| History by Letter - A | 0 | - | 4.51 | 152,182 |
| History by Letter - B | 0 | - | 4.45 | 171,348 |
| History by Letter - C | 0 | - | 4.70 | 170,412 |
| History by Letter - E | 0 | - | 4.51 | 139,917 |
| History by Letter - G | 0 | - | 4.45 | 121,509 |
| History by Letter - H | 0 | - | 4.45 | 135,940 |
| History by Letter - J | 0 | - | 4.51 | 153,312 |
| History by Letter - N | 0 | - | 4.44 | 103,439 |
| History by Letter - S | 0 | - | 4.47 | 93,720 |
| History by Letter - W | 0 | - | 4.45 | 108,798 |
| History by Letter - M | 0 | - | 4.54 | 119,151 |
| History by Letter - K | 0 | - | 4.50 | 100,869 |
| History by Letter - L | 0 | - | 4.49 | 111,557 |
| History by Letter - I | 0 | - | 4.46 | 103,731 |
| History by Letter - D | 0 | - | 4.39 | 136,943 |
| History by Letter - F | 0 | - | 4.18 | 113,737 |
| History by Letter - O | 0 | - | 4.31 | 99,096 |
| History by Letter - P | 0 | - | 4.38 | 107,391 |
| History by Letter - Q | 0 | - | 4.34 | 80,006 |
| History by Letter - R | 0 | - | 4.26 | 121,710 |
| History by Letter - T | 0 | - | 4.39 | 104,916 |
| History by Letter - U | 0 | - | 4.19 | 100,299 |
| History by Letter - V | 0 | - | 4.27 | 80,402 |
| History by Letter - Y | 0 | - | 4.27 | 86,959 |
| History by Letter - Z | 0 | - | 4.18 | 76,764 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,126 |
| Empires A-Z | 0 | - | 4.51 | 44,856 |
| Same Start and End Letter - History #1 | 0 | - | 4.16 | 24,672 |
| Same Start and End Letter - History #2 | 0 | - | 4.13 | 25,550 |
| Countries that Start with a Vowel | 0 | - | 4.98 | 128,822 |
| Geography by Letter - T | 0 | - | 4.84 | 152,561 |
| People in History A-Z #1 | 0 | - | 4.63 | 98,653 |
| People in History A-Z #2 | 0 | - | 4.47 | 54,851 |
| People in History A-Z #3 | 0 | - | 4.44 | 45,982 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.89 | 81,338 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 107,000 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 152,787 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 194,053 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 169,443 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 190,874 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 299,472 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 179,457 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,212 |
| 20th Century A-Z | 0 | - | 4.50 | 53,194 |
| 19th Century A-Z | 0 | - | 4.77 | 46,757 |
| 18th Century A-Z | 0 | - | 4.54 | 42,665 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 73,600 |
| Countries That Were Invaded | 0 | - | 4.54 | 96,960 |
| People in History A-Z #5 | 0 | - | 4.09 | 31,818 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 235,032 |
| Name an Official Language A-Z | 0 | - | 4.91 | 174,888 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,140 |
| Territory Changes in World War I | 0 | - | 4.86 | 46,263 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 124,939 |
| People Depicted in Paintings | 0 | - | 4.54 | 44,399 |
| 16th Century A-Z | 0 | - | 4.58 | 24,398 |
| 15th Century A-Z | 0 | - | 4.49 | 23,408 |
| 14th Century A-Z | 0 | - | 4.41 | 23,782 |
| 17th Century A-Z | 0 | - | 4.78 | 34,184 |
| NATO Military Alphabet | 0 | - | 4.98 | 554,793 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.81 | 798,305 |
| Geography by Letter - A | 0 | - | 4.74 | 210,240 |
| Geography by Letter - B | 0 | - | 4.56 | 183,392 |
| Geography by Letter - H | 0 | - | 4.69 | 149,364 |
| Geography by Letter - C | 0 | - | 4.47 | 157,665 |
| Geography by Letter - D | 0 | - | 4.50 | 149,593 |
| Geography by Letter - E | 0 | - | 4.42 | 146,736 |
| Geography by Letter - I | 0 | - | 4.42 | 121,271 |
| Geography by Letter - K | 0 | - | 4.53 | 117,397 |
| Geography by Letter - L | 0 | - | 4.43 | 147,696 |
| Geography by Letter - M | 0 | - | 4.49 | 117,709 |
| Geography by Letter - N | 0 | - | 4.51 | 126,322 |
| Geography by Letter - P | 0 | - | 4.47 | 175,249 |
| Geography by Letter - R | 0 | - | 4.43 | 130,456 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 139,694 |
| Geography by Letter - U | 0 | - | 4.54 | 142,175 |
| Asian Geography By Letter - K | 0 | - | 4.74 | 57,997 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,103 |
| Geography A-Z #2 | 0 | - | 4.46 | 52,706 |
| Geography A-Z #5 | 0 | - | 4.47 | 37,200 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,355 |
| Movies that Start with G | 0 | - | 4.48 | 68,272 |
| Movies that Start with I | 0 | - | 4.41 | 64,915 |
| Brand Logos That Start with A | 0 | - | 4.51 | 69,380 |
| Brand Logos That Start With B | 0 | - | 4.41 | 59,286 |
| Brand Logos That Start With M | 0 | - | 4.45 | 61,873 |
| WWII A-Z #1 | 0 | - | 4.80 | 102,444 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,358 |
| Famous Battles Quiz | 0 | - | 4.21 | 48,827 |
| Name the War | 0 | - | 4.37 | 200,850 |
| Famous U.S. Generals | 0 | - | 4.27 | 38,416 |
| Famous Firsts #1 | 0 | - | 4.40 | 68,834 |
| Famous Families #1 | 0 | - | 4.20 | 83,420 |
| Names for Warriors | 0 | - | 4.40 | 36,801 |
| People in History A-Z #4 | 0 | - | 4.10 | 22,934 |
| Former Countries by Territory Map | 0 | - | 4.96 | 101,721 |
| Empires by Maps | 0 | - | 4.98 | 118,692 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,535 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,745 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,554 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,296 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,127 |
| The 15th Century | 0 | - | 4.43 | 51,078 |
| The 14th Century | 0 | - | 4.55 | 49,184 |
| The 13th Century | 0 | - | 4.48 | 43,163 |
| The 11th and 12th Century | 0 | - | 4.53 | 55,964 |
| Military History A-Z | 0 | - | 4.20 | 21,050 |
| Ye Olde Professions | 0 | - | 4.67 | 155,806 |
| People in History by Wikipedia Descriptions #1 | 0 | - | 4.42 | 44,223 |
| People in History by Wikipedia Descriptions #2 | 0 | - | 4.42 | 39,348 |
| People in History by Wikipedia Descriptions #3 | 0 | - | 4.50 | 36,602 |
| Countries by Military Spending | 0 | - | 4.93 | 176,523 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,306,037 |
| Classic Novels by Plot #2 | 0 | - | 4.87 | 37,565 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 119,800 |
| Animals that Start with L | 0 | - | 4.47 | 101,366 |
| Animals that Start with P | 0 | - | 4.45 | 85,734 |
| Animals that Start with S | 0 | - | 4.49 | 86,923 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 89,692 |
| Geography by Letter on the World Map - C | 0 | - | 4.78 | 116,676 |
| World Cities A-Z by Clue #1 | 0 | - | 4.51 | 66,393 |
| Islands A-Z | 0 | - | 4.46 | 116,844 |
| World Cities A-Z by Clue #2 | 0 | - | 4.41 | 57,829 |
| Human Body A-Z | 0 | - | 4.51 | 128,510 |
| Asian Cities A-Z by Clue | 0 | - | 4.51 | 34,502 |
| Animals A-Z #1 | 0 | - | 4.41 | 92,858 |
| Africa A-Z | 0 | - | 4.57 | 46,395 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.60 | 48,466 |
| Ethnic Groups A-Z | 0 | - | 4.50 | 42,067 |
| Metals of Antiquity | 0 | - | 4.94 | 92,967 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,229 |
| Space Exploration Trivia | 0 | - | 4.38 | 35,198 |
| WWI... or WWII? | 0 | - | 4.85 | 140,798 |
| Oldest Things | 0 | - | 3.92 | 65,597 |
| Famous Homes - Who Lived There? | 0 | - | 4.09 | 26,773 |
| Famous Firsts #2 | 0 | - | 4.00 | 80,855 |
| Famous Firsts #3 - The United States | 0 | - | 4.17 | 14,494 |
| Famous Generals - Non U.S. | 0 | - | 4.58 | 15,019 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 69,698 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 155,915 |
| Disney A-Z | 0 | - | 4.37 | 86,604 |
| Literature by Letter - A | 0 | - | 4.23 | 31,772 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,074 |
| Companies A-Z | 0 | - | 4.30 | 42,620 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 66,874 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,498 |
| Religion A-Z #2 | 0 | - | 4.41 | 36,836 |
| Geography by Letter - G | 0 | - | 4.35 | 125,544 |
| Geography by Letter - F | 0 | - | 4.27 | 137,130 |
| Geography by Letter - J | 0 | - | 4.34 | 122,218 |
| Geography by Letter - O | 0 | - | 4.37 | 129,065 |
| Geography by Letter - V | 0 | - | 4.39 | 120,963 |
| Geography by Letter - W | 0 | - | 4.39 | 114,257 |
| Geography by Letter - Y | 0 | - | 4.39 | 110,726 |
| Geography by Letter - Z | 0 | - | 4.11 | 81,086 |
| Geography by Letter - Q | 0 | - | 4.38 | 68,932 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.18 | 35,125 |
| Video Games A-Z | 0 | - | 4.08 | 38,727 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,089 |
| Middle East A-Z | 0 | - | 4.47 | 45,822 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,172 |
| Movies that Start with A | 0 | - | 4.13 | 61,656 |
| Movies that Start with C | 0 | - | 4.30 | 61,604 |
| Movies that Start with B | 0 | - | 4.35 | 84,936 |
| Movies that Start with D | 0 | - | 4.34 | 68,239 |
| Movies that Start with E | 0 | - | 4.13 | 68,184 |
| Movies that Start with J | 0 | - | 4.18 | 75,938 |
| Movies that Start with L | 0 | - | 4.16 | 60,234 |
| Movies that Start with M | 0 | - | 4.28 | 48,077 |
| 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 | 46,465 |
| Movies that Start with W | 0 | - | 4.07 | 44,142 |
| Movies that Start with T | 0 | - | 4.33 | 49,129 |
| Movies that Start with S | 0 | - | 4.35 | 56,279 |
| Movies that Start with F | 0 | - | 4.13 | 68,656 |
| Music by Letter - F | 0 | - | 4.48 | 26,847 |
| Music by Letter - A | 0 | - | 4.61 | 31,215 |
| Brand Logos That Start With D | 0 | - | 4.37 | 60,783 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,087 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,293 |
| Brand Logos That Start With S | 0 | - | 4.37 | 56,814 |
| Influential Women in History | 0 | - | 4.42 | 35,137 |
| Google What's the Difference? - History | 0 | - | 4.20 | 46,046 |
| Cradles of Civilization | 0 | - | 4.46 | 39,201 |
| Materials From History #1 | 0 | - | 4.56 | 50,974 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 704,678 |
| Notable People of WWII | 0 | - | 4.53 | 85,344 |
| WWII Trivia #2 | 0 | - | 4.52 | 103,467 |
| World War I Quiz | 0 | - | 4.78 | 100,321 |
| WWI A-Z | 0 | - | 4.50 | 38,048 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 145,298 |
| Famous Explorers | 0 | - | 4.58 | 35,992 |
| Famous Empires by Description | 0 | - | 4.73 | 117,992 |
| Answers by Time Period | 0 | - | 4.63 | 55,307 |
| History of France | 0 | - | 4.59 | 56,188 |
| Star Wars A-Z | 0 | - | 4.46 | 87,236 |
| Musical Acts by Letter - J | 0 | - | 4.20 | 77,212 |
| Musical Acts by Letter - M | 0 | - | 4.14 | 92,999 |
| Musical Acts by Letter - N | 0 | - | 4.17 | 68,102 |
