| History by Letter - B | 0 | - | 4.45 | 171,351 |
| History by Letter - C | 0 | - | 4.70 | 170,423 |
| History by Letter - E | 0 | - | 4.51 | 139,924 |
| History by Letter - G | 0 | - | 4.45 | 121,517 |
| History by Letter - H | 0 | - | 4.45 | 135,947 |
| History by Letter - J | 0 | - | 4.51 | 153,317 |
| History by Letter - N | 0 | - | 4.44 | 103,444 |
| History by Letter - S | 0 | - | 4.47 | 93,727 |
| History by Letter - W | 0 | - | 4.45 | 108,803 |
| History by Letter - M | 0 | - | 4.54 | 119,155 |
| History by Letter - K | 0 | - | 4.50 | 100,875 |
| History by Letter - L | 0 | - | 4.49 | 111,560 |
| History by Letter - I | 0 | - | 4.46 | 103,738 |
| History by Letter - D | 0 | - | 4.39 | 136,945 |
| History by Letter - F | 0 | - | 4.18 | 113,740 |
| History by Letter - O | 0 | - | 4.31 | 99,099 |
| History by Letter - P | 0 | - | 4.38 | 107,395 |
| History by Letter - Q | 0 | - | 4.34 | 80,006 |
| History by Letter - R | 0 | - | 4.26 | 121,713 |
| History by Letter - T | 0 | - | 4.39 | 104,917 |
| History by Letter - U | 0 | - | 4.19 | 100,329 |
| History by Letter - V | 0 | - | 4.27 | 80,407 |
| History by Letter - Y | 0 | - | 4.27 | 86,964 |
| History by Letter - Z | 0 | - | 4.18 | 76,766 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,126 |
| History Containing the Letter X | 0 | - | 4.47 | 26,944 |
| History Containing the Letter Z | 0 | - | 4.53 | 23,354 |
| Empires A-Z | 0 | - | 4.51 | 44,858 |
| Same Start and End Letter - History #1 | 0 | - | 4.16 | 24,673 |
| Same Start and End Letter - History #2 | 0 | - | 4.13 | 25,551 |
| History Ending in Z | 0 | - | 4.35 | 13,461 |
| Countries that Start with a Vowel | 0 | - | 4.98 | 128,847 |
| Geography by Letter - T | 0 | - | 4.84 | 152,573 |
| People in History A-Z #1 | 0 | - | 4.63 | 98,657 |
| People in History A-Z #2 | 0 | - | 4.47 | 54,854 |
| People in History A-Z #3 | 0 | - | 4.44 | 45,982 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.89 | 81,346 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 107,011 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 152,794 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 194,066 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 169,451 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 190,892 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 299,490 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 179,463 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,218 |
| 20th Century A-Z | 0 | - | 4.50 | 53,197 |
| 19th Century A-Z | 0 | - | 4.77 | 46,759 |
| 18th Century A-Z | 0 | - | 4.54 | 42,666 |
| "Second Best" History Edition | 0 | - | 4.93 | 61,994 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 73,603 |
| Countries That Were Invaded | 0 | - | 4.54 | 96,962 |
| People in History A-Z #5 | 0 | - | 4.09 | 31,818 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 235,053 |
| Name an Official Language A-Z | 0 | - | 4.91 | 174,893 |
| People Depicted in Paintings | 0 | - | 4.54 | 44,400 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,141 |
| Territory Changes in World War I | 0 | - | 4.86 | 46,264 |
| 16th Century A-Z | 0 | - | 4.58 | 24,400 |
| 15th Century A-Z | 0 | - | 4.49 | 23,409 |
| 14th Century A-Z | 0 | - | 4.41 | 23,784 |
| 17th Century A-Z | 0 | - | 4.78 | 34,184 |
| NATO Military Alphabet | 0 | - | 4.98 | 554,819 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.81 | 798,319 |
| Geography by Letter - A | 0 | - | 4.74 | 210,250 |
| Geography by Letter - B | 0 | - | 4.56 | 183,399 |
| Geography by Letter - H | 0 | - | 4.69 | 149,370 |
| Geography by Letter - C | 0 | - | 4.47 | 157,674 |
| Geography by Letter - D | 0 | - | 4.50 | 149,598 |
| Geography by Letter - E | 0 | - | 4.42 | 146,744 |
| Geography by Letter - I | 0 | - | 4.42 | 121,278 |
| Geography by Letter - K | 0 | - | 4.53 | 117,408 |
| Geography by Letter - L | 0 | - | 4.43 | 147,702 |
| Geography by Letter - M | 0 | - | 4.49 | 117,717 |
| Geography by Letter - N | 0 | - | 4.51 | 126,330 |
| Geography by Letter - P | 0 | - | 4.47 | 175,254 |
| Geography by Letter - R | 0 | - | 4.43 | 130,463 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 139,702 |
| Geography by Letter - U | 0 | - | 4.54 | 142,183 |
| Asian Geography By Letter - K | 0 | - | 4.74 | 57,997 |
| Geography Containing the Letter X | 0 | - | 4.42 | 34,477 |
| Geography Containing the Letter Q | 0 | - | 4.55 | 32,813 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,105 |
| Geography A-Z #2 | 0 | - | 4.46 | 52,707 |
| Geography A-Z #5 | 0 | - | 4.47 | 37,202 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,358 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 124,942 |
| Movies that Start with G | 0 | - | 4.48 | 68,273 |
| Movies that Start with I | 0 | - | 4.41 | 64,916 |
| Brand Logos That Start with A | 0 | - | 4.51 | 69,388 |
| Brand Logos That Start With B | 0 | - | 4.41 | 59,292 |
| Brand Logos That Start With M | 0 | - | 4.45 | 61,877 |
| Former Countries by Territory Map | 0 | - | 4.96 | 101,728 |
| Empires by Maps | 0 | - | 4.98 | 118,699 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,299 |
| Famous Battles Quiz | 0 | - | 4.21 | 48,828 |
| Name the War | 0 | - | 4.37 | 200,857 |
| Famous U.S. Generals | 0 | - | 4.27 | 38,416 |
| Famous Firsts #1 | 0 | - | 4.40 | 68,835 |
| Famous Families #1 | 0 | - | 4.20 | 83,420 |
| Names for Warriors | 0 | - | 4.40 | 36,801 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,129 |
| People in History A-Z #4 | 0 | - | 4.10 | 22,934 |
| Countries by Military Spending | 0 | - | 4.93 | 176,525 |
| Classic Novels by Plot #2 | 0 | - | 4.87 | 37,568 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 119,802 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,538 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,755 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,555 |
| WWII A-Z #1 | 0 | - | 4.80 | 102,447 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,360 |
| People in History by Wikipedia Descriptions #1 | 0 | - | 4.42 | 44,226 |
| People in History by Wikipedia Descriptions #2 | 0 | - | 4.42 | 39,350 |
| People in History by Wikipedia Descriptions #3 | 0 | - | 4.50 | 36,603 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,306,115 |
| Animals that Start with L | 0 | - | 4.47 | 101,401 |
| Animals that Start with P | 0 | - | 4.45 | 85,739 |
| Animals that Start with S | 0 | - | 4.49 | 86,932 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 89,700 |
| Geography by Letter on the World Map - C | 0 | - | 4.78 | 116,686 |
| World Cities A-Z by Clue #1 | 0 | - | 4.51 | 66,422 |
| Islands A-Z | 0 | - | 4.46 | 116,849 |
| World Cities A-Z by Clue #2 | 0 | - | 4.41 | 57,861 |
| Human Body A-Z | 0 | - | 4.51 | 128,527 |
| Asian Cities A-Z by Clue | 0 | - | 4.51 | 34,530 |
| Animals A-Z #1 | 0 | - | 4.41 | 92,861 |
| Africa A-Z | 0 | - | 4.57 | 46,397 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.60 | 49,911 |
| Ethnic Groups A-Z | 0 | - | 4.50 | 42,068 |
| Space Exploration Trivia | 0 | - | 4.38 | 35,199 |
| Military History A-Z | 0 | - | 4.20 | 21,050 |
| Famous Generals - Non U.S. | 0 | - | 4.58 | 15,019 |
| Disney A-Z | 0 | - | 4.37 | 86,608 |
| Literature by Letter - A | 0 | - | 4.23 | 31,773 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,074 |
| Companies A-Z | 0 | - | 4.30 | 42,620 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,499 |
| Religion A-Z #2 | 0 | - | 4.41 | 36,837 |
| Geography by Letter - G | 0 | - | 4.35 | 125,550 |
| Geography by Letter - F | 0 | - | 4.27 | 137,136 |
| Geography by Letter - J | 0 | - | 4.34 | 122,225 |
| Geography by Letter - O | 0 | - | 4.37 | 129,073 |
| Geography by Letter - V | 0 | - | 4.39 | 120,968 |
| Geography by Letter - W | 0 | - | 4.39 | 114,262 |
| Geography by Letter - Y | 0 | - | 4.39 | 110,735 |
| Geography by Letter - Z | 0 | - | 4.11 | 81,092 |
| Geography by Letter - Q | 0 | - | 4.38 | 68,939 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.18 | 35,126 |
| Geography Containing the Letter Z | 0 | - | 4.48 | 27,679 |
| Video Games A-Z | 0 | - | 4.08 | 38,728 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,090 |
| Movies that Start with A | 0 | - | 4.13 | 61,658 |
| Movies that Start with C | 0 | - | 4.30 | 61,607 |
| Movies that Start with B | 0 | - | 4.35 | 84,938 |
| Movies that Start with D | 0 | - | 4.34 | 68,240 |
| Movies that Start with E | 0 | - | 4.13 | 68,185 |
| Movies that Start with J | 0 | - | 4.18 | 75,939 |
| Movies that Start with L | 0 | - | 4.16 | 60,235 |
| Movies that Start with M | 0 | - | 4.28 | 48,079 |
| Movies that Start with N | 0 | - | 4.02 | 41,118 |
| Movies that Start with P | 0 | - | 4.25 | 54,013 |
| Movies that Start with R | 0 | - | 4.17 | 46,466 |
| Movies that Start with W | 0 | - | 4.07 | 44,142 |
| Movies that Start with T | 0 | - | 4.33 | 49,130 |
| Movies that Start with S | 0 | - | 4.35 | 56,280 |
| Movies that Start with F | 0 | - | 4.13 | 68,657 |
| Music by Letter - F | 0 | - | 4.48 | 26,847 |
| Music by Letter - A | 0 | - | 4.61 | 31,216 |
| Brand Logos That Start With D | 0 | - | 4.37 | 60,786 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,090 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,298 |
| Brand Logos That Start With S | 0 | - | 4.37 | 56,821 |
| Influential Women in History | 0 | - | 4.42 | 35,147 |
| Metals of Antiquity | 0 | - | 4.94 | 92,973 |
| Cradles of Civilization | 0 | - | 4.46 | 39,204 |
| Materials From History #1 | 0 | - | 4.56 | 51,003 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,229 |
| History: What Came First? #1 | 0 | - | 4.87 | 104,278 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 704,684 |
| WWI... or WWII? | 0 | - | 4.85 | 140,801 |
| Oldest Things | 0 | - | 3.92 | 65,598 |
| Famous Homes - Who Lived There? | 0 | - | 4.09 | 26,773 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 145,301 |
| Famous Explorers | 0 | - | 4.58 | 35,993 |
| Famous Empires by Description | 0 | - | 4.73 | 117,992 |
| Answers by Time Period | 0 | - | 4.63 | 55,310 |
| Famous Firsts #2 | 0 | - | 4.00 | 80,856 |
| Famous Firsts #3 - The United States | 0 | - | 4.17 | 14,496 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 69,700 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 155,927 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 66,880 |
| Middle East A-Z | 0 | - | 4.47 | 45,823 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,173 |
| Google What's the Difference? - History | 0 | - | 4.20 | 46,050 |
| Notable People of WWII | 0 | - | 4.53 | 85,345 |
| WWII Trivia #2 | 0 | - | 4.52 | 103,470 |
| World War I Quiz | 0 | - | 4.78 | 100,322 |
| WWI A-Z | 0 | - | 4.50 | 38,048 |
| Most Important People in History | 0 | - | 3.98 | 50,430 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 85,148 |
| Star Wars A-Z | 0 | - | 4.46 | 87,237 |
