| History by Letter - B | 0 | - | 4.45 | 173,320 |
| History by Letter - C | 0 | - | 4.70 | 172,678 |
| History by Letter - E | 0 | - | 4.51 | 141,516 |
| History by Letter - G | 0 | - | 4.46 | 122,910 |
| History by Letter - H | 0 | - | 4.45 | 137,600 |
| History by Letter - J | 0 | - | 4.51 | 155,029 |
| History by Letter - N | 0 | - | 4.45 | 104,822 |
| History by Letter - S | 0 | - | 4.47 | 94,995 |
| History by Letter - W | 0 | - | 4.45 | 110,239 |
| History by Letter - M | 0 | - | 4.54 | 120,715 |
| History by Letter - K | 0 | - | 4.50 | 102,025 |
| History by Letter - L | 0 | - | 4.50 | 112,827 |
| History by Letter - I | 0 | - | 4.46 | 105,039 |
| History by Letter - D | 0 | - | 4.40 | 138,604 |
| History by Letter - F | 0 | - | 4.19 | 115,096 |
| History by Letter - O | 0 | - | 4.32 | 100,296 |
| History by Letter - P | 0 | - | 4.36 | 108,486 |
| History by Letter - Q | 0 | - | 4.34 | 80,810 |
| History by Letter - R | 0 | - | 4.26 | 122,834 |
| History by Letter - T | 0 | - | 4.39 | 105,823 |
| History by Letter - U | 0 | - | 4.19 | 101,336 |
| History by Letter - V | 0 | - | 4.27 | 81,234 |
| History by Letter - Y | 0 | - | 4.27 | 87,735 |
| History by Letter - Z | 0 | - | 4.20 | 77,465 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,349 |
| History Containing the Letter X | 0 | - | 4.47 | 27,152 |
| History Containing the Letter Z | 0 | - | 4.53 | 23,533 |
| Empires A-Z | 0 | - | 4.52 | 45,472 |
| Same Start and End Letter - History #1 | 0 | - | 4.18 | 24,806 |
| Same Start and End Letter - History #2 | 0 | - | 4.13 | 25,795 |
| History Ending in Z | 0 | - | 4.35 | 13,601 |
| Countries that Start with a Vowel | 0 | - | 4.99 | 155,460 |
| Geography by Letter - T | 0 | - | 4.84 | 155,256 |
| People in History A-Z #1 | 0 | - | 4.63 | 99,736 |
| People in History A-Z #2 | 0 | - | 4.47 | 55,491 |
| People in History A-Z #3 | 0 | - | 4.44 | 46,456 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.87 | 83,074 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 108,925 |
| Southernmost Countries A-Z | 0 | - | 4.95 | 154,149 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 196,738 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 170,961 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 194,025 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 302,043 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 181,303 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 73,531 |
| 20th Century A-Z | 0 | - | 4.50 | 54,002 |
| 19th Century A-Z | 0 | - | 4.77 | 47,482 |
| 18th Century A-Z | 0 | - | 4.54 | 43,336 |
| "Second Best" History Edition | 0 | - | 4.94 | 64,279 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 74,459 |
| Countries That Were Invaded | 0 | - | 4.55 | 97,890 |
| People in History A-Z #5 | 0 | - | 4.09 | 32,133 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 238,749 |
| Name an Official Language A-Z | 0 | - | 4.91 | 177,027 |
| People Depicted in Paintings | 0 | - | 4.55 | 44,830 |
| Normandy D-Day Beaches | 0 | - | 4.84 | 40,728 |
| Territory Changes in World War I | 0 | - | 4.88 | 47,254 |
| 16th Century A-Z | 0 | - | 4.59 | 25,027 |
| 15th Century A-Z | 0 | - | 4.50 | 24,021 |
| 14th Century A-Z | 0 | - | 4.41 | 24,510 |
| 17th Century A-Z | 0 | - | 4.78 | 34,766 |
| Brand Logos That Start with A | 0 | - | 4.52 | 71,230 |
| NATO Military Alphabet | 0 | - | 4.98 | 564,505 |
| Religion A-Z #2 | 0 | - | 4.41 | 37,133 |
| Geography by Letter - A | 0 | - | 4.74 | 212,887 |
| Geography by Letter - B | 0 | - | 4.56 | 185,885 |
| Geography by Letter - H | 0 | - | 4.69 | 151,490 |
| Geography by Letter - C | 0 | - | 4.48 | 159,780 |
| Geography by Letter - D | 0 | - | 4.50 | 151,759 |
| Geography by Letter - E | 0 | - | 4.42 | 148,588 |
| Geography by Letter - I | 0 | - | 4.42 | 122,790 |
| Geography by Letter - K | 0 | - | 4.54 | 119,155 |
| Geography by Letter - L | 0 | - | 4.44 | 149,629 |
| Geography by Letter - M | 0 | - | 4.50 | 119,627 |
| Geography by Letter - N | 0 | - | 4.51 | 127,990 |
| Geography by Letter - P | 0 | - | 4.47 | 176,940 |
| Geography by Letter - R | 0 | - | 4.43 | 132,701 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 141,516 |
| Geography by Letter - U | 0 | - | 4.52 | 144,025 |
| Asian Geography By Letter - K | 0 | - | 4.75 | 58,376 |
| Geography Containing the Letter X | 0 | - | 4.42 | 34,782 |
| Geography Containing the Letter Q | 0 | - | 4.56 | 43,181 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,569 |
| Geography A-Z #2 | 0 | - | 4.46 | 53,162 |
| Geography A-Z #5 | 0 | - | 4.44 | 37,513 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,832 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,624 |
| Movies that Start with G | 0 | - | 4.49 | 68,828 |
| Movies that Start with I | 0 | - | 4.41 | 65,430 |
| Former Countries by Territory Map | 0 | - | 4.96 | 104,017 |
| Empires by Maps | 0 | - | 4.98 | 122,235 |
| Ultimate 20th Century History Quiz | 0 | - | 4.87 | 54,180 |
| Famous Battles Quiz | 0 | - | 4.21 | 49,152 |
| Name the War | 0 | - | 4.37 | 202,874 |
| Famous U.S. Generals | 0 | - | 4.27 | 38,644 |
| Famous Firsts #1 | 0 | - | 4.40 | 69,450 |
| Famous Families #1 | 0 | - | 4.20 | 83,749 |
| Names for Warriors | 0 | - | 4.40 | 37,061 |
| Famous Firsts #2 | 0 | - | 4.01 | 81,435 |
| The 7 Wonders of the Ancient World | 0 | - | 4.86 | 82,637 |
| People in History A-Z #4 | 0 | - | 4.11 | 23,194 |
| Countries by Military Spending | 0 | - | 4.93 | 179,045 |
| Classic Novels by Plot #2 | 0 | - | 4.86 | 38,594 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 121,767 |
| Name a Minecraft Mob A-Z | 0 | - | 4.88 | 43,613 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,848 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,887 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,958 |
| WWII A-Z #1 | 0 | - | 4.73 | 103,408 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,912 |
| People in History by Wikipedia Descriptions #1 | 0 | - | 4.42 | 44,492 |
| People in History by Wikipedia Descriptions #2 | 0 | - | 4.42 | 39,579 |
| People in History by Wikipedia Descriptions #3 | 0 | - | 4.50 | 36,776 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,326,266 |
| Animals that Start with L | 0 | - | 4.47 | 102,461 |
| Animals that Start with P | 0 | - | 4.45 | 86,491 |
| Animals that Start with S | 0 | - | 4.49 | 87,685 |
| Geography by Letter on the World Map - B | 0 | - | 4.49 | 91,149 |
| Geography by Letter on the World Map - C | 0 | - | 4.77 | 118,609 |
| World Cities A-Z by Clue #1 | 0 | - | 4.51 | 77,796 |
| Islands A-Z | 0 | - | 4.46 | 127,723 |
| World Cities A-Z by Clue #2 | 0 | - | 4.41 | 60,362 |
| Human Body A-Z | 0 | - | 4.51 | 130,073 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 43,018 |
| Africa A-Z | 0 | - | 4.57 | 46,782 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.70 | 58,262 |
| Ethnic Groups A-Z | 0 | - | 4.51 | 42,528 |
| Space Exploration Trivia | 0 | - | 4.38 | 35,484 |
| Military History A-Z | 0 | - | 4.20 | 21,257 |
| Famous Generals - Non U.S. | 0 | - | 4.59 | 15,252 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,709 |
| Brand Logos That Start With D | 0 | - | 4.37 | 62,249 |
| Brand Logos That Start With C | 0 | - | 4.21 | 50,172 |
| Brand Logos That Start With L | 0 | - | 4.40 | 61,958 |
| Brand Logos That Start With M | 0 | - | 4.38 | 63,586 |
| Brand Logos That Start With S | 0 | - | 4.37 | 58,345 |
| Disney A-Z | 0 | - | 4.37 | 87,509 |
| Literature by Letter - A | 0 | - | 4.24 | 32,369 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,415 |
| Companies A-Z | 0 | - | 4.30 | 42,777 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,747 |
| Geography by Letter - G | 0 | - | 4.33 | 127,110 |
| Geography by Letter - F | 0 | - | 4.28 | 138,822 |
| Geography by Letter - J | 0 | - | 4.35 | 123,689 |
| Geography by Letter - O | 0 | - | 4.37 | 130,502 |
| Geography by Letter - V | 0 | - | 4.39 | 122,638 |
| Geography by Letter - W | 0 | - | 4.39 | 115,508 |
| Geography by Letter - Y | 0 | - | 4.39 | 112,204 |
| Geography by Letter - Z | 0 | - | 4.11 | 82,204 |
| Geography by Letter - Q | 0 | - | 4.38 | 70,099 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.15 | 35,381 |
| Geography Containing the Letter Z | 0 | - | 4.49 | 28,001 |
| Video Games A-Z | 0 | - | 4.05 | 39,260 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,410 |
| Movies that Start with A | 0 | - | 4.13 | 62,150 |
| Movies that Start with C | 0 | - | 4.30 | 62,150 |
| Movies that Start with B | 0 | - | 4.36 | 85,715 |
| Movies that Start with D | 0 | - | 4.34 | 68,675 |
| Movies that Start with E | 0 | - | 4.13 | 68,615 |
| Movies that Start with J | 0 | - | 4.18 | 76,425 |
| Movies that Start with L | 0 | - | 4.16 | 60,613 |
| Movies that Start with M | 0 | - | 4.28 | 48,409 |
| Movies that Start with N | 0 | - | 4.02 | 41,403 |
| Movies that Start with P | 0 | - | 4.25 | 54,300 |
| Movies that Start with R | 0 | - | 4.17 | 46,826 |
| Movies that Start with W | 0 | - | 4.07 | 44,378 |
| Movies that Start with T | 0 | - | 4.34 | 49,469 |
| Movies that Start with S | 0 | - | 4.35 | 56,651 |
| Movies that Start with F | 0 | - | 4.13 | 69,099 |
| Music by Letter - F | 0 | - | 4.47 | 27,143 |
| Music by Letter - A | 0 | - | 4.61 | 31,539 |
| Influential Women in History | 0 | - | 4.43 | 36,515 |
| Metals of Antiquity | 0 | - | 4.95 | 93,956 |
| Cradles of Civilization | 0 | - | 4.46 | 40,498 |
| Materials From History #1 | 0 | - | 4.56 | 52,085 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 47,169 |
| History: What Came First? #1 | 0 | - | 4.87 | 106,029 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 710,288 |
| WWI... or WWII? | 0 | - | 4.85 | 143,555 |
| Oldest Things | 0 | - | 3.92 | 65,715 |
| Famous Homes - Who Lived There? | 0 | - | 4.09 | 26,863 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 146,676 |
| Famous Explorers | 0 | - | 4.58 | 36,389 |
| Famous Empires by Description | 0 | - | 4.72 | 119,002 |
| Answers by Time Period | 0 | - | 4.64 | 55,896 |
| Coups d'Etat - Name the Country | 0 | - | 4.43 | 41,909 |
| Famous Firsts #3 - The United States | 0 | - | 4.20 | 14,949 |
| Years in History #1 - Multiple Choice | 0 | - | 4.82 | 70,656 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 158,604 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 67,468 |
| Middle East A-Z | 0 | - | 4.47 | 46,249 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.46 | 44,564 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 28,256 |
| Google What's the Difference? - History | 0 | - | 4.20 | 46,381 |
| Notable People of WWII | 0 | - | 4.53 | 86,589 |
| WWII Trivia #2 | 0 | - | 4.52 | 104,624 |
| World War I Quiz | 0 | - | 4.78 | 102,103 |
| WWI A-Z | 0 | - | 4.51 | 38,623 |
| Most Important People in History | 0 | - | 3.98 | 50,985 |
| People in History by Wikipedia Descriptions #4 | 0 | - | 4.41 | 30,801 |
