| History by Letter - A | 0 | - | 4.51 | 152,253 |
| History by Letter - B | 0 | - | 4.45 | 171,422 |
| History by Letter - C | 0 | - | 4.70 | 170,499 |
| History by Letter - E | 0 | - | 4.51 | 139,983 |
| History by Letter - G | 0 | - | 4.45 | 121,564 |
| History by Letter - H | 0 | - | 4.45 | 135,998 |
| History by Letter - J | 0 | - | 4.51 | 153,365 |
| History by Letter - N | 0 | - | 4.44 | 103,489 |
| History by Letter - S | 0 | - | 4.47 | 93,767 |
| History by Letter - W | 0 | - | 4.45 | 108,849 |
| History by Letter - M | 0 | - | 4.54 | 119,199 |
| History by Letter - K | 0 | - | 4.50 | 100,909 |
| History by Letter - L | 0 | - | 4.49 | 111,604 |
| History by Letter - I | 0 | - | 4.46 | 103,773 |
| History by Letter - D | 0 | - | 4.39 | 136,998 |
| History by Letter - F | 0 | - | 4.18 | 113,785 |
| History by Letter - O | 0 | - | 4.31 | 99,139 |
| History by Letter - P | 0 | - | 4.39 | 107,432 |
| History by Letter - Q | 0 | - | 4.34 | 80,035 |
| History by Letter - R | 0 | - | 4.26 | 121,760 |
| History by Letter - T | 0 | - | 4.39 | 104,951 |
| History by Letter - U | 0 | - | 4.19 | 100,441 |
| History by Letter - V | 0 | - | 4.27 | 80,440 |
| History by Letter - Y | 0 | - | 4.27 | 86,994 |
| History by Letter - Z | 0 | - | 4.18 | 76,790 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,132 |
| Empires A-Z | 0 | - | 4.51 | 44,885 |
| Same Start and End Letter - History #1 | 0 | - | 4.17 | 24,680 |
| Same Start and End Letter - History #2 | 0 | - | 4.13 | 25,560 |
| Countries that Start with a Vowel | 0 | - | 4.98 | 128,950 |
| Geography by Letter - T | 0 | - | 4.84 | 152,669 |
| People in History A-Z #1 | 0 | - | 4.63 | 98,690 |
| People in History A-Z #2 | 0 | - | 4.47 | 54,875 |
| People in History A-Z #3 | 0 | - | 4.44 | 45,992 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.89 | 81,405 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 107,071 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 152,864 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 194,190 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 169,528 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 191,017 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 299,611 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 179,508 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,271 |
| 20th Century A-Z | 0 | - | 4.50 | 53,213 |
| 19th Century A-Z | 0 | - | 4.77 | 46,772 |
| 18th Century A-Z | 0 | - | 4.54 | 42,675 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 73,640 |
| Countries That Were Invaded | 0 | - | 4.54 | 96,985 |
| People in History A-Z #5 | 0 | - | 4.09 | 31,825 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 235,242 |
| Name an Official Language A-Z | 0 | - | 4.91 | 174,981 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,156 |
| Territory Changes in World War I | 0 | - | 4.86 | 46,283 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 124,963 |
| People Depicted in Paintings | 0 | - | 4.54 | 44,420 |
| 16th Century A-Z | 0 | - | 4.58 | 24,412 |
| 15th Century A-Z | 0 | - | 4.49 | 23,413 |
| 14th Century A-Z | 0 | - | 4.41 | 23,805 |
| 17th Century A-Z | 0 | - | 4.78 | 34,196 |
| NATO Military Alphabet | 0 | - | 4.98 | 555,121 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.81 | 798,529 |
| Religion A-Z #2 | 0 | - | 4.41 | 36,850 |
| Geography by Letter - A | 0 | - | 4.74 | 210,327 |
| Geography by Letter - B | 0 | - | 4.56 | 183,461 |
| Geography by Letter - H | 0 | - | 4.69 | 149,420 |
| Geography by Letter - C | 0 | - | 4.47 | 157,733 |
| Geography by Letter - D | 0 | - | 4.50 | 149,652 |
| Geography by Letter - E | 0 | - | 4.42 | 146,790 |
| Geography by Letter - I | 0 | - | 4.42 | 121,314 |
| Geography by Letter - K | 0 | - | 4.53 | 117,445 |
| Geography by Letter - L | 0 | - | 4.43 | 147,754 |
| Geography by Letter - M | 0 | - | 4.49 | 117,762 |
| Geography by Letter - N | 0 | - | 4.51 | 126,379 |
| Geography by Letter - P | 0 | - | 4.47 | 175,295 |
| Geography by Letter - R | 0 | - | 4.43 | 130,524 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 139,758 |
| Geography by Letter - U | 0 | - | 4.54 | 142,233 |
| Asian Geography By Letter - K | 0 | - | 4.74 | 58,001 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,124 |
| Geography A-Z #2 | 0 | - | 4.46 | 52,726 |
| Geography A-Z #5 | 0 | - | 4.47 | 37,213 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,382 |
| Movies that Start with G | 0 | - | 4.48 | 68,290 |
| Movies that Start with I | 0 | - | 4.41 | 64,934 |
| Brand Logos That Start with A | 0 | - | 4.51 | 69,443 |
| Brand Logos That Start With B | 0 | - | 4.41 | 59,337 |
| Brand Logos That Start With M | 0 | - | 4.45 | 61,934 |
| WWII A-Z #1 | 0 | - | 4.80 | 102,479 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,377 |
| Famous Battles Quiz | 0 | - | 4.21 | 48,844 |
| Name the War | 0 | - | 4.37 | 200,923 |
| Famous U.S. Generals | 0 | - | 4.27 | 38,426 |
| Famous Firsts #1 | 0 | - | 4.40 | 68,847 |
| Famous Families #1 | 0 | - | 4.20 | 83,435 |
| Names for Warriors | 0 | - | 4.40 | 36,813 |
| People in History A-Z #4 | 0 | - | 4.10 | 22,941 |
| Former Countries by Territory Map | 0 | - | 4.96 | 101,793 |
| Empires by Maps | 0 | - | 4.98 | 118,804 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,572 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,806 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,567 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,320 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,141 |
| The 15th Century | 0 | - | 4.43 | 51,089 |
| The 14th Century | 0 | - | 4.55 | 49,196 |
| The 13th Century | 0 | - | 4.48 | 43,171 |
| The 11th and 12th Century | 0 | - | 4.53 | 55,974 |
| Military History A-Z | 0 | - | 4.20 | 21,061 |
| Ye Olde Professions | 0 | - | 4.67 | 155,880 |
| People in History by Wikipedia Descriptions #1 | 0 | - | 4.42 | 44,240 |
| People in History by Wikipedia Descriptions #2 | 0 | - | 4.42 | 39,360 |
| People in History by Wikipedia Descriptions #3 | 0 | - | 4.50 | 36,610 |
| Countries by Military Spending | 0 | - | 4.93 | 176,589 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,306,898 |
| Classic Novels by Plot #2 | 0 | - | 4.87 | 37,600 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.91 | 119,852 |
| Animals that Start with L | 0 | - | 4.47 | 101,563 |
| Animals that Start with P | 0 | - | 4.45 | 85,794 |
| Animals that Start with S | 0 | - | 4.49 | 86,981 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 89,754 |
| Geography by Letter on the World Map - C | 0 | - | 4.78 | 116,754 |
| World Cities A-Z by Clue #1 | 0 | - | 4.50 | 66,690 |
| Islands A-Z | 0 | - | 4.46 | 116,903 |
| World Cities A-Z by Clue #2 | 0 | - | 4.41 | 58,091 |
| Human Body A-Z | 0 | - | 4.51 | 128,669 |
| Asian Cities A-Z by Clue | 0 | - | 4.51 | 34,726 |
| Animals A-Z #1 | 0 | - | 4.41 | 92,891 |
| Africa A-Z | 0 | - | 4.57 | 46,409 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.67 | 54,676 |
| Ethnic Groups A-Z | 0 | - | 4.50 | 42,081 |
| Metals of Antiquity | 0 | - | 4.94 | 92,997 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,250 |
| Space Exploration Trivia | 0 | - | 4.38 | 35,210 |
| WWI... or WWII? | 0 | - | 4.85 | 140,876 |
| Oldest Things | 0 | - | 3.92 | 65,601 |
| Famous Homes - Who Lived There? | 0 | - | 4.09 | 26,775 |
| Famous Firsts #2 | 0 | - | 4.00 | 80,861 |
| Famous Firsts #3 - The United States | 0 | - | 4.17 | 14,501 |
| Famous Generals - Non U.S. | 0 | - | 4.58 | 15,024 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 69,724 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 156,009 |
| Disney A-Z | 0 | - | 4.37 | 86,644 |
| Literature by Letter - A | 0 | - | 4.23 | 31,786 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,079 |
| Companies A-Z | 0 | - | 4.30 | 42,626 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 66,892 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,509 |
| Geography by Letter - G | 0 | - | 4.35 | 125,594 |
| Geography by Letter - F | 0 | - | 4.27 | 137,173 |
| Geography by Letter - J | 0 | - | 4.34 | 122,258 |
| Geography by Letter - O | 0 | - | 4.37 | 129,106 |
| Geography by Letter - V | 0 | - | 4.39 | 121,018 |
| Geography by Letter - W | 0 | - | 4.39 | 114,294 |
| Geography by Letter - Y | 0 | - | 4.39 | 110,776 |
| Geography by Letter - Z | 0 | - | 4.11 | 81,128 |
| Geography by Letter - Q | 0 | - | 4.38 | 68,970 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.18 | 35,134 |
| Video Games A-Z | 0 | - | 4.08 | 38,742 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,104 |
| Middle East A-Z | 0 | - | 4.47 | 45,846 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,191 |
| Movies that Start with A | 0 | - | 4.13 | 61,673 |
| Movies that Start with C | 0 | - | 4.30 | 61,615 |
| Movies that Start with B | 0 | - | 4.35 | 84,954 |
| Movies that Start with D | 0 | - | 4.34 | 68,256 |
| Movies that Start with E | 0 | - | 4.13 | 68,193 |
| Movies that Start with J | 0 | - | 4.18 | 75,954 |
| Movies that Start with L | 0 | - | 4.16 | 60,242 |
| Movies that Start with M | 0 | - | 4.28 | 48,088 |
| Movies that Start with N | 0 | - | 4.02 | 41,129 |
| Movies that Start with P | 0 | - | 4.25 | 54,023 |
| Movies that Start with R | 0 | - | 4.17 | 46,476 |
| Movies that Start with W | 0 | - | 4.07 | 44,153 |
| Movies that Start with T | 0 | - | 4.33 | 49,144 |
| Movies that Start with S | 0 | - | 4.35 | 56,291 |
| Movies that Start with F | 0 | - | 4.13 | 68,671 |
| Music by Letter - F | 0 | - | 4.48 | 26,859 |
| Music by Letter - A | 0 | - | 4.61 | 31,235 |
| Brand Logos That Start With D | 0 | - | 4.37 | 60,823 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,130 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,357 |
| Brand Logos That Start With S | 0 | - | 4.37 | 56,876 |
| Influential Women in History | 0 | - | 4.42 | 35,187 |
| Google What's the Difference? - History | 0 | - | 4.20 | 46,060 |
| Cradles of Civilization | 0 | - | 4.46 | 39,253 |
| Materials From History #1 | 0 | - | 4.56 | 51,184 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 704,859 |
| Notable People of WWII | 0 | - | 4.53 | 85,360 |
| WWII Trivia #2 | 0 | - | 4.52 | 103,503 |
| World War I Quiz | 0 | - | 4.78 | 100,353 |
| WWI A-Z | 0 | - | 4.50 | 38,056 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 145,343 |
| Famous Explorers | 0 | - | 4.58 | 36,007 |
| Famous Empires by Description | 0 | - | 4.73 | 118,020 |
| Answers by Time Period | 0 | - | 4.63 | 55,332 |
| History of France | 0 | - | 4.59 | 56,293 |
| Star Wars A-Z | 0 | - | 4.46 | 87,272 |
| Musical Acts by Letter - J | 0 | - | 4.20 | 77,230 |
| Musical Acts by Letter - M | 0 | - | 4.14 | 93,021 |
| Musical Acts by Letter - N | 0 | - | 4.17 | 68,118 |
