| History by Letter - A | 0 | - | 4.51 | 152,402 |
| History by Letter - B | 0 | - | 4.45 | 171,580 |
| History by Letter - C | 0 | - | 4.70 | 170,695 |
| History by Letter - E | 0 | - | 4.51 | 140,111 |
| History by Letter - G | 0 | - | 4.46 | 121,681 |
| History by Letter - H | 0 | - | 4.45 | 136,122 |
| History by Letter - J | 0 | - | 4.51 | 153,523 |
| History by Letter - N | 0 | - | 4.45 | 103,579 |
| History by Letter - S | 0 | - | 4.47 | 93,835 |
| History by Letter - W | 0 | - | 4.45 | 108,951 |
| History by Letter - M | 0 | - | 4.54 | 119,316 |
| History by Letter - K | 0 | - | 4.50 | 101,010 |
| History by Letter - L | 0 | - | 4.50 | 111,712 |
| History by Letter - I | 0 | - | 4.46 | 103,873 |
| History by Letter - D | 0 | - | 4.39 | 137,117 |
| History by Letter - F | 0 | - | 4.18 | 113,876 |
| History by Letter - O | 0 | - | 4.32 | 99,216 |
| History by Letter - P | 0 | - | 4.39 | 107,509 |
| History by Letter - Q | 0 | - | 4.34 | 80,106 |
| History by Letter - R | 0 | - | 4.26 | 121,847 |
| History by Letter - T | 0 | - | 4.39 | 105,015 |
| History by Letter - U | 0 | - | 4.19 | 100,516 |
| History by Letter - V | 0 | - | 4.27 | 80,519 |
| History by Letter - Y | 0 | - | 4.27 | 87,052 |
| History by Letter - Z | 0 | - | 4.18 | 76,841 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,165 |
| Empires A-Z | 0 | - | 4.51 | 44,957 |
| Same Start and End Letter - History #1 | 0 | - | 4.17 | 24,694 |
| Same Start and End Letter - History #2 | 0 | - | 4.13 | 25,591 |
| Countries that Start with a Vowel | 0 | - | 4.99 | 129,236 |
| Geography by Letter - T | 0 | - | 4.84 | 152,902 |
| People in History A-Z #1 | 0 | - | 4.63 | 98,767 |
| People in History A-Z #2 | 0 | - | 4.47 | 54,917 |
| People in History A-Z #3 | 0 | - | 4.44 | 46,040 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.89 | 81,551 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 107,240 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 152,964 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 194,364 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 169,644 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 191,236 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 299,812 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 179,637 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,372 |
| 20th Century A-Z | 0 | - | 4.50 | 53,260 |
| 19th Century A-Z | 0 | - | 4.77 | 46,814 |
| 18th Century A-Z | 0 | - | 4.54 | 42,696 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 73,752 |
| Countries That Were Invaded | 0 | - | 4.55 | 97,109 |
| People in History A-Z #5 | 0 | - | 4.09 | 31,853 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 235,564 |
| Name an Official Language A-Z | 0 | - | 4.91 | 175,202 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,223 |
| Territory Changes in World War I | 0 | - | 4.87 | 46,402 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,016 |
| People Depicted in Paintings | 0 | - | 4.54 | 44,477 |
| 16th Century A-Z | 0 | - | 4.58 | 24,435 |
| 15th Century A-Z | 0 | - | 4.49 | 23,430 |
| 14th Century A-Z | 0 | - | 4.41 | 23,848 |
| 17th Century A-Z | 0 | - | 4.78 | 34,221 |
| NATO Military Alphabet | 0 | - | 4.98 | 556,125 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.81 | 799,259 |
| Religion A-Z #2 | 0 | - | 4.41 | 36,897 |
| Geography by Letter - A | 0 | - | 4.74 | 210,767 |
| Geography by Letter - B | 0 | - | 4.56 | 183,727 |
| Geography by Letter - H | 0 | - | 4.69 | 149,603 |
| Geography by Letter - C | 0 | - | 4.47 | 157,954 |
| Geography by Letter - D | 0 | - | 4.50 | 149,855 |
| Geography by Letter - E | 0 | - | 4.42 | 146,979 |
| Geography by Letter - I | 0 | - | 4.42 | 121,470 |
| Geography by Letter - K | 0 | - | 4.53 | 117,597 |
| Geography by Letter - L | 0 | - | 4.43 | 147,917 |
| Geography by Letter - M | 0 | - | 4.49 | 117,908 |
| Geography by Letter - N | 0 | - | 4.51 | 126,529 |
| Geography by Letter - P | 0 | - | 4.47 | 175,453 |
| Geography by Letter - R | 0 | - | 4.44 | 130,708 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 139,938 |
| Geography by Letter - U | 0 | - | 4.53 | 142,409 |
| Asian Geography By Letter - K | 0 | - | 4.74 | 58,031 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,179 |
| Geography A-Z #2 | 0 | - | 4.46 | 52,764 |
| Geography A-Z #5 | 0 | - | 4.47 | 37,244 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,432 |
| Movies that Start with G | 0 | - | 4.48 | 68,355 |
| Movies that Start with I | 0 | - | 4.41 | 65,007 |
| Brand Logos That Start with A | 0 | - | 4.51 | 69,661 |
| Brand Logos That Start With M | 0 | - | 4.45 | 62,138 |
| WWII A-Z #1 | 0 | - | 4.80 | 102,599 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,444 |
| Famous Battles Quiz | 0 | - | 4.21 | 48,896 |
| Name the War | 0 | - | 4.37 | 201,126 |
| Famous U.S. Generals | 0 | - | 4.27 | 38,459 |
| Famous Firsts #1 | 0 | - | 4.40 | 68,921 |
| Famous Families #1 | 0 | - | 4.20 | 83,474 |
| Names for Warriors | 0 | - | 4.40 | 36,849 |
| People in History A-Z #4 | 0 | - | 4.10 | 22,960 |
| Former Countries by Territory Map | 0 | - | 4.96 | 102,007 |
| Empires by Maps | 0 | - | 4.98 | 119,124 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,680 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,923 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,606 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,402 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,193 |
| The 15th Century | 0 | - | 4.43 | 51,116 |
| The 14th Century | 0 | - | 4.55 | 49,218 |
| The 13th Century | 0 | - | 4.48 | 43,196 |
| The 11th and 12th Century | 0 | - | 4.53 | 56,001 |
| Military History A-Z | 0 | - | 4.20 | 21,086 |
| Ye Olde Professions | 0 | - | 4.67 | 156,021 |
| People in History by Wikipedia Descriptions #1 | 0 | - | 4.42 | 44,272 |
| People in History by Wikipedia Descriptions #2 | 0 | - | 4.42 | 39,393 |
| People in History by Wikipedia Descriptions #3 | 0 | - | 4.50 | 36,629 |
| Countries by Military Spending | 0 | - | 4.93 | 176,840 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,308,926 |
| Classic Novels by Plot #2 | 0 | - | 4.87 | 37,680 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 120,021 |
| Animals that Start with L | 0 | - | 4.47 | 101,647 |
| Animals that Start with P | 0 | - | 4.45 | 85,901 |
| Animals that Start with S | 0 | - | 4.49 | 87,091 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 89,885 |
| Geography by Letter on the World Map - C | 0 | - | 4.78 | 116,913 |
| World Cities A-Z by Clue #1 | 0 | - | 4.50 | 67,102 |
| Islands A-Z | 0 | - | 4.46 | 117,041 |
| World Cities A-Z by Clue #2 | 0 | - | 4.40 | 58,418 |
| Human Body A-Z | 0 | - | 4.51 | 128,814 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 35,047 |
| Animals A-Z #1 | 0 | - | 4.41 | 92,980 |
| Africa A-Z | 0 | - | 4.57 | 46,471 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.68 | 56,941 |
| Ethnic Groups A-Z | 0 | - | 4.50 | 42,125 |
| Metals of Antiquity | 0 | - | 4.94 | 93,087 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,376 |
| Space Exploration Trivia | 0 | - | 4.38 | 35,243 |
| WWI... or WWII? | 0 | - | 4.85 | 141,227 |
| Oldest Things | 0 | - | 3.92 | 65,618 |
| Famous Homes - Who Lived There? | 0 | - | 4.09 | 26,786 |
| Famous Firsts #2 | 0 | - | 4.00 | 80,919 |
| Famous Firsts #3 - The United States | 0 | - | 4.17 | 14,560 |
| Famous Generals - Non U.S. | 0 | - | 4.58 | 15,057 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 69,807 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 156,265 |
| Disney A-Z | 0 | - | 4.37 | 86,767 |
| Literature by Letter - A | 0 | - | 4.23 | 31,816 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,091 |
| Companies A-Z | 0 | - | 4.30 | 42,644 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 66,951 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,535 |
| Geography by Letter - G | 0 | - | 4.35 | 125,738 |
| Geography by Letter - F | 0 | - | 4.27 | 137,334 |
| Geography by Letter - J | 0 | - | 4.34 | 122,408 |
| Geography by Letter - O | 0 | - | 4.37 | 129,254 |
| Geography by Letter - V | 0 | - | 4.39 | 121,212 |
| Geography by Letter - W | 0 | - | 4.39 | 114,423 |
| Geography by Letter - Y | 0 | - | 4.39 | 110,902 |
| Geography by Letter - Z | 0 | - | 4.11 | 81,246 |
| Geography by Letter - Q | 0 | - | 4.38 | 69,081 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.18 | 35,160 |
| Video Games A-Z | 0 | - | 4.08 | 38,798 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,136 |
| Middle East A-Z | 0 | - | 4.47 | 45,888 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,222 |
| Movies that Start with A | 0 | - | 4.13 | 61,734 |
| Movies that Start with C | 0 | - | 4.30 | 61,678 |
| Movies that Start with B | 0 | - | 4.36 | 85,032 |
| Movies that Start with D | 0 | - | 4.34 | 68,311 |
| Movies that Start with E | 0 | - | 4.13 | 68,241 |
| Movies that Start with J | 0 | - | 4.18 | 76,009 |
| Movies that Start with L | 0 | - | 4.16 | 60,290 |
| Movies that Start with M | 0 | - | 4.28 | 48,128 |
| Movies that Start with N | 0 | - | 4.02 | 41,162 |
| Movies that Start with P | 0 | - | 4.25 | 54,063 |
| Movies that Start with R | 0 | - | 4.17 | 46,523 |
| Movies that Start with W | 0 | - | 4.07 | 44,182 |
| Movies that Start with T | 0 | - | 4.34 | 49,188 |
| Movies that Start with S | 0 | - | 4.35 | 56,342 |
| Movies that Start with F | 0 | - | 4.13 | 68,726 |
| Music by Letter - F | 0 | - | 4.48 | 26,896 |
| Music by Letter - A | 0 | - | 4.61 | 31,262 |
| Brand Logos That Start With B | 0 | - | 4.38 | 59,519 |
| Brand Logos That Start With D | 0 | - | 4.37 | 61,005 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,253 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,550 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,050 |
| Influential Women in History | 0 | - | 4.42 | 35,252 |
| Google What's the Difference? - History | 0 | - | 4.20 | 46,108 |
| Cradles of Civilization | 0 | - | 4.46 | 39,324 |
| Materials From History #1 | 0 | - | 4.56 | 51,290 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 705,397 |
| Notable People of WWII | 0 | - | 4.53 | 85,435 |
| WWII Trivia #2 | 0 | - | 4.52 | 103,640 |
| World War I Quiz | 0 | - | 4.78 | 100,485 |
| WWI A-Z | 0 | - | 4.50 | 38,122 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 145,454 |
| Famous Explorers | 0 | - | 4.58 | 36,035 |
| Famous Empires by Description | 0 | - | 4.73 | 118,114 |
| Answers by Time Period | 0 | - | 4.63 | 55,386 |
| History of France | 0 | - | 4.59 | 56,500 |
| Star Wars A-Z | 0 | - | 4.46 | 87,496 |
| Musical Acts by Letter - J | 0 | - | 4.20 | 77,287 |
| Musical Acts by Letter - M | 0 | - | 4.14 | 93,112 |
| Musical Acts by Letter - N | 0 | - | 4.17 | 68,174 |
