| History by Letter - B | 0 | - | 4.45 | 172,173 |
| History by Letter - C | 0 | - | 4.70 | 171,449 |
| History by Letter - E | 0 | - | 4.51 | 140,582 |
| History by Letter - H | 0 | - | 4.45 | 136,559 |
| History by Letter - J | 0 | - | 4.51 | 154,003 |
| History by Letter - N | 0 | - | 4.45 | 104,069 |
| History by Letter - S | 0 | - | 4.47 | 94,359 |
| History by Letter - W | 0 | - | 4.45 | 109,521 |
| History by Letter - M | 0 | - | 4.54 | 119,834 |
| History by Letter - K | 0 | - | 4.50 | 101,352 |
| History by Letter - L | 0 | - | 4.50 | 112,068 |
| History by Letter - I | 0 | - | 4.46 | 104,208 |
| History by Letter - D | 0 | - | 4.40 | 137,738 |
| History by Letter - F | 0 | - | 4.18 | 114,247 |
| History by Letter - O | 0 | - | 4.32 | 99,504 |
| History by Letter - P | 0 | - | 4.39 | 107,851 |
| History by Letter - Q | 0 | - | 4.34 | 80,336 |
| History by Letter - R | 0 | - | 4.26 | 122,191 |
| History by Letter - T | 0 | - | 4.39 | 105,282 |
| History by Letter - U | 0 | - | 4.19 | 100,786 |
| History by Letter - V | 0 | - | 4.27 | 80,766 |
| History by Letter - Y | 0 | - | 4.27 | 87,286 |
| History by Letter - Z | 0 | - | 4.20 | 77,058 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,226 |
| History Containing the Letter X | 0 | - | 4.47 | 27,028 |
| History Containing the Letter Z | 0 | - | 4.53 | 23,428 |
| Empires A-Z | 0 | - | 4.52 | 45,113 |
| Same Start and End Letter - History #1 | 0 | - | 4.18 | 24,733 |
| Same Start and End Letter - History #2 | 0 | - | 4.13 | 25,652 |
| History Ending in Z | 0 | - | 4.35 | 13,519 |
| Countries that Start with a Vowel | 0 | - | 4.99 | 130,096 |
| Geography by Letter - T | 0 | - | 4.84 | 153,799 |
| People in History A-Z #1 | 0 | - | 4.63 | 98,964 |
| People in History A-Z #2 | 0 | - | 4.47 | 55,075 |
| People in History A-Z #3 | 0 | - | 4.44 | 46,159 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.89 | 82,124 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 107,821 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 153,269 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 195,220 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 169,960 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 191,860 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 300,330 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 180,289 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,662 |
| 20th Century A-Z | 0 | - | 4.50 | 53,679 |
| 19th Century A-Z | 0 | - | 4.77 | 47,248 |
| 18th Century A-Z | 0 | - | 4.54 | 43,135 |
| "Second Best" History Edition | 0 | - | 4.94 | 62,816 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 74,009 |
| Countries That Were Invaded | 0 | - | 4.55 | 97,350 |
| People in History A-Z #5 | 0 | - | 4.09 | 31,932 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 236,457 |
| Name an Official Language A-Z | 0 | - | 4.91 | 175,784 |
| People Depicted in Paintings | 0 | - | 4.54 | 44,596 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,380 |
| Territory Changes in World War I | 0 | - | 4.87 | 46,677 |
| 16th Century A-Z | 0 | - | 4.58 | 24,870 |
| 15th Century A-Z | 0 | - | 4.49 | 23,903 |
| 14th Century A-Z | 0 | - | 4.41 | 24,342 |
| 17th Century A-Z | 0 | - | 4.78 | 34,605 |
| NATO Military Alphabet | 0 | - | 4.98 | 558,735 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.81 | 801,500 |
| Religion A-Z #2 | 0 | - | 4.41 | 36,975 |
| Geography by Letter - A | 0 | - | 4.74 | 211,539 |
| Geography by Letter - B | 0 | - | 4.56 | 184,587 |
| Geography by Letter - H | 0 | - | 4.69 | 150,302 |
| Geography by Letter - C | 0 | - | 4.47 | 158,675 |
| Geography by Letter - D | 0 | - | 4.50 | 150,503 |
| Geography by Letter - E | 0 | - | 4.42 | 147,589 |
| Geography by Letter - I | 0 | - | 4.42 | 122,006 |
| Geography by Letter - K | 0 | - | 4.53 | 118,346 |
| Geography by Letter - L | 0 | - | 4.43 | 148,510 |
| Geography by Letter - M | 0 | - | 4.49 | 118,632 |
| Geography by Letter - N | 0 | - | 4.51 | 127,197 |
| Geography by Letter - P | 0 | - | 4.47 | 176,012 |
| Geography by Letter - R | 0 | - | 4.43 | 131,596 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 140,530 |
| Geography by Letter - U | 0 | - | 4.53 | 143,059 |
| Asian Geography By Letter - K | 0 | - | 4.74 | 58,132 |
| Geography Containing the Letter X | 0 | - | 4.42 | 34,625 |
| Geography Containing the Letter Q | 0 | - | 4.55 | 42,859 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,295 |
| Geography A-Z #2 | 0 | - | 4.46 | 52,886 |
| Geography A-Z #5 | 0 | - | 4.44 | 37,344 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,557 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,181 |
| Movies that Start with G | 0 | - | 4.49 | 68,487 |
| Movies that Start with I | 0 | - | 4.41 | 65,127 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,126 |
| Brand Logos That Start With M | 0 | - | 4.45 | 62,616 |
| Former Countries by Territory Map | 0 | - | 4.96 | 102,613 |
| Empires by Maps | 0 | - | 4.98 | 120,078 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,629 |
| Famous Battles Quiz | 0 | - | 4.21 | 48,963 |
| Name the War | 0 | - | 4.37 | 201,494 |
| Famous U.S. Generals | 0 | - | 4.27 | 38,523 |
| Famous Firsts #1 | 0 | - | 4.40 | 69,024 |
| Famous Families #1 | 0 | - | 4.20 | 83,579 |
| Names for Warriors | 0 | - | 4.40 | 36,908 |
| Famous Firsts #2 | 0 | - | 4.01 | 81,009 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,339 |
| People in History A-Z #4 | 0 | - | 4.11 | 23,017 |
| Countries by Military Spending | 0 | - | 4.93 | 177,440 |
| Classic Novels by Plot #2 | 0 | - | 4.87 | 37,944 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 120,475 |
| Name a Minecraft Mob A-Z | 0 | - | 4.87 | 42,567 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,991 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,195 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,710 |
| WWII A-Z #1 | 0 | - | 4.78 | 102,876 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,613 |
| People in History by Wikipedia Descriptions #1 | 0 | - | 4.42 | 44,338 |
| People in History by Wikipedia Descriptions #2 | 0 | - | 4.42 | 39,453 |
| People in History by Wikipedia Descriptions #3 | 0 | - | 4.50 | 36,670 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,314,372 |
| Animals that Start with L | 0 | - | 4.47 | 101,793 |
| Animals that Start with P | 0 | - | 4.45 | 86,033 |
| Animals that Start with S | 0 | - | 4.49 | 87,236 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 90,314 |
| Geography by Letter on the World Map - C | 0 | - | 4.79 | 117,391 |
| World Cities A-Z by Clue #1 | 0 | - | 4.51 | 67,987 |
| Islands A-Z | 0 | - | 4.45 | 123,242 |
| Human Body A-Z | 0 | - | 4.51 | 129,074 |
| Asian Cities A-Z by Clue | 0 | - | 4.49 | 35,445 |
| Animals A-Z #1 | 0 | - | 4.41 | 93,518 |
| Africa A-Z | 0 | - | 4.57 | 46,575 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.69 | 57,616 |
| Ethnic Groups A-Z | 0 | - | 4.51 | 42,243 |
| Space Exploration Trivia | 0 | - | 4.38 | 35,334 |
| Military History A-Z | 0 | - | 4.20 | 21,143 |
| Famous Generals - Non U.S. | 0 | - | 4.59 | 15,126 |
| Disney A-Z | 0 | - | 4.37 | 86,995 |
| Literature by Letter - A | 0 | - | 4.23 | 31,995 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,211 |
| Companies A-Z | 0 | - | 4.30 | 42,687 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,614 |
| Geography by Letter - G | 0 | - | 4.33 | 126,281 |
| Geography by Letter - F | 0 | - | 4.27 | 137,822 |
| Geography by Letter - J | 0 | - | 4.34 | 122,906 |
| Geography by Letter - O | 0 | - | 4.37 | 129,731 |
| Geography by Letter - V | 0 | - | 4.39 | 121,731 |
| Geography by Letter - W | 0 | - | 4.39 | 114,840 |
| Geography by Letter - Y | 0 | - | 4.39 | 111,486 |
| Geography by Letter - Z | 0 | - | 4.11 | 81,649 |
| Geography by Letter - Q | 0 | - | 4.38 | 69,470 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.15 | 35,239 |
| Geography Containing the Letter Z | 0 | - | 4.49 | 27,842 |
| Video Games A-Z | 0 | - | 4.08 | 38,943 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,227 |
| Movies that Start with A | 0 | - | 4.13 | 61,839 |
| Movies that Start with C | 0 | - | 4.30 | 61,809 |
| Movies that Start with B | 0 | - | 4.36 | 85,171 |
| Movies that Start with D | 0 | - | 4.34 | 68,405 |
| Movies that Start with E | 0 | - | 4.13 | 68,338 |
| Movies that Start with J | 0 | - | 4.18 | 76,126 |
| Movies that Start with L | 0 | - | 4.16 | 60,391 |
| Movies that Start with M | 0 | - | 4.28 | 48,204 |
| Movies that Start with N | 0 | - | 4.02 | 41,234 |
| Movies that Start with P | 0 | - | 4.25 | 54,134 |
| Movies that Start with R | 0 | - | 4.17 | 46,616 |
| Movies that Start with W | 0 | - | 4.07 | 44,247 |
| Movies that Start with T | 0 | - | 4.34 | 49,271 |
| Movies that Start with S | 0 | - | 4.35 | 56,442 |
| Movies that Start with F | 0 | - | 4.13 | 68,818 |
| Music by Letter - F | 0 | - | 4.48 | 26,978 |
| Music by Letter - A | 0 | - | 4.61 | 31,349 |
| Brand Logos That Start With B | 0 | - | 4.38 | 59,864 |
| Brand Logos That Start With D | 0 | - | 4.37 | 61,412 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,564 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,987 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,452 |
| Influential Women in History | 0 | - | 4.42 | 35,518 |
| Metals of Antiquity | 0 | - | 4.95 | 93,342 |
| Cradles of Civilization | 0 | - | 4.46 | 39,575 |
| Materials From History #1 | 0 | - | 4.56 | 51,491 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,614 |
| History: What Came First? #1 | 0 | - | 4.87 | 105,114 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 706,793 |
| WWI... or WWII? | 0 | - | 4.85 | 141,952 |
| Oldest Things | 0 | - | 3.92 | 65,648 |
| Famous Homes - Who Lived There? | 0 | - | 4.09 | 26,813 |
| Biggest Nations and Empires Ever | 0 | - | 4.52 | 145,766 |
| Famous Explorers | 0 | - | 4.58 | 36,127 |
| Famous Empires by Description | 0 | - | 4.73 | 118,353 |
| Answers by Time Period | 0 | - | 4.63 | 55,524 |
| Famous Firsts #3 - The United States | 0 | - | 4.19 | 14,636 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 70,209 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 156,903 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 67,083 |
| Middle East A-Z | 0 | - | 4.47 | 45,981 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,326 |
| Google What's the Difference? - History | 0 | - | 4.20 | 46,201 |
| Notable People of WWII | 0 | - | 4.53 | 85,857 |
| WWII Trivia #2 | 0 | - | 4.52 | 103,886 |
| World War I Quiz | 0 | - | 4.78 | 101,162 |
| WWI A-Z | 0 | - | 4.50 | 38,282 |
| Most Important People in History | 0 | - | 3.97 | 50,656 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 90,941 |
| Countries with the Least Dense Road Networks | 0 | - | 4.81 | 41,514 |
| Star Wars A-Z | 0 | - | 4.46 | 88,078 |
