| History by Letter - B | 0 | - | 4.45 | 171,726 |
| History by Letter - C | 0 | - | 4.70 | 170,850 |
| History by Letter - E | 0 | - | 4.51 | 140,239 |
| History by Letter - G | 0 | - | 4.46 | 121,770 |
| History by Letter - H | 0 | - | 4.45 | 136,238 |
| History by Letter - J | 0 | - | 4.51 | 153,672 |
| History by Letter - N | 0 | - | 4.45 | 103,668 |
| History by Letter - S | 0 | - | 4.47 | 93,926 |
| History by Letter - W | 0 | - | 4.45 | 109,039 |
| History by Letter - M | 0 | - | 4.54 | 119,534 |
| History by Letter - K | 0 | - | 4.50 | 101,095 |
| History by Letter - L | 0 | - | 4.50 | 111,813 |
| History by Letter - I | 0 | - | 4.46 | 103,960 |
| History by Letter - D | 0 | - | 4.39 | 137,225 |
| History by Letter - F | 0 | - | 4.18 | 113,963 |
| History by Letter - O | 0 | - | 4.32 | 99,288 |
| 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 | 121,925 |
| History by Letter - T | 0 | - | 4.39 | 105,075 |
| History by Letter - U | 0 | - | 4.19 | 100,599 |
| History by Letter - V | 0 | - | 4.27 | 80,590 |
| History by Letter - Y | 0 | - | 4.27 | 87,117 |
| History by Letter - Z | 0 | - | 4.18 | 76,893 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,185 |
| History Containing the Letter X | 0 | - | 4.47 | 26,988 |
| 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 | 13,496 |
| Countries that Start with a Vowel | 0 | - | 4.99 | 129,505 |
| Geography by Letter - T | 0 | - | 4.84 | 153,176 |
| 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 | 81,747 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 107,430 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 153,029 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 194,501 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 169,709 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 191,369 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 299,951 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 179,750 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,457 |
| 20th Century A-Z | 0 | - | 4.50 | 53,295 |
| 19th Century A-Z | 0 | - | 4.77 | 46,841 |
| 18th Century A-Z | 0 | - | 4.54 | 42,725 |
| "Second Best" History Edition | 0 | - | 4.94 | 62,417 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 73,826 |
| Countries That Were Invaded | 0 | - | 4.55 | 97,180 |
| People in History A-Z #5 | 0 | - | 4.09 | 31,876 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 235,792 |
| Name an Official Language A-Z | 0 | - | 4.91 | 175,358 |
| People Depicted in Paintings | 0 | - | 4.54 | 44,503 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,270 |
| 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 | 34,238 |
| NATO Military Alphabet | 0 | - | 4.98 | 556,830 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.81 | 799,722 |
| Religion A-Z #2 | 0 | - | 4.41 | 36,920 |
| Geography by Letter - A | 0 | - | 4.74 | 211,008 |
| Geography by Letter - B | 0 | - | 4.56 | 184,042 |
| Geography by Letter - H | 0 | - | 4.69 | 149,856 |
| Geography by Letter - C | 0 | - | 4.47 | 158,204 |
| Geography by Letter - D | 0 | - | 4.50 | 150,070 |
| Geography by Letter - E | 0 | - | 4.42 | 147,174 |
| Geography by Letter - I | 0 | - | 4.42 | 121,649 |
| Geography by Letter - K | 0 | - | 4.53 | 117,765 |
| Geography by Letter - L | 0 | - | 4.43 | 148,121 |
| Geography by Letter - M | 0 | - | 4.49 | 118,274 |
| Geography by Letter - N | 0 | - | 4.51 | 126,692 |
| Geography by Letter - P | 0 | - | 4.47 | 175,618 |
| Geography by Letter - R | 0 | - | 4.44 | 130,898 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 140,120 |
| Geography by Letter - U | 0 | - | 4.53 | 142,597 |
| 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 | 39,907 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,211 |
| 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 | 68,400 |
| Movies that Start with I | 0 | - | 4.41 | 65,048 |
| Brand Logos That Start with A | 0 | - | 4.52 | 69,786 |
| Brand Logos That Start With M | 0 | - | 4.45 | 62,243 |
| Former Countries by Territory Map | 0 | - | 4.96 | 102,182 |
| Empires by Maps | 0 | - | 4.98 | 119,400 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,466 |
| Famous Battles Quiz | 0 | - | 4.21 | 48,920 |
| Name the War | 0 | - | 4.37 | 201,225 |
| 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 | 36,865 |
| 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 | 176,989 |
| Classic Novels by Plot #2 | 0 | - | 4.87 | 37,735 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 120,131 |
| 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 | 102,688 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,497 |
| People in History by Wikipedia Descriptions #1 | 0 | - | 4.42 | 44,299 |
| People in History by Wikipedia Descriptions #2 | 0 | - | 4.42 | 39,412 |
| People in History by Wikipedia Descriptions #3 | 0 | - | 4.50 | 36,640 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,310,557 |
| Animals that Start with L | 0 | - | 4.47 | 101,698 |
| Animals that Start with P | 0 | - | 4.45 | 85,945 |
| Animals that Start with S | 0 | - | 4.49 | 87,142 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 90,018 |
| Geography by Letter on the World Map - C | 0 | - | 4.78 | 117,058 |
| World Cities A-Z by Clue #1 | 0 | - | 4.50 | 67,406 |
| Islands A-Z | 0 | - | 4.46 | 117,144 |
| Human Body A-Z | 0 | - | 4.51 | 128,887 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 35,188 |
| Animals A-Z #1 | 0 | - | 4.41 | 93,032 |
| Africa A-Z | 0 | - | 4.57 | 46,504 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.68 | 57,304 |
| Ethnic Groups A-Z | 0 | - | 4.50 | 42,159 |
| Space Exploration Trivia | 0 | - | 4.38 | 35,269 |
| Military History A-Z | 0 | - | 4.20 | 21,099 |
| Famous Generals - Non U.S. | 0 | - | 4.58 | 15,079 |
| Disney A-Z | 0 | - | 4.37 | 86,828 |
| 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 | 61,559 |
| Geography by Letter - G | 0 | - | 4.35 | 125,917 |
| Geography by Letter - F | 0 | - | 4.27 | 137,499 |
| Geography by Letter - J | 0 | - | 4.34 | 122,579 |
| Geography by Letter - O | 0 | - | 4.37 | 129,408 |
| Geography by Letter - V | 0 | - | 4.39 | 121,366 |
| Geography by Letter - W | 0 | - | 4.39 | 114,553 |
| Geography by Letter - Y | 0 | - | 4.39 | 111,022 |
| Geography by Letter - Z | 0 | - | 4.11 | 81,374 |
| Geography by Letter - Q | 0 | - | 4.38 | 69,205 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.15 | 35,189 |
| Geography Containing the Letter Z | 0 | - | 4.49 | 27,755 |
| Video Games A-Z | 0 | - | 4.08 | 38,837 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,153 |
| Movies that Start with A | 0 | - | 4.13 | 61,769 |
| Movies that Start with C | 0 | - | 4.30 | 61,719 |
| Movies that Start with B | 0 | - | 4.36 | 85,079 |
| 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 | 59,623 |
| Brand Logos That Start With D | 0 | - | 4.37 | 61,120 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,335 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,668 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,157 |
| Influential Women in History | 0 | - | 4.42 | 35,306 |
| Metals of Antiquity | 0 | - | 4.94 | 93,151 |
| 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 | 46,439 |
| History: What Came First? #1 | 0 | - | 4.87 | 104,821 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 705,835 |
| WWI... or WWII? | 0 | - | 4.85 | 141,446 |
| 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 | 145,542 |
| Famous Explorers | 0 | - | 4.58 | 36,053 |
| Famous Empires by Description | 0 | - | 4.73 | 118,172 |
| Answers by Time Period | 0 | - | 4.64 | 55,428 |
| Famous Firsts #3 - The United States | 0 | - | 4.19 | 14,597 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 70,053 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 156,453 |
| 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 | 46,127 |
| Notable People of WWII | 0 | - | 4.53 | 85,487 |
| WWII Trivia #2 | 0 | - | 4.52 | 103,725 |
| World War I Quiz | 0 | - | 4.78 | 100,575 |
| WWI A-Z | 0 | - | 4.50 | 38,166 |
| Most Important People in History | 0 | - | 3.98 | 50,547 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 89,355 |
| Star Wars A-Z | 0 | - | 4.46 | 87,698 |
| Monarchies of the World | 0 | - | 4.94 | 167,458 |
