| History by Letter - B | 0 | - | 4.45 | 172,040 |
| History by Letter - C | 0 | - | 4.70 | 171,318 |
| History by Letter - E | 0 | - | 4.51 | 140,481 |
| History by Letter - G | 0 | - | 4.46 | 121,998 |
| History by Letter - H | 0 | - | 4.45 | 136,455 |
| History by Letter - J | 0 | - | 4.51 | 153,907 |
| History by Letter - N | 0 | - | 4.45 | 104,000 |
| History by Letter - S | 0 | - | 4.47 | 94,296 |
| History by Letter - W | 0 | - | 4.45 | 109,251 |
| History by Letter - M | 0 | - | 4.54 | 119,758 |
| History by Letter - K | 0 | - | 4.50 | 101,281 |
| History by Letter - L | 0 | - | 4.50 | 112,007 |
| History by Letter - I | 0 | - | 4.46 | 104,135 |
| History by Letter - D | 0 | - | 4.39 | 137,452 |
| History by Letter - F | 0 | - | 4.18 | 114,157 |
| History by Letter - O | 0 | - | 4.32 | 99,447 |
| History by Letter - P | 0 | - | 4.39 | 107,790 |
| History by Letter - Q | 0 | - | 4.34 | 80,283 |
| History by Letter - T | 0 | - | 4.39 | 105,216 |
| History by Letter - U | 0 | - | 4.19 | 100,736 |
| History by Letter - V | 0 | - | 4.27 | 80,713 |
| History by Letter - Y | 0 | - | 4.27 | 87,227 |
| History by Letter - Z | 0 | - | 4.20 | 76,999 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,220 |
| History Containing the Letter X | 0 | - | 4.47 | 27,022 |
| History Containing the Letter Z | 0 | - | 4.53 | 23,423 |
| Empires A-Z | 0 | - | 4.52 | 45,090 |
| Same Start and End Letter - History #1 | 0 | - | 4.17 | 24,728 |
| Same Start and End Letter - History #2 | 0 | - | 4.13 | 25,642 |
| History Ending in Z | 0 | - | 4.35 | 13,515 |
| Countries that Start with a Vowel | 0 | - | 4.99 | 129,973 |
| Geography by Letter - T | 0 | - | 4.84 | 153,676 |
| People in History A-Z #1 | 0 | - | 4.63 | 98,934 |
| People in History A-Z #2 | 0 | - | 4.47 | 55,053 |
| People in History A-Z #3 | 0 | - | 4.44 | 46,145 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.89 | 82,042 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 107,746 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 153,202 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 195,120 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 169,886 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 191,753 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 300,228 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 180,211 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,603 |
| 20th Century A-Z | 0 | - | 4.50 | 53,637 |
| 19th Century A-Z | 0 | - | 4.77 | 47,218 |
| 18th Century A-Z | 0 | - | 4.54 | 43,105 |
| "Second Best" History Edition | 0 | - | 4.94 | 62,745 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 73,982 |
| Countries That Were Invaded | 0 | - | 4.55 | 97,309 |
| People in History A-Z #5 | 0 | - | 4.09 | 31,920 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 236,307 |
| Name an Official Language A-Z | 0 | - | 4.91 | 175,691 |
| People Depicted in Paintings | 0 | - | 4.54 | 44,581 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,363 |
| Territory Changes in World War I | 0 | - | 4.87 | 46,644 |
| 16th Century A-Z | 0 | - | 4.58 | 24,847 |
| 15th Century A-Z | 0 | - | 4.49 | 23,888 |
| 14th Century A-Z | 0 | - | 4.41 | 24,321 |
| 17th Century A-Z | 0 | - | 4.78 | 34,590 |
| NATO Military Alphabet | 0 | - | 4.98 | 558,338 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.81 | 801,235 |
| Religion A-Z #2 | 0 | - | 4.41 | 36,967 |
| Geography by Letter - A | 0 | - | 4.74 | 211,428 |
| Geography by Letter - B | 0 | - | 4.56 | 184,478 |
| Geography by Letter - H | 0 | - | 4.69 | 150,191 |
| Geography by Letter - C | 0 | - | 4.47 | 158,562 |
| Geography by Letter - D | 0 | - | 4.50 | 150,416 |
| Geography by Letter - E | 0 | - | 4.42 | 147,498 |
| Geography by Letter - I | 0 | - | 4.42 | 121,928 |
| Geography by Letter - K | 0 | - | 4.53 | 118,022 |
| Geography by Letter - L | 0 | - | 4.43 | 148,420 |
| Geography by Letter - M | 0 | - | 4.49 | 118,544 |
| Geography by Letter - N | 0 | - | 4.51 | 127,021 |
| Geography by Letter - P | 0 | - | 4.47 | 175,923 |
| Geography by Letter - R | 0 | - | 4.43 | 131,506 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 140,444 |
| Geography by Letter - U | 0 | - | 4.53 | 142,957 |
| Asian Geography By Letter - K | 0 | - | 4.74 | 58,120 |
| Geography Containing the Letter X | 0 | - | 4.42 | 34,608 |
| Geography Containing the Letter Q | 0 | - | 4.55 | 42,782 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,282 |
| Geography A-Z #2 | 0 | - | 4.46 | 52,867 |
| Geography A-Z #5 | 0 | - | 4.44 | 37,329 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,535 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,149 |
| Movies that Start with G | 0 | - | 4.49 | 68,468 |
| Movies that Start with I | 0 | - | 4.41 | 65,108 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,050 |
| Brand Logos That Start With M | 0 | - | 4.45 | 62,533 |
| Former Countries by Territory Map | 0 | - | 4.96 | 102,515 |
| Empires by Maps | 0 | - | 4.98 | 119,923 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,596 |
| Famous Battles Quiz | 0 | - | 4.21 | 48,954 |
| Name the War | 0 | - | 4.37 | 201,443 |
| Famous U.S. Generals | 0 | - | 4.27 | 38,517 |
| Famous Firsts #1 | 0 | - | 4.40 | 69,005 |
| Famous Families #1 | 0 | - | 4.20 | 83,559 |
| Names for Warriors | 0 | - | 4.40 | 36,897 |
| Famous Firsts #2 | 0 | - | 4.01 | 80,991 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,321 |
| People in History A-Z #4 | 0 | - | 4.11 | 23,009 |
| Countries by Military Spending | 0 | - | 4.93 | 177,341 |
| Classic Novels by Plot #2 | 0 | - | 4.87 | 37,893 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 120,389 |
| Name a Minecraft Mob A-Z | 0 | - | 4.87 | 42,482 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,939 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,149 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,693 |
| WWII A-Z #1 | 0 | - | 4.78 | 102,840 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,581 |
| People in History by Wikipedia Descriptions #1 | 0 | - | 4.42 | 44,332 |
| People in History by Wikipedia Descriptions #2 | 0 | - | 4.42 | 39,448 |
| People in History by Wikipedia Descriptions #3 | 0 | - | 4.50 | 36,666 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,313,633 |
| Animals that Start with L | 0 | - | 4.47 | 101,777 |
| Animals that Start with P | 0 | - | 4.45 | 86,014 |
| Animals that Start with S | 0 | - | 4.49 | 87,217 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 90,248 |
| Geography by Letter on the World Map - C | 0 | - | 4.79 | 117,323 |
| World Cities A-Z by Clue #1 | 0 | - | 4.50 | 67,912 |
| Islands A-Z | 0 | - | 4.46 | 121,731 |
| Human Body A-Z | 0 | - | 4.51 | 129,031 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 35,404 |
| Animals A-Z #1 | 0 | - | 4.41 | 93,164 |
| Africa A-Z | 0 | - | 4.57 | 46,565 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.69 | 57,557 |
| Ethnic Groups A-Z | 0 | - | 4.51 | 42,225 |
| Space Exploration Trivia | 0 | - | 4.38 | 35,323 |
| Military History A-Z | 0 | - | 4.20 | 21,135 |
| Famous Generals - Non U.S. | 0 | - | 4.59 | 15,114 |
| Disney A-Z | 0 | - | 4.37 | 86,961 |
| Literature by Letter - A | 0 | - | 4.23 | 31,934 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,175 |
| Companies A-Z | 0 | - | 4.30 | 42,682 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,602 |
| Geography by Letter - G | 0 | - | 4.35 | 126,192 |
| Geography by Letter - F | 0 | - | 4.27 | 137,758 |
| Geography by Letter - J | 0 | - | 4.34 | 122,818 |
| Geography by Letter - O | 0 | - | 4.37 | 129,655 |
| Geography by Letter - V | 0 | - | 4.39 | 121,653 |
| Geography by Letter - W | 0 | - | 4.39 | 114,776 |
| Geography by Letter - Y | 0 | - | 4.39 | 111,428 |
| Geography by Letter - Z | 0 | - | 4.11 | 81,595 |
| Geography by Letter - Q | 0 | - | 4.38 | 69,411 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.15 | 35,227 |
| Geography Containing the Letter Z | 0 | - | 4.49 | 27,828 |
| Video Games A-Z | 0 | - | 4.08 | 38,915 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,212 |
| Movies that Start with A | 0 | - | 4.13 | 61,821 |
| Movies that Start with C | 0 | - | 4.30 | 61,790 |
| Movies that Start with B | 0 | - | 4.36 | 85,146 |
| Movies that Start with D | 0 | - | 4.34 | 68,389 |
| Movies that Start with E | 0 | - | 4.13 | 68,319 |
| Movies that Start with J | 0 | - | 4.18 | 76,105 |
| Movies that Start with L | 0 | - | 4.16 | 60,375 |
| Movies that Start with M | 0 | - | 4.28 | 48,192 |
| Movies that Start with N | 0 | - | 4.02 | 41,225 |
| Movies that Start with P | 0 | - | 4.25 | 54,125 |
| Movies that Start with R | 0 | - | 4.17 | 46,603 |
| Movies that Start with W | 0 | - | 4.07 | 44,238 |
| Movies that Start with T | 0 | - | 4.34 | 49,258 |
| Movies that Start with S | 0 | - | 4.35 | 56,429 |
| Movies that Start with F | 0 | - | 4.13 | 68,804 |
| Music by Letter - F | 0 | - | 4.48 | 26,965 |
| Music by Letter - A | 0 | - | 4.61 | 31,336 |
| Brand Logos That Start With B | 0 | - | 4.38 | 59,808 |
| Brand Logos That Start With D | 0 | - | 4.37 | 61,349 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,505 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,912 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,396 |
| Influential Women in History | 0 | - | 4.42 | 35,494 |
| Metals of Antiquity | 0 | - | 4.94 | 93,289 |
| Cradles of Civilization | 0 | - | 4.46 | 39,544 |
| Materials From History #1 | 0 | - | 4.56 | 51,475 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,574 |
| History: What Came First? #1 | 0 | - | 4.87 | 105,049 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 706,576 |
| WWI... or WWII? | 0 | - | 4.85 | 141,854 |
| Oldest Things | 0 | - | 3.92 | 65,643 |
| Famous Homes - Who Lived There? | 0 | - | 4.09 | 26,811 |
| Biggest Nations and Empires Ever | 0 | - | 4.52 | 145,723 |
| Famous Explorers | 0 | - | 4.58 | 36,116 |
| Famous Empires by Description | 0 | - | 4.73 | 118,314 |
| Answers by Time Period | 0 | - | 4.63 | 55,508 |
| Famous Firsts #3 - The United States | 0 | - | 4.19 | 14,624 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 70,179 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 156,818 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 67,071 |
| Middle East A-Z | 0 | - | 4.47 | 45,971 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,304 |
| Google What's the Difference? - History | 0 | - | 4.20 | 46,188 |
| Notable People of WWII | 0 | - | 4.53 | 85,697 |
| WWII Trivia #2 | 0 | - | 4.52 | 103,855 |
| World War I Quiz | 0 | - | 4.78 | 101,128 |
| WWI A-Z | 0 | - | 4.50 | 38,260 |
| Most Important People in History | 0 | - | 3.98 | 50,634 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 90,709 |
| Star Wars A-Z | 0 | - | 4.46 | 88,023 |
| Monarchies of the World | 0 | - | 4.94 | 168,200 |
