| History by Letter - A | 0 | - | 4.51 | 152,334 |
| History by Letter - B | 0 | - | 4.45 | 171,516 |
| History by Letter - C | 0 | - | 4.70 | 170,610 |
| History by Letter - E | 0 | - | 4.51 | 140,058 |
| History by Letter - G | 0 | - | 4.46 | 121,621 |
| History by Letter - H | 0 | - | 4.45 | 136,064 |
| History by Letter - J | 0 | - | 4.51 | 153,450 |
| History by Letter - N | 0 | - | 4.45 | 103,540 |
| History by Letter - S | 0 | - | 4.47 | 93,808 |
| History by Letter - W | 0 | - | 4.45 | 108,907 |
| History by Letter - M | 0 | - | 4.54 | 119,255 |
| History by Letter - K | 0 | - | 4.50 | 100,960 |
| History by Letter - L | 0 | - | 4.50 | 111,653 |
| History by Letter - I | 0 | - | 4.46 | 103,819 |
| History by Letter - D | 0 | - | 4.39 | 137,064 |
| History by Letter - F | 0 | - | 4.18 | 113,832 |
| History by Letter - O | 0 | - | 4.32 | 99,190 |
| History by Letter - P | 0 | - | 4.39 | 107,476 |
| History by Letter - Q | 0 | - | 4.34 | 80,079 |
| History by Letter - R | 0 | - | 4.26 | 121,808 |
| History by Letter - T | 0 | - | 4.39 | 104,984 |
| History by Letter - U | 0 | - | 4.19 | 100,480 |
| History by Letter - V | 0 | - | 4.27 | 80,492 |
| History by Letter - Y | 0 | - | 4.27 | 87,029 |
| History by Letter - Z | 0 | - | 4.18 | 76,823 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,151 |
| Empires A-Z | 0 | - | 4.51 | 44,924 |
| Same Start and End Letter - History #1 | 0 | - | 4.17 | 24,692 |
| Same Start and End Letter - History #2 | 0 | - | 4.13 | 25,577 |
| Countries that Start with a Vowel | 0 | - | 4.99 | 129,107 |
| Geography by Letter - T | 0 | - | 4.84 | 152,797 |
| People in History A-Z #1 | 0 | - | 4.63 | 98,726 |
| People in History A-Z #2 | 0 | - | 4.47 | 54,898 |
| People in History A-Z #3 | 0 | - | 4.44 | 46,024 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.89 | 81,488 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 107,161 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 152,915 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 194,284 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 169,582 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 191,126 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 299,725 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 179,582 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,332 |
| 20th Century A-Z | 0 | - | 4.50 | 53,240 |
| 19th Century A-Z | 0 | - | 4.77 | 46,793 |
| 18th Century A-Z | 0 | - | 4.54 | 42,686 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 73,699 |
| Countries That Were Invaded | 0 | - | 4.54 | 97,042 |
| People in History A-Z #5 | 0 | - | 4.09 | 31,843 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 235,425 |
| Name an Official Language A-Z | 0 | - | 4.91 | 175,105 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,193 |
| Territory Changes in World War I | 0 | - | 4.86 | 46,336 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 124,996 |
| People Depicted in Paintings | 0 | - | 4.54 | 44,447 |
| 16th Century A-Z | 0 | - | 4.58 | 24,426 |
| 15th Century A-Z | 0 | - | 4.49 | 23,424 |
| 14th Century A-Z | 0 | - | 4.41 | 23,830 |
| 17th Century A-Z | 0 | - | 4.78 | 34,209 |
| NATO Military Alphabet | 0 | - | 4.98 | 555,627 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.81 | 798,923 |
| Religion A-Z #2 | 0 | - | 4.41 | 36,878 |
| Geography by Letter - A | 0 | - | 4.74 | 210,650 |
| Geography by Letter - B | 0 | - | 4.56 | 183,632 |
| Geography by Letter - H | 0 | - | 4.69 | 149,526 |
| Geography by Letter - C | 0 | - | 4.47 | 157,876 |
| Geography by Letter - D | 0 | - | 4.50 | 149,779 |
| Geography by Letter - E | 0 | - | 4.42 | 146,906 |
| Geography by Letter - I | 0 | - | 4.42 | 121,410 |
| Geography by Letter - K | 0 | - | 4.53 | 117,534 |
| Geography by Letter - L | 0 | - | 4.43 | 147,853 |
| Geography by Letter - M | 0 | - | 4.49 | 117,850 |
| Geography by Letter - N | 0 | - | 4.51 | 126,462 |
| Geography by Letter - P | 0 | - | 4.47 | 175,388 |
| Geography by Letter - R | 0 | - | 4.44 | 130,630 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 139,870 |
| Geography by Letter - U | 0 | - | 4.53 | 142,334 |
| Asian Geography By Letter - K | 0 | - | 4.74 | 58,018 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,161 |
| Geography A-Z #2 | 0 | - | 4.46 | 52,742 |
| Geography A-Z #5 | 0 | - | 4.47 | 37,232 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,408 |
| Movies that Start with G | 0 | - | 4.48 | 68,319 |
| Movies that Start with I | 0 | - | 4.41 | 64,963 |
| Brand Logos That Start with A | 0 | - | 4.51 | 69,565 |
| Brand Logos That Start With B | 0 | - | 4.38 | 59,437 |
| Brand Logos That Start With M | 0 | - | 4.45 | 62,059 |
| WWII A-Z #1 | 0 | - | 4.80 | 102,535 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,405 |
| Famous Battles Quiz | 0 | - | 4.21 | 48,876 |
| Name the War | 0 | - | 4.37 | 201,033 |
| Famous U.S. Generals | 0 | - | 4.27 | 38,448 |
| Famous Firsts #1 | 0 | - | 4.40 | 68,871 |
| Famous Families #1 | 0 | - | 4.20 | 83,462 |
| Names for Warriors | 0 | - | 4.40 | 36,837 |
| People in History A-Z #4 | 0 | - | 4.10 | 22,952 |
| Former Countries by Territory Map | 0 | - | 4.96 | 101,907 |
| Empires by Maps | 0 | - | 4.98 | 118,970 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,631 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,866 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,584 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,364 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,172 |
| The 15th Century | 0 | - | 4.43 | 51,105 |
| The 14th Century | 0 | - | 4.55 | 49,211 |
| The 13th Century | 0 | - | 4.48 | 43,186 |
| The 11th and 12th Century | 0 | - | 4.53 | 55,989 |
| Military History A-Z | 0 | - | 4.20 | 21,077 |
| Ye Olde Professions | 0 | - | 4.67 | 155,964 |
| People in History by Wikipedia Descriptions #1 | 0 | - | 4.42 | 44,259 |
| People in History by Wikipedia Descriptions #2 | 0 | - | 4.42 | 39,375 |
| People in History by Wikipedia Descriptions #3 | 0 | - | 4.50 | 36,615 |
| Countries by Military Spending | 0 | - | 4.93 | 176,723 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,307,966 |
| Classic Novels by Plot #2 | 0 | - | 4.87 | 37,636 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.91 | 119,932 |
| Animals that Start with L | 0 | - | 4.47 | 101,625 |
| Animals that Start with P | 0 | - | 4.45 | 85,873 |
| Animals that Start with S | 0 | - | 4.49 | 87,056 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 89,816 |
| Geography by Letter on the World Map - C | 0 | - | 4.78 | 116,838 |
| World Cities A-Z by Clue #1 | 0 | - | 4.50 | 66,930 |
| Islands A-Z | 0 | - | 4.46 | 116,967 |
| World Cities A-Z by Clue #2 | 0 | - | 4.41 | 58,292 |
| Human Body A-Z | 0 | - | 4.51 | 128,765 |
| Asian Cities A-Z by Clue | 0 | - | 4.51 | 34,911 |
| Animals A-Z #1 | 0 | - | 4.41 | 92,941 |
| Africa A-Z | 0 | - | 4.57 | 46,440 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.68 | 56,544 |
| Ethnic Groups A-Z | 0 | - | 4.50 | 42,102 |
| Metals of Antiquity | 0 | - | 4.94 | 93,049 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,320 |
| Space Exploration Trivia | 0 | - | 4.38 | 35,232 |
| WWI... or WWII? | 0 | - | 4.85 | 141,037 |
| Oldest Things | 0 | - | 3.92 | 65,610 |
| Famous Homes - Who Lived There? | 0 | - | 4.09 | 26,784 |
| Famous Firsts #2 | 0 | - | 4.00 | 80,873 |
| Famous Firsts #3 - The United States | 0 | - | 4.17 | 14,508 |
| Famous Generals - Non U.S. | 0 | - | 4.58 | 15,043 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 69,782 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 156,138 |
| Disney A-Z | 0 | - | 4.37 | 86,709 |
| Literature by Letter - A | 0 | - | 4.23 | 31,801 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,085 |
| Companies A-Z | 0 | - | 4.30 | 42,638 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 66,922 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,527 |
| Geography by Letter - G | 0 | - | 4.35 | 125,680 |
| Geography by Letter - F | 0 | - | 4.27 | 137,271 |
| Geography by Letter - J | 0 | - | 4.34 | 122,356 |
| Geography by Letter - O | 0 | - | 4.37 | 129,201 |
| Geography by Letter - V | 0 | - | 4.39 | 121,134 |
| Geography by Letter - W | 0 | - | 4.39 | 114,370 |
| Geography by Letter - Y | 0 | - | 4.39 | 110,848 |
| Geography by Letter - Z | 0 | - | 4.11 | 81,202 |
| Geography by Letter - Q | 0 | - | 4.38 | 69,045 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.18 | 35,147 |
| Video Games A-Z | 0 | - | 4.08 | 38,772 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,121 |
| Middle East A-Z | 0 | - | 4.47 | 45,872 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,205 |
| Movies that Start with A | 0 | - | 4.13 | 61,707 |
| Movies that Start with C | 0 | - | 4.30 | 61,648 |
| Movies that Start with B | 0 | - | 4.36 | 84,995 |
| Movies that Start with D | 0 | - | 4.34 | 68,281 |
| Movies that Start with E | 0 | - | 4.13 | 68,217 |
| Movies that Start with J | 0 | - | 4.18 | 75,979 |
| Movies that Start with L | 0 | - | 4.16 | 60,261 |
| Movies that Start with M | 0 | - | 4.28 | 48,106 |
| Movies that Start with N | 0 | - | 4.02 | 41,140 |
| Movies that Start with P | 0 | - | 4.25 | 54,040 |
| Movies that Start with R | 0 | - | 4.17 | 46,495 |
| Movies that Start with W | 0 | - | 4.07 | 44,164 |
| Movies that Start with T | 0 | - | 4.33 | 49,161 |
| Movies that Start with S | 0 | - | 4.35 | 56,314 |
| Movies that Start with F | 0 | - | 4.13 | 68,696 |
| Music by Letter - F | 0 | - | 4.48 | 26,878 |
| Music by Letter - A | 0 | - | 4.61 | 31,247 |
| Brand Logos That Start With D | 0 | - | 4.37 | 60,919 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,190 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,451 |
| Brand Logos That Start With S | 0 | - | 4.37 | 56,960 |
| Influential Women in History | 0 | - | 4.42 | 35,226 |
| Google What's the Difference? - History | 0 | - | 4.20 | 46,088 |
| Cradles of Civilization | 0 | - | 4.46 | 39,279 |
| Materials From History #1 | 0 | - | 4.56 | 51,269 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 705,150 |
| Notable People of WWII | 0 | - | 4.53 | 85,401 |
| WWII Trivia #2 | 0 | - | 4.52 | 103,564 |
| World War I Quiz | 0 | - | 4.78 | 100,422 |
| WWI A-Z | 0 | - | 4.50 | 38,087 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 145,402 |
| Famous Explorers | 0 | - | 4.58 | 36,017 |
| Famous Empires by Description | 0 | - | 4.73 | 118,068 |
| Answers by Time Period | 0 | - | 4.63 | 55,356 |
| History of France | 0 | - | 4.59 | 56,413 |
| Star Wars A-Z | 0 | - | 4.46 | 87,335 |
| Musical Acts by Letter - J | 0 | - | 4.20 | 77,262 |
| Musical Acts by Letter - M | 0 | - | 4.14 | 93,070 |
| Musical Acts by Letter - N | 0 | - | 4.17 | 68,150 |
