| History by Letter - C | 0 | - | 4.70 | 172,330 |
| History by Letter - E | 0 | - | 4.51 | 141,253 |
| History by Letter - G | 0 | - | 4.46 | 122,687 |
| History by Letter - H | 0 | - | 4.45 | 137,339 |
| History by Letter - J | 0 | - | 4.51 | 154,725 |
| History by Letter - N | 0 | - | 4.45 | 104,552 |
| History by Letter - S | 0 | - | 4.47 | 94,808 |
| History by Letter - W | 0 | - | 4.45 | 110,033 |
| History by Letter - M | 0 | - | 4.54 | 120,482 |
| History by Letter - K | 0 | - | 4.50 | 101,816 |
| History by Letter - L | 0 | - | 4.50 | 112,603 |
| History by Letter - I | 0 | - | 4.46 | 104,841 |
| History by Letter - D | 0 | - | 4.40 | 138,367 |
| History by Letter - F | 0 | - | 4.18 | 114,911 |
| History by Letter - O | 0 | - | 4.32 | 99,915 |
| History by Letter - P | 0 | - | 4.36 | 108,282 |
| History by Letter - Q | 0 | - | 4.34 | 80,661 |
| History by Letter - R | 0 | - | 4.26 | 122,638 |
| History by Letter - T | 0 | - | 4.39 | 105,654 |
| History by Letter - U | 0 | - | 4.19 | 101,172 |
| History by Letter - V | 0 | - | 4.27 | 81,095 |
| History by Letter - Y | 0 | - | 4.27 | 87,608 |
| History by Letter - Z | 0 | - | 4.20 | 77,348 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,315 |
| History Containing the Letter X | 0 | - | 4.47 | 27,121 |
| History Containing the Letter Z | 0 | - | 4.53 | 23,505 |
| Empires A-Z | 0 | - | 4.52 | 45,367 |
| Same Start and End Letter - History #1 | 0 | - | 4.18 | 24,785 |
| Same Start and End Letter - History #2 | 0 | - | 4.13 | 25,757 |
| History Ending in Z | 0 | - | 4.35 | 13,576 |
| Countries that Start with a Vowel | 0 | - | 4.99 | 154,848 |
| Geography by Letter - T | 0 | - | 4.84 | 154,813 |
| People in History A-Z #1 | 0 | - | 4.63 | 99,563 |
| People in History A-Z #2 | 0 | - | 4.47 | 55,379 |
| People in History A-Z #3 | 0 | - | 4.44 | 46,383 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.87 | 82,791 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 108,615 |
| Southernmost Countries A-Z | 0 | - | 4.95 | 153,927 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 196,382 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 170,713 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 193,580 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 301,623 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 181,008 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 73,292 |
| 20th Century A-Z | 0 | - | 4.50 | 53,909 |
| 19th Century A-Z | 0 | - | 4.77 | 47,414 |
| 18th Century A-Z | 0 | - | 4.54 | 43,273 |
| "Second Best" History Edition | 0 | - | 4.94 | 63,790 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 74,332 |
| Countries That Were Invaded | 0 | - | 4.55 | 97,713 |
| People in History A-Z #5 | 0 | - | 4.09 | 32,080 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 238,182 |
| Name an Official Language A-Z | 0 | - | 4.91 | 176,628 |
| People Depicted in Paintings | 0 | - | 4.55 | 44,769 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,587 |
| Territory Changes in World War I | 0 | - | 4.87 | 47,033 |
| 16th Century A-Z | 0 | - | 4.58 | 24,982 |
| 15th Century A-Z | 0 | - | 4.49 | 23,987 |
| 14th Century A-Z | 0 | - | 4.41 | 24,463 |
| 17th Century A-Z | 0 | - | 4.78 | 34,720 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,915 |
| NATO Military Alphabet | 0 | - | 4.98 | 563,003 |
| Religion A-Z #2 | 0 | - | 4.41 | 37,089 |
| Geography by Letter - A | 0 | - | 4.74 | 212,499 |
| Geography by Letter - B | 0 | - | 4.56 | 185,489 |
| Geography by Letter - H | 0 | - | 4.69 | 151,027 |
| Geography by Letter - C | 0 | - | 4.48 | 159,462 |
| Geography by Letter - D | 0 | - | 4.50 | 151,454 |
| Geography by Letter - E | 0 | - | 4.42 | 148,280 |
| Geography by Letter - I | 0 | - | 4.42 | 122,557 |
| Geography by Letter - K | 0 | - | 4.54 | 118,909 |
| Geography by Letter - L | 0 | - | 4.44 | 149,381 |
| Geography by Letter - M | 0 | - | 4.49 | 119,395 |
| Geography by Letter - N | 0 | - | 4.51 | 127,757 |
| Geography by Letter - P | 0 | - | 4.47 | 176,683 |
| Geography by Letter - R | 0 | - | 4.43 | 132,387 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 141,217 |
| Geography by Letter - U | 0 | - | 4.53 | 143,712 |
| Asian Geography By Letter - K | 0 | - | 4.75 | 58,292 |
| Geography Containing the Letter X | 0 | - | 4.42 | 34,740 |
| Geography Containing the Letter Q | 0 | - | 4.56 | 43,113 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,502 |
| Geography A-Z #2 | 0 | - | 4.46 | 53,072 |
| Geography A-Z #5 | 0 | - | 4.44 | 37,469 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,741 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,521 |
| Movies that Start with G | 0 | - | 4.49 | 68,748 |
| Movies that Start with I | 0 | - | 4.41 | 65,355 |
| Former Countries by Territory Map | 0 | - | 4.96 | 103,435 |
| Empires by Maps | 0 | - | 4.98 | 121,425 |
| Ultimate 20th Century History Quiz | 0 | - | 4.87 | 53,997 |
| Famous Battles Quiz | 0 | - | 4.21 | 49,084 |
| Name the War | 0 | - | 4.37 | 202,604 |
| Famous U.S. Generals | 0 | - | 4.27 | 38,608 |
| Famous Firsts #1 | 0 | - | 4.40 | 69,399 |
| Famous Families #1 | 0 | - | 4.20 | 83,700 |
| Names for Warriors | 0 | - | 4.40 | 37,022 |
| Famous Firsts #2 | 0 | - | 4.01 | 81,385 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,526 |
| People in History A-Z #4 | 0 | - | 4.11 | 23,153 |
| Countries by Military Spending | 0 | - | 4.93 | 178,734 |
| Classic Novels by Plot #2 | 0 | - | 4.87 | 38,467 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 121,459 |
| Name a Minecraft Mob A-Z | 0 | - | 4.88 | 43,284 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,653 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,708 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,905 |
| WWII A-Z #1 | 0 | - | 4.73 | 103,239 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,811 |
| People in History by Wikipedia Descriptions #1 | 0 | - | 4.42 | 44,440 |
| People in History by Wikipedia Descriptions #2 | 0 | - | 4.42 | 39,535 |
| People in History by Wikipedia Descriptions #3 | 0 | - | 4.50 | 36,740 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,322,821 |
| Animals that Start with L | 0 | - | 4.47 | 102,346 |
| Animals that Start with P | 0 | - | 4.45 | 86,394 |
| Animals that Start with S | 0 | - | 4.49 | 87,591 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 90,914 |
| Geography by Letter on the World Map - C | 0 | - | 4.77 | 118,323 |
| World Cities A-Z by Clue #1 | 0 | - | 4.51 | 68,585 |
| Islands A-Z | 0 | - | 4.45 | 126,712 |
| World Cities A-Z by Clue #2 | 0 | - | 4.41 | 59,426 |
| Human Body A-Z | 0 | - | 4.51 | 129,519 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 42,836 |
| Africa A-Z | 0 | - | 4.57 | 46,733 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.70 | 58,124 |
| Ethnic Groups A-Z | 0 | - | 4.51 | 42,444 |
| Space Exploration Trivia | 0 | - | 4.38 | 35,442 |
| Military History A-Z | 0 | - | 4.20 | 21,223 |
| Famous Generals - Non U.S. | 0 | - | 4.59 | 15,200 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,442 |
| Brand Logos That Start With D | 0 | - | 4.36 | 61,997 |
| Brand Logos That Start With C | 0 | - | 4.20 | 49,989 |
| Brand Logos That Start With L | 0 | - | 4.39 | 61,688 |
| Brand Logos That Start With M | 0 | - | 4.38 | 63,322 |
| Brand Logos That Start With S | 0 | - | 4.37 | 58,084 |
| Disney A-Z | 0 | - | 4.37 | 87,395 |
| Literature by Letter - A | 0 | - | 4.24 | 32,299 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,378 |
| Companies A-Z | 0 | - | 4.30 | 42,751 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,707 |
| Geography by Letter - G | 0 | - | 4.33 | 126,875 |
| Geography by Letter - F | 0 | - | 4.28 | 138,603 |
| Geography by Letter - J | 0 | - | 4.35 | 123,480 |
| Geography by Letter - O | 0 | - | 4.37 | 130,295 |
| Geography by Letter - V | 0 | - | 4.39 | 122,351 |
| Geography by Letter - W | 0 | - | 4.39 | 115,310 |
| Geography by Letter - Y | 0 | - | 4.39 | 112,005 |
| Geography by Letter - Z | 0 | - | 4.11 | 82,043 |
| Geography by Letter - Q | 0 | - | 4.38 | 69,929 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.15 | 35,349 |
| Geography Containing the Letter Z | 0 | - | 4.49 | 27,942 |
| Video Games A-Z | 0 | - | 4.05 | 39,169 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,357 |
| Movies that Start with A | 0 | - | 4.13 | 62,072 |
| Movies that Start with C | 0 | - | 4.30 | 62,062 |
| Movies that Start with B | 0 | - | 4.36 | 85,633 |
| Movies that Start with D | 0 | - | 4.34 | 68,606 |
| Movies that Start with E | 0 | - | 4.13 | 68,550 |
| Movies that Start with J | 0 | - | 4.18 | 76,366 |
| Movies that Start with L | 0 | - | 4.16 | 60,558 |
| Movies that Start with M | 0 | - | 4.28 | 48,359 |
| Movies that Start with N | 0 | - | 4.02 | 41,355 |
| Movies that Start with P | 0 | - | 4.25 | 54,253 |
| Movies that Start with R | 0 | - | 4.17 | 46,772 |
| Movies that Start with W | 0 | - | 4.07 | 44,347 |
| Movies that Start with T | 0 | - | 4.34 | 49,422 |
| Movies that Start with S | 0 | - | 4.35 | 56,599 |
| Movies that Start with F | 0 | - | 4.13 | 69,031 |
| Music by Letter - F | 0 | - | 4.47 | 27,097 |
| Music by Letter - A | 0 | - | 4.61 | 31,489 |
| Influential Women in History | 0 | - | 4.42 | 36,207 |
| Metals of Antiquity | 0 | - | 4.95 | 93,763 |
| Cradles of Civilization | 0 | - | 4.46 | 40,164 |
| Materials From History #1 | 0 | - | 4.56 | 51,944 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,995 |
| History: What Came First? #1 | 0 | - | 4.87 | 105,730 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 709,491 |
| WWI... or WWII? | 0 | - | 4.85 | 142,995 |
| Oldest Things | 0 | - | 3.92 | 65,697 |
| Famous Homes - Who Lived There? | 0 | - | 4.09 | 26,849 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 146,387 |
| Famous Explorers | 0 | - | 4.58 | 36,289 |
| Famous Empires by Description | 0 | - | 4.73 | 118,841 |
| Answers by Time Period | 0 | - | 4.64 | 55,789 |
| Famous Firsts #3 - The United States | 0 | - | 4.20 | 14,927 |
| Years in History #1 - Multiple Choice | 0 | - | 4.82 | 70,514 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 158,128 |
| Top Five Exporting Partners by Country | 0 | - | 4.86 | 67,345 |
| Middle East A-Z | 0 | - | 4.47 | 46,200 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.46 | 44,481 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 28,141 |
| Google What's the Difference? - History | 0 | - | 4.20 | 46,336 |
| Notable People of WWII | 0 | - | 4.53 | 86,102 |
| WWII Trivia #2 | 0 | - | 4.52 | 104,412 |
| World War I Quiz | 0 | - | 4.78 | 101,594 |
| WWI A-Z | 0 | - | 4.51 | 38,515 |
| Most Important People in History | 0 | - | 3.98 | 50,893 |
| People in History by Wikipedia Descriptions #4 | 0 | - | 4.41 | 30,774 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 92,669 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,874 |
