| History by Letter - A | 0 | - | 4.51 | 152,232 |
| History by Letter - B | 0 | - | 4.45 | 171,395 |
| History by Letter - C | 0 | - | 4.70 | 170,473 |
| History by Letter - E | 0 | - | 4.51 | 139,962 |
| History by Letter - G | 0 | - | 4.45 | 121,545 |
| History by Letter - H | 0 | - | 4.45 | 135,981 |
| History by Letter - J | 0 | - | 4.51 | 153,350 |
| History by Letter - N | 0 | - | 4.44 | 103,475 |
| History by Letter - S | 0 | - | 4.47 | 93,755 |
| History by Letter - W | 0 | - | 4.45 | 108,840 |
| History by Letter - M | 0 | - | 4.54 | 119,186 |
| History by Letter - K | 0 | - | 4.50 | 100,898 |
| History by Letter - L | 0 | - | 4.49 | 111,583 |
| History by Letter - I | 0 | - | 4.46 | 103,764 |
| History by Letter - D | 0 | - | 4.39 | 136,980 |
| History by Letter - F | 0 | - | 4.18 | 113,768 |
| History by Letter - O | 0 | - | 4.31 | 99,124 |
| History by Letter - P | 0 | - | 4.39 | 107,422 |
| History by Letter - Q | 0 | - | 4.34 | 80,025 |
| History by Letter - R | 0 | - | 4.26 | 121,744 |
| History by Letter - T | 0 | - | 4.39 | 104,942 |
| History by Letter - U | 0 | - | 4.19 | 100,435 |
| History by Letter - V | 0 | - | 4.27 | 80,432 |
| History by Letter - Y | 0 | - | 4.27 | 86,987 |
| History by Letter - Z | 0 | - | 4.18 | 76,784 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,129 |
| Empires A-Z | 0 | - | 4.51 | 44,878 |
| Same Start and End Letter - History #1 | 0 | - | 4.17 | 24,678 |
| Same Start and End Letter - History #2 | 0 | - | 4.13 | 25,557 |
| Countries that Start with a Vowel | 0 | - | 4.98 | 128,924 |
| Geography by Letter - T | 0 | - | 4.84 | 152,645 |
| People in History A-Z #1 | 0 | - | 4.63 | 98,681 |
| People in History A-Z #2 | 0 | - | 4.47 | 54,868 |
| People in History A-Z #3 | 0 | - | 4.44 | 45,989 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.89 | 81,387 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 107,056 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 152,842 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 194,158 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 169,510 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 190,979 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 299,577 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 179,492 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,260 |
| 20th Century A-Z | 0 | - | 4.50 | 53,211 |
| 19th Century A-Z | 0 | - | 4.77 | 46,770 |
| 18th Century A-Z | 0 | - | 4.54 | 42,671 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 73,624 |
| Countries That Were Invaded | 0 | - | 4.54 | 96,976 |
| People in History A-Z #5 | 0 | - | 4.09 | 31,823 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 235,199 |
| Name an Official Language A-Z | 0 | - | 4.91 | 174,951 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,154 |
| Territory Changes in World War I | 0 | - | 4.86 | 46,277 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 124,957 |
| People Depicted in Paintings | 0 | - | 4.54 | 44,410 |
| 16th Century A-Z | 0 | - | 4.58 | 24,410 |
| 15th Century A-Z | 0 | - | 4.49 | 23,413 |
| 14th Century A-Z | 0 | - | 4.41 | 23,797 |
| 17th Century A-Z | 0 | - | 4.78 | 34,194 |
| NATO Military Alphabet | 0 | - | 4.98 | 555,008 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.81 | 798,485 |
| Religion A-Z #2 | 0 | - | 4.41 | 36,843 |
| Geography by Letter - A | 0 | - | 4.74 | 210,303 |
| Geography by Letter - B | 0 | - | 4.56 | 183,446 |
| Geography by Letter - H | 0 | - | 4.69 | 149,404 |
| Geography by Letter - C | 0 | - | 4.47 | 157,715 |
| Geography by Letter - D | 0 | - | 4.50 | 149,633 |
| Geography by Letter - E | 0 | - | 4.42 | 146,779 |
| Geography by Letter - I | 0 | - | 4.42 | 121,302 |
| Geography by Letter - K | 0 | - | 4.53 | 117,436 |
| Geography by Letter - L | 0 | - | 4.43 | 147,735 |
| Geography by Letter - M | 0 | - | 4.49 | 117,747 |
| Geography by Letter - N | 0 | - | 4.51 | 126,367 |
| Geography by Letter - P | 0 | - | 4.47 | 175,283 |
| Geography by Letter - R | 0 | - | 4.43 | 130,505 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 139,743 |
| Geography by Letter - U | 0 | - | 4.54 | 142,221 |
| Asian Geography By Letter - K | 0 | - | 4.74 | 58,001 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,120 |
| Geography A-Z #2 | 0 | - | 4.46 | 52,720 |
| Geography A-Z #5 | 0 | - | 4.47 | 37,209 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,374 |
| Movies that Start with G | 0 | - | 4.48 | 68,282 |
| Movies that Start with I | 0 | - | 4.41 | 64,926 |
| Brand Logos That Start with A | 0 | - | 4.51 | 69,420 |
| Brand Logos That Start With B | 0 | - | 4.41 | 59,320 |
| Brand Logos That Start With M | 0 | - | 4.45 | 61,913 |
| WWII A-Z #1 | 0 | - | 4.80 | 102,463 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,374 |
| Famous Battles Quiz | 0 | - | 4.21 | 48,840 |
| Name the War | 0 | - | 4.37 | 200,898 |
| Famous U.S. Generals | 0 | - | 4.27 | 38,420 |
| Famous Firsts #1 | 0 | - | 4.40 | 68,846 |
| Famous Families #1 | 0 | - | 4.20 | 83,429 |
| Names for Warriors | 0 | - | 4.40 | 36,807 |
| People in History A-Z #4 | 0 | - | 4.10 | 22,938 |
| Former Countries by Territory Map | 0 | - | 4.96 | 101,772 |
| Empires by Maps | 0 | - | 4.98 | 118,773 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,561 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,787 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,565 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,315 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,139 |
| The 15th Century | 0 | - | 4.43 | 51,085 |
| The 14th Century | 0 | - | 4.55 | 49,191 |
| The 13th Century | 0 | - | 4.48 | 43,168 |
| The 11th and 12th Century | 0 | - | 4.53 | 55,972 |
| Military History A-Z | 0 | - | 4.20 | 21,056 |
| Ye Olde Professions | 0 | - | 4.67 | 155,855 |
| People in History by Wikipedia Descriptions #1 | 0 | - | 4.42 | 44,235 |
| People in History by Wikipedia Descriptions #2 | 0 | - | 4.42 | 39,356 |
| People in History by Wikipedia Descriptions #3 | 0 | - | 4.50 | 36,607 |
| Countries by Military Spending | 0 | - | 4.93 | 176,567 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,306,650 |
| Classic Novels by Plot #2 | 0 | - | 4.87 | 37,592 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.91 | 119,840 |
| Animals that Start with L | 0 | - | 4.47 | 101,551 |
| Animals that Start with P | 0 | - | 4.45 | 85,772 |
| Animals that Start with S | 0 | - | 4.49 | 86,968 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 89,739 |
| Geography by Letter on the World Map - C | 0 | - | 4.78 | 116,737 |
| World Cities A-Z by Clue #1 | 0 | - | 4.51 | 66,614 |
| Islands A-Z | 0 | - | 4.46 | 116,882 |
| World Cities A-Z by Clue #2 | 0 | - | 4.41 | 58,027 |
| Human Body A-Z | 0 | - | 4.51 | 128,634 |
| Asian Cities A-Z by Clue | 0 | - | 4.51 | 34,663 |
| Animals A-Z #1 | 0 | - | 4.41 | 92,880 |
| Africa A-Z | 0 | - | 4.57 | 46,408 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.64 | 53,965 |
| Ethnic Groups A-Z | 0 | - | 4.50 | 42,076 |
| Metals of Antiquity | 0 | - | 4.94 | 92,989 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,247 |
| Space Exploration Trivia | 0 | - | 4.38 | 35,202 |
| WWI... or WWII? | 0 | - | 4.85 | 140,848 |
| Oldest Things | 0 | - | 3.92 | 65,601 |
| Famous Homes - Who Lived There? | 0 | - | 4.09 | 26,774 |
| Famous Firsts #2 | 0 | - | 4.00 | 80,860 |
| Famous Firsts #3 - The United States | 0 | - | 4.17 | 14,498 |
| Famous Generals - Non U.S. | 0 | - | 4.58 | 15,023 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 69,715 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 155,983 |
| Disney A-Z | 0 | - | 4.37 | 86,627 |
| Literature by Letter - A | 0 | - | 4.23 | 31,783 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,078 |
| Companies A-Z | 0 | - | 4.30 | 42,623 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 66,888 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,505 |
| Geography by Letter - G | 0 | - | 4.35 | 125,579 |
| Geography by Letter - F | 0 | - | 4.27 | 137,162 |
| Geography by Letter - J | 0 | - | 4.34 | 122,248 |
| Geography by Letter - O | 0 | - | 4.37 | 129,099 |
| Geography by Letter - V | 0 | - | 4.39 | 121,003 |
| Geography by Letter - W | 0 | - | 4.39 | 114,286 |
| Geography by Letter - Y | 0 | - | 4.39 | 110,767 |
| Geography by Letter - Z | 0 | - | 4.11 | 81,119 |
| Geography by Letter - Q | 0 | - | 4.38 | 68,961 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.18 | 35,131 |
| Video Games A-Z | 0 | - | 4.08 | 38,738 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,098 |
| Middle East A-Z | 0 | - | 4.47 | 45,837 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,187 |
| Movies that Start with A | 0 | - | 4.13 | 61,663 |
| Movies that Start with C | 0 | - | 4.30 | 61,614 |
| Movies that Start with B | 0 | - | 4.35 | 84,947 |
| Movies that Start with D | 0 | - | 4.34 | 68,248 |
| Movies that Start with E | 0 | - | 4.13 | 68,190 |
| Movies that Start with J | 0 | - | 4.18 | 75,947 |
| Movies that Start with L | 0 | - | 4.16 | 60,239 |
| Movies that Start with M | 0 | - | 4.28 | 48,083 |
| Movies that Start with N | 0 | - | 4.02 | 41,126 |
| Movies that Start with P | 0 | - | 4.25 | 54,018 |
| Movies that Start with R | 0 | - | 4.17 | 46,474 |
| Movies that Start with W | 0 | - | 4.07 | 44,149 |
| Movies that Start with T | 0 | - | 4.33 | 49,141 |
| Movies that Start with S | 0 | - | 4.35 | 56,287 |
| Movies that Start with F | 0 | - | 4.13 | 68,663 |
| Music by Letter - F | 0 | - | 4.48 | 26,857 |
| Music by Letter - A | 0 | - | 4.61 | 31,231 |
| Brand Logos That Start With D | 0 | - | 4.37 | 60,811 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,117 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,338 |
| Brand Logos That Start With S | 0 | - | 4.37 | 56,863 |
| Influential Women in History | 0 | - | 4.42 | 35,179 |
| Google What's the Difference? - History | 0 | - | 4.20 | 46,055 |
| Cradles of Civilization | 0 | - | 4.46 | 39,242 |
| Materials From History #1 | 0 | - | 4.56 | 51,148 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 704,799 |
| Notable People of WWII | 0 | - | 4.53 | 85,355 |
| WWII Trivia #2 | 0 | - | 4.52 | 103,488 |
| World War I Quiz | 0 | - | 4.78 | 100,343 |
| WWI A-Z | 0 | - | 4.50 | 38,053 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 145,334 |
| Famous Explorers | 0 | - | 4.58 | 36,002 |
| Famous Empires by Description | 0 | - | 4.73 | 118,014 |
| Answers by Time Period | 0 | - | 4.63 | 55,324 |
| History of France | 0 | - | 4.59 | 56,262 |
| Star Wars A-Z | 0 | - | 4.46 | 87,258 |
| Musical Acts by Letter - J | 0 | - | 4.20 | 77,224 |
| Musical Acts by Letter - M | 0 | - | 4.14 | 93,013 |
| Musical Acts by Letter - N | 0 | - | 4.17 | 68,112 |
