| History by Letter - B | 0 | - | 4.45 | 172,928 |
| History by Letter - C | 0 | - | 4.70 | 172,253 |
| History by Letter - E | 0 | - | 4.51 | 141,205 |
| History by Letter - G | 0 | - | 4.46 | 122,642 |
| History by Letter - H | 0 | - | 4.45 | 137,287 |
| History by Letter - J | 0 | - | 4.51 | 154,654 |
| History by Letter - N | 0 | - | 4.45 | 104,471 |
| History by Letter - S | 0 | - | 4.47 | 94,769 |
| History by Letter - M | 0 | - | 4.54 | 120,287 |
| History by Letter - K | 0 | - | 4.50 | 101,771 |
| History by Letter - L | 0 | - | 4.50 | 112,546 |
| History by Letter - I | 0 | - | 4.46 | 104,803 |
| History by Letter - D | 0 | - | 4.40 | 138,316 |
| History by Letter - F | 0 | - | 4.18 | 114,873 |
| History by Letter - O | 0 | - | 4.32 | 99,860 |
| History by Letter - P | 0 | - | 4.36 | 108,232 |
| History by Letter - Q | 0 | - | 4.34 | 80,613 |
| History by Letter - R | 0 | - | 4.26 | 122,587 |
| History by Letter - T | 0 | - | 4.39 | 105,620 |
| History by Letter - U | 0 | - | 4.19 | 101,137 |
| History by Letter - V | 0 | - | 4.27 | 81,064 |
| History by Letter - Y | 0 | - | 4.27 | 87,577 |
| History by Letter - Z | 0 | - | 4.20 | 77,314 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,309 |
| History Containing the Letter X | 0 | - | 4.47 | 27,114 |
| History Containing the Letter Z | 0 | - | 4.53 | 23,500 |
| Empires A-Z | 0 | - | 4.52 | 45,349 |
| Same Start and End Letter - History #1 | 0 | - | 4.18 | 24,782 |
| Same Start and End Letter - History #2 | 0 | - | 4.13 | 25,748 |
| History Ending in Z | 0 | - | 4.35 | 13,570 |
| Countries that Start with a Vowel | 0 | - | 4.99 | 154,670 |
| Geography by Letter - T | 0 | - | 4.84 | 154,726 |
| People in History A-Z #1 | 0 | - | 4.63 | 99,536 |
| People in History A-Z #2 | 0 | - | 4.47 | 55,361 |
| People in History A-Z #3 | 0 | - | 4.44 | 46,358 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.87 | 82,724 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 108,552 |
| Southernmost Countries A-Z | 0 | - | 4.95 | 153,898 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 196,299 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 170,674 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 193,302 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 301,534 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 180,944 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 73,249 |
| 20th Century A-Z | 0 | - | 4.50 | 53,890 |
| 19th Century A-Z | 0 | - | 4.77 | 47,409 |
| 18th Century A-Z | 0 | - | 4.54 | 43,262 |
| "Second Best" History Edition | 0 | - | 4.94 | 63,740 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 74,304 |
| Countries That Were Invaded | 0 | - | 4.55 | 97,690 |
| People in History A-Z #5 | 0 | - | 4.09 | 32,071 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 238,073 |
| Name an Official Language A-Z | 0 | - | 4.91 | 176,546 |
| People Depicted in Paintings | 0 | - | 4.55 | 44,759 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,572 |
| Territory Changes in World War I | 0 | - | 4.87 | 47,011 |
| 16th Century A-Z | 0 | - | 4.58 | 24,972 |
| 15th Century A-Z | 0 | - | 4.49 | 23,982 |
| 14th Century A-Z | 0 | - | 4.41 | 24,459 |
| 17th Century A-Z | 0 | - | 4.78 | 34,712 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,842 |
| NATO Military Alphabet | 0 | - | 4.98 | 562,698 |
| Religion A-Z #2 | 0 | - | 4.41 | 37,079 |
| Geography by Letter - A | 0 | - | 4.74 | 212,409 |
| Geography by Letter - B | 0 | - | 4.56 | 185,408 |
| Geography by Letter - H | 0 | - | 4.69 | 150,961 |
| Geography by Letter - C | 0 | - | 4.48 | 159,391 |
| Geography by Letter - D | 0 | - | 4.50 | 151,383 |
| Geography by Letter - E | 0 | - | 4.42 | 148,219 |
| Geography by Letter - I | 0 | - | 4.42 | 122,504 |
| Geography by Letter - K | 0 | - | 4.54 | 118,858 |
| Geography by Letter - L | 0 | - | 4.44 | 149,314 |
| Geography by Letter - M | 0 | - | 4.49 | 119,241 |
| Geography by Letter - N | 0 | - | 4.51 | 127,706 |
| Geography by Letter - P | 0 | - | 4.47 | 176,622 |
| Geography by Letter - R | 0 | - | 4.43 | 132,322 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 141,150 |
| Geography by Letter - U | 0 | - | 4.53 | 143,650 |
| Asian Geography By Letter - K | 0 | - | 4.75 | 58,271 |
| Geography Containing the Letter X | 0 | - | 4.42 | 34,734 |
| Geography Containing the Letter Q | 0 | - | 4.56 | 43,105 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,473 |
| Geography A-Z #2 | 0 | - | 4.46 | 53,057 |
| Geography A-Z #5 | 0 | - | 4.44 | 37,459 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,721 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,503 |
| Movies that Start with G | 0 | - | 4.49 | 68,728 |
| Movies that Start with I | 0 | - | 4.41 | 65,332 |
| Former Countries by Territory Map | 0 | - | 4.96 | 103,374 |
| Empires by Maps | 0 | - | 4.98 | 121,319 |
| Ultimate 20th Century History Quiz | 0 | - | 4.87 | 53,973 |
| Famous Battles Quiz | 0 | - | 4.21 | 49,072 |
| Name the War | 0 | - | 4.37 | 202,548 |
| Famous U.S. Generals | 0 | - | 4.27 | 38,603 |
| Famous Firsts #1 | 0 | - | 4.40 | 69,379 |
| Famous Families #1 | 0 | - | 4.20 | 83,690 |
| Names for Warriors | 0 | - | 4.40 | 37,016 |
| Famous Firsts #2 | 0 | - | 4.01 | 81,366 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,515 |
| People in History A-Z #4 | 0 | - | 4.11 | 23,144 |
| Countries by Military Spending | 0 | - | 4.93 | 178,672 |
| Classic Novels by Plot #2 | 0 | - | 4.87 | 38,434 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 121,377 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,613 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,673 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,886 |
| WWII A-Z #1 | 0 | - | 4.73 | 103,212 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,798 |
| People in History by Wikipedia Descriptions #1 | 0 | - | 4.42 | 44,433 |
| People in History by Wikipedia Descriptions #2 | 0 | - | 4.42 | 39,526 |
| People in History by Wikipedia Descriptions #3 | 0 | - | 4.50 | 36,736 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,322,116 |
| Animals that Start with L | 0 | - | 4.47 | 102,319 |
| Animals that Start with P | 0 | - | 4.45 | 86,370 |
| Animals that Start with S | 0 | - | 4.49 | 87,573 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 90,857 |
| Geography by Letter on the World Map - C | 0 | - | 4.77 | 118,261 |
| World Cities A-Z by Clue #1 | 0 | - | 4.51 | 68,549 |
| Islands A-Z | 0 | - | 4.46 | 126,497 |
| World Cities A-Z by Clue #2 | 0 | - | 4.41 | 59,396 |
| Human Body A-Z | 0 | - | 4.51 | 129,485 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 42,781 |
| Africa A-Z | 0 | - | 4.57 | 46,726 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.70 | 58,089 |
| Ethnic Groups A-Z | 0 | - | 4.51 | 42,427 |
| Space Exploration Trivia | 0 | - | 4.38 | 35,433 |
| Military History A-Z | 0 | - | 4.20 | 21,219 |
| Famous Generals - Non U.S. | 0 | - | 4.59 | 15,198 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,396 |
| Brand Logos That Start With D | 0 | - | 4.36 | 61,943 |
| Brand Logos That Start With C | 0 | - | 4.20 | 49,954 |
| Brand Logos That Start With L | 0 | - | 4.39 | 61,634 |
| Brand Logos That Start With M | 0 | - | 4.38 | 63,258 |
| Brand Logos That Start With S | 0 | - | 4.37 | 58,036 |
| Disney A-Z | 0 | - | 4.37 | 87,371 |
| Literature by Letter - A | 0 | - | 4.24 | 32,285 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,368 |
| Companies A-Z | 0 | - | 4.30 | 42,746 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,697 |
| Geography by Letter - G | 0 | - | 4.33 | 126,825 |
| Geography by Letter - F | 0 | - | 4.28 | 138,546 |
| Geography by Letter - J | 0 | - | 4.35 | 123,424 |
| Geography by Letter - O | 0 | - | 4.37 | 130,242 |
| Geography by Letter - V | 0 | - | 4.39 | 122,300 |
| Geography by Letter - W | 0 | - | 4.39 | 115,260 |
| Geography by Letter - Y | 0 | - | 4.39 | 111,954 |
| Geography by Letter - Z | 0 | - | 4.11 | 81,994 |
| Geography by Letter - Q | 0 | - | 4.38 | 69,888 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.15 | 35,340 |
| Geography Containing the Letter Z | 0 | - | 4.49 | 27,933 |
| Video Games A-Z | 0 | - | 4.05 | 39,154 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,349 |
| Movies that Start with A | 0 | - | 4.13 | 62,058 |
| Movies that Start with C | 0 | - | 4.30 | 62,050 |
| Movies that Start with B | 0 | - | 4.36 | 85,614 |
| Movies that Start with D | 0 | - | 4.34 | 68,597 |
| Movies that Start with E | 0 | - | 4.13 | 68,535 |
| Movies that Start with J | 0 | - | 4.18 | 76,347 |
| Movies that Start with L | 0 | - | 4.16 | 60,548 |
| Movies that Start with M | 0 | - | 4.28 | 48,350 |
| Movies that Start with N | 0 | - | 4.02 | 41,346 |
| Movies that Start with P | 0 | - | 4.25 | 54,246 |
| Movies that Start with R | 0 | - | 4.17 | 46,760 |
| Movies that Start with W | 0 | - | 4.07 | 44,341 |
| Movies that Start with T | 0 | - | 4.34 | 49,412 |
| Movies that Start with S | 0 | - | 4.35 | 56,589 |
| Movies that Start with F | 0 | - | 4.13 | 69,018 |
| Music by Letter - F | 0 | - | 4.47 | 27,086 |
| Music by Letter - A | 0 | - | 4.61 | 31,478 |
| Influential Women in History | 0 | - | 4.42 | 36,190 |
| Metals of Antiquity | 0 | - | 4.95 | 93,723 |
| Cradles of Civilization | 0 | - | 4.46 | 40,141 |
| Materials From History #1 | 0 | - | 4.56 | 51,923 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,962 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 709,270 |
| WWI... or WWII? | 0 | - | 4.85 | 142,918 |
| Oldest Things | 0 | - | 3.92 | 65,690 |
| Famous Homes - Who Lived There? | 0 | - | 4.09 | 26,845 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 146,340 |
| Famous Explorers | 0 | - | 4.58 | 36,283 |
| Famous Empires by Description | 0 | - | 4.73 | 118,807 |
| Answers by Time Period | 0 | - | 4.64 | 55,776 |
| Famous Firsts #3 - The United States | 0 | - | 4.19 | 14,910 |
| Years in History #1 - Multiple Choice | 0 | - | 4.82 | 70,489 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 158,027 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 67,331 |
| Middle East A-Z | 0 | - | 4.47 | 46,195 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.46 | 44,471 |
| Google What's the Difference? - History | 0 | - | 4.20 | 46,326 |
| Notable People of WWII | 0 | - | 4.53 | 86,081 |
| WWII Trivia #2 | 0 | - | 4.52 | 104,388 |
| World War I Quiz | 0 | - | 4.78 | 101,557 |
| WWI A-Z | 0 | - | 4.51 | 38,499 |
| Most Important People in History | 0 | - | 3.98 | 50,874 |
| People in History by Wikipedia Descriptions #4 | 0 | - | 4.41 | 30,772 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 92,545 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 182,701 |
| Star Wars A-Z | 0 | - | 4.46 | 88,594 |
| Monarchies of the World | 0 | - | 4.94 | 169,633 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.92 | 113,538 |
