| History by Letter - A | 0 | - | 4.51 | 152,168 |
| History by Letter - B | 0 | - | 4.45 | 171,326 |
| History by Letter - C | 0 | - | 4.70 | 170,384 |
| History by Letter - E | 0 | - | 4.51 | 139,903 |
| History by Letter - G | 0 | - | 4.45 | 121,490 |
| History by Letter - H | 0 | - | 4.45 | 135,921 |
| History by Letter - J | 0 | - | 4.51 | 153,292 |
| History by Letter - N | 0 | - | 4.44 | 103,428 |
| History by Letter - S | 0 | - | 4.47 | 93,709 |
| History by Letter - W | 0 | - | 4.45 | 108,781 |
| History by Letter - M | 0 | - | 4.54 | 119,138 |
| History by Letter - K | 0 | - | 4.50 | 100,860 |
| History by Letter - L | 0 | - | 4.49 | 111,548 |
| History by Letter - I | 0 | - | 4.46 | 103,718 |
| History by Letter - D | 0 | - | 4.39 | 136,930 |
| History by Letter - F | 0 | - | 4.18 | 113,728 |
| History by Letter - O | 0 | - | 4.31 | 99,085 |
| History by Letter - P | 0 | - | 4.38 | 107,383 |
| History by Letter - Q | 0 | - | 4.34 | 79,998 |
| History by Letter - R | 0 | - | 4.26 | 121,697 |
| History by Letter - T | 0 | - | 4.39 | 104,905 |
| History by Letter - U | 0 | - | 4.19 | 100,278 |
| History by Letter - V | 0 | - | 4.27 | 80,392 |
| History by Letter - Y | 0 | - | 4.27 | 86,953 |
| History by Letter - Z | 0 | - | 4.18 | 76,758 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,123 |
| Empires A-Z | 0 | - | 4.51 | 44,849 |
| Same Start and End Letter - History #1 | 0 | - | 4.16 | 24,672 |
| Same Start and End Letter - History #2 | 0 | - | 4.13 | 25,549 |
| Countries that Start with a Vowel | 0 | - | 4.98 | 128,782 |
| Geography by Letter - T | 0 | - | 4.84 | 152,531 |
| People in History A-Z #1 | 0 | - | 4.63 | 98,641 |
| People in History A-Z #2 | 0 | - | 4.47 | 54,844 |
| People in History A-Z #3 | 0 | - | 4.44 | 45,978 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.89 | 81,321 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 106,976 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 152,776 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 194,027 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 169,432 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 190,845 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 299,454 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 179,441 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,201 |
| 20th Century A-Z | 0 | - | 4.50 | 53,189 |
| 19th Century A-Z | 0 | - | 4.77 | 46,752 |
| 18th Century A-Z | 0 | - | 4.54 | 42,659 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 73,590 |
| Countries That Were Invaded | 0 | - | 4.54 | 96,950 |
| People in History A-Z #5 | 0 | - | 4.09 | 31,815 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 234,975 |
| Name an Official Language A-Z | 0 | - | 4.91 | 174,867 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,129 |
| Territory Changes in World War I | 0 | - | 4.86 | 46,256 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 124,936 |
| People Depicted in Paintings | 0 | - | 4.54 | 44,396 |
| 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 | 23,769 |
| 17th Century A-Z | 0 | - | 4.78 | 34,178 |
| NATO Military Alphabet | 0 | - | 4.98 | 554,664 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.81 | 798,223 |
| Geography by Letter - A | 0 | - | 4.74 | 210,207 |
| Geography by Letter - B | 0 | - | 4.56 | 183,363 |
| Geography by Letter - H | 0 | - | 4.69 | 149,346 |
| Geography by Letter - C | 0 | - | 4.47 | 157,639 |
| Geography by Letter - D | 0 | - | 4.50 | 149,571 |
| Geography by Letter - E | 0 | - | 4.42 | 146,713 |
| Geography by Letter - I | 0 | - | 4.42 | 121,263 |
| Geography by Letter - K | 0 | - | 4.53 | 117,384 |
| Geography by Letter - L | 0 | - | 4.43 | 147,678 |
| Geography by Letter - M | 0 | - | 4.49 | 117,692 |
| Geography by Letter - N | 0 | - | 4.51 | 126,304 |
| Geography by Letter - P | 0 | - | 4.47 | 175,224 |
| Geography by Letter - R | 0 | - | 4.43 | 130,424 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 139,675 |
| Geography by Letter - U | 0 | - | 4.54 | 142,150 |
| Asian Geography By Letter - K | 0 | - | 4.74 | 57,994 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,090 |
| Geography A-Z #2 | 0 | - | 4.46 | 52,702 |
| Geography A-Z #5 | 0 | - | 4.47 | 37,200 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,353 |
| Movies that Start with G | 0 | - | 4.48 | 68,268 |
| Movies that Start with I | 0 | - | 4.41 | 64,910 |
| Brand Logos That Start with A | 0 | - | 4.51 | 69,347 |
| Brand Logos That Start With B | 0 | - | 4.41 | 59,261 |
| Brand Logos That Start With M | 0 | - | 4.45 | 61,835 |
| WWII A-Z #1 | 0 | - | 4.80 | 102,432 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,353 |
| Famous Battles Quiz | 0 | - | 4.21 | 48,823 |
| Name the War | 0 | - | 4.37 | 200,824 |
| Famous U.S. Generals | 0 | - | 4.27 | 38,415 |
| Famous Firsts #1 | 0 | - | 4.40 | 68,832 |
| Famous Families #1 | 0 | - | 4.20 | 83,411 |
| Names for Warriors | 0 | - | 4.40 | 36,800 |
| People in History A-Z #4 | 0 | - | 4.10 | 22,933 |
| Former Countries by Territory Map | 0 | - | 4.96 | 101,681 |
| Empires by Maps | 0 | - | 4.98 | 118,654 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,514 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,717 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,544 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,275 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,114 |
| The 15th Century | 0 | - | 4.43 | 51,075 |
| The 14th Century | 0 | - | 4.55 | 49,182 |
| The 13th Century | 0 | - | 4.48 | 43,161 |
| The 11th and 12th Century | 0 | - | 4.53 | 55,961 |
| Military History A-Z | 0 | - | 4.20 | 21,048 |
| Ye Olde Professions | 0 | - | 4.67 | 155,783 |
| People in History by Wikipedia Descriptions #1 | 0 | - | 4.42 | 44,221 |
| People in History by Wikipedia Descriptions #2 | 0 | - | 4.42 | 39,345 |
| People in History by Wikipedia Descriptions #3 | 0 | - | 4.50 | 36,598 |
| Countries by Military Spending | 0 | - | 4.93 | 176,496 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,305,775 |
| Classic Novels by Plot #2 | 0 | - | 4.87 | 37,553 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 119,771 |
| Animals that Start with L | 0 | - | 4.47 | 101,338 |
| Animals that Start with P | 0 | - | 4.45 | 85,718 |
| Animals that Start with S | 0 | - | 4.49 | 86,907 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 89,680 |
| Geography by Letter on the World Map - C | 0 | - | 4.78 | 116,664 |
| World Cities A-Z by Clue #1 | 0 | - | 4.49 | 66,304 |
| Islands A-Z | 0 | - | 4.46 | 116,829 |
| Human Body A-Z | 0 | - | 4.51 | 128,487 |
| Asian Cities A-Z by Clue | 0 | - | 4.51 | 34,437 |
| Animals A-Z #1 | 0 | - | 4.41 | 92,844 |
| Africa A-Z | 0 | - | 4.57 | 46,392 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.60 | 47,548 |
| Ethnic Groups A-Z | 0 | - | 4.50 | 42,063 |
| Metals of Antiquity | 0 | - | 4.94 | 92,953 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,217 |
| Space Exploration Trivia | 0 | - | 4.38 | 35,195 |
| WWI... or WWII? | 0 | - | 4.85 | 140,758 |
| Oldest Things | 0 | - | 3.92 | 65,596 |
| Famous Homes - Who Lived There? | 0 | - | 4.09 | 26,768 |
| Famous Firsts #2 | 0 | - | 4.00 | 80,853 |
| Famous Firsts #3 - The United States | 0 | - | 4.17 | 14,494 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 69,687 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 155,894 |
| Disney A-Z | 0 | - | 4.37 | 86,579 |
| Literature by Letter - A | 0 | - | 4.23 | 31,770 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,074 |
| Companies A-Z | 0 | - | 4.30 | 42,615 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 66,871 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,494 |
| Religion A-Z #2 | 0 | - | 4.40 | 36,828 |
| Geography by Letter - G | 0 | - | 4.35 | 125,526 |
| Geography by Letter - F | 0 | - | 4.27 | 137,110 |
| Geography by Letter - J | 0 | - | 4.34 | 122,206 |
| Geography by Letter - O | 0 | - | 4.37 | 129,045 |
| Geography by Letter - V | 0 | - | 4.39 | 120,943 |
| Geography by Letter - W | 0 | - | 4.39 | 114,243 |
| Geography by Letter - Y | 0 | - | 4.39 | 110,712 |
| Geography by Letter - Z | 0 | - | 4.11 | 81,074 |
| Geography by Letter - Q | 0 | - | 4.38 | 68,919 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.18 | 35,123 |
| Video Games A-Z | 0 | - | 4.08 | 38,721 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,087 |
| Middle East A-Z | 0 | - | 4.47 | 45,816 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,165 |
| Movies that Start with A | 0 | - | 4.13 | 61,652 |
| Movies that Start with C | 0 | - | 4.30 | 61,601 |
| Movies that Start with B | 0 | - | 4.35 | 84,933 |
| Movies that Start with D | 0 | - | 4.34 | 68,237 |
| Movies that Start with E | 0 | - | 4.13 | 68,179 |
| Movies that Start with J | 0 | - | 4.18 | 75,932 |
| Movies that Start with L | 0 | - | 4.16 | 60,234 |
| Movies that Start with M | 0 | - | 4.28 | 48,075 |
| Movies that Start with N | 0 | - | 4.02 | 41,116 |
| Movies that Start with P | 0 | - | 4.25 | 54,009 |
| Movies that Start with R | 0 | - | 4.17 | 46,459 |
| Movies that Start with W | 0 | - | 4.07 | 44,141 |
| Movies that Start with T | 0 | - | 4.33 | 49,126 |
| Movies that Start with S | 0 | - | 4.35 | 56,274 |
| Movies that Start with F | 0 | - | 4.13 | 68,652 |
| Music by Letter - F | 0 | - | 4.48 | 26,841 |
| Music by Letter - A | 0 | - | 4.61 | 31,210 |
| Brand Logos That Start With D | 0 | - | 4.37 | 60,752 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,068 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,258 |
| Brand Logos That Start With S | 0 | - | 4.37 | 56,782 |
| Influential Women in History | 0 | - | 4.42 | 35,111 |
| Google What's the Difference? - History | 0 | - | 4.20 | 46,040 |
| Cradles of Civilization | 0 | - | 4.46 | 39,166 |
| Materials From History #1 | 0 | - | 4.56 | 50,834 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 704,589 |
| Notable People of WWII | 0 | - | 4.53 | 85,334 |
| WWII Trivia #2 | 0 | - | 4.52 | 103,457 |
| World War I Quiz | 0 | - | 4.78 | 100,300 |
| WWI A-Z | 0 | - | 4.50 | 38,039 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 145,268 |
| Famous Explorers | 0 | - | 4.58 | 35,980 |
| Famous Empires by Description | 0 | - | 4.73 | 117,972 |
| Answers by Time Period | 0 | - | 4.63 | 55,301 |
| History of France | 0 | - | 4.59 | 56,159 |
| Star Wars A-Z | 0 | - | 4.46 | 87,222 |
| Musical Acts by Letter - J | 0 | - | 4.20 | 77,204 |
| Musical Acts by Letter - M | 0 | - | 4.14 | 92,988 |
| Musical Acts by Letter - N | 0 | - | 4.17 | 68,095 |
| Musical Acts by Letter - P | 0 | - | 4.24 | 65,182 |
| Musical Acts by Letter - R | 0 | - | 4.33 | 83,006 |
