| History by Letter - B | 0 | - | 4.45 | 171,835 |
| History by Letter - C | 0 | - | 4.70 | 170,979 |
| History by Letter - E | 0 | - | 4.51 | 140,335 |
| History by Letter - G | 0 | - | 4.46 | 121,853 |
| History by Letter - H | 0 | - | 4.45 | 136,306 |
| History by Letter - J | 0 | - | 4.51 | 153,763 |
| History by Letter - N | 0 | - | 4.45 | 103,750 |
| History by Letter - S | 0 | - | 4.47 | 94,162 |
| History by Letter - W | 0 | - | 4.45 | 109,130 |
| History by Letter - M | 0 | - | 4.54 | 119,635 |
| History by Letter - K | 0 | - | 4.50 | 101,173 |
| History by Letter - L | 0 | - | 4.50 | 111,890 |
| History by Letter - I | 0 | - | 4.46 | 104,031 |
| History by Letter - D | 0 | - | 4.39 | 137,308 |
| History by Letter - F | 0 | - | 4.18 | 114,033 |
| History by Letter - O | 0 | - | 4.32 | 99,349 |
| History by Letter - P | 0 | - | 4.39 | 107,684 |
| History by Letter - Q | 0 | - | 4.34 | 80,213 |
| History by Letter - R | 0 | - | 4.26 | 122,015 |
| History by Letter - T | 0 | - | 4.39 | 105,141 |
| History by Letter - U | 0 | - | 4.19 | 100,663 |
| History by Letter - V | 0 | - | 4.27 | 80,640 |
| History by Letter - Y | 0 | - | 4.27 | 87,152 |
| History by Letter - Z | 0 | - | 4.19 | 76,935 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,200 |
| History Containing the Letter X | 0 | - | 4.47 | 26,999 |
| Empires A-Z | 0 | - | 4.51 | 45,045 |
| Same Start and End Letter - History #1 | 0 | - | 4.17 | 24,715 |
| Same Start and End Letter - History #2 | 0 | - | 4.13 | 25,621 |
| History Ending in Z | 0 | - | 4.35 | 13,503 |
| Countries that Start with a Vowel | 0 | - | 4.99 | 129,739 |
| Geography by Letter - T | 0 | - | 4.84 | 153,415 |
| People in History A-Z #1 | 0 | - | 4.61 | 98,876 |
| People in History A-Z #2 | 0 | - | 4.47 | 54,996 |
| People in History A-Z #3 | 0 | - | 4.44 | 46,099 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.89 | 81,903 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 107,594 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 153,102 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 194,631 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 169,774 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 191,534 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 300,068 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 179,851 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,532 |
| 20th Century A-Z | 0 | - | 4.50 | 53,444 |
| 19th Century A-Z | 0 | - | 4.77 | 47,026 |
| 18th Century A-Z | 0 | - | 4.54 | 42,897 |
| "Second Best" History Edition | 0 | - | 4.94 | 62,604 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 73,881 |
| Countries That Were Invaded | 0 | - | 4.55 | 97,241 |
| People in History A-Z #5 | 0 | - | 4.09 | 31,887 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 236,023 |
| Name an Official Language A-Z | 0 | - | 4.91 | 175,520 |
| People Depicted in Paintings | 0 | - | 4.54 | 44,539 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,324 |
| Territory Changes in World War I | 0 | - | 4.87 | 46,577 |
| 16th Century A-Z | 0 | - | 4.58 | 24,642 |
| 15th Century A-Z | 0 | - | 4.49 | 23,671 |
| 14th Century A-Z | 0 | - | 4.41 | 24,086 |
| 17th Century A-Z | 0 | - | 4.78 | 34,399 |
| NATO Military Alphabet | 0 | - | 4.98 | 557,443 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.81 | 800,483 |
| Religion A-Z #2 | 0 | - | 4.41 | 36,937 |
| Geography by Letter - A | 0 | - | 4.74 | 211,216 |
| Geography by Letter - B | 0 | - | 4.56 | 184,271 |
| Geography by Letter - H | 0 | - | 4.69 | 150,041 |
| Geography by Letter - C | 0 | - | 4.47 | 158,391 |
| Geography by Letter - D | 0 | - | 4.50 | 150,239 |
| Geography by Letter - E | 0 | - | 4.42 | 147,331 |
| Geography by Letter - I | 0 | - | 4.42 | 121,782 |
| Geography by Letter - K | 0 | - | 4.53 | 117,896 |
| Geography by Letter - L | 0 | - | 4.43 | 148,252 |
| Geography by Letter - M | 0 | - | 4.49 | 118,401 |
| Geography by Letter - N | 0 | - | 4.51 | 126,810 |
| Geography by Letter - P | 0 | - | 4.47 | 175,765 |
| Geography by Letter - R | 0 | - | 4.43 | 131,270 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 140,276 |
| Geography by Letter - U | 0 | - | 4.53 | 142,765 |
| Asian Geography By Letter - K | 0 | - | 4.74 | 58,081 |
| Geography Containing the Letter X | 0 | - | 4.42 | 34,586 |
| Geography Containing the Letter Q | 0 | - | 4.55 | 42,483 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,249 |
| Geography A-Z #2 | 0 | - | 4.46 | 52,825 |
| Geography A-Z #5 | 0 | - | 4.47 | 37,299 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,487 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,098 |
| Movies that Start with G | 0 | - | 4.49 | 68,433 |
| Movies that Start with I | 0 | - | 4.41 | 65,079 |
| Brand Logos That Start with A | 0 | - | 4.52 | 69,912 |
| Brand Logos That Start With M | 0 | - | 4.45 | 62,368 |
| Former Countries by Territory Map | 0 | - | 4.96 | 102,360 |
| Empires by Maps | 0 | - | 4.98 | 119,693 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,527 |
| Famous Battles Quiz | 0 | - | 4.21 | 48,939 |
| Name the War | 0 | - | 4.37 | 201,318 |
| Famous U.S. Generals | 0 | - | 4.27 | 38,492 |
| Famous Firsts #1 | 0 | - | 4.40 | 68,979 |
| Famous Families #1 | 0 | - | 4.20 | 83,529 |
| Names for Warriors | 0 | - | 4.40 | 36,885 |
| Famous Firsts #2 | 0 | - | 4.01 | 80,967 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,282 |
| People in History A-Z #4 | 0 | - | 4.10 | 22,988 |
| Countries by Military Spending | 0 | - | 4.93 | 177,138 |
| Classic Novels by Plot #2 | 0 | - | 4.87 | 37,801 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 120,251 |
| Name a Minecraft Mob A-Z | 0 | - | 4.87 | 42,304 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,832 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,057 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,650 |
| WWII A-Z #1 | 0 | - | 4.78 | 102,760 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,531 |
| People in History by Wikipedia Descriptions #1 | 0 | - | 4.42 | 44,311 |
| People in History by Wikipedia Descriptions #2 | 0 | - | 4.42 | 39,426 |
| People in History by Wikipedia Descriptions #3 | 0 | - | 4.50 | 36,651 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,311,955 |
| Animals that Start with L | 0 | - | 4.47 | 101,734 |
| Animals that Start with P | 0 | - | 4.45 | 85,982 |
| Animals that Start with S | 0 | - | 4.49 | 87,177 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 90,130 |
| Geography by Letter on the World Map - C | 0 | - | 4.78 | 117,190 |
| World Cities A-Z by Clue #1 | 0 | - | 4.50 | 67,669 |
| Islands A-Z | 0 | - | 4.46 | 117,266 |
| Human Body A-Z | 0 | - | 4.51 | 128,950 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 35,291 |
| Animals A-Z #1 | 0 | - | 4.41 | 93,105 |
| Africa A-Z | 0 | - | 4.57 | 46,534 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.68 | 57,436 |
| Ethnic Groups A-Z | 0 | - | 4.50 | 42,190 |
| Space Exploration Trivia | 0 | - | 4.38 | 35,294 |
| Military History A-Z | 0 | - | 4.20 | 21,114 |
| Famous Generals - Non U.S. | 0 | - | 4.59 | 15,097 |
| Disney A-Z | 0 | - | 4.37 | 86,883 |
| Literature by Letter - A | 0 | - | 4.23 | 31,859 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,119 |
| Companies A-Z | 0 | - | 4.30 | 42,668 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,574 |
| Geography by Letter - G | 0 | - | 4.35 | 126,046 |
| Geography by Letter - F | 0 | - | 4.27 | 137,622 |
| Geography by Letter - J | 0 | - | 4.34 | 122,695 |
| Geography by Letter - O | 0 | - | 4.37 | 129,524 |
| Geography by Letter - V | 0 | - | 4.39 | 121,486 |
| Geography by Letter - W | 0 | - | 4.39 | 114,653 |
| Geography by Letter - Y | 0 | - | 4.39 | 111,133 |
| Geography by Letter - Z | 0 | - | 4.11 | 81,461 |
| Geography by Letter - Q | 0 | - | 4.38 | 69,301 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.15 | 35,208 |
| Geography Containing the Letter Z | 0 | - | 4.49 | 27,796 |
| Video Games A-Z | 0 | - | 4.08 | 38,867 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,188 |
| Movies that Start with A | 0 | - | 4.13 | 61,799 |
| Movies that Start with C | 0 | - | 4.30 | 61,758 |
| Movies that Start with B | 0 | - | 4.36 | 85,111 |
| Movies that Start with D | 0 | - | 4.34 | 68,363 |
| Movies that Start with E | 0 | - | 4.13 | 68,296 |
| Movies that Start with J | 0 | - | 4.18 | 76,081 |
| Movies that Start with L | 0 | - | 4.16 | 60,352 |
| Movies that Start with M | 0 | - | 4.28 | 48,168 |
| Movies that Start with N | 0 | - | 4.02 | 41,210 |
| Movies that Start with P | 0 | - | 4.25 | 54,102 |
| Movies that Start with R | 0 | - | 4.17 | 46,575 |
| Movies that Start with W | 0 | - | 4.07 | 44,220 |
| Movies that Start with T | 0 | - | 4.34 | 49,235 |
| Movies that Start with S | 0 | - | 4.35 | 56,396 |
| Movies that Start with F | 0 | - | 4.13 | 68,776 |
| Music by Letter - F | 0 | - | 4.48 | 26,945 |
| Music by Letter - A | 0 | - | 4.61 | 31,311 |
| Brand Logos That Start With B | 0 | - | 4.38 | 59,700 |
| Brand Logos That Start With D | 0 | - | 4.37 | 61,220 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,429 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,787 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,267 |
| Influential Women in History | 0 | - | 4.42 | 35,413 |
| Metals of Antiquity | 0 | - | 4.94 | 93,209 |
| Cradles of Civilization | 0 | - | 4.46 | 39,480 |
| Materials From History #1 | 0 | - | 4.56 | 51,407 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,516 |
| History: What Came First? #1 | 0 | - | 4.87 | 104,946 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 706,160 |
| WWI... or WWII? | 0 | - | 4.85 | 141,651 |
| Oldest Things | 0 | - | 3.92 | 65,637 |
| Famous Homes - Who Lived There? | 0 | - | 4.09 | 26,805 |
| Biggest Nations and Empires Ever | 0 | - | 4.52 | 145,630 |
| Famous Explorers | 0 | - | 4.58 | 36,094 |
| Famous Empires by Description | 0 | - | 4.73 | 118,253 |
| Answers by Time Period | 0 | - | 4.64 | 55,465 |
| Famous Firsts #3 - The United States | 0 | - | 4.19 | 14,614 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 70,108 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 156,588 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 67,026 |
| Middle East A-Z | 0 | - | 4.47 | 45,942 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,269 |
| Google What's the Difference? - History | 0 | - | 4.20 | 46,165 |
| Notable People of WWII | 0 | - | 4.53 | 85,535 |
| WWII Trivia #2 | 0 | - | 4.52 | 103,793 |
| World War I Quiz | 0 | - | 4.78 | 101,063 |
| WWI A-Z | 0 | - | 4.50 | 38,221 |
| Most Important People in History | 0 | - | 3.98 | 50,584 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 90,127 |
| Star Wars A-Z | 0 | - | 4.46 | 87,872 |
| Monarchies of the World | 0 | - | 4.94 | 167,665 |
