| History by Letter - A | 0 | - | 4.51 | 153,434 |
| History by Letter - B | 0 | - | 4.45 | 172,750 |
| History by Letter - C | 0 | - | 4.70 | 172,032 |
| History by Letter - E | 0 | - | 4.51 | 141,040 |
| History by Letter - G | 0 | - | 4.46 | 122,497 |
| History by Letter - H | 0 | - | 4.45 | 137,127 |
| History by Letter - J | 0 | - | 4.51 | 154,498 |
| History by Letter - N | 0 | - | 4.45 | 104,377 |
| History by Letter - S | 0 | - | 4.47 | 94,668 |
| History by Letter - W | 0 | - | 4.45 | 109,857 |
| History by Letter - M | 0 | - | 4.54 | 120,182 |
| History by Letter - K | 0 | - | 4.50 | 101,669 |
| History by Letter - L | 0 | - | 4.50 | 112,436 |
| History by Letter - I | 0 | - | 4.46 | 104,710 |
| History by Letter - D | 0 | - | 4.40 | 138,162 |
| History by Letter - F | 0 | - | 4.18 | 114,760 |
| History by Letter - O | 0 | - | 4.32 | 99,776 |
| History by Letter - P | 0 | - | 4.36 | 108,125 |
| History by Letter - Q | 0 | - | 4.34 | 80,537 |
| History by Letter - R | 0 | - | 4.26 | 122,483 |
| History by Letter - T | 0 | - | 4.39 | 105,535 |
| History by Letter - U | 0 | - | 4.19 | 101,044 |
| History by Letter - V | 0 | - | 4.27 | 80,977 |
| History by Letter - Y | 0 | - | 4.27 | 87,493 |
| History by Letter - Z | 0 | - | 4.20 | 77,242 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,287 |
| Empires A-Z | 0 | - | 4.52 | 45,271 |
| Same Start and End Letter - History #1 | 0 | - | 4.18 | 24,760 |
| Same Start and End Letter - History #2 | 0 | - | 4.13 | 25,717 |
| Countries that Start with a Vowel | 0 | - | 4.99 | 153,970 |
| Geography by Letter - T | 0 | - | 4.84 | 154,390 |
| People in History A-Z #1 | 0 | - | 4.63 | 99,183 |
| People in History A-Z #2 | 0 | - | 4.47 | 55,213 |
| People in History A-Z #3 | 0 | - | 4.44 | 46,259 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.89 | 82,525 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 108,321 |
| Southernmost Countries A-Z | 0 | - | 4.95 | 153,775 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 196,052 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 170,536 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 192,768 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 301,299 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 180,766 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 73,119 |
| 20th Century A-Z | 0 | - | 4.50 | 53,831 |
| 19th Century A-Z | 0 | - | 4.77 | 47,364 |
| 18th Century A-Z | 0 | - | 4.54 | 43,236 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 74,211 |
| Countries That Were Invaded | 0 | - | 4.55 | 97,559 |
| People in History A-Z #5 | 0 | - | 4.09 | 32,004 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 237,688 |
| Name an Official Language A-Z | 0 | - | 4.91 | 176,299 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,505 |
| Territory Changes in World War I | 0 | - | 4.87 | 46,917 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,427 |
| People Depicted in Paintings | 0 | - | 4.55 | 44,712 |
| 16th Century A-Z | 0 | - | 4.58 | 24,943 |
| 15th Century A-Z | 0 | - | 4.49 | 23,961 |
| 14th Century A-Z | 0 | - | 4.41 | 24,425 |
| 17th Century A-Z | 0 | - | 4.78 | 34,682 |
| NATO Military Alphabet | 0 | - | 4.98 | 561,446 |
| Religion A-Z #2 | 0 | - | 4.41 | 37,042 |
| Geography by Letter - A | 0 | - | 4.74 | 212,087 |
| Geography by Letter - B | 0 | - | 4.56 | 185,092 |
| Geography by Letter - H | 0 | - | 4.69 | 150,705 |
| Geography by Letter - C | 0 | - | 4.47 | 159,116 |
| Geography by Letter - D | 0 | - | 4.50 | 151,053 |
| Geography by Letter - E | 0 | - | 4.42 | 147,979 |
| Geography by Letter - I | 0 | - | 4.42 | 122,309 |
| Geography by Letter - K | 0 | - | 4.53 | 118,669 |
| Geography by Letter - L | 0 | - | 4.43 | 148,865 |
| Geography by Letter - M | 0 | - | 4.49 | 118,940 |
| Geography by Letter - N | 0 | - | 4.51 | 127,498 |
| Geography by Letter - P | 0 | - | 4.47 | 176,396 |
| Geography by Letter - R | 0 | - | 4.43 | 132,072 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 140,931 |
| Geography by Letter - U | 0 | - | 4.53 | 143,458 |
| Asian Geography By Letter - K | 0 | - | 4.74 | 58,224 |
| Geography Containing the Letter X | 0 | - | 4.42 | 34,700 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,411 |
| Geography A-Z #2 | 0 | - | 4.46 | 52,991 |
| Geography A-Z #5 | 0 | - | 4.44 | 37,417 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,674 |
| Movies that Start with G | 0 | - | 4.49 | 68,629 |
| Movies that Start with I | 0 | - | 4.41 | 65,237 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,658 |
| WWII A-Z #1 | 0 | - | 4.73 | 103,126 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,747 |
| Famous Battles Quiz | 0 | - | 4.21 | 49,036 |
| Name the War | 0 | - | 4.37 | 202,231 |
| Famous U.S. Generals | 0 | - | 4.27 | 38,573 |
| Famous Firsts #1 | 0 | - | 4.40 | 69,118 |
| Famous Families #1 | 0 | - | 4.20 | 83,655 |
| Names for Warriors | 0 | - | 4.40 | 36,978 |
| Famous Firsts #2 | 0 | - | 4.01 | 81,088 |
| People in History A-Z #4 | 0 | - | 4.11 | 23,072 |
| Former Countries by Territory Map | 0 | - | 4.96 | 103,112 |
| Empires by Maps | 0 | - | 4.98 | 120,952 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,470 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,537 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,832 |
| Ultimate 20th Century History Quiz | 0 | - | 4.87 | 53,872 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,472 |
| The 15th Century | 0 | - | 4.43 | 51,265 |
| The 14th Century | 0 | - | 4.55 | 49,352 |
| The 13th Century | 0 | - | 4.48 | 43,325 |
| The 11th and 12th Century | 0 | - | 4.53 | 56,179 |
| Military History A-Z | 0 | - | 4.20 | 21,192 |
| Ye Olde Professions | 0 | - | 4.63 | 157,026 |
| People in History by Wikipedia Descriptions #1 | 0 | - | 4.42 | 44,408 |
| People in History by Wikipedia Descriptions #2 | 0 | - | 4.42 | 39,506 |
| People in History by Wikipedia Descriptions #3 | 0 | - | 4.50 | 36,716 |
| Countries by Military Spending | 0 | - | 4.93 | 178,369 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,319,743 |
| Classic Novels by Plot #2 | 0 | - | 4.86 | 38,245 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 121,158 |
| Animals that Start with L | 0 | - | 4.47 | 102,251 |
| Animals that Start with P | 0 | - | 4.45 | 86,303 |
| Animals that Start with S | 0 | - | 4.49 | 87,508 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 90,689 |
| Geography by Letter on the World Map - C | 0 | - | 4.77 | 117,983 |
| World Cities A-Z by Clue #1 | 0 | - | 4.51 | 68,433 |
| Islands A-Z | 0 | - | 4.46 | 125,724 |
| World Cities A-Z by Clue #2 | 0 | - | 4.41 | 59,288 |
| Human Body A-Z | 0 | - | 4.51 | 129,374 |
| Asian Cities A-Z by Clue | 0 | - | 4.51 | 42,239 |
| Animals A-Z #1 | 0 | - | 4.41 | 93,742 |
| Africa A-Z | 0 | - | 4.57 | 46,680 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.70 | 57,956 |
| Ethnic Groups A-Z | 0 | - | 4.51 | 42,363 |
| Metals of Antiquity | 0 | - | 4.95 | 93,611 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,871 |
| Space Exploration Trivia | 0 | - | 4.38 | 35,403 |
| WWI... or WWII? | 0 | - | 4.85 | 142,619 |
| Oldest Things | 0 | - | 3.92 | 65,672 |
| Famous Homes - Who Lived There? | 0 | - | 4.09 | 26,835 |
| Famous Firsts #3 - The United States | 0 | - | 4.19 | 14,670 |
| Famous Generals - Non U.S. | 0 | - | 4.59 | 15,173 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 70,402 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 157,632 |
| Disney A-Z | 0 | - | 4.37 | 87,267 |
| Literature by Letter - A | 0 | - | 4.24 | 32,221 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,332 |
| Companies A-Z | 0 | - | 4.30 | 42,724 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 67,244 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,670 |
| Geography by Letter - G | 0 | - | 4.33 | 126,606 |
| Geography by Letter - F | 0 | - | 4.27 | 138,174 |
| Geography by Letter - J | 0 | - | 4.34 | 123,229 |
| Geography by Letter - O | 0 | - | 4.37 | 130,051 |
| Geography by Letter - V | 0 | - | 4.39 | 122,093 |
| Geography by Letter - W | 0 | - | 4.39 | 115,105 |
| Geography by Letter - Y | 0 | - | 4.39 | 111,813 |
| Geography by Letter - Z | 0 | - | 4.11 | 81,867 |
| Geography by Letter - Q | 0 | - | 4.38 | 69,727 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.15 | 35,308 |
| Video Games A-Z | 0 | - | 4.08 | 39,087 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,317 |
| Middle East A-Z | 0 | - | 4.47 | 46,145 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,423 |
| Movies that Start with A | 0 | - | 4.13 | 61,944 |
| Movies that Start with C | 0 | - | 4.30 | 61,938 |
| Movies that Start with B | 0 | - | 4.36 | 85,318 |
| Movies that Start with D | 0 | - | 4.34 | 68,507 |
| Movies that Start with E | 0 | - | 4.13 | 68,437 |
| Movies that Start with J | 0 | - | 4.18 | 76,252 |
| Movies that Start with L | 0 | - | 4.16 | 60,480 |
| Movies that Start with M | 0 | - | 4.28 | 48,288 |
| Movies that Start with N | 0 | - | 4.02 | 41,300 |
| Movies that Start with P | 0 | - | 4.25 | 54,195 |
| Movies that Start with R | 0 | - | 4.17 | 46,695 |
| Movies that Start with W | 0 | - | 4.07 | 44,291 |
| Movies that Start with T | 0 | - | 4.34 | 49,359 |
| Movies that Start with S | 0 | - | 4.35 | 56,535 |
| Movies that Start with F | 0 | - | 4.13 | 68,929 |
| Music by Letter - F | 0 | - | 4.48 | 27,050 |
| Music by Letter - A | 0 | - | 4.61 | 31,436 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,247 |
| Brand Logos That Start With D | 0 | - | 4.35 | 61,803 |
| Brand Logos That Start With C | 0 | - | 4.20 | 49,853 |
| Brand Logos That Start With L | 0 | - | 4.39 | 61,436 |
| Brand Logos That Start With M | 0 | - | 4.40 | 63,099 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,880 |
| Influential Women in History | 0 | - | 4.42 | 36,045 |
| Google What's the Difference? - History | 0 | - | 4.20 | 46,292 |
| Cradles of Civilization | 0 | - | 4.46 | 40,028 |
| Materials From History #1 | 0 | - | 4.56 | 51,836 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 708,549 |
| Notable People of WWII | 0 | - | 4.53 | 86,023 |
| WWII Trivia #2 | 0 | - | 4.52 | 104,304 |
| World War I Quiz | 0 | - | 4.78 | 101,448 |
| WWI A-Z | 0 | - | 4.51 | 38,434 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 146,195 |
| Famous Explorers | 0 | - | 4.58 | 36,248 |
| Famous Empires by Description | 0 | - | 4.73 | 118,664 |
| Answers by Time Period | 0 | - | 4.64 | 55,698 |
| History of France | 0 | - | 4.59 | 57,270 |
| People in History by Wikipedia Descriptions #4 | 0 | - | 4.41 | 30,756 |
| Star Wars A-Z | 0 | - | 4.46 | 88,446 |
| Musical Acts by Letter - J | 0 | - | 4.17 | 77,538 |
| Musical Acts by Letter - M | 0 | - | 4.15 | 93,510 |
