| History by Letter - B | 0 | - | 4.45 | 172,829 |
| History by Letter - C | 0 | - | 4.70 | 172,144 |
| History by Letter - E | 0 | - | 4.51 | 141,125 |
| History by Letter - G | 0 | - | 4.46 | 122,575 |
| History by Letter - H | 0 | - | 4.45 | 137,216 |
| History by Letter - J | 0 | - | 4.51 | 154,582 |
| History by Letter - N | 0 | - | 4.45 | 104,426 |
| History by Letter - S | 0 | - | 4.47 | 94,729 |
| History by Letter - W | 0 | - | 4.45 | 109,943 |
| History by Letter - M | 0 | - | 4.54 | 120,246 |
| History by Letter - K | 0 | - | 4.50 | 101,723 |
| History by Letter - L | 0 | - | 4.50 | 112,496 |
| History by Letter - I | 0 | - | 4.46 | 104,759 |
| History by Letter - D | 0 | - | 4.40 | 138,250 |
| History by Letter - F | 0 | - | 4.18 | 114,822 |
| History by Letter - O | 0 | - | 4.32 | 99,824 |
| History by Letter - P | 0 | - | 4.36 | 108,189 |
| History by Letter - Q | 0 | - | 4.34 | 80,583 |
| History by Letter - R | 0 | - | 4.26 | 122,543 |
| History by Letter - T | 0 | - | 4.39 | 105,587 |
| History by Letter - U | 0 | - | 4.19 | 101,100 |
| History by Letter - Y | 0 | - | 4.27 | 87,544 |
| History by Letter - Z | 0 | - | 4.20 | 77,283 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,298 |
| History Containing the Letter X | 0 | - | 4.47 | 27,105 |
| History Containing the Letter Z | 0 | - | 4.53 | 23,496 |
| Empires A-Z | 0 | - | 4.52 | 45,316 |
| Same Start and End Letter - History #1 | 0 | - | 4.18 | 24,772 |
| Same Start and End Letter - History #2 | 0 | - | 4.13 | 25,734 |
| History Ending in Z | 0 | - | 4.35 | 13,565 |
| Countries that Start with a Vowel | 0 | - | 4.99 | 154,456 |
| Geography by Letter - T | 0 | - | 4.84 | 154,604 |
| People in History A-Z #1 | 0 | - | 4.63 | 99,251 |
| People in History A-Z #2 | 0 | - | 4.47 | 55,253 |
| People in History A-Z #3 | 0 | - | 4.44 | 46,285 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.87 | 82,656 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 108,477 |
| Southernmost Countries A-Z | 0 | - | 4.95 | 153,859 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 196,209 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 170,619 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 192,957 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 301,446 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 180,862 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 73,205 |
| 20th Century A-Z | 0 | - | 4.50 | 53,868 |
| 19th Century A-Z | 0 | - | 4.77 | 47,389 |
| 18th Century A-Z | 0 | - | 4.54 | 43,251 |
| "Second Best" History Edition | 0 | - | 4.94 | 63,658 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 74,265 |
| Countries That Were Invaded | 0 | - | 4.55 | 97,637 |
| People in History A-Z #5 | 0 | - | 4.09 | 32,023 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 237,929 |
| Name an Official Language A-Z | 0 | - | 4.91 | 176,449 |
| People Depicted in Paintings | 0 | - | 4.55 | 44,746 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,540 |
| Territory Changes in World War I | 0 | - | 4.87 | 46,968 |
| 16th Century A-Z | 0 | - | 4.58 | 24,958 |
| 15th Century A-Z | 0 | - | 4.49 | 23,975 |
| 14th Century A-Z | 0 | - | 4.41 | 24,446 |
| 17th Century A-Z | 0 | - | 4.78 | 34,700 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,775 |
| NATO Military Alphabet | 0 | - | 4.98 | 562,220 |
| Religion A-Z #2 | 0 | - | 4.41 | 37,062 |
| Geography by Letter - A | 0 | - | 4.74 | 212,292 |
| Geography by Letter - B | 0 | - | 4.56 | 185,306 |
| Geography by Letter - H | 0 | - | 4.69 | 150,884 |
| Geography by Letter - C | 0 | - | 4.48 | 159,302 |
| Geography by Letter - D | 0 | - | 4.50 | 151,311 |
| Geography by Letter - E | 0 | - | 4.42 | 148,150 |
| Geography by Letter - I | 0 | - | 4.42 | 122,435 |
| Geography by Letter - K | 0 | - | 4.54 | 118,790 |
| Geography by Letter - L | 0 | - | 4.44 | 149,226 |
| Geography by Letter - M | 0 | - | 4.49 | 119,083 |
| Geography by Letter - N | 0 | - | 4.51 | 127,635 |
| Geography by Letter - P | 0 | - | 4.47 | 176,536 |
| Geography by Letter - R | 0 | - | 4.43 | 132,214 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 141,064 |
| Geography by Letter - U | 0 | - | 4.53 | 143,578 |
| Asian Geography By Letter - K | 0 | - | 4.75 | 58,260 |
| Geography Containing the Letter X | 0 | - | 4.42 | 34,723 |
| Geography Containing the Letter Q | 0 | - | 4.56 | 43,078 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,449 |
| Geography A-Z #2 | 0 | - | 4.46 | 53,030 |
| Geography A-Z #5 | 0 | - | 4.44 | 37,439 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,702 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,481 |
| Movies that Start with G | 0 | - | 4.49 | 68,708 |
| Movies that Start with I | 0 | - | 4.41 | 65,305 |
| Former Countries by Territory Map | 0 | - | 4.96 | 103,279 |
| Empires by Maps | 0 | - | 4.98 | 121,176 |
| Ultimate 20th Century History Quiz | 0 | - | 4.87 | 53,941 |
| Famous Battles Quiz | 0 | - | 4.21 | 49,059 |
| Name the War | 0 | - | 4.37 | 202,486 |
| Famous U.S. Generals | 0 | - | 4.27 | 38,593 |
| Famous Firsts #1 | 0 | - | 4.40 | 69,354 |
| Famous Families #1 | 0 | - | 4.20 | 83,671 |
| Names for Warriors | 0 | - | 4.40 | 37,002 |
| Famous Firsts #2 | 0 | - | 4.01 | 81,344 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,497 |
| People in History A-Z #4 | 0 | - | 4.11 | 23,097 |
| Countries by Military Spending | 0 | - | 4.93 | 178,579 |
| Classic Novels by Plot #2 | 0 | - | 4.86 | 38,391 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 121,313 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,570 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,630 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,873 |
| WWII A-Z #1 | 0 | - | 4.73 | 103,176 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,783 |
| People in History by Wikipedia Descriptions #1 | 0 | - | 4.42 | 44,424 |
| People in History by Wikipedia Descriptions #2 | 0 | - | 4.42 | 39,517 |
| People in History by Wikipedia Descriptions #3 | 0 | - | 4.50 | 36,727 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,321,278 |
| Animals that Start with L | 0 | - | 4.47 | 102,300 |
| Animals that Start with P | 0 | - | 4.45 | 86,345 |
| Animals that Start with S | 0 | - | 4.49 | 87,550 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 90,797 |
| Geography by Letter on the World Map - C | 0 | - | 4.77 | 118,197 |
| World Cities A-Z by Clue #1 | 0 | - | 4.51 | 68,509 |
| Islands A-Z | 0 | - | 4.46 | 126,199 |
| World Cities A-Z by Clue #2 | 0 | - | 4.41 | 59,363 |
| Human Body A-Z | 0 | - | 4.51 | 129,452 |
| Asian Cities A-Z by Clue | 0 | - | 4.51 | 42,674 |
| Africa A-Z | 0 | - | 4.57 | 46,713 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.70 | 58,046 |
| Ethnic Groups A-Z | 0 | - | 4.51 | 42,408 |
| Space Exploration Trivia | 0 | - | 4.38 | 35,424 |
| Military History A-Z | 0 | - | 4.20 | 21,201 |
| Famous Generals - Non U.S. | 0 | - | 4.59 | 15,189 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,341 |
| Brand Logos That Start With D | 0 | - | 4.36 | 61,883 |
| Brand Logos That Start With C | 0 | - | 4.20 | 49,905 |
| Brand Logos That Start With L | 0 | - | 4.39 | 61,556 |
| Brand Logos That Start With M | 0 | - | 4.40 | 63,190 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,983 |
| Disney A-Z | 0 | - | 4.37 | 87,326 |
| Literature by Letter - A | 0 | - | 4.24 | 32,261 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,360 |
| Companies A-Z | 0 | - | 4.30 | 42,737 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,691 |
| Geography by Letter - G | 0 | - | 4.33 | 126,757 |
| Geography by Letter - F | 0 | - | 4.28 | 138,469 |
| Geography by Letter - J | 0 | - | 4.35 | 123,343 |
| Geography by Letter - O | 0 | - | 4.37 | 130,182 |
| Geography by Letter - V | 0 | - | 4.39 | 122,211 |
| Geography by Letter - W | 0 | - | 4.39 | 115,206 |
| Geography by Letter - Y | 0 | - | 4.39 | 111,902 |
| Geography by Letter - Z | 0 | - | 4.11 | 81,947 |
| Geography by Letter - Q | 0 | - | 4.38 | 69,820 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.15 | 35,328 |
| Geography Containing the Letter Z | 0 | - | 4.49 | 27,921 |
| Video Games A-Z | 0 | - | 4.05 | 39,135 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,337 |
| Movies that Start with A | 0 | - | 4.13 | 62,040 |
| Movies that Start with C | 0 | - | 4.30 | 62,030 |
| Movies that Start with B | 0 | - | 4.36 | 85,593 |
| Movies that Start with D | 0 | - | 4.34 | 68,584 |
| Movies that Start with E | 0 | - | 4.13 | 68,518 |
| Movies that Start with J | 0 | - | 4.18 | 76,314 |
| Movies that Start with L | 0 | - | 4.16 | 60,530 |
| Movies that Start with M | 0 | - | 4.28 | 48,337 |
| Movies that Start with N | 0 | - | 4.02 | 41,335 |
| Movies that Start with P | 0 | - | 4.25 | 54,235 |
| Movies that Start with R | 0 | - | 4.17 | 46,743 |
| Movies that Start with W | 0 | - | 4.07 | 44,327 |
| Movies that Start with T | 0 | - | 4.34 | 49,400 |
| Movies that Start with S | 0 | - | 4.35 | 56,575 |
| Movies that Start with F | 0 | - | 4.13 | 69,003 |
| Music by Letter - F | 0 | - | 4.48 | 27,070 |
| Music by Letter - A | 0 | - | 4.61 | 31,464 |
| Influential Women in History | 0 | - | 4.42 | 36,169 |
| Metals of Antiquity | 0 | - | 4.95 | 93,680 |
| Cradles of Civilization | 0 | - | 4.46 | 40,120 |
| Materials From History #1 | 0 | - | 4.56 | 51,899 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,924 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 708,989 |
| WWI... or WWII? | 0 | - | 4.85 | 142,792 |
| Oldest Things | 0 | - | 3.92 | 65,684 |
| Famous Homes - Who Lived There? | 0 | - | 4.09 | 26,840 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 146,297 |
| Famous Explorers | 0 | - | 4.58 | 36,273 |
| Famous Empires by Description | 0 | - | 4.73 | 118,754 |
| Answers by Time Period | 0 | - | 4.64 | 55,748 |
| Famous Firsts #3 - The United States | 0 | - | 4.19 | 14,890 |
| Years in History #1 - Multiple Choice | 0 | - | 4.82 | 70,461 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 157,884 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 67,296 |
| Middle East A-Z | 0 | - | 4.47 | 46,182 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.46 | 44,455 |
| Google What's the Difference? - History | 0 | - | 4.20 | 46,312 |
| Notable People of WWII | 0 | - | 4.53 | 86,061 |
| WWII Trivia #2 | 0 | - | 4.52 | 104,361 |
| World War I Quiz | 0 | - | 4.78 | 101,521 |
| WWI A-Z | 0 | - | 4.51 | 38,473 |
| Most Important People in History | 0 | - | 3.98 | 50,852 |
| People in History by Wikipedia Descriptions #4 | 0 | - | 4.41 | 30,762 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 92,379 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 182,324 |
| Star Wars A-Z | 0 | - | 4.46 | 88,525 |
| Monarchies of the World | 0 | - | 4.94 | 169,498 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.92 | 113,464 |
