| History by Letter - B | 0 | - | 4.45 | 172,307 |
| History by Letter - C | 0 | - | 4.70 | 171,594 |
| History by Letter - E | 0 | - | 4.51 | 140,685 |
| History by Letter - G | 0 | - | 4.46 | 122,191 |
| History by Letter - H | 0 | - | 4.45 | 136,798 |
| History by Letter - J | 0 | - | 4.51 | 154,100 |
| History by Letter - N | 0 | - | 4.45 | 104,135 |
| History by Letter - S | 0 | - | 4.47 | 94,431 |
| History by Letter - W | 0 | - | 4.45 | 109,586 |
| History by Letter - M | 0 | - | 4.54 | 119,895 |
| History by Letter - K | 0 | - | 4.50 | 101,411 |
| History by Letter - L | 0 | - | 4.50 | 112,124 |
| History by Letter - I | 0 | - | 4.46 | 104,279 |
| History by Letter - D | 0 | - | 4.40 | 137,836 |
| History by Letter - F | 0 | - | 4.18 | 114,494 |
| History by Letter - O | 0 | - | 4.32 | 99,556 |
| History by Letter - P | 0 | - | 4.39 | 107,905 |
| History by Letter - Q | 0 | - | 4.34 | 80,382 |
| History by Letter - R | 0 | - | 4.26 | 122,255 |
| History by Letter - T | 0 | - | 4.39 | 105,329 |
| History by Letter - U | 0 | - | 4.19 | 100,842 |
| History by Letter - V | 0 | - | 4.27 | 80,808 |
| History by Letter - Y | 0 | - | 4.27 | 87,321 |
| History by Letter - Z | 0 | - | 4.20 | 77,103 |
| History Containing the Letter X | 0 | - | 4.47 | 27,035 |
| History Containing the Letter Z | 0 | - | 4.53 | 23,434 |
| Empires A-Z | 0 | - | 4.52 | 45,126 |
| Same Start and End Letter - History #1 | 0 | - | 4.18 | 24,736 |
| Same Start and End Letter - History #2 | 0 | - | 4.13 | 25,659 |
| History Ending in Z | 0 | - | 4.35 | 13,521 |
| Countries that Start with a Vowel | 0 | - | 4.99 | 130,181 |
| Geography by Letter - T | 0 | - | 4.84 | 153,851 |
| People in History A-Z #1 | 0 | - | 4.63 | 98,986 |
| People in History A-Z #2 | 0 | - | 4.47 | 55,086 |
| People in History A-Z #3 | 0 | - | 4.44 | 46,168 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.89 | 82,159 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 107,861 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 153,291 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 195,261 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 169,990 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 191,921 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 300,391 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 180,338 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,683 |
| 20th Century A-Z | 0 | - | 4.50 | 53,698 |
| 19th Century A-Z | 0 | - | 4.77 | 47,259 |
| 18th Century A-Z | 0 | - | 4.54 | 43,147 |
| "Second Best" History Edition | 0 | - | 4.94 | 62,853 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 74,030 |
| Countries That Were Invaded | 0 | - | 4.55 | 97,371 |
| People in History A-Z #5 | 0 | - | 4.09 | 31,943 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 236,531 |
| Name an Official Language A-Z | 0 | - | 4.91 | 175,841 |
| People Depicted in Paintings | 0 | - | 4.54 | 44,610 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,393 |
| Territory Changes in World War I | 0 | - | 4.87 | 46,704 |
| 16th Century A-Z | 0 | - | 4.58 | 24,877 |
| 15th Century A-Z | 0 | - | 4.49 | 23,912 |
| 14th Century A-Z | 0 | - | 4.41 | 24,359 |
| 17th Century A-Z | 0 | - | 4.78 | 34,618 |
| NATO Military Alphabet | 0 | - | 4.98 | 559,158 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.81 | 801,861 |
| Religion A-Z #2 | 0 | - | 4.41 | 36,980 |
| Geography by Letter - A | 0 | - | 4.74 | 211,593 |
| Geography by Letter - B | 0 | - | 4.56 | 184,631 |
| Geography by Letter - H | 0 | - | 4.69 | 150,336 |
| Geography by Letter - C | 0 | - | 4.47 | 158,727 |
| Geography by Letter - D | 0 | - | 4.50 | 150,546 |
| Geography by Letter - E | 0 | - | 4.42 | 147,630 |
| Geography by Letter - I | 0 | - | 4.42 | 122,034 |
| Geography by Letter - K | 0 | - | 4.53 | 118,387 |
| Geography by Letter - L | 0 | - | 4.43 | 148,545 |
| Geography by Letter - M | 0 | - | 4.49 | 118,666 |
| Geography by Letter - N | 0 | - | 4.51 | 127,217 |
| Geography by Letter - P | 0 | - | 4.47 | 176,053 |
| Geography by Letter - R | 0 | - | 4.43 | 131,646 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 140,562 |
| Geography by Letter - U | 0 | - | 4.53 | 143,110 |
| Asian Geography By Letter - K | 0 | - | 4.74 | 58,142 |
| Geography Containing the Letter X | 0 | - | 4.42 | 34,631 |
| Geography Containing the Letter Q | 0 | - | 4.55 | 42,891 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,304 |
| Geography A-Z #2 | 0 | - | 4.46 | 52,897 |
| Geography A-Z #5 | 0 | - | 4.44 | 37,350 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,569 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,189 |
| Movies that Start with G | 0 | - | 4.49 | 68,504 |
| Movies that Start with I | 0 | - | 4.41 | 65,141 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,179 |
| Brand Logos That Start With M | 0 | - | 4.45 | 62,686 |
| Former Countries by Territory Map | 0 | - | 4.96 | 102,668 |
| Empires by Maps | 0 | - | 4.98 | 120,177 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,647 |
| Famous Battles Quiz | 0 | - | 4.21 | 48,972 |
| Name the War | 0 | - | 4.37 | 201,536 |
| Famous U.S. Generals | 0 | - | 4.27 | 38,532 |
| Famous Firsts #1 | 0 | - | 4.40 | 69,029 |
| Famous Families #1 | 0 | - | 4.20 | 83,584 |
| Names for Warriors | 0 | - | 4.40 | 36,916 |
| Famous Firsts #2 | 0 | - | 4.01 | 81,013 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,348 |
| People in History A-Z #4 | 0 | - | 4.11 | 23,024 |
| Countries by Military Spending | 0 | - | 4.93 | 177,538 |
| Classic Novels by Plot #2 | 0 | - | 4.87 | 38,002 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 120,601 |
| Name a Minecraft Mob A-Z | 0 | - | 4.87 | 42,620 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,019 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,225 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,716 |
| WWII A-Z #1 | 0 | - | 4.78 | 102,913 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,627 |
| People in History by Wikipedia Descriptions #1 | 0 | - | 4.42 | 44,346 |
| People in History by Wikipedia Descriptions #2 | 0 | - | 4.42 | 39,458 |
| People in History by Wikipedia Descriptions #3 | 0 | - | 4.50 | 36,676 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,315,007 |
| Animals that Start with L | 0 | - | 4.47 | 101,848 |
| Animals that Start with P | 0 | - | 4.45 | 86,083 |
| Animals that Start with S | 0 | - | 4.49 | 87,290 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 90,346 |
| Geography by Letter on the World Map - C | 0 | - | 4.79 | 117,434 |
| World Cities A-Z by Clue #1 | 0 | - | 4.51 | 68,035 |
| Islands A-Z | 0 | - | 4.45 | 123,740 |
| Human Body A-Z | 0 | - | 4.51 | 129,106 |
| Asian Cities A-Z by Clue | 0 | - | 4.49 | 35,483 |
| Animals A-Z #1 | 0 | - | 4.41 | 93,547 |
| Africa A-Z | 0 | - | 4.57 | 46,583 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.69 | 57,652 |
| Ethnic Groups A-Z | 0 | - | 4.51 | 42,258 |
| Space Exploration Trivia | 0 | - | 4.38 | 35,343 |
| Military History A-Z | 0 | - | 4.20 | 21,147 |
| Famous Generals - Non U.S. | 0 | - | 4.59 | 15,132 |
| Disney A-Z | 0 | - | 4.37 | 87,032 |
| Literature by Letter - A | 0 | - | 4.23 | 32,025 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,226 |
| Companies A-Z | 0 | - | 4.30 | 42,688 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,618 |
| Geography by Letter - G | 0 | - | 4.33 | 126,319 |
| Geography by Letter - F | 0 | - | 4.27 | 137,857 |
| Geography by Letter - J | 0 | - | 4.34 | 122,936 |
| Geography by Letter - O | 0 | - | 4.37 | 129,762 |
| Geography by Letter - V | 0 | - | 4.39 | 121,761 |
| Geography by Letter - W | 0 | - | 4.39 | 114,867 |
| Geography by Letter - Y | 0 | - | 4.39 | 111,522 |
| Geography by Letter - Z | 0 | - | 4.11 | 81,668 |
| Geography by Letter - Q | 0 | - | 4.38 | 69,494 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.15 | 35,245 |
| Geography Containing the Letter Z | 0 | - | 4.49 | 27,846 |
| Video Games A-Z | 0 | - | 4.08 | 38,957 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,237 |
| Movies that Start with A | 0 | - | 4.13 | 61,848 |
| Movies that Start with C | 0 | - | 4.30 | 61,822 |
| Movies that Start with B | 0 | - | 4.36 | 85,189 |
| Movies that Start with D | 0 | - | 4.34 | 68,421 |
| Movies that Start with E | 0 | - | 4.13 | 68,352 |
| Movies that Start with J | 0 | - | 4.18 | 76,148 |
| Movies that Start with L | 0 | - | 4.16 | 60,405 |
| Movies that Start with M | 0 | - | 4.28 | 48,213 |
| Movies that Start with N | 0 | - | 4.02 | 41,243 |
| Movies that Start with P | 0 | - | 4.25 | 54,146 |
| Movies that Start with R | 0 | - | 4.17 | 46,627 |
| Movies that Start with W | 0 | - | 4.07 | 44,255 |
| Movies that Start with T | 0 | - | 4.34 | 49,282 |
| Movies that Start with S | 0 | - | 4.35 | 56,456 |
| Movies that Start with F | 0 | - | 4.13 | 68,830 |
| Music by Letter - F | 0 | - | 4.48 | 26,986 |
| Music by Letter - A | 0 | - | 4.61 | 31,365 |
| Brand Logos That Start With B | 0 | - | 4.38 | 59,902 |
| Brand Logos That Start With D | 0 | - | 4.37 | 61,455 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,597 |
| Brand Logos That Start With L | 0 | - | 4.39 | 61,047 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,503 |
| Influential Women in History | 0 | - | 4.42 | 35,538 |
| Metals of Antiquity | 0 | - | 4.95 | 93,374 |
| Cradles of Civilization | 0 | - | 4.46 | 39,589 |
| Materials From History #1 | 0 | - | 4.56 | 51,501 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,643 |
| History: What Came First? #1 | 0 | - | 4.87 | 105,161 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 706,957 |
| WWI... or WWII? | 0 | - | 4.85 | 142,018 |
| Oldest Things | 0 | - | 3.92 | 65,651 |
| Famous Homes - Who Lived There? | 0 | - | 4.09 | 26,817 |
| Biggest Nations and Empires Ever | 0 | - | 4.52 | 145,808 |
| Famous Explorers | 0 | - | 4.58 | 36,135 |
| Famous Empires by Description | 0 | - | 4.73 | 118,381 |
| Answers by Time Period | 0 | - | 4.63 | 55,541 |
| Famous Firsts #3 - The United States | 0 | - | 4.19 | 14,641 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 70,237 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 156,990 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 67,104 |
| Middle East A-Z | 0 | - | 4.47 | 45,993 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,333 |
| Google What's the Difference? - History | 0 | - | 4.20 | 46,210 |
| Notable People of WWII | 0 | - | 4.53 | 85,877 |
| WWII Trivia #2 | 0 | - | 4.52 | 103,910 |
| World War I Quiz | 0 | - | 4.78 | 101,192 |
| WWI A-Z | 0 | - | 4.50 | 38,299 |
| Most Important People in History | 0 | - | 3.97 | 50,666 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 91,091 |
| Star Wars A-Z | 0 | - | 4.46 | 88,128 |
| Monarchies of the World | 0 | - | 4.94 | 168,410 |
