| History by Letter - B | 0 | - | 4.45 | 172,809 |
| History by Letter - C | 0 | - | 4.70 | 172,109 |
| History by Letter - E | 0 | - | 4.51 | 141,095 |
| History by Letter - G | 0 | - | 4.46 | 122,549 |
| History by Letter - H | 0 | - | 4.45 | 137,187 |
| History by Letter - J | 0 | - | 4.51 | 154,563 |
| History by Letter - N | 0 | - | 4.45 | 104,414 |
| History by Letter - W | 0 | - | 4.45 | 109,923 |
| History by Letter - M | 0 | - | 4.54 | 120,228 |
| History by Letter - K | 0 | - | 4.50 | 101,706 |
| History by Letter - L | 0 | - | 4.50 | 112,486 |
| History by Letter - I | 0 | - | 4.46 | 104,745 |
| History by Letter - D | 0 | - | 4.40 | 138,230 |
| History by Letter - F | 0 | - | 4.18 | 114,808 |
| History by Letter - O | 0 | - | 4.32 | 99,813 |
| History by Letter - P | 0 | - | 4.36 | 108,176 |
| History by Letter - Q | 0 | - | 4.34 | 80,574 |
| History by Letter - R | 0 | - | 4.26 | 122,534 |
| History by Letter - T | 0 | - | 4.39 | 105,572 |
| History by Letter - U | 0 | - | 4.19 | 101,088 |
| History by Letter - V | 0 | - | 4.27 | 81,023 |
| History by Letter - Y | 0 | - | 4.27 | 87,538 |
| History by Letter - Z | 0 | - | 4.20 | 77,272 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,296 |
| History Containing the Letter X | 0 | - | 4.47 | 27,103 |
| History Containing the Letter Z | 0 | - | 4.53 | 23,495 |
| Empires A-Z | 0 | - | 4.52 | 45,306 |
| Same Start and End Letter - History #1 | 0 | - | 4.18 | 24,770 |
| Same Start and End Letter - History #2 | 0 | - | 4.13 | 25,731 |
| History Ending in Z | 0 | - | 4.35 | 13,559 |
| Countries that Start with a Vowel | 0 | - | 4.99 | 154,355 |
| Geography by Letter - T | 0 | - | 4.84 | 154,557 |
| People in History A-Z #1 | 0 | - | 4.63 | 99,233 |
| People in History A-Z #2 | 0 | - | 4.47 | 55,243 |
| People in History A-Z #3 | 0 | - | 4.44 | 46,281 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.87 | 82,628 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 108,445 |
| Southernmost Countries A-Z | 0 | - | 4.95 | 153,842 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 196,166 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 170,609 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 192,907 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 301,420 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 180,837 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 73,186 |
| 20th Century A-Z | 0 | - | 4.50 | 53,857 |
| 19th Century A-Z | 0 | - | 4.77 | 47,381 |
| 18th Century A-Z | 0 | - | 4.54 | 43,247 |
| "Second Best" History Edition | 0 | - | 4.94 | 63,630 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 74,252 |
| Countries That Were Invaded | 0 | - | 4.55 | 97,619 |
| People in History A-Z #5 | 0 | - | 4.09 | 32,019 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 237,882 |
| Name an Official Language A-Z | 0 | - | 4.91 | 176,413 |
| People Depicted in Paintings | 0 | - | 4.55 | 44,735 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,533 |
| Territory Changes in World War I | 0 | - | 4.87 | 46,952 |
| 16th Century A-Z | 0 | - | 4.58 | 24,957 |
| 15th Century A-Z | 0 | - | 4.49 | 23,970 |
| 14th Century A-Z | 0 | - | 4.41 | 24,443 |
| 17th Century A-Z | 0 | - | 4.78 | 34,697 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,740 |
| NATO Military Alphabet | 0 | - | 4.98 | 562,066 |
| Religion A-Z #2 | 0 | - | 4.41 | 37,057 |
| Geography by Letter - A | 0 | - | 4.74 | 212,261 |
| Geography by Letter - B | 0 | - | 4.56 | 185,279 |
| Geography by Letter - H | 0 | - | 4.69 | 150,850 |
| Geography by Letter - C | 0 | - | 4.48 | 159,270 |
| Geography by Letter - D | 0 | - | 4.50 | 151,285 |
| Geography by Letter - E | 0 | - | 4.42 | 148,126 |
| Geography by Letter - I | 0 | - | 4.42 | 122,416 |
| Geography by Letter - K | 0 | - | 4.54 | 118,775 |
| Geography by Letter - L | 0 | - | 4.44 | 149,196 |
| Geography by Letter - M | 0 | - | 4.49 | 119,065 |
| Geography by Letter - N | 0 | - | 4.51 | 127,612 |
| Geography by Letter - P | 0 | - | 4.47 | 176,505 |
| Geography by Letter - R | 0 | - | 4.43 | 132,192 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 141,031 |
| Geography by Letter - U | 0 | - | 4.53 | 143,552 |
| Asian Geography By Letter - K | 0 | - | 4.75 | 58,253 |
| Geography Containing the Letter X | 0 | - | 4.42 | 34,716 |
| Geography Containing the Letter Q | 0 | - | 4.56 | 43,066 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,440 |
| Geography A-Z #2 | 0 | - | 4.46 | 53,021 |
| Geography A-Z #5 | 0 | - | 4.44 | 37,436 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,700 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,474 |
| Movies that Start with G | 0 | - | 4.49 | 68,697 |
| Movies that Start with I | 0 | - | 4.41 | 65,293 |
| Former Countries by Territory Map | 0 | - | 4.96 | 103,230 |
| Empires by Maps | 0 | - | 4.98 | 121,110 |
| Ultimate 20th Century History Quiz | 0 | - | 4.87 | 53,928 |
| Famous Battles Quiz | 0 | - | 4.21 | 49,054 |
| Name the War | 0 | - | 4.37 | 202,462 |
| Famous U.S. Generals | 0 | - | 4.27 | 38,588 |
| Famous Firsts #1 | 0 | - | 4.40 | 69,333 |
| Famous Families #1 | 0 | - | 4.20 | 83,669 |
| Names for Warriors | 0 | - | 4.40 | 36,995 |
| Famous Firsts #2 | 0 | - | 4.01 | 81,321 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,494 |
| People in History A-Z #4 | 0 | - | 4.11 | 23,093 |
| Countries by Military Spending | 0 | - | 4.93 | 178,530 |
| Classic Novels by Plot #2 | 0 | - | 4.86 | 38,366 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 121,273 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,546 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,615 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,865 |
| WWII A-Z #1 | 0 | - | 4.73 | 103,161 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,773 |
| People in History by Wikipedia Descriptions #1 | 0 | - | 4.42 | 44,419 |
| People in History by Wikipedia Descriptions #2 | 0 | - | 4.42 | 39,515 |
| People in History by Wikipedia Descriptions #3 | 0 | - | 4.50 | 36,724 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,320,916 |
| Animals that Start with L | 0 | - | 4.47 | 102,290 |
| Animals that Start with P | 0 | - | 4.45 | 86,338 |
| Animals that Start with S | 0 | - | 4.49 | 87,540 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 90,773 |
| Geography by Letter on the World Map - C | 0 | - | 4.77 | 118,164 |
| World Cities A-Z by Clue #1 | 0 | - | 4.51 | 68,489 |
| Islands A-Z | 0 | - | 4.46 | 126,087 |
| World Cities A-Z by Clue #2 | 0 | - | 4.41 | 59,347 |
| Human Body A-Z | 0 | - | 4.51 | 129,431 |
| Asian Cities A-Z by Clue | 0 | - | 4.51 | 42,608 |
| Africa A-Z | 0 | - | 4.57 | 46,704 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.70 | 58,031 |
| Ethnic Groups A-Z | 0 | - | 4.51 | 42,396 |
| Space Exploration Trivia | 0 | - | 4.38 | 35,422 |
| Military History A-Z | 0 | - | 4.20 | 21,199 |
| Famous Generals - Non U.S. | 0 | - | 4.59 | 15,185 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,311 |
| Brand Logos That Start With D | 0 | - | 4.36 | 61,857 |
| Brand Logos That Start With C | 0 | - | 4.20 | 49,890 |
| Brand Logos That Start With L | 0 | - | 4.39 | 61,517 |
| Brand Logos That Start With M | 0 | - | 4.40 | 63,168 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,952 |
| Disney A-Z | 0 | - | 4.37 | 87,314 |
| Literature by Letter - A | 0 | - | 4.24 | 32,255 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,355 |
| Companies A-Z | 0 | - | 4.30 | 42,733 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,687 |
| Geography by Letter - G | 0 | - | 4.33 | 126,732 |
| Geography by Letter - F | 0 | - | 4.28 | 138,443 |
| Geography by Letter - J | 0 | - | 4.35 | 123,328 |
| Geography by Letter - O | 0 | - | 4.37 | 130,155 |
| Geography by Letter - V | 0 | - | 4.39 | 122,189 |
| Geography by Letter - W | 0 | - | 4.39 | 115,186 |
| Geography by Letter - Y | 0 | - | 4.39 | 111,884 |
| Geography by Letter - Z | 0 | - | 4.11 | 81,932 |
| Geography by Letter - Q | 0 | - | 4.38 | 69,807 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.15 | 35,319 |
| Geography Containing the Letter Z | 0 | - | 4.49 | 27,918 |
| Video Games A-Z | 0 | - | 4.05 | 39,121 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,331 |
| Movies that Start with A | 0 | - | 4.13 | 62,031 |
| Movies that Start with C | 0 | - | 4.30 | 62,021 |
| Movies that Start with B | 0 | - | 4.36 | 85,577 |
| Movies that Start with D | 0 | - | 4.34 | 68,574 |
| Movies that Start with E | 0 | - | 4.13 | 68,505 |
| Movies that Start with J | 0 | - | 4.18 | 76,300 |
| Movies that Start with L | 0 | - | 4.16 | 60,520 |
| Movies that Start with M | 0 | - | 4.28 | 48,326 |
| Movies that Start with N | 0 | - | 4.02 | 41,329 |
| Movies that Start with P | 0 | - | 4.25 | 54,224 |
| Movies that Start with R | 0 | - | 4.17 | 46,736 |
| Movies that Start with W | 0 | - | 4.07 | 44,324 |
| Movies that Start with T | 0 | - | 4.34 | 49,393 |
| Movies that Start with S | 0 | - | 4.35 | 56,566 |
| Movies that Start with F | 0 | - | 4.13 | 68,988 |
| Music by Letter - F | 0 | - | 4.48 | 27,065 |
| Music by Letter - A | 0 | - | 4.61 | 31,458 |
| Influential Women in History | 0 | - | 4.42 | 36,149 |
| Metals of Antiquity | 0 | - | 4.95 | 93,663 |
| Cradles of Civilization | 0 | - | 4.46 | 40,112 |
| Materials From History #1 | 0 | - | 4.56 | 51,887 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,908 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 708,899 |
| WWI... or WWII? | 0 | - | 4.85 | 142,745 |
| Oldest Things | 0 | - | 3.92 | 65,681 |
| Famous Homes - Who Lived There? | 0 | - | 4.09 | 26,838 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 146,276 |
| Famous Explorers | 0 | - | 4.58 | 36,272 |
| Famous Empires by Description | 0 | - | 4.73 | 118,735 |
| Answers by Time Period | 0 | - | 4.64 | 55,731 |
| Famous Firsts #3 - The United States | 0 | - | 4.19 | 14,869 |
| Years in History #1 - Multiple Choice | 0 | - | 4.82 | 70,447 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 157,824 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 67,283 |
| Middle East A-Z | 0 | - | 4.47 | 46,171 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.46 | 44,451 |
| Google What's the Difference? - History | 0 | - | 4.20 | 46,308 |
| Notable People of WWII | 0 | - | 4.53 | 86,054 |
| WWII Trivia #2 | 0 | - | 4.52 | 104,347 |
| World War I Quiz | 0 | - | 4.78 | 101,500 |
| WWI A-Z | 0 | - | 4.51 | 38,464 |
| Most Important People in History | 0 | - | 3.98 | 50,837 |
| People in History by Wikipedia Descriptions #4 | 0 | - | 4.41 | 30,760 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 92,299 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 182,198 |
| Star Wars A-Z | 0 | - | 4.46 | 88,503 |
| Monarchies of the World | 0 | - | 4.94 | 169,434 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.92 | 113,419 |
