| History by Letter - A | 0 | - | 4.51 | 153,362 |
| History by Letter - B | 0 | - | 4.45 | 172,671 |
| History by Letter - C | 0 | - | 4.70 | 171,948 |
| History by Letter - E | 0 | - | 4.51 | 140,982 |
| History by Letter - G | 0 | - | 4.46 | 122,460 |
| History by Letter - H | 0 | - | 4.45 | 137,062 |
| History by Letter - J | 0 | - | 4.51 | 154,445 |
| History by Letter - N | 0 | - | 4.45 | 104,329 |
| History by Letter - S | 0 | - | 4.47 | 94,623 |
| History by Letter - W | 0 | - | 4.45 | 109,819 |
| History by Letter - M | 0 | - | 4.54 | 120,142 |
| History by Letter - K | 0 | - | 4.50 | 101,620 |
| History by Letter - L | 0 | - | 4.50 | 112,383 |
| History by Letter - I | 0 | - | 4.46 | 104,654 |
| History by Letter - D | 0 | - | 4.40 | 138,108 |
| History by Letter - F | 0 | - | 4.18 | 114,716 |
| History by Letter - O | 0 | - | 4.32 | 99,736 |
| History by Letter - P | 0 | - | 4.36 | 108,082 |
| History by Letter - Q | 0 | - | 4.34 | 80,510 |
| History by Letter - R | 0 | - | 4.26 | 122,448 |
| History by Letter - T | 0 | - | 4.39 | 105,498 |
| History by Letter - U | 0 | - | 4.19 | 101,016 |
| History by Letter - V | 0 | - | 4.27 | 80,943 |
| History by Letter - Y | 0 | - | 4.27 | 87,463 |
| History by Letter - Z | 0 | - | 4.20 | 77,211 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,281 |
| Empires A-Z | 0 | - | 4.52 | 45,254 |
| Same Start and End Letter - History #1 | 0 | - | 4.18 | 24,755 |
| Same Start and End Letter - History #2 | 0 | - | 4.13 | 25,708 |
| Countries that Start with a Vowel | 0 | - | 4.99 | 153,524 |
| Geography by Letter - T | 0 | - | 4.84 | 154,279 |
| People in History A-Z #1 | 0 | - | 4.63 | 99,133 |
| People in History A-Z #2 | 0 | - | 4.47 | 55,181 |
| People in History A-Z #3 | 0 | - | 4.44 | 46,234 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.89 | 82,423 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 108,189 |
| Southernmost Countries A-Z | 0 | - | 4.95 | 153,721 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 195,965 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 170,472 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 192,675 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 301,196 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 180,683 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 73,058 |
| 20th Century A-Z | 0 | - | 4.50 | 53,809 |
| 19th Century A-Z | 0 | - | 4.77 | 47,342 |
| 18th Century A-Z | 0 | - | 4.54 | 43,221 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 74,172 |
| Countries That Were Invaded | 0 | - | 4.55 | 97,511 |
| People in History A-Z #5 | 0 | - | 4.09 | 31,987 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 237,559 |
| Name an Official Language A-Z | 0 | - | 4.91 | 176,217 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,482 |
| Territory Changes in World War I | 0 | - | 4.87 | 46,869 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,397 |
| People Depicted in Paintings | 0 | - | 4.55 | 44,691 |
| 16th Century A-Z | 0 | - | 4.58 | 24,933 |
| 15th Century A-Z | 0 | - | 4.49 | 23,948 |
| 14th Century A-Z | 0 | - | 4.41 | 24,418 |
| 17th Century A-Z | 0 | - | 4.78 | 34,669 |
| NATO Military Alphabet | 0 | - | 4.98 | 561,057 |
| Religion A-Z #2 | 0 | - | 4.41 | 37,031 |
| Geography by Letter - A | 0 | - | 4.74 | 211,985 |
| Geography by Letter - B | 0 | - | 4.56 | 184,980 |
| Geography by Letter - H | 0 | - | 4.69 | 150,622 |
| Geography by Letter - C | 0 | - | 4.47 | 159,014 |
| Geography by Letter - D | 0 | - | 4.50 | 150,828 |
| Geography by Letter - E | 0 | - | 4.42 | 147,891 |
| Geography by Letter - I | 0 | - | 4.42 | 122,245 |
| Geography by Letter - K | 0 | - | 4.53 | 118,602 |
| Geography by Letter - L | 0 | - | 4.43 | 148,790 |
| Geography by Letter - M | 0 | - | 4.49 | 118,870 |
| Geography by Letter - N | 0 | - | 4.51 | 127,435 |
| Geography by Letter - P | 0 | - | 4.47 | 176,320 |
| Geography by Letter - R | 0 | - | 4.43 | 131,983 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 140,854 |
| Geography by Letter - U | 0 | - | 4.53 | 143,388 |
| Asian Geography By Letter - K | 0 | - | 4.74 | 58,203 |
| Geography Containing the Letter X | 0 | - | 4.42 | 34,688 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,395 |
| Geography A-Z #2 | 0 | - | 4.46 | 52,971 |
| Geography A-Z #5 | 0 | - | 4.44 | 37,395 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,651 |
| Movies that Start with G | 0 | - | 4.49 | 68,603 |
| Movies that Start with I | 0 | - | 4.41 | 65,222 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,564 |
| WWII A-Z #1 | 0 | - | 4.73 | 103,089 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,731 |
| Famous Battles Quiz | 0 | - | 4.21 | 49,017 |
| Name the War | 0 | - | 4.37 | 201,815 |
| Famous U.S. Generals | 0 | - | 4.27 | 38,564 |
| Famous Firsts #1 | 0 | - | 4.40 | 69,105 |
| Famous Families #1 | 0 | - | 4.20 | 83,644 |
| Names for Warriors | 0 | - | 4.40 | 36,958 |
| Famous Firsts #2 | 0 | - | 4.01 | 81,076 |
| People in History A-Z #4 | 0 | - | 4.11 | 23,059 |
| Former Countries by Territory Map | 0 | - | 4.96 | 103,021 |
| Empires by Maps | 0 | - | 4.98 | 120,819 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,423 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,488 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,816 |
| Ultimate 20th Century History Quiz | 0 | - | 4.87 | 53,827 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,447 |
| The 15th Century | 0 | - | 4.43 | 51,259 |
| The 14th Century | 0 | - | 4.55 | 49,346 |
| The 13th Century | 0 | - | 4.48 | 43,316 |
| The 11th and 12th Century | 0 | - | 4.53 | 56,168 |
| Military History A-Z | 0 | - | 4.20 | 21,188 |
| Ye Olde Professions | 0 | - | 4.63 | 156,961 |
| People in History by Wikipedia Descriptions #1 | 0 | - | 4.42 | 44,397 |
| People in History by Wikipedia Descriptions #2 | 0 | - | 4.42 | 39,496 |
| People in History by Wikipedia Descriptions #3 | 0 | - | 4.50 | 36,706 |
| Countries by Military Spending | 0 | - | 4.93 | 178,276 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,318,880 |
| Classic Novels by Plot #2 | 0 | - | 4.87 | 38,210 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 121,043 |
| Animals that Start with L | 0 | - | 4.47 | 102,195 |
| Animals that Start with P | 0 | - | 4.45 | 86,215 |
| Animals that Start with S | 0 | - | 4.49 | 87,435 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 90,593 |
| Geography by Letter on the World Map - C | 0 | - | 4.77 | 117,753 |
| World Cities A-Z by Clue #1 | 0 | - | 4.51 | 68,370 |
| Islands A-Z | 0 | - | 4.46 | 125,442 |
| World Cities A-Z by Clue #2 | 0 | - | 4.41 | 59,237 |
| Human Body A-Z | 0 | - | 4.51 | 129,317 |
| Asian Cities A-Z by Clue | 0 | - | 4.51 | 41,351 |
| Animals A-Z #1 | 0 | - | 4.41 | 93,702 |
| Africa A-Z | 0 | - | 4.57 | 46,655 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.69 | 57,910 |
| Ethnic Groups A-Z | 0 | - | 4.51 | 42,352 |
| Metals of Antiquity | 0 | - | 4.95 | 93,557 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,822 |
| Space Exploration Trivia | 0 | - | 4.38 | 35,391 |
| WWI... or WWII? | 0 | - | 4.85 | 142,502 |
| Oldest Things | 0 | - | 3.92 | 65,668 |
| Famous Homes - Who Lived There? | 0 | - | 4.09 | 26,829 |
| Famous Firsts #3 - The United States | 0 | - | 4.19 | 14,668 |
| Famous Generals - Non U.S. | 0 | - | 4.59 | 15,166 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 70,370 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 157,511 |
| Disney A-Z | 0 | - | 4.37 | 87,226 |
| Literature by Letter - A | 0 | - | 4.24 | 32,190 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,323 |
| Companies A-Z | 0 | - | 4.30 | 42,721 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 67,220 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,658 |
| Geography by Letter - G | 0 | - | 4.33 | 126,537 |
| Geography by Letter - F | 0 | - | 4.27 | 138,097 |
| Geography by Letter - J | 0 | - | 4.34 | 123,159 |
| Geography by Letter - O | 0 | - | 4.37 | 129,986 |
| Geography by Letter - V | 0 | - | 4.39 | 122,016 |
| Geography by Letter - W | 0 | - | 4.39 | 115,048 |
| Geography by Letter - Y | 0 | - | 4.39 | 111,752 |
| Geography by Letter - Z | 0 | - | 4.11 | 81,806 |
| Geography by Letter - Q | 0 | - | 4.38 | 69,669 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.15 | 35,300 |
| Video Games A-Z | 0 | - | 4.08 | 39,053 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,300 |
| Middle East A-Z | 0 | - | 4.47 | 46,115 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,409 |
| Movies that Start with A | 0 | - | 4.13 | 61,933 |
| Movies that Start with C | 0 | - | 4.30 | 61,925 |
| Movies that Start with B | 0 | - | 4.36 | 85,295 |
| Movies that Start with D | 0 | - | 4.34 | 68,492 |
| Movies that Start with E | 0 | - | 4.13 | 68,426 |
| Movies that Start with J | 0 | - | 4.18 | 76,232 |
| Movies that Start with L | 0 | - | 4.16 | 60,471 |
| Movies that Start with M | 0 | - | 4.28 | 48,274 |
| Movies that Start with N | 0 | - | 4.02 | 41,292 |
| Movies that Start with P | 0 | - | 4.25 | 54,188 |
| Movies that Start with R | 0 | - | 4.17 | 46,689 |
| Movies that Start with W | 0 | - | 4.07 | 44,286 |
| Movies that Start with T | 0 | - | 4.34 | 49,348 |
| Movies that Start with S | 0 | - | 4.35 | 56,516 |
| Movies that Start with F | 0 | - | 4.13 | 68,918 |
| Music by Letter - F | 0 | - | 4.48 | 27,039 |
| Music by Letter - A | 0 | - | 4.61 | 31,425 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,154 |
| Brand Logos That Start With D | 0 | - | 4.37 | 61,727 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,805 |
| Brand Logos That Start With L | 0 | - | 4.39 | 61,362 |
| Brand Logos That Start With M | 0 | - | 4.40 | 63,028 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,828 |
| Influential Women in History | 0 | - | 4.42 | 35,783 |
| Google What's the Difference? - History | 0 | - | 4.20 | 46,282 |
| Cradles of Civilization | 0 | - | 4.46 | 39,841 |
| Materials From History #1 | 0 | - | 4.56 | 51,709 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 708,229 |
| Notable People of WWII | 0 | - | 4.53 | 85,992 |
| WWII Trivia #2 | 0 | - | 4.52 | 104,268 |
| World War I Quiz | 0 | - | 4.78 | 101,413 |
| WWI A-Z | 0 | - | 4.51 | 38,406 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 146,102 |
| Famous Explorers | 0 | - | 4.58 | 36,213 |
| Famous Empires by Description | 0 | - | 4.73 | 118,582 |
| Answers by Time Period | 0 | - | 4.64 | 55,654 |
| History of France | 0 | - | 4.59 | 57,211 |
| People in History by Wikipedia Descriptions #4 | 0 | - | 4.41 | 30,754 |
| Star Wars A-Z | 0 | - | 4.46 | 88,386 |
| Musical Acts by Letter - J | 0 | - | 4.17 | 77,524 |
| Musical Acts by Letter - M | 0 | - | 4.14 | 93,480 |
