| History by Letter - B | 0 | - | 4.45 | 171,778 |
| History by Letter - C | 0 | - | 4.70 | 170,915 |
| History by Letter - E | 0 | - | 4.51 | 140,279 |
| History by Letter - G | 0 | - | 4.46 | 121,808 |
| History by Letter - H | 0 | - | 4.45 | 136,274 |
| History by Letter - J | 0 | - | 4.51 | 153,714 |
| History by Letter - N | 0 | - | 4.45 | 103,701 |
| History by Letter - S | 0 | - | 4.47 | 93,954 |
| History by Letter - W | 0 | - | 4.45 | 109,081 |
| History by Letter - M | 0 | - | 4.54 | 119,587 |
| History by Letter - K | 0 | - | 4.50 | 101,132 |
| History by Letter - L | 0 | - | 4.50 | 111,845 |
| History by Letter - I | 0 | - | 4.46 | 104,000 |
| History by Letter - D | 0 | - | 4.39 | 137,268 |
| History by Letter - F | 0 | - | 4.18 | 113,996 |
| History by Letter - O | 0 | - | 4.32 | 99,313 |
| History by Letter - P | 0 | - | 4.39 | 107,631 |
| History by Letter - Q | 0 | - | 4.34 | 80,183 |
| History by Letter - R | 0 | - | 4.26 | 121,971 |
| History by Letter - T | 0 | - | 4.39 | 105,105 |
| History by Letter - U | 0 | - | 4.19 | 100,626 |
| History by Letter - V | 0 | - | 4.27 | 80,619 |
| History by Letter - Y | 0 | - | 4.27 | 87,135 |
| History by Letter - Z | 0 | - | 4.18 | 76,910 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,194 |
| History Containing the Letter X | 0 | - | 4.47 | 26,993 |
| History Containing the Letter Z | 0 | - | 4.53 | 23,401 |
| Empires A-Z | 0 | - | 4.51 | 45,019 |
| Same Start and End Letter - History #1 | 0 | - | 4.17 | 24,710 |
| Same Start and End Letter - History #2 | 0 | - | 4.13 | 25,617 |
| Countries that Start with a Vowel | 0 | - | 4.99 | 129,660 |
| Geography by Letter - T | 0 | - | 4.84 | 153,322 |
| People in History A-Z #1 | 0 | - | 4.61 | 98,845 |
| People in History A-Z #2 | 0 | - | 4.47 | 54,974 |
| People in History A-Z #3 | 0 | - | 4.44 | 46,078 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.89 | 81,853 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 107,535 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 153,075 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 194,589 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 169,741 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 191,467 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 300,025 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 179,809 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,502 |
| 20th Century A-Z | 0 | - | 4.50 | 53,309 |
| 19th Century A-Z | 0 | - | 4.77 | 46,850 |
| 18th Century A-Z | 0 | - | 4.54 | 42,729 |
| "Second Best" History Edition | 0 | - | 4.94 | 62,534 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 73,853 |
| Countries That Were Invaded | 0 | - | 4.55 | 97,216 |
| People in History A-Z #5 | 0 | - | 4.09 | 31,882 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 235,933 |
| Name an Official Language A-Z | 0 | - | 4.91 | 175,449 |
| People Depicted in Paintings | 0 | - | 4.54 | 44,526 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,307 |
| Territory Changes in World War I | 0 | - | 4.87 | 46,547 |
| 16th Century A-Z | 0 | - | 4.58 | 24,461 |
| 15th Century A-Z | 0 | - | 4.49 | 23,454 |
| 14th Century A-Z | 0 | - | 4.41 | 23,892 |
| 17th Century A-Z | 0 | - | 4.78 | 34,247 |
| NATO Military Alphabet | 0 | - | 4.98 | 557,225 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.81 | 799,962 |
| Religion A-Z #2 | 0 | - | 4.41 | 36,931 |
| Geography by Letter - A | 0 | - | 4.74 | 211,140 |
| Geography by Letter - B | 0 | - | 4.56 | 184,199 |
| Geography by Letter - H | 0 | - | 4.69 | 149,957 |
| Geography by Letter - C | 0 | - | 4.47 | 158,331 |
| Geography by Letter - D | 0 | - | 4.50 | 150,167 |
| Geography by Letter - E | 0 | - | 4.42 | 147,272 |
| Geography by Letter - I | 0 | - | 4.42 | 121,719 |
| Geography by Letter - K | 0 | - | 4.53 | 117,845 |
| Geography by Letter - L | 0 | - | 4.43 | 148,196 |
| Geography by Letter - M | 0 | - | 4.49 | 118,343 |
| Geography by Letter - N | 0 | - | 4.51 | 126,765 |
| Geography by Letter - P | 0 | - | 4.47 | 175,698 |
| Geography by Letter - R | 0 | - | 4.43 | 130,992 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 140,205 |
| Geography by Letter - U | 0 | - | 4.53 | 142,708 |
| Asian Geography By Letter - K | 0 | - | 4.74 | 58,073 |
| Geography Containing the Letter X | 0 | - | 4.42 | 34,576 |
| Geography Containing the Letter Q | 0 | - | 4.55 | 42,129 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,235 |
| Geography A-Z #2 | 0 | - | 4.46 | 52,814 |
| Geography A-Z #5 | 0 | - | 4.47 | 37,284 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,473 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,082 |
| Movies that Start with G | 0 | - | 4.49 | 68,415 |
| Movies that Start with I | 0 | - | 4.41 | 65,069 |
| Brand Logos That Start with A | 0 | - | 4.52 | 69,864 |
| Brand Logos That Start With M | 0 | - | 4.45 | 62,318 |
| Former Countries by Territory Map | 0 | - | 4.96 | 102,302 |
| Empires by Maps | 0 | - | 4.98 | 119,590 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,501 |
| Famous Battles Quiz | 0 | - | 4.21 | 48,928 |
| Name the War | 0 | - | 4.37 | 201,277 |
| Famous U.S. Generals | 0 | - | 4.27 | 38,480 |
| Famous Firsts #1 | 0 | - | 4.40 | 68,972 |
| Famous Families #1 | 0 | - | 4.20 | 83,520 |
| Names for Warriors | 0 | - | 4.40 | 36,875 |
| Famous Firsts #2 | 0 | - | 4.01 | 80,960 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,272 |
| People in History A-Z #4 | 0 | - | 4.10 | 22,984 |
| Countries by Military Spending | 0 | - | 4.93 | 177,086 |
| Classic Novels by Plot #2 | 0 | - | 4.87 | 37,782 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 120,209 |
| Name a Minecraft Mob A-Z | 0 | - | 4.87 | 42,236 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,803 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,032 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,644 |
| WWII A-Z #1 | 0 | - | 4.78 | 102,730 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,520 |
| People in History by Wikipedia Descriptions #1 | 0 | - | 4.42 | 44,306 |
| People in History by Wikipedia Descriptions #2 | 0 | - | 4.42 | 39,422 |
| People in History by Wikipedia Descriptions #3 | 0 | - | 4.50 | 36,647 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,311,435 |
| Animals that Start with L | 0 | - | 4.47 | 101,722 |
| Animals that Start with P | 0 | - | 4.45 | 85,969 |
| Animals that Start with S | 0 | - | 4.49 | 87,162 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 90,089 |
| Geography by Letter on the World Map - C | 0 | - | 4.78 | 117,132 |
| World Cities A-Z by Clue #1 | 0 | - | 4.50 | 67,568 |
| Islands A-Z | 0 | - | 4.46 | 117,216 |
| Human Body A-Z | 0 | - | 4.51 | 128,930 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 35,248 |
| Animals A-Z #1 | 0 | - | 4.41 | 93,069 |
| Africa A-Z | 0 | - | 4.57 | 46,518 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.68 | 57,399 |
| Ethnic Groups A-Z | 0 | - | 4.50 | 42,182 |
| Space Exploration Trivia | 0 | - | 4.38 | 35,283 |
| Military History A-Z | 0 | - | 4.20 | 21,108 |
| Famous Generals - Non U.S. | 0 | - | 4.58 | 15,088 |
| Disney A-Z | 0 | - | 4.37 | 86,861 |
| Literature by Letter - A | 0 | - | 4.23 | 31,850 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,111 |
| Companies A-Z | 0 | - | 4.30 | 42,665 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,571 |
| Geography by Letter - G | 0 | - | 4.35 | 125,983 |
| Geography by Letter - F | 0 | - | 4.27 | 137,571 |
| Geography by Letter - J | 0 | - | 4.34 | 122,642 |
| Geography by Letter - O | 0 | - | 4.37 | 129,468 |
| Geography by Letter - V | 0 | - | 4.39 | 121,441 |
| Geography by Letter - W | 0 | - | 4.39 | 114,616 |
| Geography by Letter - Y | 0 | - | 4.39 | 111,085 |
| Geography by Letter - Z | 0 | - | 4.11 | 81,430 |
| Geography by Letter - Q | 0 | - | 4.38 | 69,256 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.15 | 35,200 |
| Geography Containing the Letter Z | 0 | - | 4.49 | 27,785 |
| Video Games A-Z | 0 | - | 4.08 | 38,854 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,180 |
| Movies that Start with A | 0 | - | 4.13 | 61,790 |
| Movies that Start with C | 0 | - | 4.30 | 61,745 |
| Movies that Start with B | 0 | - | 4.36 | 85,098 |
| Movies that Start with D | 0 | - | 4.34 | 68,356 |
| Movies that Start with E | 0 | - | 4.13 | 68,290 |
| Movies that Start with J | 0 | - | 4.18 | 76,072 |
| Movies that Start with L | 0 | - | 4.16 | 60,341 |
| Movies that Start with M | 0 | - | 4.28 | 48,161 |
| Movies that Start with N | 0 | - | 4.02 | 41,204 |
| Movies that Start with P | 0 | - | 4.25 | 54,097 |
| Movies that Start with R | 0 | - | 4.17 | 46,570 |
| Movies that Start with W | 0 | - | 4.07 | 44,215 |
| Movies that Start with T | 0 | - | 4.34 | 49,228 |
| Movies that Start with S | 0 | - | 4.35 | 56,389 |
| Movies that Start with F | 0 | - | 4.13 | 68,768 |
| Music by Letter - F | 0 | - | 4.48 | 26,937 |
| Music by Letter - A | 0 | - | 4.61 | 31,302 |
| Brand Logos That Start With B | 0 | - | 4.38 | 59,678 |
| Brand Logos That Start With D | 0 | - | 4.37 | 61,182 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,393 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,733 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,234 |
| Influential Women in History | 0 | - | 4.42 | 35,382 |
| Metals of Antiquity | 0 | - | 4.94 | 93,190 |
| Cradles of Civilization | 0 | - | 4.46 | 39,449 |
| Materials From History #1 | 0 | - | 4.56 | 51,385 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,487 |
| History: What Came First? #1 | 0 | - | 4.87 | 104,893 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 706,030 |
| WWI... or WWII? | 0 | - | 4.85 | 141,568 |
| Oldest Things | 0 | - | 3.92 | 65,633 |
| Famous Homes - Who Lived There? | 0 | - | 4.09 | 26,803 |
| Biggest Nations and Empires Ever | 0 | - | 4.52 | 145,598 |
| Famous Explorers | 0 | - | 4.58 | 36,078 |
| Famous Empires by Description | 0 | - | 4.73 | 118,228 |
| Answers by Time Period | 0 | - | 4.64 | 55,453 |
| Famous Firsts #3 - The United States | 0 | - | 4.19 | 14,607 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 70,086 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 156,540 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 67,010 |
| Middle East A-Z | 0 | - | 4.47 | 45,935 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,261 |
| Google What's the Difference? - History | 0 | - | 4.20 | 46,146 |
| Notable People of WWII | 0 | - | 4.53 | 85,515 |
| WWII Trivia #2 | 0 | - | 4.52 | 103,773 |
| World War I Quiz | 0 | - | 4.78 | 101,004 |
| WWI A-Z | 0 | - | 4.50 | 38,207 |
| Most Important People in History | 0 | - | 3.98 | 50,568 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 89,893 |
| Star Wars A-Z | 0 | - | 4.46 | 87,821 |
| Monarchies of the World | 0 | - | 4.94 | 167,578 |
