| History by Letter - B | 0 | - | 4.45 | 171,789 |
| History by Letter - C | 0 | - | 4.70 | 170,927 |
| History by Letter - E | 0 | - | 4.51 | 140,289 |
| History by Letter - G | 0 | - | 4.46 | 121,815 |
| History by Letter - J | 0 | - | 4.51 | 153,724 |
| History by Letter - N | 0 | - | 4.45 | 103,709 |
| History by Letter - S | 0 | - | 4.47 | 93,990 |
| History by Letter - W | 0 | - | 4.45 | 109,089 |
| History by Letter - M | 0 | - | 4.54 | 119,594 |
| History by Letter - K | 0 | - | 4.50 | 101,142 |
| History by Letter - L | 0 | - | 4.50 | 111,853 |
| History by Letter - I | 0 | - | 4.46 | 104,007 |
| History by Letter - D | 0 | - | 4.39 | 137,274 |
| History by Letter - F | 0 | - | 4.18 | 114,005 |
| History by Letter - O | 0 | - | 4.32 | 99,324 |
| History by Letter - P | 0 | - | 4.39 | 107,639 |
| History by Letter - Q | 0 | - | 4.34 | 80,190 |
| History by Letter - R | 0 | - | 4.26 | 121,980 |
| History by Letter - T | 0 | - | 4.39 | 105,115 |
| History by Letter - U | 0 | - | 4.19 | 100,635 |
| History by Letter - V | 0 | - | 4.27 | 80,623 |
| History by Letter - Y | 0 | - | 4.27 | 87,138 |
| History by Letter - Z | 0 | - | 4.19 | 76,915 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,194 |
| History Containing the Letter X | 0 | - | 4.47 | 26,994 |
| History Containing the Letter Z | 0 | - | 4.53 | 23,403 |
| Empires A-Z | 0 | - | 4.51 | 45,022 |
| Same Start and End Letter - History #1 | 0 | - | 4.17 | 24,711 |
| Same Start and End Letter - History #2 | 0 | - | 4.13 | 25,617 |
| History Ending in Z | 0 | - | 4.35 | 13,502 |
| Countries that Start with a Vowel | 0 | - | 4.99 | 129,679 |
| Geography by Letter - T | 0 | - | 4.84 | 153,343 |
| People in History A-Z #1 | 0 | - | 4.61 | 98,853 |
| People in History A-Z #2 | 0 | - | 4.47 | 54,977 |
| People in History A-Z #3 | 0 | - | 4.44 | 46,080 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.89 | 81,863 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 107,548 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 153,079 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 194,596 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 169,749 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 191,489 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 300,034 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 179,819 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,509 |
| 20th Century A-Z | 0 | - | 4.50 | 53,333 |
| 19th Century A-Z | 0 | - | 4.77 | 46,880 |
| 18th Century A-Z | 0 | - | 4.54 | 42,759 |
| "Second Best" History Edition | 0 | - | 4.94 | 62,546 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 73,858 |
| Countries That Were Invaded | 0 | - | 4.55 | 97,223 |
| People in History A-Z #5 | 0 | - | 4.09 | 31,882 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 235,951 |
| Name an Official Language A-Z | 0 | - | 4.91 | 175,466 |
| People Depicted in Paintings | 0 | - | 4.54 | 44,530 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,314 |
| Territory Changes in World War I | 0 | - | 4.87 | 46,559 |
| 16th Century A-Z | 0 | - | 4.58 | 24,504 |
| 15th Century A-Z | 0 | - | 4.49 | 23,496 |
| 14th Century A-Z | 0 | - | 4.41 | 23,936 |
| 17th Century A-Z | 0 | - | 4.78 | 34,277 |
| NATO Military Alphabet | 0 | - | 4.98 | 557,271 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.81 | 800,000 |
| Religion A-Z #2 | 0 | - | 4.41 | 36,931 |
| Geography by Letter - A | 0 | - | 4.74 | 211,158 |
| Geography by Letter - B | 0 | - | 4.56 | 184,218 |
| Geography by Letter - H | 0 | - | 4.69 | 149,981 |
| Geography by Letter - C | 0 | - | 4.47 | 158,339 |
| Geography by Letter - D | 0 | - | 4.50 | 150,182 |
| Geography by Letter - E | 0 | - | 4.42 | 147,289 |
| Geography by Letter - I | 0 | - | 4.42 | 121,739 |
| Geography by Letter - K | 0 | - | 4.53 | 117,862 |
| Geography by Letter - L | 0 | - | 4.43 | 148,206 |
| Geography by Letter - M | 0 | - | 4.49 | 118,355 |
| Geography by Letter - N | 0 | - | 4.51 | 126,778 |
| Geography by Letter - P | 0 | - | 4.47 | 175,718 |
| Geography by Letter - R | 0 | - | 4.43 | 131,047 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 140,218 |
| Geography by Letter - U | 0 | - | 4.53 | 142,716 |
| Asian Geography By Letter - K | 0 | - | 4.74 | 58,076 |
| Geography Containing the Letter X | 0 | - | 4.42 | 34,577 |
| Geography Containing the Letter Q | 0 | - | 4.55 | 42,276 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,237 |
| Geography A-Z #2 | 0 | - | 4.46 | 52,817 |
| Geography A-Z #5 | 0 | - | 4.47 | 37,286 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,477 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,087 |
| Movies that Start with G | 0 | - | 4.49 | 68,421 |
| Movies that Start with I | 0 | - | 4.41 | 65,073 |
| Brand Logos That Start with A | 0 | - | 4.52 | 69,877 |
| Brand Logos That Start With M | 0 | - | 4.45 | 62,330 |
| Former Countries by Territory Map | 0 | - | 4.96 | 102,311 |
| Empires by Maps | 0 | - | 4.98 | 119,615 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,510 |
| Famous Battles Quiz | 0 | - | 4.21 | 48,929 |
| Name the War | 0 | - | 4.37 | 201,286 |
| Famous U.S. Generals | 0 | - | 4.27 | 38,482 |
| Famous Firsts #1 | 0 | - | 4.40 | 68,974 |
| Famous Families #1 | 0 | - | 4.20 | 83,524 |
| Names for Warriors | 0 | - | 4.40 | 36,877 |
| Famous Firsts #2 | 0 | - | 4.01 | 80,963 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,276 |
| People in History A-Z #4 | 0 | - | 4.10 | 22,984 |
| Countries by Military Spending | 0 | - | 4.93 | 177,099 |
| Classic Novels by Plot #2 | 0 | - | 4.87 | 37,786 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 120,219 |
| Name a Minecraft Mob A-Z | 0 | - | 4.87 | 42,246 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,810 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,040 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,647 |
| WWII A-Z #1 | 0 | - | 4.78 | 102,738 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,523 |
| People in History by Wikipedia Descriptions #1 | 0 | - | 4.42 | 44,308 |
| People in History by Wikipedia Descriptions #2 | 0 | - | 4.42 | 39,422 |
| People in History by Wikipedia Descriptions #3 | 0 | - | 4.50 | 36,648 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,311,575 |
| Animals that Start with L | 0 | - | 4.47 | 101,724 |
| Animals that Start with P | 0 | - | 4.45 | 85,972 |
| Animals that Start with S | 0 | - | 4.49 | 87,165 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 90,095 |
| Geography by Letter on the World Map - C | 0 | - | 4.78 | 117,144 |
| World Cities A-Z by Clue #1 | 0 | - | 4.50 | 67,583 |
| Islands A-Z | 0 | - | 4.46 | 117,228 |
| Human Body A-Z | 0 | - | 4.51 | 128,933 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 35,258 |
| Animals A-Z #1 | 0 | - | 4.41 | 93,077 |
| Africa A-Z | 0 | - | 4.57 | 46,521 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.68 | 57,408 |
| Ethnic Groups A-Z | 0 | - | 4.50 | 42,184 |
| Space Exploration Trivia | 0 | - | 4.38 | 35,285 |
| Military History A-Z | 0 | - | 4.20 | 21,110 |
| Famous Generals - Non U.S. | 0 | - | 4.59 | 15,090 |
| Disney A-Z | 0 | - | 4.37 | 86,864 |
| Literature by Letter - A | 0 | - | 4.23 | 31,853 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,112 |
| Companies A-Z | 0 | - | 4.30 | 42,665 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,572 |
| Geography by Letter - G | 0 | - | 4.35 | 126,000 |
| Geography by Letter - F | 0 | - | 4.27 | 137,585 |
| Geography by Letter - J | 0 | - | 4.34 | 122,657 |
| Geography by Letter - O | 0 | - | 4.37 | 129,478 |
| Geography by Letter - V | 0 | - | 4.39 | 121,452 |
| Geography by Letter - W | 0 | - | 4.39 | 114,621 |
| Geography by Letter - Y | 0 | - | 4.39 | 111,094 |
| Geography by Letter - Z | 0 | - | 4.11 | 81,434 |
| Geography by Letter - Q | 0 | - | 4.38 | 69,269 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.15 | 35,203 |
| Geography Containing the Letter Z | 0 | - | 4.49 | 27,788 |
| Video Games A-Z | 0 | - | 4.08 | 38,856 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,184 |
| Movies that Start with A | 0 | - | 4.13 | 61,796 |
| Movies that Start with C | 0 | - | 4.30 | 61,749 |
| Movies that Start with B | 0 | - | 4.36 | 85,103 |
| Movies that Start with D | 0 | - | 4.34 | 68,362 |
| Movies that Start with E | 0 | - | 4.13 | 68,292 |
| Movies that Start with J | 0 | - | 4.18 | 76,074 |
| Movies that Start with L | 0 | - | 4.16 | 60,342 |
| Movies that Start with M | 0 | - | 4.28 | 48,162 |
| Movies that Start with N | 0 | - | 4.02 | 41,205 |
| Movies that Start with P | 0 | - | 4.25 | 54,097 |
| Movies that Start with R | 0 | - | 4.17 | 46,571 |
| Movies that Start with W | 0 | - | 4.07 | 44,216 |
| Movies that Start with T | 0 | - | 4.34 | 49,229 |
| Movies that Start with S | 0 | - | 4.35 | 56,392 |
| Movies that Start with F | 0 | - | 4.13 | 68,771 |
| Music by Letter - F | 0 | - | 4.48 | 26,938 |
| Music by Letter - A | 0 | - | 4.61 | 31,305 |
| Brand Logos That Start With B | 0 | - | 4.38 | 59,680 |
| Brand Logos That Start With D | 0 | - | 4.37 | 61,188 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,401 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,745 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,237 |
| Influential Women in History | 0 | - | 4.42 | 35,393 |
| Metals of Antiquity | 0 | - | 4.94 | 93,195 |
| Cradles of Civilization | 0 | - | 4.46 | 39,459 |
| Materials From History #1 | 0 | - | 4.56 | 51,388 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,496 |
| History: What Came First? #1 | 0 | - | 4.87 | 104,907 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 706,066 |
| WWI... or WWII? | 0 | - | 4.85 | 141,593 |
| Oldest Things | 0 | - | 3.92 | 65,635 |
| Famous Homes - Who Lived There? | 0 | - | 4.09 | 26,803 |
| Biggest Nations and Empires Ever | 0 | - | 4.52 | 145,603 |
| Famous Explorers | 0 | - | 4.58 | 36,082 |
| Famous Empires by Description | 0 | - | 4.73 | 118,233 |
| Answers by Time Period | 0 | - | 4.64 | 55,456 |
| Famous Firsts #3 - The United States | 0 | - | 4.19 | 14,608 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 70,091 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 156,550 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 67,013 |
| Middle East A-Z | 0 | - | 4.47 | 45,936 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,264 |
| Google What's the Difference? - History | 0 | - | 4.20 | 46,150 |
| Notable People of WWII | 0 | - | 4.53 | 85,521 |
| WWII Trivia #2 | 0 | - | 4.52 | 103,778 |
| World War I Quiz | 0 | - | 4.78 | 101,044 |
| WWI A-Z | 0 | - | 4.50 | 38,210 |
| Most Important People in History | 0 | - | 3.98 | 50,571 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 89,963 |
| Star Wars A-Z | 0 | - | 4.46 | 87,831 |
| Monarchies of the World | 0 | - | 4.94 | 167,595 |
