| History by Letter - B | 0 | - | 4.45 | 171,728 |
| History by Letter - C | 0 | - | 4.70 | 170,859 |
| History by Letter - E | 0 | - | 4.51 | 140,242 |
| History by Letter - G | 0 | - | 4.46 | 121,775 |
| History by Letter - H | 0 | - | 4.45 | 136,243 |
| History by Letter - J | 0 | - | 4.51 | 153,680 |
| History by Letter - N | 0 | - | 4.45 | 103,673 |
| History by Letter - S | 0 | - | 4.47 | 93,929 |
| History by Letter - W | 0 | - | 4.45 | 109,044 |
| History by Letter - M | 0 | - | 4.54 | 119,540 |
| History by Letter - K | 0 | - | 4.50 | 101,100 |
| History by Letter - L | 0 | - | 4.50 | 111,815 |
| History by Letter - I | 0 | - | 4.46 | 103,963 |
| History by Letter - D | 0 | - | 4.39 | 137,228 |
| History by Letter - F | 0 | - | 4.18 | 113,967 |
| History by Letter - O | 0 | - | 4.32 | 99,291 |
| History by Letter - P | 0 | - | 4.39 | 107,599 |
| History by Letter - Q | 0 | - | 4.34 | 80,162 |
| History by Letter - R | 0 | - | 4.26 | 121,930 |
| History by Letter - T | 0 | - | 4.39 | 105,077 |
| History by Letter - V | 0 | - | 4.27 | 80,594 |
| History by Letter - Y | 0 | - | 4.27 | 87,119 |
| History by Letter - Z | 0 | - | 4.18 | 76,893 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,187 |
| History Containing the Letter X | 0 | - | 4.47 | 26,988 |
| History Containing the Letter Z | 0 | - | 4.53 | 23,391 |
| Empires A-Z | 0 | - | 4.51 | 45,003 |
| Same Start and End Letter - History #1 | 0 | - | 4.17 | 24,706 |
| Same Start and End Letter - History #2 | 0 | - | 4.13 | 25,610 |
| History Ending in Z | 0 | - | 4.35 | 13,497 |
| Countries that Start with a Vowel | 0 | - | 4.99 | 129,534 |
| Geography by Letter - T | 0 | - | 4.84 | 153,201 |
| People in History A-Z #1 | 0 | - | 4.61 | 98,826 |
| People in History A-Z #2 | 0 | - | 4.47 | 54,959 |
| People in History A-Z #3 | 0 | - | 4.44 | 46,064 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.89 | 81,767 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 107,444 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 153,041 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 194,516 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 169,712 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 191,389 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 299,959 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 179,761 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,463 |
| 20th Century A-Z | 0 | - | 4.50 | 53,298 |
| 19th Century A-Z | 0 | - | 4.77 | 46,843 |
| 18th Century A-Z | 0 | - | 4.54 | 42,726 |
| "Second Best" History Edition | 0 | - | 4.94 | 62,432 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 73,831 |
| Countries That Were Invaded | 0 | - | 4.55 | 97,191 |
| People in History A-Z #5 | 0 | - | 4.09 | 31,877 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 235,826 |
| Name an Official Language A-Z | 0 | - | 4.91 | 175,371 |
| People Depicted in Paintings | 0 | - | 4.54 | 44,506 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,275 |
| Territory Changes in World War I | 0 | - | 4.87 | 46,496 |
| 16th Century A-Z | 0 | - | 4.58 | 24,449 |
| 15th Century A-Z | 0 | - | 4.49 | 23,444 |
| 14th Century A-Z | 0 | - | 4.41 | 23,877 |
| 17th Century A-Z | 0 | - | 4.78 | 34,238 |
| NATO Military Alphabet | 0 | - | 4.98 | 556,887 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.81 | 799,766 |
| Religion A-Z #2 | 0 | - | 4.41 | 36,922 |
| Geography by Letter - A | 0 | - | 4.74 | 211,029 |
| Geography by Letter - B | 0 | - | 4.56 | 184,072 |
| Geography by Letter - H | 0 | - | 4.69 | 149,870 |
| Geography by Letter - C | 0 | - | 4.47 | 158,220 |
| Geography by Letter - D | 0 | - | 4.50 | 150,085 |
| Geography by Letter - E | 0 | - | 4.42 | 147,185 |
| Geography by Letter - I | 0 | - | 4.42 | 121,660 |
| Geography by Letter - K | 0 | - | 4.53 | 117,780 |
| Geography by Letter - L | 0 | - | 4.43 | 148,136 |
| Geography by Letter - M | 0 | - | 4.49 | 118,282 |
| Geography by Letter - N | 0 | - | 4.51 | 126,702 |
| Geography by Letter - P | 0 | - | 4.47 | 175,632 |
| Geography by Letter - R | 0 | - | 4.44 | 130,918 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 140,135 |
| Geography by Letter - U | 0 | - | 4.53 | 142,617 |
| Asian Geography By Letter - K | 0 | - | 4.74 | 58,064 |
| Geography Containing the Letter X | 0 | - | 4.42 | 34,556 |
| Geography Containing the Letter Q | 0 | - | 4.54 | 40,431 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,213 |
| Geography A-Z #2 | 0 | - | 4.46 | 52,794 |
| Geography A-Z #5 | 0 | - | 4.47 | 37,267 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,453 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,062 |
| Movies that Start with G | 0 | - | 4.49 | 68,403 |
| Movies that Start with I | 0 | - | 4.41 | 65,053 |
| Brand Logos That Start with A | 0 | - | 4.52 | 69,797 |
| Brand Logos That Start With M | 0 | - | 4.45 | 62,250 |
| Former Countries by Territory Map | 0 | - | 4.96 | 102,220 |
| Empires by Maps | 0 | - | 4.98 | 119,439 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,473 |
| Famous Battles Quiz | 0 | - | 4.21 | 48,921 |
| Name the War | 0 | - | 4.37 | 201,233 |
| Famous U.S. Generals | 0 | - | 4.27 | 38,476 |
| Famous Firsts #1 | 0 | - | 4.40 | 68,958 |
| Famous Families #1 | 0 | - | 4.20 | 83,508 |
| Names for Warriors | 0 | - | 4.40 | 36,867 |
| Famous Firsts #2 | 0 | - | 4.01 | 80,948 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,245 |
| People in History A-Z #4 | 0 | - | 4.10 | 22,978 |
| Countries by Military Spending | 0 | - | 4.93 | 177,002 |
| Classic Novels by Plot #2 | 0 | - | 4.87 | 37,746 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 120,142 |
| Name a Minecraft Mob A-Z | 0 | - | 4.87 | 42,165 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,770 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,004 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,633 |
| WWII A-Z #1 | 0 | - | 4.78 | 102,696 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,502 |
| People in History by Wikipedia Descriptions #1 | 0 | - | 4.42 | 44,300 |
| People in History by Wikipedia Descriptions #2 | 0 | - | 4.42 | 39,413 |
| People in History by Wikipedia Descriptions #3 | 0 | - | 4.50 | 36,641 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,310,715 |
| Animals that Start with L | 0 | - | 4.47 | 101,702 |
| Animals that Start with P | 0 | - | 4.45 | 85,946 |
| Animals that Start with S | 0 | - | 4.49 | 87,144 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 90,029 |
| Geography by Letter on the World Map - C | 0 | - | 4.78 | 117,071 |
| World Cities A-Z by Clue #1 | 0 | - | 4.50 | 67,431 |
| Islands A-Z | 0 | - | 4.46 | 117,152 |
| Human Body A-Z | 0 | - | 4.51 | 128,895 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 35,203 |
| Animals A-Z #1 | 0 | - | 4.41 | 93,034 |
| Africa A-Z | 0 | - | 4.57 | 46,506 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.68 | 57,317 |
| Ethnic Groups A-Z | 0 | - | 4.50 | 42,166 |
| Space Exploration Trivia | 0 | - | 4.38 | 35,272 |
| Military History A-Z | 0 | - | 4.20 | 21,099 |
| Famous Generals - Non U.S. | 0 | - | 4.58 | 15,082 |
| Disney A-Z | 0 | - | 4.37 | 86,830 |
| Literature by Letter - A | 0 | - | 4.23 | 31,839 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,106 |
| Companies A-Z | 0 | - | 4.30 | 42,656 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,562 |
| Geography by Letter - G | 0 | - | 4.35 | 125,925 |
| Geography by Letter - F | 0 | - | 4.27 | 137,508 |
| Geography by Letter - J | 0 | - | 4.34 | 122,588 |
| Geography by Letter - O | 0 | - | 4.37 | 129,417 |
| Geography by Letter - V | 0 | - | 4.39 | 121,380 |
| Geography by Letter - W | 0 | - | 4.39 | 114,565 |
| Geography by Letter - Y | 0 | - | 4.39 | 111,032 |
| Geography by Letter - Z | 0 | - | 4.11 | 81,386 |
| Geography by Letter - Q | 0 | - | 4.38 | 69,211 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.15 | 35,192 |
| Geography Containing the Letter Z | 0 | - | 4.49 | 27,760 |
| Video Games A-Z | 0 | - | 4.08 | 38,839 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,157 |
| Movies that Start with A | 0 | - | 4.13 | 61,772 |
| Movies that Start with C | 0 | - | 4.30 | 61,724 |
| Movies that Start with B | 0 | - | 4.36 | 85,080 |
| Movies that Start with D | 0 | - | 4.34 | 68,343 |
| Movies that Start with E | 0 | - | 4.13 | 68,278 |
| Movies that Start with J | 0 | - | 4.18 | 76,055 |
| Movies that Start with L | 0 | - | 4.16 | 60,328 |
| Movies that Start with M | 0 | - | 4.28 | 48,151 |
| Movies that Start with N | 0 | - | 4.02 | 41,192 |
| Movies that Start with P | 0 | - | 4.25 | 54,085 |
| Movies that Start with R | 0 | - | 4.17 | 46,564 |
| Movies that Start with W | 0 | - | 4.07 | 44,206 |
| Movies that Start with T | 0 | - | 4.34 | 49,220 |
| Movies that Start with S | 0 | - | 4.35 | 56,377 |
| Movies that Start with F | 0 | - | 4.13 | 68,757 |
| Music by Letter - F | 0 | - | 4.48 | 26,924 |
| Music by Letter - A | 0 | - | 4.61 | 31,286 |
| Brand Logos That Start With B | 0 | - | 4.38 | 59,630 |
| Brand Logos That Start With D | 0 | - | 4.37 | 61,133 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,345 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,676 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,169 |
| Influential Women in History | 0 | - | 4.42 | 35,310 |
| Metals of Antiquity | 0 | - | 4.94 | 93,158 |
| Cradles of Civilization | 0 | - | 4.46 | 39,385 |
| Materials From History #1 | 0 | - | 4.56 | 51,346 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,446 |
| History: What Came First? #1 | 0 | - | 4.87 | 104,832 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 705,870 |
| WWI... or WWII? | 0 | - | 4.85 | 141,461 |
| Oldest Things | 0 | - | 3.92 | 65,632 |
| Famous Homes - Who Lived There? | 0 | - | 4.09 | 26,796 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 145,552 |
| Famous Explorers | 0 | - | 4.58 | 36,056 |
| Famous Empires by Description | 0 | - | 4.73 | 118,183 |
| Answers by Time Period | 0 | - | 4.64 | 55,432 |
| Famous Firsts #3 - The United States | 0 | - | 4.19 | 14,598 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 70,060 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 156,464 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 66,985 |
| Middle East A-Z | 0 | - | 4.47 | 45,921 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,244 |
| Google What's the Difference? - History | 0 | - | 4.20 | 46,130 |
| Notable People of WWII | 0 | - | 4.53 | 85,492 |
| WWII Trivia #2 | 0 | - | 4.52 | 103,734 |
| World War I Quiz | 0 | - | 4.78 | 100,586 |
| WWI A-Z | 0 | - | 4.50 | 38,169 |
| Most Important People in History | 0 | - | 3.98 | 50,552 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 89,448 |
| Star Wars A-Z | 0 | - | 4.46 | 87,727 |
| Monarchies of the World | 0 | - | 4.94 | 167,473 |
