| History by Letter - B | 0 | - | 4.45 | 171,713 |
| History by Letter - C | 0 | - | 4.70 | 170,841 |
| History by Letter - E | 0 | - | 4.51 | 140,228 |
| History by Letter - G | 0 | - | 4.46 | 121,760 |
| History by Letter - H | 0 | - | 4.45 | 136,227 |
| History by Letter - J | 0 | - | 4.51 | 153,661 |
| History by Letter - N | 0 | - | 4.45 | 103,664 |
| History by Letter - S | 0 | - | 4.47 | 93,917 |
| History by Letter - W | 0 | - | 4.45 | 109,030 |
| History by Letter - M | 0 | - | 4.54 | 119,529 |
| History by Letter - K | 0 | - | 4.50 | 101,087 |
| History by Letter - L | 0 | - | 4.50 | 111,802 |
| History by Letter - I | 0 | - | 4.46 | 103,952 |
| History by Letter - D | 0 | - | 4.39 | 137,219 |
| History by Letter - F | 0 | - | 4.18 | 113,956 |
| History by Letter - O | 0 | - | 4.32 | 99,283 |
| History by Letter - P | 0 | - | 4.39 | 107,588 |
| History by Letter - Q | 0 | - | 4.34 | 80,158 |
| History by Letter - R | 0 | - | 4.26 | 121,920 |
| History by Letter - T | 0 | - | 4.39 | 105,071 |
| History by Letter - U | 0 | - | 4.19 | 100,592 |
| History by Letter - V | 0 | - | 4.27 | 80,585 |
| History by Letter - Y | 0 | - | 4.27 | 87,113 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,183 |
| History Containing the Letter X | 0 | - | 4.47 | 26,987 |
| History Containing the Letter Z | 0 | - | 4.53 | 23,390 |
| Empires A-Z | 0 | - | 4.51 | 44,995 |
| Same Start and End Letter - History #1 | 0 | - | 4.17 | 24,705 |
| Same Start and End Letter - History #2 | 0 | - | 4.13 | 25,604 |
| History Ending in Z | 0 | - | 4.35 | 13,495 |
| Countries that Start with a Vowel | 0 | - | 4.99 | 129,490 |
| Geography by Letter - T | 0 | - | 4.84 | 153,157 |
| People in History A-Z #1 | 0 | - | 4.61 | 98,823 |
| People in History A-Z #2 | 0 | - | 4.47 | 54,950 |
| People in History A-Z #3 | 0 | - | 4.44 | 46,062 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.89 | 81,731 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 107,414 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 153,023 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 194,487 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 169,708 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 191,352 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 299,935 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 179,736 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,451 |
| 20th Century A-Z | 0 | - | 4.50 | 53,291 |
| 19th Century A-Z | 0 | - | 4.77 | 46,838 |
| 18th Century A-Z | 0 | - | 4.54 | 42,721 |
| "Second Best" History Edition | 0 | - | 4.94 | 62,404 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 73,820 |
| Countries That Were Invaded | 0 | - | 4.55 | 97,174 |
| People in History A-Z #5 | 0 | - | 4.09 | 31,873 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 235,771 |
| Name an Official Language A-Z | 0 | - | 4.91 | 175,340 |
| People Depicted in Paintings | 0 | - | 4.54 | 44,502 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,263 |
| Territory Changes in World War I | 0 | - | 4.87 | 46,476 |
| 16th Century A-Z | 0 | - | 4.58 | 24,448 |
| 15th Century A-Z | 0 | - | 4.49 | 23,443 |
| 14th Century A-Z | 0 | - | 4.41 | 23,875 |
| 17th Century A-Z | 0 | - | 4.78 | 34,234 |
| NATO Military Alphabet | 0 | - | 4.98 | 556,771 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.81 | 799,675 |
| Religion A-Z #2 | 0 | - | 4.41 | 36,917 |
| Geography by Letter - A | 0 | - | 4.74 | 210,988 |
| Geography by Letter - B | 0 | - | 4.56 | 184,014 |
| Geography by Letter - H | 0 | - | 4.69 | 149,834 |
| Geography by Letter - C | 0 | - | 4.47 | 158,175 |
| Geography by Letter - D | 0 | - | 4.50 | 150,048 |
| Geography by Letter - E | 0 | - | 4.42 | 147,151 |
| Geography by Letter - I | 0 | - | 4.42 | 121,633 |
| Geography by Letter - K | 0 | - | 4.53 | 117,746 |
| Geography by Letter - L | 0 | - | 4.43 | 148,107 |
| Geography by Letter - M | 0 | - | 4.49 | 118,259 |
| Geography by Letter - N | 0 | - | 4.51 | 126,681 |
| Geography by Letter - P | 0 | - | 4.47 | 175,612 |
| Geography by Letter - R | 0 | - | 4.44 | 130,883 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 140,109 |
| Geography by Letter - U | 0 | - | 4.53 | 142,586 |
| Asian Geography By Letter - K | 0 | - | 4.74 | 58,063 |
| Geography Containing the Letter X | 0 | - | 4.42 | 34,549 |
| Geography Containing the Letter Q | 0 | - | 4.54 | 39,369 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,206 |
| Geography A-Z #2 | 0 | - | 4.46 | 52,787 |
| Geography A-Z #5 | 0 | - | 4.47 | 37,263 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,446 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,050 |
| Movies that Start with G | 0 | - | 4.49 | 68,395 |
| Movies that Start with I | 0 | - | 4.41 | 65,047 |
| Brand Logos That Start with A | 0 | - | 4.52 | 69,769 |
| Brand Logos That Start With M | 0 | - | 4.45 | 62,222 |
| Former Countries by Territory Map | 0 | - | 4.96 | 102,157 |
| Empires by Maps | 0 | - | 4.98 | 119,347 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,462 |
| Famous Battles Quiz | 0 | - | 4.21 | 48,919 |
| Name the War | 0 | - | 4.37 | 201,216 |
| Famous U.S. Generals | 0 | - | 4.27 | 38,469 |
| Famous Firsts #1 | 0 | - | 4.40 | 68,954 |
| Famous Families #1 | 0 | - | 4.20 | 83,502 |
| Names for Warriors | 0 | - | 4.40 | 36,863 |
| Famous Firsts #2 | 0 | - | 4.01 | 80,941 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,235 |
| People in History A-Z #4 | 0 | - | 4.10 | 22,977 |
| Countries by Military Spending | 0 | - | 4.93 | 176,978 |
| Classic Novels by Plot #2 | 0 | - | 4.87 | 37,733 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 120,124 |
| Name a Minecraft Mob A-Z | 0 | - | 4.87 | 42,138 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,752 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,996 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,629 |
| WWII A-Z #1 | 0 | - | 4.78 | 102,680 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,492 |
| People in History by Wikipedia Descriptions #1 | 0 | - | 4.42 | 44,297 |
| People in History by Wikipedia Descriptions #2 | 0 | - | 4.42 | 39,410 |
| People in History by Wikipedia Descriptions #3 | 0 | - | 4.50 | 36,640 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,310,430 |
| Animals that Start with L | 0 | - | 4.47 | 101,694 |
| Animals that Start with P | 0 | - | 4.45 | 85,942 |
| Animals that Start with S | 0 | - | 4.49 | 87,136 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 90,002 |
| Geography by Letter on the World Map - C | 0 | - | 4.78 | 117,041 |
| World Cities A-Z by Clue #1 | 0 | - | 4.50 | 67,370 |
| Islands A-Z | 0 | - | 4.46 | 117,140 |
| Human Body A-Z | 0 | - | 4.51 | 128,880 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 35,182 |
| Animals A-Z #1 | 0 | - | 4.41 | 93,026 |
| Africa A-Z | 0 | - | 4.57 | 46,501 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.68 | 57,289 |
| Ethnic Groups A-Z | 0 | - | 4.50 | 42,155 |
| Space Exploration Trivia | 0 | - | 4.38 | 35,265 |
| Military History A-Z | 0 | - | 4.20 | 21,094 |
| Famous Generals - Non U.S. | 0 | - | 4.58 | 15,077 |
| Disney A-Z | 0 | - | 4.37 | 86,822 |
| Literature by Letter - A | 0 | - | 4.23 | 31,836 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,102 |
| Companies A-Z | 0 | - | 4.30 | 42,652 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,557 |
| Geography by Letter - G | 0 | - | 4.35 | 125,897 |
| Geography by Letter - F | 0 | - | 4.27 | 137,480 |
| Geography by Letter - J | 0 | - | 4.34 | 122,556 |
| Geography by Letter - O | 0 | - | 4.37 | 129,397 |
| Geography by Letter - V | 0 | - | 4.39 | 121,355 |
| Geography by Letter - W | 0 | - | 4.39 | 114,545 |
| Geography by Letter - Y | 0 | - | 4.39 | 111,015 |
| Geography by Letter - Z | 0 | - | 4.11 | 81,368 |
| Geography by Letter - Q | 0 | - | 4.38 | 69,198 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.15 | 35,186 |
| Geography Containing the Letter Z | 0 | - | 4.49 | 27,750 |
| Video Games A-Z | 0 | - | 4.08 | 38,834 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,152 |
| Movies that Start with A | 0 | - | 4.13 | 61,765 |
| Movies that Start with C | 0 | - | 4.30 | 61,716 |
| Movies that Start with B | 0 | - | 4.36 | 85,074 |
| Movies that Start with D | 0 | - | 4.34 | 68,338 |
| Movies that Start with E | 0 | - | 4.13 | 68,274 |
| Movies that Start with J | 0 | - | 4.18 | 76,051 |
| Movies that Start with L | 0 | - | 4.16 | 60,322 |
| Movies that Start with M | 0 | - | 4.28 | 48,149 |
| Movies that Start with N | 0 | - | 4.02 | 41,190 |
| Movies that Start with P | 0 | - | 4.25 | 54,083 |
| Movies that Start with R | 0 | - | 4.17 | 46,558 |
| Movies that Start with W | 0 | - | 4.07 | 44,205 |
| Movies that Start with T | 0 | - | 4.34 | 49,217 |
| Movies that Start with S | 0 | - | 4.35 | 56,376 |
| Movies that Start with F | 0 | - | 4.13 | 68,753 |
| Music by Letter - F | 0 | - | 4.48 | 26,920 |
| Music by Letter - A | 0 | - | 4.61 | 31,282 |
| Brand Logos That Start With B | 0 | - | 4.38 | 59,612 |
| Brand Logos That Start With D | 0 | - | 4.37 | 61,110 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,323 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,651 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,144 |
| Influential Women in History | 0 | - | 4.42 | 35,304 |
| Metals of Antiquity | 0 | - | 4.94 | 93,140 |
| Cradles of Civilization | 0 | - | 4.46 | 39,378 |
| Materials From History #1 | 0 | - | 4.56 | 51,337 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,429 |
| History: What Came First? #1 | 0 | - | 4.87 | 104,808 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 705,814 |
| WWI... or WWII? | 0 | - | 4.85 | 141,424 |
| Oldest Things | 0 | - | 3.92 | 65,631 |
| Famous Homes - Who Lived There? | 0 | - | 4.09 | 26,795 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 145,536 |
| Famous Explorers | 0 | - | 4.58 | 36,052 |
| Famous Empires by Description | 0 | - | 4.73 | 118,167 |
| Answers by Time Period | 0 | - | 4.64 | 55,423 |
| Famous Firsts #3 - The United States | 0 | - | 4.19 | 14,593 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 70,040 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 156,427 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 66,983 |
| Middle East A-Z | 0 | - | 4.47 | 45,917 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,238 |
| Google What's the Difference? - History | 0 | - | 4.20 | 46,124 |
| Notable People of WWII | 0 | - | 4.53 | 85,485 |
| WWII Trivia #2 | 0 | - | 4.52 | 103,715 |
| World War I Quiz | 0 | - | 4.78 | 100,564 |
| WWI A-Z | 0 | - | 4.50 | 38,160 |
| Most Important People in History | 0 | - | 3.98 | 50,544 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 89,229 |
| Star Wars A-Z | 0 | - | 4.46 | 87,667 |
| Monarchies of the World | 0 | - | 4.94 | 167,435 |
