| 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 | 80,005 |
| History by Letter - R | 0 | - | 4.26 | 121,709 |
| History by Letter - T | 0 | - | 4.39 | 104,916 |
| History by Letter - U | 0 | - | 4.19 | 100,295 |
| 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 | 128,816 |
| Geography by Letter - T | 0 | - | 4.84 | 152,560 |
| 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 | 81,337 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 106,999 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 152,786 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 194,050 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 169,442 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 190,872 |
| 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 | 72,209 |
| 20th Century A-Z | 0 | - | 4.50 | 53,193 |
| 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 | 73,599 |
| Countries That Were Invaded | 0 | - | 4.54 | 96,959 |
| People in History A-Z #5 | 0 | - | 4.09 | 31,818 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 235,028 |
| 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 | 24,397 |
| 15th Century A-Z | 0 | - | 4.49 | 23,407 |
| 14th Century A-Z | 0 | - | 4.41 | 23,781 |
| 17th Century A-Z | 0 | - | 4.78 | 34,184 |
| NATO Military Alphabet | 0 | - | 4.98 | 554,790 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.81 | 798,294 |
| Geography by Letter - A | 0 | - | 4.74 | 210,238 |
| Geography by Letter - B | 0 | - | 4.56 | 183,390 |
| Geography by Letter - H | 0 | - | 4.69 | 149,363 |
| Geography by Letter - C | 0 | - | 4.47 | 157,664 |
| Geography by Letter - D | 0 | - | 4.50 | 149,592 |
| Geography by Letter - E | 0 | - | 4.42 | 146,734 |
| 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 | 147,695 |
| Geography by Letter - M | 0 | - | 4.49 | 117,708 |
| Geography by Letter - N | 0 | - | 4.51 | 126,320 |
| Geography by Letter - P | 0 | - | 4.47 | 175,247 |
| 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 | 142,174 |
| 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 | 69,376 |
| Brand Logos That Start With B | 0 | - | 4.41 | 59,283 |
| Brand Logos That Start With M | 0 | - | 4.45 | 61,868 |
| 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 | 83,418 |
| 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 | 101,720 |
| Empires by Maps | 0 | - | 4.98 | 118,692 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,534 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,744 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,552 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,295 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,126 |
| 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 | 21,049 |
| Ye Olde Professions | 0 | - | 4.67 | 155,803 |
| 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 | 36,601 |
| Countries by Military Spending | 0 | - | 4.93 | 176,522 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,306,027 |
| Classic Novels by Plot #2 | 0 | - | 4.87 | 37,563 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 119,799 |
| Animals that Start with L | 0 | - | 4.47 | 101,361 |
| Animals that Start with P | 0 | - | 4.45 | 85,729 |
| Animals that Start with S | 0 | - | 4.49 | 86,919 |
| 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 | 66,387 |
| Islands A-Z | 0 | - | 4.46 | 116,844 |
| World Cities A-Z by Clue #2 | 0 | - | 4.41 | 57,820 |
| Human Body A-Z | 0 | - | 4.51 | 128,508 |
| Asian Cities A-Z by Clue | 0 | - | 4.51 | 34,499 |
| Animals A-Z #1 | 0 | - | 4.41 | 92,857 |
| Africa A-Z | 0 | - | 4.57 | 46,395 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.60 | 48,072 |
| 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 | 46,227 |
| Space Exploration Trivia | 0 | - | 4.38 | 35,198 |
| WWI... or WWII? | 0 | - | 4.85 | 140,795 |
| Oldest Things | 0 | - | 3.92 | 65,597 |
| Famous Homes - Who Lived There? | 0 | - | 4.09 | 26,772 |
| 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 | 69,697 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 155,914 |
| Disney A-Z | 0 | - | 4.37 | 86,603 |
| 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 | 61,497 |
| Religion A-Z #2 | 0 | - | 4.41 | 36,835 |
| Geography by Letter - G | 0 | - | 4.35 | 125,544 |
| Geography by Letter - F | 0 | - | 4.27 | 137,129 |
| 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 | 120,962 |
| Geography by Letter - W | 0 | - | 4.39 | 114,256 |
| 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 | 39,088 |
| Middle East A-Z | 0 | - | 4.47 | 45,821 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,170 |
| 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 | 54,012 |
| 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 | 60,780 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,084 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,291 |
| Brand Logos That Start With S | 0 | - | 4.37 | 56,814 |
| Influential Women in History | 0 | - | 4.42 | 35,136 |
| Google What's the Difference? - History | 0 | - | 4.20 | 46,046 |
| Cradles of Civilization | 0 | - | 4.46 | 39,199 |
| Materials From History #1 | 0 | - | 4.56 | 50,962 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 704,676 |
| 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 | 38,046 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 145,297 |
| Famous Explorers | 0 | - | 4.58 | 35,992 |
| Famous Empires by Description | 0 | - | 4.73 | 117,991 |
| Answers by Time Period | 0 | - | 4.63 | 55,307 |
| History of France | 0 | - | 4.59 | 56,186 |
| 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 |
