| History by Letter - A | 0 | - | 4.51 | 153,211 |
| History by Letter - B | 0 | - | 4.45 | 172,513 |
| History by Letter - C | 0 | - | 4.70 | 171,775 |
| History by Letter - E | 0 | - | 4.51 | 140,850 |
| History by Letter - G | 0 | - | 4.46 | 122,338 |
| History by Letter - H | 0 | - | 4.45 | 136,957 |
| History by Letter - J | 0 | - | 4.51 | 154,286 |
| History by Letter - N | 0 | - | 4.45 | 104,236 |
| History by Letter - S | 0 | - | 4.47 | 94,536 |
| History by Letter - W | 0 | - | 4.45 | 109,704 |
| History by Letter - M | 0 | - | 4.54 | 120,033 |
| History by Letter - K | 0 | - | 4.50 | 101,529 |
| History by Letter - L | 0 | - | 4.50 | 112,272 |
| History by Letter - I | 0 | - | 4.46 | 104,566 |
| History by Letter - D | 0 | - | 4.40 | 137,994 |
| History by Letter - F | 0 | - | 4.18 | 114,624 |
| History by Letter - O | 0 | - | 4.32 | 99,661 |
| History by Letter - P | 0 | - | 4.36 | 107,995 |
| History by Letter - Q | 0 | - | 4.34 | 80,455 |
| History by Letter - R | 0 | - | 4.26 | 122,360 |
| History by Letter - T | 0 | - | 4.39 | 105,423 |
| History by Letter - U | 0 | - | 4.19 | 100,936 |
| History by Letter - V | 0 | - | 4.27 | 80,883 |
| History by Letter - Y | 0 | - | 4.27 | 87,405 |
| History by Letter - Z | 0 | - | 4.20 | 77,171 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,256 |
| Empires A-Z | 0 | - | 4.52 | 45,183 |
| Same Start and End Letter - History #1 | 0 | - | 4.18 | 24,748 |
| Same Start and End Letter - History #2 | 0 | - | 4.13 | 25,680 |
| Countries that Start with a Vowel | 0 | - | 4.99 | 151,102 |
| Geography by Letter - T | 0 | - | 4.84 | 154,071 |
| People in History A-Z #1 | 0 | - | 4.63 | 99,049 |
| People in History A-Z #2 | 0 | - | 4.47 | 55,126 |
| People in History A-Z #3 | 0 | - | 4.44 | 46,202 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.89 | 82,291 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 108,011 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 153,572 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 195,693 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 170,286 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 192,369 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 300,915 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 180,520 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,892 |
| 20th Century A-Z | 0 | - | 4.50 | 53,736 |
| 19th Century A-Z | 0 | - | 4.77 | 47,298 |
| 18th Century A-Z | 0 | - | 4.54 | 43,177 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 74,088 |
| Countries That Were Invaded | 0 | - | 4.55 | 97,429 |
| People in History A-Z #5 | 0 | - | 4.09 | 31,963 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 237,196 |
| Name an Official Language A-Z | 0 | - | 4.91 | 176,021 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,441 |
| Territory Changes in World War I | 0 | - | 4.87 | 46,791 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,327 |
| People Depicted in Paintings | 0 | - | 4.54 | 44,653 |
| 16th Century A-Z | 0 | - | 4.58 | 24,901 |
| 15th Century A-Z | 0 | - | 4.49 | 23,928 |
| 14th Century A-Z | 0 | - | 4.41 | 24,390 |
| 17th Century A-Z | 0 | - | 4.78 | 34,636 |
| NATO Military Alphabet | 0 | - | 4.98 | 560,168 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.81 | 802,600 |
| Religion A-Z #2 | 0 | - | 4.41 | 36,998 |
| Geography by Letter - A | 0 | - | 4.74 | 211,775 |
| Geography by Letter - B | 0 | - | 4.56 | 184,813 |
| Geography by Letter - H | 0 | - | 4.69 | 150,477 |
| Geography by Letter - C | 0 | - | 4.47 | 158,858 |
| Geography by Letter - D | 0 | - | 4.50 | 150,685 |
| Geography by Letter - E | 0 | - | 4.42 | 147,758 |
| Geography by Letter - I | 0 | - | 4.42 | 122,141 |
| Geography by Letter - K | 0 | - | 4.53 | 118,495 |
| Geography by Letter - L | 0 | - | 4.43 | 148,667 |
| Geography by Letter - M | 0 | - | 4.49 | 118,773 |
| Geography by Letter - N | 0 | - | 4.51 | 127,338 |
| Geography by Letter - P | 0 | - | 4.47 | 176,181 |
| Geography by Letter - R | 0 | - | 4.43 | 131,831 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 140,727 |
| Geography by Letter - U | 0 | - | 4.53 | 143,255 |
| Asian Geography By Letter - K | 0 | - | 4.74 | 58,174 |
| Geography Containing the Letter X | 0 | - | 4.42 | 34,666 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,346 |
| Geography A-Z #2 | 0 | - | 4.46 | 52,929 |
| Geography A-Z #5 | 0 | - | 4.44 | 37,368 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,605 |
| Movies that Start with G | 0 | - | 4.49 | 68,563 |
| Movies that Start with I | 0 | - | 4.41 | 65,176 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,362 |
| WWII A-Z #1 | 0 | - | 4.73 | 102,997 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,672 |
| Famous Battles Quiz | 0 | - | 4.21 | 48,996 |
| Name the War | 0 | - | 4.37 | 201,667 |
| Famous U.S. Generals | 0 | - | 4.27 | 38,547 |
| Famous Firsts #1 | 0 | - | 4.40 | 69,065 |
| Famous Families #1 | 0 | - | 4.20 | 83,610 |
| Names for Warriors | 0 | - | 4.40 | 36,938 |
| Famous Firsts #2 | 0 | - | 4.01 | 81,038 |
| People in History A-Z #4 | 0 | - | 4.11 | 23,042 |
| Former Countries by Territory Map | 0 | - | 4.96 | 102,815 |
| Empires by Maps | 0 | - | 4.98 | 120,493 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,134 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,339 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,746 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,723 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,393 |
| The 15th Century | 0 | - | 4.43 | 51,234 |
| The 14th Century | 0 | - | 4.55 | 49,322 |
| The 13th Century | 0 | - | 4.48 | 43,289 |
| The 11th and 12th Century | 0 | - | 4.53 | 56,137 |
| Military History A-Z | 0 | - | 4.20 | 21,165 |
| Ye Olde Professions | 0 | - | 4.67 | 156,792 |
| People in History by Wikipedia Descriptions #1 | 0 | - | 4.42 | 44,367 |
| People in History by Wikipedia Descriptions #2 | 0 | - | 4.42 | 39,478 |
| People in History by Wikipedia Descriptions #3 | 0 | - | 4.50 | 36,688 |
| Countries by Military Spending | 0 | - | 4.93 | 177,753 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,316,889 |
| Classic Novels by Plot #2 | 0 | - | 4.87 | 38,132 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 120,833 |
| Animals that Start with L | 0 | - | 4.47 | 101,915 |
| Animals that Start with P | 0 | - | 4.45 | 86,137 |
| Animals that Start with S | 0 | - | 4.49 | 87,354 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 90,477 |
| Geography by Letter on the World Map - C | 0 | - | 4.79 | 117,577 |
| World Cities A-Z by Clue #1 | 0 | - | 4.51 | 68,185 |
| Islands A-Z | 0 | - | 4.46 | 124,677 |
| Human Body A-Z | 0 | - | 4.51 | 129,180 |
| Asian Cities A-Z by Clue | 0 | - | 4.49 | 35,581 |
| Animals A-Z #1 | 0 | - | 4.41 | 93,629 |
| Africa A-Z | 0 | - | 4.57 | 46,608 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.69 | 57,794 |
| Ethnic Groups A-Z | 0 | - | 4.51 | 42,306 |
| Metals of Antiquity | 0 | - | 4.95 | 93,443 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,715 |
| Space Exploration Trivia | 0 | - | 4.38 | 35,366 |
| WWI... or WWII? | 0 | - | 4.85 | 142,261 |
| Oldest Things | 0 | - | 3.92 | 65,660 |
| Famous Homes - Who Lived There? | 0 | - | 4.09 | 26,823 |
| Famous Firsts #3 - The United States | 0 | - | 4.19 | 14,652 |
| Famous Generals - Non U.S. | 0 | - | 4.59 | 15,147 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 70,307 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 157,239 |
| Disney A-Z | 0 | - | 4.37 | 87,135 |
| Literature by Letter - A | 0 | - | 4.24 | 32,129 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,288 |
| Companies A-Z | 0 | - | 4.30 | 42,704 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 67,155 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,632 |
| Geography by Letter - G | 0 | - | 4.33 | 126,424 |
| Geography by Letter - F | 0 | - | 4.27 | 137,978 |
| Geography by Letter - J | 0 | - | 4.34 | 123,045 |
| Geography by Letter - O | 0 | - | 4.37 | 129,873 |
| Geography by Letter - V | 0 | - | 4.39 | 121,893 |
| Geography by Letter - W | 0 | - | 4.39 | 114,956 |
| Geography by Letter - Y | 0 | - | 4.39 | 111,644 |
| Geography by Letter - Z | 0 | - | 4.11 | 81,739 |
| Geography by Letter - Q | 0 | - | 4.38 | 69,586 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.15 | 35,271 |
| Video Games A-Z | 0 | - | 4.08 | 39,006 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,266 |
| Middle East A-Z | 0 | - | 4.47 | 46,019 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,370 |
| Movies that Start with A | 0 | - | 4.13 | 61,890 |
| Movies that Start with C | 0 | - | 4.30 | 61,874 |
| Movies that Start with B | 0 | - | 4.36 | 85,248 |
| Movies that Start with D | 0 | - | 4.34 | 68,456 |
| Movies that Start with E | 0 | - | 4.13 | 68,389 |
| Movies that Start with J | 0 | - | 4.18 | 76,188 |
| Movies that Start with L | 0 | - | 4.16 | 60,444 |
| Movies that Start with M | 0 | - | 4.28 | 48,248 |
| Movies that Start with N | 0 | - | 4.02 | 41,269 |
| Movies that Start with P | 0 | - | 4.25 | 54,164 |
| Movies that Start with R | 0 | - | 4.17 | 46,665 |
| Movies that Start with W | 0 | - | 4.07 | 44,275 |
| Movies that Start with T | 0 | - | 4.34 | 49,320 |
| Movies that Start with S | 0 | - | 4.35 | 56,484 |
| Movies that Start with F | 0 | - | 4.13 | 68,875 |
| Music by Letter - F | 0 | - | 4.48 | 27,012 |
| Music by Letter - A | 0 | - | 4.61 | 31,398 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,031 |
| Brand Logos That Start With D | 0 | - | 4.37 | 61,586 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,689 |
| Brand Logos That Start With L | 0 | - | 4.39 | 61,197 |
| Brand Logos That Start With M | 0 | - | 4.40 | 62,883 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,656 |
| Influential Women in History | 0 | - | 4.42 | 35,596 |
| Google What's the Difference? - History | 0 | - | 4.20 | 46,242 |
| Cradles of Civilization | 0 | - | 4.46 | 39,652 |
| Materials From History #1 | 0 | - | 4.56 | 51,556 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 707,700 |
| Notable People of WWII | 0 | - | 4.53 | 85,934 |
| WWII Trivia #2 | 0 | - | 4.52 | 104,174 |
| World War I Quiz | 0 | - | 4.78 | 101,294 |
| WWI A-Z | 0 | - | 4.50 | 38,350 |
| Biggest Nations and Empires Ever | 0 | - | 4.52 | 145,917 |
| Famous Explorers | 0 | - | 4.58 | 36,164 |
| Famous Empires by Description | 0 | - | 4.73 | 118,459 |
| Answers by Time Period | 0 | - | 4.64 | 55,578 |
| History of France | 0 | - | 4.59 | 56,988 |
| People in History by Wikipedia Descriptions #4 | 0 | - | 4.41 | 30,746 |
| Star Wars A-Z | 0 | - | 4.46 | 88,256 |
| Musical Acts by Letter - J | 0 | - | 4.17 | 77,479 |
| Musical Acts by Letter - M | 0 | - | 4.14 | 93,393 |
