| History by Letter - B | 0 | - | 4.45 | 171,780 |
| History by Letter - C | 0 | - | 4.70 | 170,921 |
| History by Letter - E | 0 | - | 4.51 | 140,281 |
| History by Letter - G | 0 | - | 4.46 | 121,810 |
| History by Letter - H | 0 | - | 4.45 | 136,275 |
| History by Letter - J | 0 | - | 4.51 | 153,716 |
| History by Letter - N | 0 | - | 4.45 | 103,704 |
| History by Letter - S | 0 | - | 4.47 | 93,959 |
| History by Letter - W | 0 | - | 4.45 | 109,084 |
| History by Letter - M | 0 | - | 4.54 | 119,589 |
| History by Letter - K | 0 | - | 4.50 | 101,136 |
| History by Letter - L | 0 | - | 4.50 | 111,846 |
| History by Letter - I | 0 | - | 4.46 | 104,001 |
| History by Letter - D | 0 | - | 4.39 | 137,270 |
| History by Letter - F | 0 | - | 4.18 | 114,001 |
| History by Letter - O | 0 | - | 4.32 | 99,316 |
| History by Letter - P | 0 | - | 4.39 | 107,633 |
| History by Letter - Q | 0 | - | 4.34 | 80,184 |
| History by Letter - R | 0 | - | 4.26 | 121,974 |
| History by Letter - T | 0 | - | 4.39 | 105,107 |
| History by Letter - U | 0 | - | 4.19 | 100,628 |
| History by Letter - V | 0 | - | 4.27 | 80,620 |
| History by Letter - Y | 0 | - | 4.27 | 87,136 |
| History by Letter - Z | 0 | - | 4.19 | 76,911 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,194 |
| History Containing the Letter Z | 0 | - | 4.53 | 23,401 |
| Empires A-Z | 0 | - | 4.51 | 45,020 |
| Same Start and End Letter - History #1 | 0 | - | 4.17 | 24,710 |
| Same Start and End Letter - History #2 | 0 | - | 4.13 | 25,617 |
| History Ending in Z | 0 | - | 4.35 | 13,502 |
| Countries that Start with a Vowel | 0 | - | 4.99 | 129,669 |
| Geography by Letter - T | 0 | - | 4.84 | 153,336 |
| People in History A-Z #1 | 0 | - | 4.61 | 98,848 |
| People in History A-Z #2 | 0 | - | 4.47 | 54,975 |
| People in History A-Z #3 | 0 | - | 4.44 | 46,078 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.89 | 81,857 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 107,542 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 153,078 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 194,594 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 169,746 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 191,473 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 300,031 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 179,812 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,506 |
| 20th Century A-Z | 0 | - | 4.50 | 53,312 |
| 19th Century A-Z | 0 | - | 4.77 | 46,855 |
| 18th Century A-Z | 0 | - | 4.54 | 42,733 |
| "Second Best" History Edition | 0 | - | 4.94 | 62,537 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 73,855 |
| Countries That Were Invaded | 0 | - | 4.55 | 97,219 |
| People in History A-Z #5 | 0 | - | 4.09 | 31,882 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 235,939 |
| Name an Official Language A-Z | 0 | - | 4.91 | 175,455 |
| People Depicted in Paintings | 0 | - | 4.54 | 44,528 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,311 |
| Territory Changes in World War I | 0 | - | 4.87 | 46,552 |
| 16th Century A-Z | 0 | - | 4.58 | 24,465 |
| 15th Century A-Z | 0 | - | 4.49 | 23,464 |
| 14th Century A-Z | 0 | - | 4.41 | 23,899 |
| 17th Century A-Z | 0 | - | 4.78 | 34,251 |
| NATO Military Alphabet | 0 | - | 4.98 | 557,241 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.81 | 799,991 |
| Religion A-Z #2 | 0 | - | 4.41 | 36,931 |
| Geography by Letter - A | 0 | - | 4.74 | 211,147 |
| Geography by Letter - B | 0 | - | 4.56 | 184,207 |
| Geography by Letter - H | 0 | - | 4.69 | 149,964 |
| Geography by Letter - C | 0 | - | 4.47 | 158,333 |
| Geography by Letter - D | 0 | - | 4.50 | 150,170 |
| Geography by Letter - E | 0 | - | 4.42 | 147,278 |
| Geography by Letter - I | 0 | - | 4.42 | 121,722 |
| Geography by Letter - K | 0 | - | 4.53 | 117,847 |
| Geography by Letter - L | 0 | - | 4.43 | 148,197 |
| Geography by Letter - M | 0 | - | 4.49 | 118,345 |
| Geography by Letter - N | 0 | - | 4.51 | 126,766 |
| Geography by Letter - P | 0 | - | 4.47 | 175,703 |
| Geography by Letter - R | 0 | - | 4.43 | 130,999 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 140,208 |
| Geography by Letter - U | 0 | - | 4.53 | 142,709 |
| Asian Geography By Letter - K | 0 | - | 4.74 | 58,073 |
| Geography Containing the Letter X | 0 | - | 4.42 | 34,577 |
| Geography Containing the Letter Q | 0 | - | 4.55 | 42,237 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,235 |
| Geography A-Z #2 | 0 | - | 4.46 | 52,816 |
| Geography A-Z #5 | 0 | - | 4.47 | 37,284 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,475 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,085 |
| Movies that Start with G | 0 | - | 4.49 | 68,419 |
| Movies that Start with I | 0 | - | 4.41 | 65,070 |
| Brand Logos That Start with A | 0 | - | 4.52 | 69,866 |
| Brand Logos That Start With M | 0 | - | 4.45 | 62,324 |
| Former Countries by Territory Map | 0 | - | 4.96 | 102,307 |
| Empires by Maps | 0 | - | 4.98 | 119,602 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,503 |
| Famous Battles Quiz | 0 | - | 4.21 | 48,929 |
| Name the War | 0 | - | 4.37 | 201,283 |
| Famous U.S. Generals | 0 | - | 4.27 | 38,482 |
| Famous Firsts #1 | 0 | - | 4.40 | 68,973 |
| Famous Families #1 | 0 | - | 4.20 | 83,520 |
| Names for Warriors | 0 | - | 4.40 | 36,876 |
| Famous Firsts #2 | 0 | - | 4.01 | 80,962 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,273 |
| People in History A-Z #4 | 0 | - | 4.10 | 22,984 |
| Countries by Military Spending | 0 | - | 4.93 | 177,092 |
| Classic Novels by Plot #2 | 0 | - | 4.87 | 37,783 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 120,213 |
| Name a Minecraft Mob A-Z | 0 | - | 4.87 | 42,243 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,804 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,036 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,645 |
| WWII A-Z #1 | 0 | - | 4.78 | 102,732 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,521 |
| People in History by Wikipedia Descriptions #1 | 0 | - | 4.42 | 44,307 |
| People in History by Wikipedia Descriptions #2 | 0 | - | 4.42 | 39,422 |
| People in History by Wikipedia Descriptions #3 | 0 | - | 4.50 | 36,648 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,311,489 |
| Animals that Start with L | 0 | - | 4.47 | 101,722 |
| Animals that Start with P | 0 | - | 4.45 | 85,969 |
| Animals that Start with S | 0 | - | 4.49 | 87,163 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 90,090 |
| Geography by Letter on the World Map - C | 0 | - | 4.78 | 117,138 |
| World Cities A-Z by Clue #1 | 0 | - | 4.50 | 67,574 |
| Islands A-Z | 0 | - | 4.46 | 117,222 |
| Human Body A-Z | 0 | - | 4.51 | 128,931 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 35,253 |
| Animals A-Z #1 | 0 | - | 4.41 | 93,074 |
| Africa A-Z | 0 | - | 4.57 | 46,518 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.68 | 57,402 |
| Ethnic Groups A-Z | 0 | - | 4.50 | 42,183 |
| Space Exploration Trivia | 0 | - | 4.38 | 35,285 |
| Military History A-Z | 0 | - | 4.20 | 21,109 |
| Famous Generals - Non U.S. | 0 | - | 4.59 | 15,089 |
| Disney A-Z | 0 | - | 4.37 | 86,862 |
| Literature by Letter - A | 0 | - | 4.23 | 31,852 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,111 |
| Companies A-Z | 0 | - | 4.30 | 42,665 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,572 |
| Geography by Letter - G | 0 | - | 4.35 | 125,986 |
| Geography by Letter - F | 0 | - | 4.27 | 137,574 |
| Geography by Letter - J | 0 | - | 4.34 | 122,644 |
| Geography by Letter - O | 0 | - | 4.37 | 129,469 |
| Geography by Letter - V | 0 | - | 4.39 | 121,443 |
| Geography by Letter - W | 0 | - | 4.39 | 114,618 |
| Geography by Letter - Y | 0 | - | 4.39 | 111,091 |
| Geography by Letter - Z | 0 | - | 4.11 | 81,432 |
| Geography by Letter - Q | 0 | - | 4.38 | 69,257 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.15 | 35,202 |
| Geography Containing the Letter Z | 0 | - | 4.49 | 27,785 |
| Video Games A-Z | 0 | - | 4.08 | 38,855 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,181 |
| Movies that Start with A | 0 | - | 4.13 | 61,792 |
| Movies that Start with C | 0 | - | 4.30 | 61,747 |
| Movies that Start with B | 0 | - | 4.36 | 85,101 |
| Movies that Start with D | 0 | - | 4.34 | 68,359 |
| Movies that Start with E | 0 | - | 4.13 | 68,292 |
| Movies that Start with J | 0 | - | 4.18 | 76,074 |
| Movies that Start with L | 0 | - | 4.16 | 60,341 |
| Movies that Start with M | 0 | - | 4.28 | 48,162 |
| Movies that Start with N | 0 | - | 4.02 | 41,204 |
| Movies that Start with P | 0 | - | 4.25 | 54,097 |
| Movies that Start with R | 0 | - | 4.17 | 46,570 |
| Movies that Start with W | 0 | - | 4.07 | 44,216 |
| Movies that Start with T | 0 | - | 4.34 | 49,229 |
| Movies that Start with S | 0 | - | 4.35 | 56,390 |
| Movies that Start with F | 0 | - | 4.13 | 68,771 |
| Music by Letter - F | 0 | - | 4.48 | 26,937 |
| Music by Letter - A | 0 | - | 4.61 | 31,304 |
| Brand Logos That Start With B | 0 | - | 4.38 | 59,679 |
| Brand Logos That Start With D | 0 | - | 4.37 | 61,184 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,395 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,733 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,235 |
| Influential Women in History | 0 | - | 4.42 | 35,387 |
| Metals of Antiquity | 0 | - | 4.94 | 93,193 |
| Cradles of Civilization | 0 | - | 4.46 | 39,454 |
| Materials From History #1 | 0 | - | 4.56 | 51,388 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,491 |
| History: What Came First? #1 | 0 | - | 4.87 | 104,900 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 706,046 |
| WWI... or WWII? | 0 | - | 4.85 | 141,577 |
| Oldest Things | 0 | - | 3.92 | 65,634 |
| Famous Homes - Who Lived There? | 0 | - | 4.09 | 26,803 |
| Biggest Nations and Empires Ever | 0 | - | 4.52 | 145,600 |
| Famous Explorers | 0 | - | 4.58 | 36,081 |
| Famous Empires by Description | 0 | - | 4.73 | 118,231 |
| Answers by Time Period | 0 | - | 4.64 | 55,455 |
| Famous Firsts #3 - The United States | 0 | - | 4.19 | 14,607 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 70,089 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 156,541 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 67,010 |
| Middle East A-Z | 0 | - | 4.47 | 45,935 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,261 |
| Google What's the Difference? - History | 0 | - | 4.20 | 46,146 |
| Notable People of WWII | 0 | - | 4.53 | 85,520 |
| WWII Trivia #2 | 0 | - | 4.52 | 103,776 |
| World War I Quiz | 0 | - | 4.78 | 101,032 |
| WWI A-Z | 0 | - | 4.50 | 38,208 |
| Most Important People in History | 0 | - | 3.98 | 50,569 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 89,916 |
| Star Wars A-Z | 0 | - | 4.46 | 87,827 |
| Monarchies of the World | 0 | - | 4.94 | 167,585 |
