| History by Letter - A | 0 | - | 4.51 | 152,041 |
| History by Letter - B | 0 | - | 4.45 | 171,185 |
| History by Letter - C | 0 | - | 4.69 | 170,210 |
| History by Letter - E | 0 | - | 4.51 | 139,776 |
| History by Letter - G | 0 | - | 4.45 | 121,388 |
| History by Letter - H | 0 | - | 4.45 | 135,814 |
| History by Letter - J | 0 | - | 4.51 | 153,166 |
| History by Letter - N | 0 | - | 4.44 | 103,349 |
| History by Letter - S | 0 | - | 4.47 | 93,634 |
| History by Letter - W | 0 | - | 4.45 | 108,678 |
| History by Letter - M | 0 | - | 4.54 | 119,047 |
| History by Letter - K | 0 | - | 4.50 | 100,781 |
| History by Letter - L | 0 | - | 4.49 | 111,458 |
| History by Letter - I | 0 | - | 4.46 | 103,631 |
| History by Letter - D | 0 | - | 4.39 | 136,830 |
| History by Letter - F | 0 | - | 4.18 | 113,647 |
| History by Letter - O | 0 | - | 4.31 | 99,007 |
| History by Letter - P | 0 | - | 4.38 | 107,295 |
| History by Letter - Q | 0 | - | 4.34 | 79,945 |
| History by Letter - R | 0 | - | 4.26 | 121,602 |
| History by Letter - T | 0 | - | 4.39 | 104,832 |
| History by Letter - U | 0 | - | 4.19 | 100,194 |
| History by Letter - V | 0 | - | 4.27 | 80,330 |
| History by Letter - Y | 0 | - | 4.27 | 86,906 |
| History by Letter - Z | 0 | - | 4.18 | 76,711 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,103 |
| Empires A-Z | 0 | - | 4.51 | 44,786 |
| Same Start and End Letter - History #1 | 0 | - | 4.16 | 24,657 |
| Same Start and End Letter - History #2 | 0 | - | 4.13 | 25,522 |
| Countries that Start with a Vowel | 0 | - | 4.99 | 128,535 |
| Geography by Letter - T | 0 | - | 4.84 | 152,260 |
| People in History A-Z #1 | 0 | - | 4.63 | 98,550 |
| People in History A-Z #2 | 0 | - | 4.47 | 54,782 |
| People in History A-Z #3 | 0 | - | 4.44 | 45,937 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.89 | 81,198 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 106,830 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 152,676 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 193,840 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 169,335 |
| Biggest Countries by Area A-Z | 0 | - | 4.95 | 190,650 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 299,299 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 179,308 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,095 |
| 20th Century A-Z | 0 | - | 4.50 | 53,140 |
| 19th Century A-Z | 0 | - | 4.77 | 46,708 |
| 18th Century A-Z | 0 | - | 4.54 | 42,623 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 73,509 |
| Countries That Were Invaded | 0 | - | 4.54 | 96,879 |
| People in History A-Z #5 | 0 | - | 4.09 | 31,782 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 234,663 |
| Name an Official Language A-Z | 0 | - | 4.90 | 174,647 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,087 |
| Territory Changes in World War I | 0 | - | 4.86 | 46,192 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 124,863 |
| People Depicted in Paintings | 0 | - | 4.54 | 44,373 |
| 16th Century A-Z | 0 | - | 4.58 | 24,369 |
| 15th Century A-Z | 0 | - | 4.49 | 23,382 |
| 17th Century A-Z | 0 | - | 4.78 | 34,154 |
| NATO Military Alphabet | 0 | - | 4.98 | 553,766 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.81 | 797,621 |
| Geography by Letter - A | 0 | - | 4.74 | 209,973 |
| Geography by Letter - B | 0 | - | 4.56 | 183,146 |
| Geography by Letter - H | 0 | - | 4.69 | 149,192 |
| Geography by Letter - C | 0 | - | 4.47 | 157,462 |
| Geography by Letter - D | 0 | - | 4.50 | 149,398 |
| Geography by Letter - E | 0 | - | 4.42 | 146,566 |
| Geography by Letter - I | 0 | - | 4.42 | 121,120 |
| Geography by Letter - K | 0 | - | 4.53 | 117,249 |
| Geography by Letter - L | 0 | - | 4.43 | 147,533 |
| Geography by Letter - M | 0 | - | 4.49 | 117,541 |
| Geography by Letter - N | 0 | - | 4.51 | 126,159 |
| Geography by Letter - P | 0 | - | 4.47 | 175,057 |
| Geography by Letter - R | 0 | - | 4.43 | 130,222 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 139,363 |
| Geography by Letter - U | 0 | - | 4.54 | 141,963 |
| Asian Geography By Letter - K | 0 | - | 4.74 | 57,957 |
| A to Z: Musical Terms | 0 | - | 4.43 | 40,999 |
| Geography A-Z #2 | 0 | - | 4.46 | 52,667 |
| Geography A-Z #5 | 0 | - | 4.47 | 37,176 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,313 |
| Movies that Start with G | 0 | - | 4.48 | 68,228 |
| Movies that Start with I | 0 | - | 4.41 | 64,867 |
| Brand Logos That Start with A | 0 | - | 4.51 | 69,175 |
| Brand Logos That Start With B | 0 | - | 4.41 | 59,133 |
| Brand Logos That Start With M | 0 | - | 4.45 | 61,687 |
| WWII A-Z #1 | 0 | - | 4.80 | 102,333 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,298 |
| Famous Battles Quiz | 0 | - | 4.21 | 48,790 |
| Name the War | 0 | - | 4.37 | 200,699 |
| Famous U.S. Generals | 0 | - | 4.27 | 38,398 |
| Famous Firsts #1 | 0 | - | 4.40 | 68,815 |
| Famous Families #1 | 0 | - | 4.20 | 83,380 |
| Names for Warriors | 0 | - | 4.40 | 36,783 |
| People in History A-Z #4 | 0 | - | 4.10 | 22,904 |
| Former Countries by Territory Map | 0 | - | 4.96 | 101,404 |
| Empires by Maps | 0 | - | 4.98 | 118,283 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,423 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,599 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,522 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,172 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,057 |
| The 15th Century | 0 | - | 4.43 | 51,051 |
| The 14th Century | 0 | - | 4.55 | 49,159 |
| The 13th Century | 0 | - | 4.48 | 43,140 |
| The 11th and 12th Century | 0 | - | 4.53 | 55,937 |
| 14th Century A-Z | 0 | - | 4.40 | 23,665 |
| Military History A-Z | 0 | - | 4.20 | 21,033 |
| Ye Olde Professions | 0 | - | 4.67 | 155,667 |
| People in History by Wikipedia Descriptions #1 | 0 | - | 4.42 | 44,188 |
| People in History by Wikipedia Descriptions #2 | 0 | - | 4.42 | 39,318 |
| People in History by Wikipedia Descriptions #3 | 0 | - | 4.50 | 36,576 |
| Countries by Military Spending | 0 | - | 4.93 | 176,325 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,304,074 |
| Classic Novels by Plot #2 | 0 | - | 4.87 | 37,463 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 119,626 |
| Animals that Start with L | 0 | - | 4.47 | 101,213 |
| Animals that Start with P | 0 | - | 4.45 | 85,609 |
| Animals that Start with S | 0 | - | 4.49 | 86,773 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 89,574 |
| Geography by Letter on the World Map - C | 0 | - | 4.78 | 116,525 |
| World Cities A-Z by Clue #1 | 0 | - | 4.54 | 65,458 |
| Islands A-Z | 0 | - | 4.46 | 116,689 |
| World Cities A-Z by Clue #2 | 0 | - | 4.44 | 56,994 |
| Human Body A-Z | 0 | - | 4.51 | 128,248 |
| Asian Cities A-Z by Clue | 0 | - | 4.53 | 33,837 |
| Animals A-Z #1 | 0 | - | 4.41 | 92,774 |
| Africa A-Z | 0 | - | 4.57 | 46,354 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.60 | 47,459 |
| Ethnic Groups A-Z | 0 | - | 4.50 | 42,031 |
| Metals of Antiquity | 0 | - | 4.94 | 92,847 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,116 |
| Space Exploration Trivia | 0 | - | 4.38 | 35,162 |
| WWI... or WWII? | 0 | - | 4.85 | 140,537 |
| Oldest Things | 0 | - | 3.92 | 65,585 |
| Famous Homes - Who Lived There? | 0 | - | 4.09 | 26,757 |
| Famous Firsts #2 | 0 | - | 4.00 | 80,835 |
| Famous Firsts #3 - The United States | 0 | - | 4.17 | 14,485 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 69,630 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 155,713 |
| Disney A-Z | 0 | - | 4.37 | 86,088 |
| Literature by Letter - A | 0 | - | 4.23 | 31,748 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,062 |
| Companies A-Z | 0 | - | 4.30 | 42,602 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 66,823 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,467 |
| Religion A-Z #2 | 0 | - | 4.40 | 36,796 |
| Geography by Letter - G | 0 | - | 4.35 | 125,394 |
| Geography by Letter - F | 0 | - | 4.27 | 136,969 |
| Geography by Letter - J | 0 | - | 4.34 | 122,092 |
| Geography by Letter - O | 0 | - | 4.37 | 128,907 |
| Geography by Letter - V | 0 | - | 4.39 | 120,600 |
| Geography by Letter - W | 0 | - | 4.39 | 114,112 |
| Geography by Letter - Y | 0 | - | 4.39 | 110,581 |
| Geography by Letter - Z | 0 | - | 4.11 | 80,958 |
| Geography by Letter - Q | 0 | - | 4.38 | 68,800 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.18 | 35,101 |
| Video Games A-Z | 0 | - | 4.08 | 38,665 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,061 |
| Middle East A-Z | 0 | - | 4.47 | 45,759 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,132 |
| Movies that Start with A | 0 | - | 4.13 | 61,620 |
| Movies that Start with C | 0 | - | 4.30 | 61,556 |
| Movies that Start with B | 0 | - | 4.35 | 84,886 |
| Movies that Start with D | 0 | - | 4.34 | 68,207 |
| Movies that Start with E | 0 | - | 4.13 | 68,154 |
| Movies that Start with J | 0 | - | 4.18 | 75,899 |
| Movies that Start with L | 0 | - | 4.16 | 60,208 |
| Movies that Start with M | 0 | - | 4.28 | 48,042 |
| Movies that Start with N | 0 | - | 4.02 | 41,093 |
| Movies that Start with P | 0 | - | 4.25 | 53,979 |
| Movies that Start with R | 0 | - | 4.17 | 46,423 |
| Movies that Start with W | 0 | - | 4.07 | 44,116 |
| Movies that Start with T | 0 | - | 4.33 | 49,092 |
| Movies that Start with S | 0 | - | 4.35 | 56,248 |
| Movies that Start with F | 0 | - | 4.13 | 68,622 |
| Music by Letter - F | 0 | - | 4.48 | 26,791 |
| Music by Letter - A | 0 | - | 4.61 | 31,164 |
| Brand Logos That Start With D | 0 | - | 4.37 | 60,596 |
| Brand Logos That Start With C | 0 | - | 4.17 | 48,973 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,130 |
| Brand Logos That Start With S | 0 | - | 4.37 | 56,619 |
| Influential Women in History | 0 | - | 4.42 | 34,917 |
| Google What's the Difference? - History | 0 | - | 4.20 | 46,004 |
| Cradles of Civilization | 0 | - | 4.46 | 38,977 |
| Materials From History #1 | 0 | - | 4.56 | 50,533 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 704,124 |
| Notable People of WWII | 0 | - | 4.53 | 85,302 |
| WWII Trivia #2 | 0 | - | 4.52 | 103,390 |
| World War I Quiz | 0 | - | 4.78 | 100,203 |
| WWI A-Z | 0 | - | 4.50 | 38,006 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 145,090 |
| Famous Explorers | 0 | - | 4.58 | 35,924 |
| Famous Empires by Description | 0 | - | 4.70 | 117,489 |
| Answers by Time Period | 0 | - | 4.63 | 55,244 |
| History of France | 0 | - | 4.59 | 55,949 |
| Star Wars A-Z | 0 | - | 4.46 | 87,112 |
| Musical Acts by Letter - J | 0 | - | 4.20 | 77,143 |
| Musical Acts by Letter - M | 0 | - | 4.14 | 92,908 |
| Musical Acts by Letter - N | 0 | - | 4.17 | 68,053 |
| Musical Acts by Letter - P | 0 | - | 4.24 | 65,133 |
