| History by Letter - B | 0 | - | 4.45 | 172,786 |
| History by Letter - C | 0 | - | 4.70 | 172,069 |
| History by Letter - E | 0 | - | 4.51 | 141,074 |
| History by Letter - G | 0 | - | 4.46 | 122,525 |
| History by Letter - H | 0 | - | 4.45 | 137,160 |
| History by Letter - J | 0 | - | 4.51 | 154,534 |
| History by Letter - N | 0 | - | 4.45 | 104,397 |
| History by Letter - S | 0 | - | 4.47 | 94,695 |
| History by Letter - W | 0 | - | 4.45 | 109,892 |
| History by Letter - M | 0 | - | 4.54 | 120,204 |
| History by Letter - K | 0 | - | 4.50 | 101,690 |
| History by Letter - L | 0 | - | 4.50 | 112,459 |
| History by Letter - I | 0 | - | 4.46 | 104,730 |
| History by Letter - D | 0 | - | 4.40 | 138,197 |
| History by Letter - F | 0 | - | 4.18 | 114,785 |
| History by Letter - P | 0 | - | 4.36 | 108,157 |
| History by Letter - Q | 0 | - | 4.34 | 80,558 |
| History by Letter - R | 0 | - | 4.26 | 122,503 |
| History by Letter - T | 0 | - | 4.39 | 105,556 |
| History by Letter - U | 0 | - | 4.19 | 101,070 |
| History by Letter - V | 0 | - | 4.27 | 80,999 |
| History by Letter - Y | 0 | - | 4.27 | 87,512 |
| History by Letter - Z | 0 | - | 4.20 | 77,261 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,291 |
| History Containing the Letter X | 0 | - | 4.47 | 27,096 |
| History Containing the Letter Z | 0 | - | 4.53 | 23,488 |
| Empires A-Z | 0 | - | 4.52 | 45,286 |
| Same Start and End Letter - History #1 | 0 | - | 4.18 | 24,766 |
| Same Start and End Letter - History #2 | 0 | - | 4.13 | 25,722 |
| History Ending in Z | 0 | - | 4.35 | 13,557 |
| Countries that Start with a Vowel | 0 | - | 4.99 | 154,169 |
| Geography by Letter - T | 0 | - | 4.84 | 154,449 |
| People in History A-Z #1 | 0 | - | 4.63 | 99,205 |
| People in History A-Z #2 | 0 | - | 4.47 | 55,229 |
| People in History A-Z #3 | 0 | - | 4.44 | 46,267 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.87 | 82,579 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 108,392 |
| Southernmost Countries A-Z | 0 | - | 4.95 | 153,806 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 196,103 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 170,574 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 192,830 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 301,368 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 180,790 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 73,151 |
| 20th Century A-Z | 0 | - | 4.50 | 53,842 |
| 19th Century A-Z | 0 | - | 4.77 | 47,375 |
| 18th Century A-Z | 0 | - | 4.54 | 43,243 |
| "Second Best" History Edition | 0 | - | 4.94 | 63,562 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 74,232 |
| Countries That Were Invaded | 0 | - | 4.55 | 97,586 |
| People in History A-Z #5 | 0 | - | 4.09 | 32,011 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 237,762 |
| Name an Official Language A-Z | 0 | - | 4.91 | 176,351 |
| People Depicted in Paintings | 0 | - | 4.55 | 44,726 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,516 |
| Territory Changes in World War I | 0 | - | 4.87 | 46,930 |
| 16th Century A-Z | 0 | - | 4.58 | 24,949 |
| 15th Century A-Z | 0 | - | 4.49 | 23,968 |
| 14th Century A-Z | 0 | - | 4.41 | 24,432 |
| 17th Century A-Z | 0 | - | 4.78 | 34,689 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,692 |
| NATO Military Alphabet | 0 | - | 4.98 | 561,754 |
| Religion A-Z #2 | 0 | - | 4.41 | 37,050 |
| Geography by Letter - A | 0 | - | 4.74 | 212,156 |
| Geography by Letter - B | 0 | - | 4.56 | 185,161 |
| Geography by Letter - H | 0 | - | 4.69 | 150,748 |
| Geography by Letter - C | 0 | - | 4.47 | 159,162 |
| Geography by Letter - D | 0 | - | 4.50 | 151,185 |
| Geography by Letter - E | 0 | - | 4.42 | 148,034 |
| Geography by Letter - I | 0 | - | 4.42 | 122,341 |
| Geography by Letter - K | 0 | - | 4.53 | 118,698 |
| Geography by Letter - L | 0 | - | 4.43 | 148,907 |
| Geography by Letter - M | 0 | - | 4.49 | 118,978 |
| Geography by Letter - N | 0 | - | 4.51 | 127,531 |
| Geography by Letter - P | 0 | - | 4.47 | 176,424 |
| Geography by Letter - R | 0 | - | 4.43 | 132,115 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 140,963 |
| Geography by Letter - U | 0 | - | 4.53 | 143,496 |
| Asian Geography By Letter - K | 0 | - | 4.75 | 58,240 |
| Geography Containing the Letter X | 0 | - | 4.42 | 34,710 |
| Geography Containing the Letter Q | 0 | - | 4.56 | 43,047 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,423 |
| Geography A-Z #2 | 0 | - | 4.46 | 53,003 |
| Geography A-Z #5 | 0 | - | 4.44 | 37,426 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,682 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,452 |
| Movies that Start with G | 0 | - | 4.49 | 68,637 |
| Movies that Start with I | 0 | - | 4.41 | 65,247 |
| Former Countries by Territory Map | 0 | - | 4.96 | 103,158 |
| Empires by Maps | 0 | - | 4.98 | 121,016 |
| Ultimate 20th Century History Quiz | 0 | - | 4.87 | 53,897 |
| Famous Battles Quiz | 0 | - | 4.21 | 49,044 |
| Name the War | 0 | - | 4.37 | 202,414 |
| Famous U.S. Generals | 0 | - | 4.27 | 38,580 |
| Famous Firsts #1 | 0 | - | 4.40 | 69,254 |
| Famous Families #1 | 0 | - | 4.20 | 83,664 |
| Names for Warriors | 0 | - | 4.40 | 36,988 |
| Famous Firsts #2 | 0 | - | 4.01 | 81,241 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,481 |
| People in History A-Z #4 | 0 | - | 4.11 | 23,082 |
| Countries by Military Spending | 0 | - | 4.93 | 178,444 |
| Classic Novels by Plot #2 | 0 | - | 4.86 | 38,280 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 121,204 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,505 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,571 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,843 |
| WWII A-Z #1 | 0 | - | 4.73 | 103,141 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,761 |
| People in History by Wikipedia Descriptions #1 | 0 | - | 4.42 | 44,412 |
| People in History by Wikipedia Descriptions #2 | 0 | - | 4.42 | 39,509 |
| People in History by Wikipedia Descriptions #3 | 0 | - | 4.50 | 36,723 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,320,245 |
| Animals that Start with L | 0 | - | 4.47 | 102,268 |
| Animals that Start with P | 0 | - | 4.45 | 86,322 |
| Animals that Start with S | 0 | - | 4.49 | 87,524 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 90,740 |
| Geography by Letter on the World Map - C | 0 | - | 4.77 | 118,122 |
| World Cities A-Z by Clue #1 | 0 | - | 4.51 | 68,456 |
| Islands A-Z | 0 | - | 4.46 | 125,883 |
| World Cities A-Z by Clue #2 | 0 | - | 4.41 | 59,315 |
| Human Body A-Z | 0 | - | 4.51 | 129,397 |
| Asian Cities A-Z by Clue | 0 | - | 4.51 | 42,474 |
| Animals A-Z #1 | 0 | - | 4.40 | 93,766 |
| Africa A-Z | 0 | - | 4.57 | 46,687 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.70 | 57,986 |
| Ethnic Groups A-Z | 0 | - | 4.51 | 42,376 |
| Space Exploration Trivia | 0 | - | 4.38 | 35,415 |
| Military History A-Z | 0 | - | 4.20 | 21,196 |
| Famous Generals - Non U.S. | 0 | - | 4.59 | 15,176 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,277 |
| Brand Logos That Start With D | 0 | - | 4.35 | 61,824 |
| Brand Logos That Start With C | 0 | - | 4.20 | 49,872 |
| Brand Logos That Start With L | 0 | - | 4.39 | 61,461 |
| Brand Logos That Start With M | 0 | - | 4.40 | 63,134 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,920 |
| Disney A-Z | 0 | - | 4.37 | 87,290 |
| Literature by Letter - A | 0 | - | 4.24 | 32,233 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,341 |
| Companies A-Z | 0 | - | 4.30 | 42,724 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,679 |
| Geography by Letter - G | 0 | - | 4.33 | 126,648 |
| Geography by Letter - F | 0 | - | 4.27 | 138,207 |
| Geography by Letter - J | 0 | - | 4.34 | 123,256 |
| Geography by Letter - O | 0 | - | 4.37 | 130,084 |
| Geography by Letter - V | 0 | - | 4.39 | 122,136 |
| Geography by Letter - W | 0 | - | 4.39 | 115,140 |
| Geography by Letter - Y | 0 | - | 4.39 | 111,839 |
| Geography by Letter - Z | 0 | - | 4.11 | 81,892 |
| Geography by Letter - Q | 0 | - | 4.38 | 69,753 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.15 | 35,313 |
| Geography Containing the Letter Z | 0 | - | 4.49 | 27,909 |
| Video Games A-Z | 0 | - | 4.05 | 39,107 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,322 |
| Movies that Start with A | 0 | - | 4.13 | 61,951 |
| Movies that Start with C | 0 | - | 4.30 | 61,942 |
| Movies that Start with B | 0 | - | 4.36 | 85,329 |
| Movies that Start with D | 0 | - | 4.34 | 68,513 |
| Movies that Start with E | 0 | - | 4.13 | 68,443 |
| Movies that Start with J | 0 | - | 4.18 | 76,260 |
| Movies that Start with L | 0 | - | 4.16 | 60,489 |
| Movies that Start with M | 0 | - | 4.28 | 48,295 |
| Movies that Start with N | 0 | - | 4.02 | 41,306 |
| Movies that Start with P | 0 | - | 4.25 | 54,200 |
| Movies that Start with R | 0 | - | 4.17 | 46,706 |
| Movies that Start with W | 0 | - | 4.07 | 44,299 |
| Movies that Start with T | 0 | - | 4.34 | 49,369 |
| Movies that Start with S | 0 | - | 4.35 | 56,543 |
| Movies that Start with F | 0 | - | 4.13 | 68,934 |
| Music by Letter - F | 0 | - | 4.48 | 27,055 |
| Music by Letter - A | 0 | - | 4.61 | 31,445 |
| Influential Women in History | 0 | - | 4.42 | 36,115 |
| Metals of Antiquity | 0 | - | 4.95 | 93,634 |
| Cradles of Civilization | 0 | - | 4.46 | 40,079 |
| Materials From History #1 | 0 | - | 4.56 | 51,861 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,890 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 708,684 |
| WWI... or WWII? | 0 | - | 4.85 | 142,677 |
| Oldest Things | 0 | - | 3.92 | 65,679 |
| Famous Homes - Who Lived There? | 0 | - | 4.09 | 26,835 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 146,230 |
| Famous Explorers | 0 | - | 4.58 | 36,263 |
| Famous Empires by Description | 0 | - | 4.73 | 118,694 |
| Answers by Time Period | 0 | - | 4.64 | 55,717 |
| Famous Firsts #3 - The United States | 0 | - | 4.19 | 14,806 |
| Years in History #1 - Multiple Choice | 0 | - | 4.82 | 70,422 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 157,706 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 67,258 |
| Middle East A-Z | 0 | - | 4.47 | 46,157 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,431 |
| Google What's the Difference? - History | 0 | - | 4.20 | 46,299 |
| Notable People of WWII | 0 | - | 4.53 | 86,044 |
| WWII Trivia #2 | 0 | - | 4.52 | 104,320 |
| World War I Quiz | 0 | - | 4.78 | 101,464 |
| WWI A-Z | 0 | - | 4.51 | 38,445 |
| Most Important People in History | 0 | - | 3.98 | 50,817 |
| People in History by Wikipedia Descriptions #4 | 0 | - | 4.41 | 30,756 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 92,167 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 181,972 |
| Star Wars A-Z | 0 | - | 4.46 | 88,466 |
| Monarchies of the World | 0 | - | 4.94 | 169,335 |
