,920 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,239 |
| Google What's the Difference? - History | 0 | - | 4.20 | 46,126 |
| Notable People of WWII | 0 | - | 4.53 | 85,487 |
| WWII Trivia #2 | 0 | - | 4.52 | 103,723 |
| World War I Quiz | 0 | - | 4.78 | 100,573 |
| WWI A-Z | 0 | - | 4.50 | 38,164 |
| Most Important People in History | 0 | - | 3.98 | 50,547 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 89,337 |
| Star Wars A-Z | 0 | - | 4.46 | 87,692 |
| Monarchies of the World | 0 | - | 4.94 | 167,453 |
