| History by Letter - B | 0 | - | 4.45 | 172,357 |
| History by Letter - C | 0 | - | 4.70 | 171,640 |
| History by Letter - E | 0 | - | 4.51 | 140,735 |
| History by Letter - G | 0 | - | 4.46 | 122,234 |
| History by Letter - H | 0 | - | 4.45 | 136,839 |
| History by Letter - J | 0 | - | 4.51 | 154,151 |
| History by Letter - N | 0 | - | 4.45 | 104,158 |
| History by Letter - S | 0 | - | 4.47 | 94,461 |
| History by Letter - W | 0 | - | 4.45 | 109,630 |
| History by Letter - M | 0 | - | 4.54 | 119,938 |
| History by Letter - K | 0 | - | 4.50 | 101,443 |
| History by Letter - L | 0 | - | 4.50 | 112,170 |
| History by Letter - I | 0 | - | 4.46 | 104,320 |
| History by Letter - D | 0 | - | 4.40 | 137,878 |
| History by Letter - F | 0 | - | 4.18 | 114,526 |
| History by Letter - O | 0 | - | 4.32 | 99,586 |
| History by Letter - P | 0 | - | 4.39 | 107,935 |
| History by Letter - Q | 0 | - | 4.34 | 80,406 |
| History by Letter - R | 0 | - | 4.26 | 122,289 |
| History by Letter - T | 0 | - | 4.39 | 105,358 |
| History by Letter - U | 0 | - | 4.19 | 100,878 |
| History by Letter - V | 0 | - | 4.27 | 80,837 |
| History by Letter - Y | 0 | - | 4.27 | 87,350 |
| History by Letter - Z | 0 | - | 4.20 | 77,121 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,237 |
| History Containing the Letter X | 0 | - | 4.47 | 27,038 |
| History Containing the Letter Z | 0 | - | 4.53 | 23,441 |
| Empires A-Z | 0 | - | 4.52 | 45,139 |
| Same Start and End Letter - History #1 | 0 | - | 4.18 | 24,742 |
| Same Start and End Letter - History #2 | 0 | - | 4.13 | 25,669 |
| History Ending in Z | 0 | - | 4.35 | 13,526 |
| Countries that Start with a Vowel | 0 | - | 4.99 | 130,236 |
| Geography by Letter - T | 0 | - | 4.84 | 153,901 |
| People in History A-Z #1 | 0 | - | 4.63 | 99,010 |
| People in History A-Z #2 | 0 | - | 4.47 | 55,101 |
| People in History A-Z #3 | 0 | - | 4.44 | 46,177 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.89 | 82,187 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 107,894 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 153,310 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 195,304 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 170,012 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 191,969 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 300,438 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 180,381 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,707 |
| 20th Century A-Z | 0 | - | 4.50 | 53,711 |
| 19th Century A-Z | 0 | - | 4.77 | 47,274 |
| 18th Century A-Z | 0 | - | 4.54 | 43,161 |
| "Second Best" History Edition | 0 | - | 4.94 | 62,888 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 74,045 |
| Countries That Were Invaded | 0 | - | 4.55 | 97,391 |
| People in History A-Z #5 | 0 | - | 4.09 | 31,948 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 236,596 |
| Name an Official Language A-Z | 0 | - | 4.91 | 175,878 |
| People Depicted in Paintings | 0 | - | 4.54 | 44,622 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,400 |
| Territory Changes in World War I | 0 | - | 4.87 | 46,724 |
| 16th Century A-Z | 0 | - | 4.58 | 24,891 |
| 15th Century A-Z | 0 | - | 4.49 | 23,922 |
| 14th Century A-Z | 0 | - | 4.41 | 24,370 |
| 17th Century A-Z | 0 | - | 4.78 | 34,630 |
| NATO Military Alphabet | 0 | - | 4.98 | 559,422 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.81 | 802,095 |
| Religion A-Z #2 | 0 | - | 4.41 | 36,983 |
| Geography by Letter - A | 0 | - | 4.74 | 211,641 |
| Geography by Letter - B | 0 | - | 4.56 | 184,676 |
| Geography by Letter - H | 0 | - | 4.69 | 150,364 |
| Geography by Letter - C | 0 | - | 4.47 | 158,763 |
| Geography by Letter - D | 0 | - | 4.50 | 150,577 |
| Geography by Letter - E | 0 | - | 4.42 | 147,667 |
| Geography by Letter - I | 0 | - | 4.42 | 122,066 |
| Geography by Letter - K | 0 | - | 4.53 | 118,406 |
| Geography by Letter - L | 0 | - | 4.43 | 148,571 |
| Geography by Letter - M | 0 | - | 4.49 | 118,688 |
| Geography by Letter - N | 0 | - | 4.51 | 127,248 |
| Geography by Letter - P | 0 | - | 4.47 | 176,082 |
| Geography by Letter - R | 0 | - | 4.43 | 131,688 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 140,595 |
| Geography by Letter - U | 0 | - | 4.53 | 143,138 |
| Asian Geography By Letter - K | 0 | - | 4.74 | 58,148 |
| Geography Containing the Letter X | 0 | - | 4.42 | 34,635 |
| Geography Containing the Letter Q | 0 | - | 4.55 | 42,905 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,315 |
| Geography A-Z #2 | 0 | - | 4.46 | 52,906 |
| Geography A-Z #5 | 0 | - | 4.44 | 37,358 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,578 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,198 |
| Movies that Start with G | 0 | - | 4.49 | 68,522 |
| Movies that Start with I | 0 | - | 4.41 | 65,157 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,225 |
| Brand Logos That Start With M | 0 | - | 4.45 | 62,747 |
| Former Countries by Territory Map | 0 | - | 4.96 | 102,714 |
| Empires by Maps | 0 | - | 4.98 | 120,284 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,673 |
| Famous Battles Quiz | 0 | - | 4.21 | 48,979 |
| Name the War | 0 | - | 4.37 | 201,583 |
| Famous U.S. Generals | 0 | - | 4.27 | 38,533 |
| Famous Firsts #1 | 0 | - | 4.40 | 69,039 |
| Famous Families #1 | 0 | - | 4.20 | 83,586 |
| Names for Warriors | 0 | - | 4.40 | 36,920 |
| Famous Firsts #2 | 0 | - | 4.01 | 81,015 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,358 |
| People in History A-Z #4 | 0 | - | 4.11 | 23,028 |
| Countries by Military Spending | 0 | - | 4.93 | 177,609 |
| Classic Novels by Plot #2 | 0 | - | 4.87 | 38,034 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 120,683 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,065 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,251 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,728 |
| WWII A-Z #1 | 0 | - | 4.78 | 102,936 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,633 |
| People in History by Wikipedia Descriptions #1 | 0 | - | 4.42 | 44,352 |
| People in History by Wikipedia Descriptions #2 | 0 | - | 4.42 | 39,463 |
| People in History by Wikipedia Descriptions #3 | 0 | - | 4.50 | 36,680 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,315,451 |
| Animals that Start with L | 0 | - | 4.47 | 101,872 |
| Animals that Start with P | 0 | - | 4.45 | 86,100 |
| Animals that Start with S | 0 | - | 4.49 | 87,311 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 90,385 |
| Geography by Letter on the World Map - C | 0 | - | 4.79 | 117,475 |
| World Cities A-Z by Clue #1 | 0 | - | 4.51 | 68,073 |
| Islands A-Z | 0 | - | 4.45 | 124,015 |
| Human Body A-Z | 0 | - | 4.51 | 129,121 |
| Asian Cities A-Z by Clue | 0 | - | 4.49 | 35,507 |
| Animals A-Z #1 | 0 | - | 4.41 | 93,568 |
| Africa A-Z | 0 | - | 4.57 | 46,593 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.69 | 57,682 |
| Ethnic Groups A-Z | 0 | - | 4.51 | 42,274 |
| Space Exploration Trivia | 0 | - | 4.38 | 35,351 |
| Military History A-Z | 0 | - | 4.20 | 21,150 |
| Famous Generals - Non U.S. | 0 | - | 4.59 | 15,136 |
| Disney A-Z | 0 | - | 4.37 | 87,058 |
| Literature by Letter - A | 0 | - | 4.23 | 32,054 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,252 |
| Companies A-Z | 0 | - | 4.30 | 42,692 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,622 |
| Geography by Letter - G | 0 | - | 4.33 | 126,343 |
| Geography by Letter - F | 0 | - | 4.27 | 137,882 |
| Geography by Letter - J | 0 | - | 4.34 | 122,960 |
| Geography by Letter - O | 0 | - | 4.37 | 129,789 |
| Geography by Letter - V | 0 | - | 4.39 | 121,788 |
| Geography by Letter - W | 0 | - | 4.39 | 114,886 |
| Geography by Letter - Y | 0 | - | 4.39 | 111,550 |
| Geography by Letter - Z | 0 | - | 4.11 | 81,687 |
| Geography by Letter - Q | 0 | - | 4.38 | 69,515 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.15 | 35,253 |
| Geography Containing the Letter Z | 0 | - | 4.49 | 27,848 |
| Video Games A-Z | 0 | - | 4.08 | 38,970 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,247 |
| Movies that Start with A | 0 | - | 4.13 | 61,862 |
| Movies that Start with C | 0 | - | 4.30 | 61,834 |
| Movies that Start with B | 0 | - | 4.36 | 85,203 |
| Movies that Start with D | 0 | - | 4.34 | 68,433 |
| Movies that Start with E | 0 | - | 4.13 | 68,366 |
| Movies that Start with J | 0 | - | 4.18 | 76,158 |
| Movies that Start with L | 0 | - | 4.16 | 60,418 |
| Movies that Start with M | 0 | - | 4.28 | 48,220 |
| Movies that Start with N | 0 | - | 4.02 | 41,254 |
| Movies that Start with P | 0 | - | 4.25 | 54,152 |
| Movies that Start with R | 0 | - | 4.17 | 46,638 |
| Movies that Start with W | 0 | - | 4.07 | 44,265 |
| Movies that Start with T | 0 | - | 4.34 | 49,296 |
| Movies that Start with S | 0 | - | 4.35 | 56,463 |
| Movies that Start with F | 0 | - | 4.13 | 68,843 |
| Music by Letter - F | 0 | - | 4.48 | 26,990 |
| Music by Letter - A | 0 | - | 4.61 | 31,372 |
| Brand Logos That Start With B | 0 | - | 4.38 | 59,935 |
| Brand Logos That Start With D | 0 | - | 4.37 | 61,482 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,622 |
| Brand Logos That Start With L | 0 | - | 4.39 | 61,086 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,542 |
| Influential Women in History | 0 | - | 4.42 | 35,548 |
| Metals of Antiquity | 0 | - | 4.95 | 93,397 |
| Cradles of Civilization | 0 | - | 4.46 | 39,606 |
| Materials From History #1 | 0 | - | 4.56 | 51,513 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,664 |
| History: What Came First? #1 | 0 | - | 4.87 | 105,192 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 707,292 |
| WWI... or WWII? | 0 | - | 4.85 | 142,079 |
| Oldest Things | 0 | - | 3.92 | 65,652 |
| Famous Homes - Who Lived There? | 0 | - | 4.09 | 26,817 |
| Biggest Nations and Empires Ever | 0 | - | 4.52 | 145,839 |
| Famous Explorers | 0 | - | 4.58 | 36,144 |
| Famous Empires by Description | 0 | - | 4.73 | 118,403 |
| Answers by Time Period | 0 | - | 4.63 | 55,555 |
| Famous Firsts #3 - The United States | 0 | - | 4.19 | 14,642 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 70,261 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 157,052 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 67,117 |
| Middle East A-Z | 0 | - | 4.47 | 46,001 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,348 |
| Google What's the Difference? - History | 0 | - | 4.20 | 46,217 |
| Notable People of WWII | 0 | - | 4.53 | 85,891 |
| WWII Trivia #2 | 0 | - | 4.52 | 103,934 |
| World War I Quiz | 0 | - | 4.78 | 101,223 |
| WWI A-Z | 0 | - | 4.50 | 38,306 |
| Most Important People in History | 0 | - | 3.97 | 50,679 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 91,209 |
| Star Wars A-Z | 0 | - | 4.46 | 88,164 |
| Monarchies of the World | 0 | - | 4.94 | 168,472 |
