| History by Letter - A | 0 | - | 4.51 | 153,256 |
| History by Letter - B | 0 | - | 4.45 | 172,559 |
| History by Letter - C | 0 | - | 4.70 | 171,825 |
| History by Letter - E | 0 | - | 4.51 | 140,896 |
| History by Letter - G | 0 | - | 4.46 | 122,369 |
| History by Letter - H | 0 | - | 4.45 | 136,988 |
| History by Letter - J | 0 | - | 4.51 | 154,335 |
| History by Letter - N | 0 | - | 4.45 | 104,259 |
| History by Letter - S | 0 | - | 4.47 | 94,557 |
| History by Letter - W | 0 | - | 4.45 | 109,736 |
| History by Letter - M | 0 | - | 4.54 | 120,060 |
| History by Letter - K | 0 | - | 4.50 | 101,555 |
| History by Letter - L | 0 | - | 4.50 | 112,298 |
| History by Letter - I | 0 | - | 4.46 | 104,585 |
| History by Letter - D | 0 | - | 4.40 | 138,026 |
| History by Letter - F | 0 | - | 4.18 | 114,647 |
| History by Letter - O | 0 | - | 4.32 | 99,676 |
| History by Letter - P | 0 | - | 4.36 | 108,012 |
| History by Letter - Q | 0 | - | 4.34 | 80,466 |
| History by Letter - R | 0 | - | 4.26 | 122,386 |
| History by Letter - T | 0 | - | 4.39 | 105,439 |
| History by Letter - U | 0 | - | 4.19 | 100,952 |
| History by Letter - V | 0 | - | 4.27 | 80,903 |
| History by Letter - Y | 0 | - | 4.27 | 87,425 |
| History by Letter - Z | 0 | - | 4.20 | 77,181 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,266 |
| Empires A-Z | 0 | - | 4.52 | 45,205 |
| Same Start and End Letter - History #1 | 0 | - | 4.18 | 24,752 |
| Same Start and End Letter - History #2 | 0 | - | 4.13 | 25,690 |
| Countries that Start with a Vowel | 0 | - | 4.99 | 152,162 |
| Geography by Letter - T | 0 | - | 4.84 | 154,137 |
| People in History A-Z #1 | 0 | - | 4.63 | 99,071 |
| People in History A-Z #2 | 0 | - | 4.47 | 55,138 |
| People in History A-Z #3 | 0 | - | 4.44 | 46,208 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.89 | 82,338 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 108,067 |
| Southernmost Countries A-Z | 0 | - | 4.95 | 153,615 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 195,765 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 170,323 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 192,437 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 300,980 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 180,564 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,925 |
| 20th Century A-Z | 0 | - | 4.50 | 53,762 |
| 19th Century A-Z | 0 | - | 4.77 | 47,315 |
| 18th Century A-Z | 0 | - | 4.54 | 43,193 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 74,110 |
| Countries That Were Invaded | 0 | - | 4.55 | 97,452 |
| People in History A-Z #5 | 0 | - | 4.09 | 31,970 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 237,306 |
| Name an Official Language A-Z | 0 | - | 4.91 | 176,071 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,455 |
| Territory Changes in World War I | 0 | - | 4.87 | 46,819 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,346 |
| People Depicted in Paintings | 0 | - | 4.54 | 44,665 |
| 16th Century A-Z | 0 | - | 4.58 | 24,917 |
| 15th Century A-Z | 0 | - | 4.49 | 23,935 |
| 14th Century A-Z | 0 | - | 4.41 | 24,404 |
| 17th Century A-Z | 0 | - | 4.78 | 34,648 |
| NATO Military Alphabet | 0 | - | 4.98 | 560,429 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.81 | 802,747 |
| Religion A-Z #2 | 0 | - | 4.41 | 37,009 |
| Geography by Letter - A | 0 | - | 4.74 | 211,847 |
| Geography by Letter - B | 0 | - | 4.56 | 184,869 |
| Geography by Letter - H | 0 | - | 4.69 | 150,511 |
| Geography by Letter - C | 0 | - | 4.47 | 158,902 |
| Geography by Letter - D | 0 | - | 4.50 | 150,722 |
| Geography by Letter - E | 0 | - | 4.42 | 147,794 |
| Geography by Letter - I | 0 | - | 4.42 | 122,166 |
| Geography by Letter - K | 0 | - | 4.53 | 118,522 |
| Geography by Letter - L | 0 | - | 4.43 | 148,696 |
| Geography by Letter - M | 0 | - | 4.49 | 118,800 |
| Geography by Letter - N | 0 | - | 4.51 | 127,362 |
| Geography by Letter - P | 0 | - | 4.47 | 176,216 |
| Geography by Letter - R | 0 | - | 4.43 | 131,879 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 140,766 |
| Geography by Letter - U | 0 | - | 4.53 | 143,297 |
| Asian Geography By Letter - K | 0 | - | 4.74 | 58,180 |
| Geography Containing the Letter X | 0 | - | 4.42 | 34,674 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,357 |
| Geography A-Z #2 | 0 | - | 4.46 | 52,942 |
| Geography A-Z #5 | 0 | - | 4.44 | 37,376 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,618 |
| Movies that Start with G | 0 | - | 4.49 | 68,575 |
| Movies that Start with I | 0 | - | 4.41 | 65,193 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,422 |
| WWII A-Z #1 | 0 | - | 4.73 | 103,027 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,691 |
| Famous Battles Quiz | 0 | - | 4.21 | 49,001 |
| Name the War | 0 | - | 4.37 | 201,702 |
| Famous U.S. Generals | 0 | - | 4.27 | 38,550 |
| Famous Firsts #1 | 0 | - | 4.40 | 69,076 |
| Famous Families #1 | 0 | - | 4.20 | 83,619 |
| Names for Warriors | 0 | - | 4.40 | 36,940 |
| Famous Firsts #2 | 0 | - | 4.01 | 81,047 |
| People in History A-Z #4 | 0 | - | 4.11 | 23,045 |
| Former Countries by Territory Map | 0 | - | 4.96 | 102,884 |
| Empires by Maps | 0 | - | 4.98 | 120,590 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,235 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,377 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,764 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,755 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,414 |
| The 15th Century | 0 | - | 4.43 | 51,242 |
| The 14th Century | 0 | - | 4.55 | 49,331 |
| The 13th Century | 0 | - | 4.48 | 43,297 |
| The 11th and 12th Century | 0 | - | 4.53 | 56,146 |
| Military History A-Z | 0 | - | 4.20 | 21,171 |
| Ye Olde Professions | 0 | - | 4.67 | 156,836 |
| People in History by Wikipedia Descriptions #1 | 0 | - | 4.42 | 44,377 |
| People in History by Wikipedia Descriptions #2 | 0 | - | 4.42 | 39,484 |
| People in History by Wikipedia Descriptions #3 | 0 | - | 4.50 | 36,696 |
| Countries by Military Spending | 0 | - | 4.93 | 177,803 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,317,465 |
| Classic Novels by Plot #2 | 0 | - | 4.87 | 38,153 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 120,872 |
| Animals that Start with L | 0 | - | 4.47 | 102,152 |
| Animals that Start with P | 0 | - | 4.45 | 86,174 |
| Animals that Start with S | 0 | - | 4.49 | 87,383 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 90,516 |
| Geography by Letter on the World Map - C | 0 | - | 4.80 | 117,631 |
| World Cities A-Z by Clue #1 | 0 | - | 4.51 | 68,230 |
| Islands A-Z | 0 | - | 4.46 | 124,902 |
| Human Body A-Z | 0 | - | 4.51 | 129,204 |
| Asian Cities A-Z by Clue | 0 | - | 4.49 | 35,608 |
| Animals A-Z #1 | 0 | - | 4.41 | 93,651 |
| Africa A-Z | 0 | - | 4.57 | 46,619 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.69 | 57,811 |
| Ethnic Groups A-Z | 0 | - | 4.51 | 42,319 |
| Metals of Antiquity | 0 | - | 4.95 | 93,465 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,754 |
| Space Exploration Trivia | 0 | - | 4.38 | 35,368 |
| WWI... or WWII? | 0 | - | 4.85 | 142,327 |
| Oldest Things | 0 | - | 3.92 | 65,663 |
| Famous Homes - Who Lived There? | 0 | - | 4.09 | 26,823 |
| Famous Firsts #3 - The United States | 0 | - | 4.19 | 14,656 |
| Famous Generals - Non U.S. | 0 | - | 4.59 | 15,152 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 70,332 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 157,319 |
| Disney A-Z | 0 | - | 4.37 | 87,161 |
| Literature by Letter - A | 0 | - | 4.24 | 32,155 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,300 |
| Companies A-Z | 0 | - | 4.30 | 42,706 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 67,175 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,645 |
| Geography by Letter - G | 0 | - | 4.33 | 126,458 |
| Geography by Letter - F | 0 | - | 4.27 | 138,015 |
| Geography by Letter - J | 0 | - | 4.34 | 123,076 |
| Geography by Letter - O | 0 | - | 4.37 | 129,899 |
| Geography by Letter - V | 0 | - | 4.39 | 121,928 |
| Geography by Letter - W | 0 | - | 4.39 | 114,983 |
| Geography by Letter - Y | 0 | - | 4.39 | 111,673 |
| Geography by Letter - Z | 0 | - | 4.11 | 81,764 |
| Geography by Letter - Q | 0 | - | 4.38 | 69,615 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.15 | 35,275 |
| Video Games A-Z | 0 | - | 4.08 | 39,021 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,278 |
| Middle East A-Z | 0 | - | 4.47 | 46,031 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,374 |
| Movies that Start with A | 0 | - | 4.13 | 61,905 |
| Movies that Start with C | 0 | - | 4.30 | 61,892 |
| Movies that Start with B | 0 | - | 4.36 | 85,262 |
| Movies that Start with D | 0 | - | 4.34 | 68,469 |
| Movies that Start with E | 0 | - | 4.13 | 68,398 |
| Movies that Start with J | 0 | - | 4.18 | 76,198 |
| Movies that Start with L | 0 | - | 4.16 | 60,452 |
| Movies that Start with M | 0 | - | 4.28 | 48,254 |
| Movies that Start with N | 0 | - | 4.02 | 41,274 |
| Movies that Start with P | 0 | - | 4.25 | 54,169 |
| Movies that Start with R | 0 | - | 4.17 | 46,670 |
| Movies that Start with W | 0 | - | 4.07 | 44,277 |
| Movies that Start with T | 0 | - | 4.34 | 49,327 |
| Movies that Start with S | 0 | - | 4.35 | 56,494 |
| Movies that Start with F | 0 | - | 4.13 | 68,888 |
| Music by Letter - F | 0 | - | 4.48 | 27,020 |
| Music by Letter - A | 0 | - | 4.61 | 31,404 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,068 |
| Brand Logos That Start With D | 0 | - | 4.37 | 61,629 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,726 |
| Brand Logos That Start With L | 0 | - | 4.39 | 61,234 |
| Brand Logos That Start With M | 0 | - | 4.40 | 62,931 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,696 |
| Influential Women in History | 0 | - | 4.42 | 35,703 |
| Google What's the Difference? - History | 0 | - | 4.20 | 46,254 |
| Cradles of Civilization | 0 | - | 4.46 | 39,746 |
| Materials From History #1 | 0 | - | 4.56 | 51,630 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 707,829 |
| Notable People of WWII | 0 | - | 4.53 | 85,954 |
| WWII Trivia #2 | 0 | - | 4.52 | 104,196 |
| World War I Quiz | 0 | - | 4.78 | 101,327 |
| WWI A-Z | 0 | - | 4.50 | 38,361 |
| Biggest Nations and Empires Ever | 0 | - | 4.52 | 145,994 |
| Famous Explorers | 0 | - | 4.58 | 36,190 |
| Famous Empires by Description | 0 | - | 4.73 | 118,505 |
| Answers by Time Period | 0 | - | 4.64 | 55,615 |
| History of France | 0 | - | 4.59 | 57,048 |
| People in History by Wikipedia Descriptions #4 | 0 | - | 4.41 | 30,749 |
| Star Wars A-Z | 0 | - | 4.46 | 88,291 |
| Musical Acts by Letter - J | 0 | - | 4.17 | 77,495 |
| Musical Acts by Letter - M | 0 | - | 4.14 | 93,414 |
