| History by Letter - A | 0 | - | 4.51 | 152,026 |
| History by Letter - B | 0 | - | 4.45 | 171,169 |
| History by Letter - C | 0 | - | 4.69 | 170,193 |
| History by Letter - E | 0 | - | 4.51 | 139,761 |
| History by Letter - G | 0 | - | 4.45 | 121,371 |
| History by Letter - H | 0 | - | 4.45 | 135,798 |
| History by Letter - J | 0 | - | 4.51 | 153,148 |
| History by Letter - N | 0 | - | 4.44 | 103,338 |
| History by Letter - S | 0 | - | 4.47 | 93,625 |
| History by Letter - W | 0 | - | 4.45 | 108,668 |
| History by Letter - M | 0 | - | 4.54 | 119,032 |
| History by Letter - K | 0 | - | 4.50 | 100,776 |
| History by Letter - L | 0 | - | 4.49 | 111,447 |
| History by Letter - I | 0 | - | 4.46 | 103,622 |
| History by Letter - D | 0 | - | 4.39 | 136,823 |
| History by Letter - F | 0 | - | 4.18 | 113,637 |
| History by Letter - O | 0 | - | 4.31 | 99,001 |
| History by Letter - P | 0 | - | 4.38 | 107,285 |
| History by Letter - Q | 0 | - | 4.34 | 79,937 |
| History by Letter - R | 0 | - | 4.26 | 121,592 |
| History by Letter - T | 0 | - | 4.39 | 104,819 |
| History by Letter - U | 0 | - | 4.19 | 100,183 |
| History by Letter - V | 0 | - | 4.27 | 80,326 |
| History by Letter - Y | 0 | - | 4.27 | 86,898 |
| History by Letter - Z | 0 | - | 4.18 | 76,707 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,103 |
| Empires A-Z | 0 | - | 4.51 | 44,777 |
| Same Start and End Letter - History #1 | 0 | - | 4.16 | 24,653 |
| Same Start and End Letter - History #2 | 0 | - | 4.13 | 25,517 |
| Countries that Start with a Vowel | 0 | - | 4.99 | 128,485 |
| Geography by Letter - T | 0 | - | 4.84 | 152,198 |
| People in History A-Z #1 | 0 | - | 4.63 | 98,536 |
| People in History A-Z #2 | 0 | - | 4.47 | 54,774 |
| People in History A-Z #3 | 0 | - | 4.44 | 45,932 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.89 | 81,182 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 106,810 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 152,658 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 193,816 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 169,324 |
| Biggest Countries by Area A-Z | 0 | - | 4.95 | 190,622 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 299,283 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 179,292 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,082 |
| 20th Century A-Z | 0 | - | 4.50 | 53,129 |
| 19th Century A-Z | 0 | - | 4.77 | 46,707 |
| 18th Century A-Z | 0 | - | 4.54 | 42,618 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 73,499 |
| Countries That Were Invaded | 0 | - | 4.54 | 96,875 |
| People in History A-Z #5 | 0 | - | 4.09 | 31,779 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 234,611 |
| Name an Official Language A-Z | 0 | - | 4.90 | 174,618 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,079 |
| Territory Changes in World War I | 0 | - | 4.86 | 46,186 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 124,852 |
| People Depicted in Paintings | 0 | - | 4.54 | 44,369 |
| 16th Century A-Z | 0 | - | 4.58 | 24,367 |
| 15th Century A-Z | 0 | - | 4.49 | 23,380 |
| 17th Century A-Z | 0 | - | 4.78 | 34,150 |
| NATO Military Alphabet | 0 | - | 4.98 | 553,619 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.81 | 797,469 |
| Geography by Letter - A | 0 | - | 4.74 | 209,939 |
| Geography by Letter - B | 0 | - | 4.56 | 183,110 |
| Geography by Letter - H | 0 | - | 4.69 | 149,163 |
| Geography by Letter - C | 0 | - | 4.47 | 157,426 |
| Geography by Letter - D | 0 | - | 4.50 | 149,365 |
| Geography by Letter - E | 0 | - | 4.42 | 146,539 |
| Geography by Letter - I | 0 | - | 4.42 | 121,094 |
| Geography by Letter - K | 0 | - | 4.53 | 117,229 |
| Geography by Letter - L | 0 | - | 4.43 | 147,504 |
| Geography by Letter - M | 0 | - | 4.49 | 117,513 |
| Geography by Letter - N | 0 | - | 4.51 | 126,136 |
| Geography by Letter - P | 0 | - | 4.47 | 175,022 |
| Geography by Letter - R | 0 | - | 4.43 | 130,182 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 139,249 |
| Geography by Letter - U | 0 | - | 4.54 | 141,930 |
| Asian Geography By Letter - K | 0 | - | 4.74 | 57,943 |
| A to Z: Musical Terms | 0 | - | 4.43 | 40,979 |
| Geography A-Z #2 | 0 | - | 4.46 | 52,662 |
| Geography A-Z #5 | 0 | - | 4.47 | 37,169 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,305 |
| Movies that Start with G | 0 | - | 4.48 | 68,221 |
| Movies that Start with I | 0 | - | 4.41 | 64,860 |
| Brand Logos That Start with A | 0 | - | 4.51 | 69,151 |
| Brand Logos That Start With B | 0 | - | 4.41 | 59,113 |
| Brand Logos That Start With M | 0 | - | 4.45 | 61,667 |
| WWII A-Z #1 | 0 | - | 4.80 | 102,320 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,288 |
| Famous Battles Quiz | 0 | - | 4.21 | 48,788 |
| Name the War | 0 | - | 4.37 | 200,680 |
| Famous U.S. Generals | 0 | - | 4.27 | 38,396 |
| Famous Firsts #1 | 0 | - | 4.40 | 68,810 |
| Famous Families #1 | 0 | - | 4.20 | 83,372 |
| Names for Warriors | 0 | - | 4.40 | 36,781 |
| People in History A-Z #4 | 0 | - | 4.10 | 22,903 |
| Former Countries by Territory Map | 0 | - | 4.96 | 101,358 |
| Empires by Maps | 0 | - | 4.98 | 118,237 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,408 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,576 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,516 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,163 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,045 |
| The 15th Century | 0 | - | 4.43 | 51,048 |
| The 14th Century | 0 | - | 4.55 | 49,159 |
| The 13th Century | 0 | - | 4.48 | 43,139 |
| The 11th and 12th Century | 0 | - | 4.53 | 55,935 |
| 14th Century A-Z | 0 | - | 4.40 | 23,642 |
| Military History A-Z | 0 | - | 4.20 | 21,030 |
| Ye Olde Professions | 0 | - | 4.67 | 155,654 |
| People in History by Wikipedia Descriptions #1 | 0 | - | 4.42 | 44,176 |
| People in History by Wikipedia Descriptions #2 | 0 | - | 4.42 | 39,314 |
| People in History by Wikipedia Descriptions #3 | 0 | - | 4.50 | 36,574 |
| Countries by Military Spending | 0 | - | 4.93 | 176,300 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,303,837 |
| Classic Novels by Plot #2 | 0 | - | 4.87 | 37,444 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 119,603 |
| Animals that Start with L | 0 | - | 4.47 | 101,207 |
| Animals that Start with P | 0 | - | 4.45 | 85,604 |
| Animals that Start with S | 0 | - | 4.49 | 86,770 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 89,560 |
| Geography by Letter on the World Map - C | 0 | - | 4.78 | 116,512 |
| World Cities A-Z by Clue #1 | 0 | - | 4.54 | 65,189 |
| Islands A-Z | 0 | - | 4.46 | 116,673 |
| World Cities A-Z by Clue #2 | 0 | - | 4.44 | 56,770 |
| Human Body A-Z | 0 | - | 4.51 | 128,201 |
| Asian Cities A-Z by Clue | 0 | - | 4.53 | 33,634 |
| Animals A-Z #1 | 0 | - | 4.41 | 92,763 |
| Africa A-Z | 0 | - | 4.57 | 46,348 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.60 | 47,450 |
| Ethnic Groups A-Z | 0 | - | 4.50 | 42,020 |
| Metals of Antiquity | 0 | - | 4.94 | 92,825 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,106 |
| Space Exploration Trivia | 0 | - | 4.38 | 35,157 |
| WWI... or WWII? | 0 | - | 4.85 | 140,511 |
| Oldest Things | 0 | - | 3.92 | 65,585 |
| Famous Homes - Who Lived There? | 0 | - | 4.09 | 26,755 |
| Famous Firsts #2 | 0 | - | 4.00 | 80,834 |
| Famous Firsts #3 - The United States | 0 | - | 4.17 | 14,484 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 69,617 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 155,685 |
| Disney A-Z | 0 | - | 4.37 | 86,075 |
| Literature by Letter - A | 0 | - | 4.23 | 31,746 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,062 |
| Companies A-Z | 0 | - | 4.30 | 42,601 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 66,816 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,466 |
| Religion A-Z #2 | 0 | - | 4.40 | 36,792 |
| Geography by Letter - G | 0 | - | 4.35 | 125,372 |
| Geography by Letter - F | 0 | - | 4.27 | 136,944 |
| Geography by Letter - J | 0 | - | 4.34 | 122,065 |
| Geography by Letter - O | 0 | - | 4.37 | 128,887 |
| Geography by Letter - V | 0 | - | 4.39 | 120,438 |
| Geography by Letter - W | 0 | - | 4.39 | 114,082 |
| Geography by Letter - Y | 0 | - | 4.39 | 110,552 |
| Geography by Letter - Z | 0 | - | 4.11 | 80,936 |
| Geography by Letter - Q | 0 | - | 4.38 | 68,785 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.18 | 35,099 |
| Video Games A-Z | 0 | - | 4.08 | 38,658 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,055 |
| Middle East A-Z | 0 | - | 4.47 | 45,753 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,128 |
| Movies that Start with A | 0 | - | 4.13 | 61,610 |
| Movies that Start with C | 0 | - | 4.30 | 61,550 |
| Movies that Start with B | 0 | - | 4.35 | 84,874 |
| Movies that Start with D | 0 | - | 4.34 | 68,201 |
| Movies that Start with E | 0 | - | 4.13 | 68,145 |
| Movies that Start with J | 0 | - | 4.18 | 75,893 |
| Movies that Start with L | 0 | - | 4.16 | 60,201 |
| Movies that Start with M | 0 | - | 4.28 | 48,038 |
| Movies that Start with N | 0 | - | 4.02 | 41,089 |
| Movies that Start with P | 0 | - | 4.25 | 53,976 |
| Movies that Start with R | 0 | - | 4.17 | 46,419 |
| Movies that Start with W | 0 | - | 4.07 | 44,113 |
| Movies that Start with T | 0 | - | 4.33 | 49,088 |
| Movies that Start with S | 0 | - | 4.35 | 56,238 |
| Movies that Start with F | 0 | - | 4.13 | 68,617 |
| Music by Letter - F | 0 | - | 4.48 | 26,779 |
| Music by Letter - A | 0 | - | 4.61 | 31,156 |
| Brand Logos That Start With D | 0 | - | 4.37 | 60,580 |
| Brand Logos That Start With C | 0 | - | 4.17 | 48,964 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,107 |
| Brand Logos That Start With S | 0 | - | 4.37 | 56,601 |
| Influential Women in History | 0 | - | 4.42 | 34,908 |
| Google What's the Difference? - History | 0 | - | 4.20 | 46,000 |
| Cradles of Civilization | 0 | - | 4.46 | 38,969 |
| Materials From History #1 | 0 | - | 4.56 | 50,527 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 704,060 |
| Notable People of WWII | 0 | - | 4.53 | 85,292 |
| WWII Trivia #2 | 0 | - | 4.52 | 103,377 |
| World War I Quiz | 0 | - | 4.78 | 100,187 |
| WWI A-Z | 0 | - | 4.50 | 38,001 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 145,082 |
| Famous Explorers | 0 | - | 4.58 | 35,918 |
| Famous Empires by Description | 0 | - | 4.70 | 117,474 |
| Answers by Time Period | 0 | - | 4.63 | 55,233 |
| History of France | 0 | - | 4.59 | 55,918 |
| Star Wars A-Z | 0 | - | 4.46 | 87,088 |
| Musical Acts by Letter - J | 0 | - | 4.20 | 77,129 |
| Musical Acts by Letter - M | 0 | - | 4.14 | 92,890 |
| Musical Acts by Letter - N | 0 | - | 4.17 | 68,045 |
| Musical Acts by Letter - P | 0 | - | 4.24 | 65,125 |
