| History by Letter - A | 0 | - | 4.51 | 152,157 |
| History by Letter - B | 0 | - | 4.45 | 171,307 |
| History by Letter - C | 0 | - | 4.70 | 170,374 |
| History by Letter - E | 0 | - | 4.51 | 139,896 |
| History by Letter - G | 0 | - | 4.45 | 121,483 |
| History by Letter - H | 0 | - | 4.45 | 135,907 |
| History by Letter - J | 0 | - | 4.51 | 153,277 |
| History by Letter - N | 0 | - | 4.44 | 103,417 |
| History by Letter - S | 0 | - | 4.47 | 93,698 |
| History by Letter - W | 0 | - | 4.45 | 108,770 |
| History by Letter - M | 0 | - | 4.54 | 119,130 |
| History by Letter - K | 0 | - | 4.50 | 100,851 |
| History by Letter - L | 0 | - | 4.49 | 111,542 |
| History by Letter - I | 0 | - | 4.46 | 103,706 |
| History by Letter - D | 0 | - | 4.39 | 136,918 |
| History by Letter - F | 0 | - | 4.18 | 113,719 |
| History by Letter - O | 0 | - | 4.31 | 99,076 |
| History by Letter - P | 0 | - | 4.38 | 107,376 |
| History by Letter - Q | 0 | - | 4.34 | 79,995 |
| History by Letter - R | 0 | - | 4.26 | 121,686 |
| History by Letter - T | 0 | - | 4.39 | 104,900 |
| History by Letter - U | 0 | - | 4.19 | 100,269 |
| History by Letter - V | 0 | - | 4.27 | 80,386 |
| History by Letter - Y | 0 | - | 4.27 | 86,948 |
| History by Letter - Z | 0 | - | 4.18 | 76,753 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,122 |
| Empires A-Z | 0 | - | 4.51 | 44,846 |
| Same Start and End Letter - History #1 | 0 | - | 4.16 | 24,669 |
| Same Start and End Letter - History #2 | 0 | - | 4.13 | 25,549 |
| Countries that Start with a Vowel | 0 | - | 4.98 | 128,755 |
| Geography by Letter - T | 0 | - | 4.84 | 152,496 |
| People in History A-Z #1 | 0 | - | 4.63 | 98,627 |
| People in History A-Z #2 | 0 | - | 4.47 | 54,835 |
| People in History A-Z #3 | 0 | - | 4.44 | 45,970 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.89 | 81,307 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 106,963 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 152,768 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 194,005 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 169,424 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 190,823 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 299,437 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 179,420 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,192 |
| 20th Century A-Z | 0 | - | 4.50 | 53,180 |
| 19th Century A-Z | 0 | - | 4.77 | 46,748 |
| 18th Century A-Z | 0 | - | 4.54 | 42,657 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 73,578 |
| Countries That Were Invaded | 0 | - | 4.54 | 96,937 |
| People in History A-Z #5 | 0 | - | 4.09 | 31,808 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 234,944 |
| Name an Official Language A-Z | 0 | - | 4.91 | 174,839 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,126 |
| Territory Changes in World War I | 0 | - | 4.86 | 46,249 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 124,924 |
| People Depicted in Paintings | 0 | - | 4.54 | 44,395 |
| 16th Century A-Z | 0 | - | 4.58 | 24,391 |
| 15th Century A-Z | 0 | - | 4.49 | 23,401 |
| 14th Century A-Z | 0 | - | 4.41 | 23,764 |
| 17th Century A-Z | 0 | - | 4.78 | 34,177 |
| NATO Military Alphabet | 0 | - | 4.98 | 554,544 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.81 | 798,138 |
| Geography by Letter - A | 0 | - | 4.74 | 210,174 |
| Geography by Letter - B | 0 | - | 4.56 | 183,332 |
| Geography by Letter - H | 0 | - | 4.69 | 149,327 |
| Geography by Letter - C | 0 | - | 4.47 | 157,617 |
| Geography by Letter - D | 0 | - | 4.50 | 149,548 |
| Geography by Letter - E | 0 | - | 4.42 | 146,692 |
| Geography by Letter - I | 0 | - | 4.42 | 121,242 |
| Geography by Letter - K | 0 | - | 4.53 | 117,373 |
| Geography by Letter - L | 0 | - | 4.43 | 147,664 |
| Geography by Letter - M | 0 | - | 4.49 | 117,675 |
| Geography by Letter - N | 0 | - | 4.51 | 126,290 |
| Geography by Letter - P | 0 | - | 4.47 | 175,206 |
| Geography by Letter - R | 0 | - | 4.43 | 130,393 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 139,659 |
| Geography by Letter - U | 0 | - | 4.54 | 142,121 |
| Asian Geography By Letter - K | 0 | - | 4.74 | 57,991 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,083 |
| Geography A-Z #2 | 0 | - | 4.46 | 52,696 |
| Geography A-Z #5 | 0 | - | 4.47 | 37,196 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,344 |
| Movies that Start with G | 0 | - | 4.48 | 68,258 |
| Movies that Start with I | 0 | - | 4.41 | 64,905 |
| Brand Logos That Start with A | 0 | - | 4.51 | 69,318 |
| Brand Logos That Start With B | 0 | - | 4.41 | 59,233 |
| Brand Logos That Start With M | 0 | - | 4.45 | 61,810 |
| WWII A-Z #1 | 0 | - | 4.80 | 102,421 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,346 |
| Famous Battles Quiz | 0 | - | 4.21 | 48,816 |
| Name the War | 0 | - | 4.37 | 200,813 |
| Famous U.S. Generals | 0 | - | 4.27 | 38,413 |
| Famous Firsts #1 | 0 | - | 4.40 | 68,830 |
| Famous Families #1 | 0 | - | 4.20 | 83,410 |
| Names for Warriors | 0 | - | 4.40 | 36,799 |
| People in History A-Z #4 | 0 | - | 4.10 | 22,927 |
| Former Countries by Territory Map | 0 | - | 4.96 | 101,635 |
| Empires by Maps | 0 | - | 4.98 | 118,613 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,502 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,695 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,540 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,259 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,108 |
| The 15th Century | 0 | - | 4.43 | 51,072 |
| The 14th Century | 0 | - | 4.55 | 49,179 |
| The 13th Century | 0 | - | 4.48 | 43,159 |
| The 11th and 12th Century | 0 | - | 4.53 | 55,960 |
| Military History A-Z | 0 | - | 4.20 | 21,044 |
| Ye Olde Professions | 0 | - | 4.67 | 155,771 |
| People in History by Wikipedia Descriptions #1 | 0 | - | 4.42 | 44,216 |
| People in History by Wikipedia Descriptions #2 | 0 | - | 4.42 | 39,341 |
| People in History by Wikipedia Descriptions #3 | 0 | - | 4.50 | 36,595 |
| Countries by Military Spending | 0 | - | 4.93 | 176,460 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,305,558 |
| Classic Novels by Plot #2 | 0 | - | 4.87 | 37,544 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 119,746 |
| Animals that Start with L | 0 | - | 4.47 | 101,326 |
| Animals that Start with P | 0 | - | 4.45 | 85,709 |
| Animals that Start with S | 0 | - | 4.49 | 86,899 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 89,664 |
| Geography by Letter on the World Map - C | 0 | - | 4.78 | 116,645 |
| World Cities A-Z by Clue #1 | 0 | - | 4.49 | 66,234 |
| Islands A-Z | 0 | - | 4.46 | 116,806 |
| Human Body A-Z | 0 | - | 4.51 | 128,474 |
| Asian Cities A-Z by Clue | 0 | - | 4.51 | 34,383 |
| Animals A-Z #1 | 0 | - | 4.41 | 92,834 |
| Africa A-Z | 0 | - | 4.57 | 46,386 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.60 | 47,537 |
| Ethnic Groups A-Z | 0 | - | 4.50 | 42,062 |
| Metals of Antiquity | 0 | - | 4.94 | 92,941 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,206 |
| Space Exploration Trivia | 0 | - | 4.38 | 35,191 |
| WWI... or WWII? | 0 | - | 4.85 | 140,728 |
| Oldest Things | 0 | - | 3.92 | 65,595 |
| Famous Homes - Who Lived There? | 0 | - | 4.09 | 26,768 |
| Famous Firsts #2 | 0 | - | 4.00 | 80,851 |
| Famous Firsts #3 - The United States | 0 | - | 4.17 | 14,492 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 69,678 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 155,871 |
| Disney A-Z | 0 | - | 4.37 | 86,563 |
| Literature by Letter - A | 0 | - | 4.23 | 31,768 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,073 |
| Companies A-Z | 0 | - | 4.30 | 42,614 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 66,859 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,494 |
| Religion A-Z #2 | 0 | - | 4.40 | 36,824 |
| Geography by Letter - G | 0 | - | 4.35 | 125,505 |
| Geography by Letter - F | 0 | - | 4.27 | 137,088 |
| Geography by Letter - J | 0 | - | 4.34 | 122,194 |
| Geography by Letter - O | 0 | - | 4.37 | 129,029 |
| Geography by Letter - V | 0 | - | 4.39 | 120,928 |
| Geography by Letter - W | 0 | - | 4.39 | 114,229 |
| Geography by Letter - Y | 0 | - | 4.39 | 110,692 |
| Geography by Letter - Z | 0 | - | 4.11 | 81,063 |
| Geography by Letter - Q | 0 | - | 4.38 | 68,903 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.18 | 35,117 |
| Video Games A-Z | 0 | - | 4.08 | 38,716 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,082 |
| Middle East A-Z | 0 | - | 4.47 | 45,807 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,161 |
| Movies that Start with A | 0 | - | 4.13 | 61,648 |
| Movies that Start with C | 0 | - | 4.30 | 61,593 |
| Movies that Start with B | 0 | - | 4.35 | 84,926 |
| Movies that Start with D | 0 | - | 4.34 | 68,229 |
| Movies that Start with E | 0 | - | 4.13 | 68,174 |
| Movies that Start with J | 0 | - | 4.18 | 75,927 |
| Movies that Start with L | 0 | - | 4.16 | 60,230 |
| Movies that Start with M | 0 | - | 4.28 | 48,070 |
| Movies that Start with N | 0 | - | 4.02 | 41,110 |
| Movies that Start with P | 0 | - | 4.25 | 54,005 |
| Movies that Start with R | 0 | - | 4.17 | 46,452 |
| Movies that Start with W | 0 | - | 4.07 | 44,137 |
| Movies that Start with T | 0 | - | 4.33 | 49,121 |
| Movies that Start with S | 0 | - | 4.35 | 56,272 |
| Movies that Start with F | 0 | - | 4.13 | 68,646 |
| Music by Letter - F | 0 | - | 4.48 | 26,838 |
| Music by Letter - A | 0 | - | 4.61 | 31,207 |
| Brand Logos That Start With D | 0 | - | 4.37 | 60,720 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,046 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,231 |
| Brand Logos That Start With S | 0 | - | 4.37 | 56,760 |
| Influential Women in History | 0 | - | 4.42 | 35,077 |
| Google What's the Difference? - History | 0 | - | 4.20 | 46,035 |
| Cradles of Civilization | 0 | - | 4.46 | 39,138 |
| Materials From History #1 | 0 | - | 4.56 | 50,684 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 704,524 |
| Notable People of WWII | 0 | - | 4.53 | 85,329 |
| WWII Trivia #2 | 0 | - | 4.52 | 103,448 |
| World War I Quiz | 0 | - | 4.78 | 100,294 |
| WWI A-Z | 0 | - | 4.50 | 38,036 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 145,250 |
| Famous Explorers | 0 | - | 4.58 | 35,974 |
| Famous Empires by Description | 0 | - | 4.73 | 117,948 |
| Answers by Time Period | 0 | - | 4.63 | 55,288 |
| History of France | 0 | - | 4.59 | 56,135 |
| Star Wars A-Z | 0 | - | 4.46 | 87,207 |
| Musical Acts by Letter - J | 0 | - | 4.20 | 77,191 |
| Musical Acts by Letter - M | 0 | - | 4.14 | 92,980 |
| Musical Acts by Letter - N | 0 | - | 4.17 | 68,087 |
| Musical Acts by Letter - P | 0 | - | 4.24 | 65,171 |
| Musical Acts by Letter - R | 0 | - | 4.33 | 83,001 |
