| History by Letter - B | 0 | - | 4.45 | 172,821 |
| History by Letter - C | 0 | - | 4.70 | 172,130 |
| History by Letter - E | 0 | - | 4.51 | 141,112 |
| History by Letter - G | 0 | - | 4.46 | 122,565 |
| History by Letter - H | 0 | - | 4.45 | 137,202 |
| History by Letter - J | 0 | - | 4.51 | 154,572 |
| History by Letter - N | 0 | - | 4.45 | 104,418 |
| History by Letter - S | 0 | - | 4.47 | 94,724 |
| History by Letter - W | 0 | - | 4.45 | 109,932 |
| History by Letter - M | 0 | - | 4.54 | 120,236 |
| History by Letter - L | 0 | - | 4.50 | 112,491 |
| History by Letter - I | 0 | - | 4.46 | 104,753 |
| History by Letter - D | 0 | - | 4.40 | 138,242 |
| History by Letter - F | 0 | - | 4.18 | 114,817 |
| History by Letter - O | 0 | - | 4.32 | 99,820 |
| History by Letter - P | 0 | - | 4.36 | 108,184 |
| History by Letter - Q | 0 | - | 4.34 | 80,580 |
| History by Letter - R | 0 | - | 4.26 | 122,541 |
| History by Letter - T | 0 | - | 4.39 | 105,582 |
| History by Letter - U | 0 | - | 4.19 | 101,097 |
| History by Letter - V | 0 | - | 4.27 | 81,026 |
| History by Letter - Y | 0 | - | 4.27 | 87,542 |
| History by Letter - Z | 0 | - | 4.20 | 77,278 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,297 |
| History Containing the Letter X | 0 | - | 4.47 | 27,105 |
| History Containing the Letter Z | 0 | - | 4.53 | 23,495 |
| Empires A-Z | 0 | - | 4.52 | 45,314 |
| Same Start and End Letter - History #1 | 0 | - | 4.18 | 24,771 |
| Same Start and End Letter - History #2 | 0 | - | 4.13 | 25,732 |
| History Ending in Z | 0 | - | 4.35 | 13,560 |
| Countries that Start with a Vowel | 0 | - | 4.99 | 154,404 |
| Geography by Letter - T | 0 | - | 4.84 | 154,582 |
| People in History A-Z #1 | 0 | - | 4.63 | 99,239 |
| People in History A-Z #2 | 0 | - | 4.47 | 55,247 |
| People in History A-Z #3 | 0 | - | 4.44 | 46,283 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.87 | 82,645 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 108,464 |
| Southernmost Countries A-Z | 0 | - | 4.95 | 153,853 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 196,187 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 170,615 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 192,936 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 301,437 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 180,850 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 73,196 |
| 20th Century A-Z | 0 | - | 4.50 | 53,862 |
| 19th Century A-Z | 0 | - | 4.77 | 47,384 |
| 18th Century A-Z | 0 | - | 4.54 | 43,250 |
| "Second Best" History Edition | 0 | - | 4.94 | 63,641 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 74,259 |
| Countries That Were Invaded | 0 | - | 4.55 | 97,625 |
| People in History A-Z #5 | 0 | - | 4.09 | 32,020 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 237,908 |
| Name an Official Language A-Z | 0 | - | 4.91 | 176,433 |
| People Depicted in Paintings | 0 | - | 4.55 | 44,740 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,537 |
| Territory Changes in World War I | 0 | - | 4.87 | 46,958 |
| 16th Century A-Z | 0 | - | 4.58 | 24,958 |
| 15th Century A-Z | 0 | - | 4.49 | 23,972 |
| 14th Century A-Z | 0 | - | 4.41 | 24,444 |
| 17th Century A-Z | 0 | - | 4.78 | 34,698 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,756 |
| NATO Military Alphabet | 0 | - | 4.98 | 562,127 |
| Religion A-Z #2 | 0 | - | 4.41 | 37,060 |
| Geography by Letter - A | 0 | - | 4.74 | 212,280 |
| Geography by Letter - B | 0 | - | 4.56 | 185,297 |
| Geography by Letter - H | 0 | - | 4.69 | 150,867 |
| Geography by Letter - C | 0 | - | 4.48 | 159,289 |
| Geography by Letter - D | 0 | - | 4.50 | 151,299 |
| Geography by Letter - E | 0 | - | 4.42 | 148,141 |
| Geography by Letter - I | 0 | - | 4.42 | 122,427 |
| Geography by Letter - K | 0 | - | 4.54 | 118,784 |
| Geography by Letter - L | 0 | - | 4.44 | 149,217 |
| Geography by Letter - M | 0 | - | 4.49 | 119,079 |
| Geography by Letter - N | 0 | - | 4.51 | 127,626 |
| Geography by Letter - P | 0 | - | 4.47 | 176,516 |
| Geography by Letter - R | 0 | - | 4.43 | 132,203 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 141,048 |
| Geography by Letter - U | 0 | - | 4.53 | 143,568 |
| Asian Geography By Letter - K | 0 | - | 4.75 | 58,258 |
| Geography Containing the Letter X | 0 | - | 4.42 | 34,722 |
| Geography Containing the Letter Q | 0 | - | 4.56 | 43,072 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,444 |
| Geography A-Z #2 | 0 | - | 4.46 | 53,027 |
| Geography A-Z #5 | 0 | - | 4.44 | 37,439 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,700 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,480 |
| Movies that Start with G | 0 | - | 4.49 | 68,702 |
| Movies that Start with I | 0 | - | 4.41 | 65,301 |
| Former Countries by Territory Map | 0 | - | 4.96 | 103,262 |
| Empires by Maps | 0 | - | 4.98 | 121,144 |
| Ultimate 20th Century History Quiz | 0 | - | 4.87 | 53,930 |
| Famous Battles Quiz | 0 | - | 4.21 | 49,058 |
| Name the War | 0 | - | 4.37 | 202,473 |
| Famous U.S. Generals | 0 | - | 4.27 | 38,590 |
| Famous Firsts #1 | 0 | - | 4.40 | 69,343 |
| Famous Families #1 | 0 | - | 4.20 | 83,670 |
| Names for Warriors | 0 | - | 4.40 | 36,997 |
| Famous Firsts #2 | 0 | - | 4.01 | 81,334 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,496 |
| People in History A-Z #4 | 0 | - | 4.11 | 23,094 |
| Countries by Military Spending | 0 | - | 4.93 | 178,550 |
| Classic Novels by Plot #2 | 0 | - | 4.86 | 38,378 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 121,290 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,557 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,626 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,869 |
| WWII A-Z #1 | 0 | - | 4.73 | 103,169 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,778 |
| People in History by Wikipedia Descriptions #1 | 0 | - | 4.42 | 44,421 |
| People in History by Wikipedia Descriptions #2 | 0 | - | 4.42 | 39,515 |
| People in History by Wikipedia Descriptions #3 | 0 | - | 4.50 | 36,724 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,321,109 |
| Animals that Start with L | 0 | - | 4.47 | 102,295 |
| Animals that Start with P | 0 | - | 4.45 | 86,340 |
| Animals that Start with S | 0 | - | 4.49 | 87,545 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 90,787 |
| Geography by Letter on the World Map - C | 0 | - | 4.77 | 118,180 |
| World Cities A-Z by Clue #1 | 0 | - | 4.51 | 68,503 |
| Islands A-Z | 0 | - | 4.46 | 126,157 |
| World Cities A-Z by Clue #2 | 0 | - | 4.41 | 59,357 |
| Human Body A-Z | 0 | - | 4.51 | 129,447 |
| Asian Cities A-Z by Clue | 0 | - | 4.51 | 42,649 |
| Africa A-Z | 0 | - | 4.57 | 46,710 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.70 | 58,040 |
| Ethnic Groups A-Z | 0 | - | 4.51 | 42,402 |
| Space Exploration Trivia | 0 | - | 4.38 | 35,424 |
| Military History A-Z | 0 | - | 4.20 | 21,199 |
| Famous Generals - Non U.S. | 0 | - | 4.59 | 15,187 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,326 |
| Brand Logos That Start With D | 0 | - | 4.36 | 61,871 |
| Brand Logos That Start With C | 0 | - | 4.20 | 49,894 |
| Brand Logos That Start With L | 0 | - | 4.39 | 61,535 |
| Brand Logos That Start With M | 0 | - | 4.40 | 63,179 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,967 |
| Disney A-Z | 0 | - | 4.37 | 87,320 |
| Literature by Letter - A | 0 | - | 4.24 | 32,258 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,359 |
| Companies A-Z | 0 | - | 4.30 | 42,736 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,691 |
| Geography by Letter - G | 0 | - | 4.33 | 126,746 |
| Geography by Letter - F | 0 | - | 4.28 | 138,459 |
| Geography by Letter - J | 0 | - | 4.35 | 123,337 |
| Geography by Letter - O | 0 | - | 4.37 | 130,171 |
| Geography by Letter - V | 0 | - | 4.39 | 122,202 |
| Geography by Letter - W | 0 | - | 4.39 | 115,197 |
| Geography by Letter - Y | 0 | - | 4.39 | 111,897 |
| Geography by Letter - Z | 0 | - | 4.11 | 81,944 |
| Geography by Letter - Q | 0 | - | 4.38 | 69,814 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.15 | 35,323 |
| Geography Containing the Letter Z | 0 | - | 4.49 | 27,919 |
| Video Games A-Z | 0 | - | 4.05 | 39,125 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,334 |
| Movies that Start with A | 0 | - | 4.13 | 62,036 |
| Movies that Start with C | 0 | - | 4.30 | 62,024 |
| Movies that Start with B | 0 | - | 4.36 | 85,588 |
| Movies that Start with D | 0 | - | 4.34 | 68,578 |
| Movies that Start with E | 0 | - | 4.13 | 68,511 |
| Movies that Start with J | 0 | - | 4.18 | 76,305 |
| Movies that Start with L | 0 | - | 4.16 | 60,527 |
| Movies that Start with M | 0 | - | 4.28 | 48,332 |
| Movies that Start with N | 0 | - | 4.02 | 41,333 |
| Movies that Start with P | 0 | - | 4.25 | 54,232 |
| Movies that Start with R | 0 | - | 4.17 | 46,740 |
| Movies that Start with W | 0 | - | 4.07 | 44,325 |
| Movies that Start with T | 0 | - | 4.34 | 49,396 |
| Movies that Start with S | 0 | - | 4.35 | 56,571 |
| Movies that Start with F | 0 | - | 4.13 | 68,996 |
| Music by Letter - F | 0 | - | 4.48 | 27,067 |
| Music by Letter - A | 0 | - | 4.61 | 31,461 |
| Influential Women in History | 0 | - | 4.42 | 36,159 |
| Metals of Antiquity | 0 | - | 4.95 | 93,669 |
| Cradles of Civilization | 0 | - | 4.46 | 40,114 |
| Materials From History #1 | 0 | - | 4.56 | 51,889 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,921 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 708,945 |
| WWI... or WWII? | 0 | - | 4.85 | 142,770 |
| Oldest Things | 0 | - | 3.92 | 65,683 |
| Famous Homes - Who Lived There? | 0 | - | 4.09 | 26,838 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 146,290 |
| Famous Explorers | 0 | - | 4.58 | 36,273 |
| Famous Empires by Description | 0 | - | 4.73 | 118,740 |
| Answers by Time Period | 0 | - | 4.64 | 55,741 |
| Famous Firsts #3 - The United States | 0 | - | 4.19 | 14,879 |
| Years in History #1 - Multiple Choice | 0 | - | 4.82 | 70,457 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 157,861 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 67,290 |
| Middle East A-Z | 0 | - | 4.47 | 46,177 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.46 | 44,455 |
| Google What's the Difference? - History | 0 | - | 4.20 | 46,310 |
| Notable People of WWII | 0 | - | 4.53 | 86,056 |
| WWII Trivia #2 | 0 | - | 4.52 | 104,355 |
| World War I Quiz | 0 | - | 4.78 | 101,508 |
| WWI A-Z | 0 | - | 4.51 | 38,469 |
| Most Important People in History | 0 | - | 3.98 | 50,839 |
| People in History by Wikipedia Descriptions #4 | 0 | - | 4.41 | 30,762 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 92,348 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 182,264 |
| Star Wars A-Z | 0 | - | 4.46 | 88,514 |
| Monarchies of the World | 0 | - | 4.94 | 169,466 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.92 | 113,442 |
