| History by Letter - B | 0 | - | 4.45 | 171,899 |
| History by Letter - C | 0 | - | 4.70 | 171,095 |
| History by Letter - E | 0 | - | 4.51 | 140,376 |
| History by Letter - G | 0 | - | 4.46 | 121,887 |
| History by Letter - H | 0 | - | 4.45 | 136,345 |
| History by Letter - J | 0 | - | 4.51 | 153,796 |
| History by Letter - N | 0 | - | 4.45 | 103,846 |
| History by Letter - S | 0 | - | 4.47 | 94,225 |
| History by Letter - W | 0 | - | 4.45 | 109,154 |
| History by Letter - M | 0 | - | 4.54 | 119,670 |
| History by Letter - K | 0 | - | 4.50 | 101,202 |
| History by Letter - L | 0 | - | 4.50 | 111,918 |
| History by Letter - I | 0 | - | 4.46 | 104,056 |
| History by Letter - D | 0 | - | 4.39 | 137,353 |
| History by Letter - F | 0 | - | 4.18 | 114,064 |
| History by Letter - O | 0 | - | 4.32 | 99,374 |
| History by Letter - P | 0 | - | 4.39 | 107,709 |
| History by Letter - Q | 0 | - | 4.34 | 80,231 |
| History by Letter - R | 0 | - | 4.26 | 122,033 |
| History by Letter - T | 0 | - | 4.39 | 105,157 |
| History by Letter - U | 0 | - | 4.19 | 100,683 |
| History by Letter - V | 0 | - | 4.27 | 80,662 |
| History by Letter - Y | 0 | - | 4.27 | 87,174 |
| History by Letter - Z | 0 | - | 4.19 | 76,952 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,205 |
| History Containing the Letter X | 0 | - | 4.47 | 27,005 |
| History Containing the Letter Z | 0 | - | 4.53 | 23,409 |
| Empires A-Z | 0 | - | 4.51 | 45,058 |
| Same Start and End Letter - History #1 | 0 | - | 4.17 | 24,720 |
| Same Start and End Letter - History #2 | 0 | - | 4.13 | 25,627 |
| History Ending in Z | 0 | - | 4.35 | 13,508 |
| Countries that Start with a Vowel | 0 | - | 4.99 | 129,791 |
| Geography by Letter - T | 0 | - | 4.84 | 153,470 |
| People in History A-Z #1 | 0 | - | 4.61 | 98,885 |
| People in History A-Z #2 | 0 | - | 4.47 | 55,013 |
| People in History A-Z #3 | 0 | - | 4.44 | 46,110 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.89 | 81,931 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 107,630 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 153,124 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 194,819 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 169,795 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 191,574 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 300,098 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 179,883 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,543 |
| 20th Century A-Z | 0 | - | 4.50 | 53,520 |
| 19th Century A-Z | 0 | - | 4.77 | 47,104 |
| 18th Century A-Z | 0 | - | 4.54 | 42,981 |
| "Second Best" History Edition | 0 | - | 4.94 | 62,644 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 73,905 |
| Countries That Were Invaded | 0 | - | 4.55 | 97,250 |
| People in History A-Z #5 | 0 | - | 4.09 | 31,899 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 236,073 |
| Name an Official Language A-Z | 0 | - | 4.91 | 175,557 |
| People Depicted in Paintings | 0 | - | 4.54 | 44,550 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,331 |
| Territory Changes in World War I | 0 | - | 4.87 | 46,593 |
| 16th Century A-Z | 0 | - | 4.58 | 24,726 |
| 15th Century A-Z | 0 | - | 4.49 | 23,772 |
| 14th Century A-Z | 0 | - | 4.41 | 24,186 |
| 17th Century A-Z | 0 | - | 4.78 | 34,479 |
| NATO Military Alphabet | 0 | - | 4.98 | 557,595 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.81 | 800,802 |
| Religion A-Z #2 | 0 | - | 4.41 | 36,951 |
| Geography by Letter - A | 0 | - | 4.74 | 211,266 |
| Geography by Letter - B | 0 | - | 4.56 | 184,320 |
| Geography by Letter - H | 0 | - | 4.69 | 150,081 |
| Geography by Letter - C | 0 | - | 4.47 | 158,433 |
| Geography by Letter - D | 0 | - | 4.50 | 150,284 |
| Geography by Letter - E | 0 | - | 4.42 | 147,374 |
| Geography by Letter - I | 0 | - | 4.42 | 121,817 |
| Geography by Letter - K | 0 | - | 4.53 | 117,921 |
| Geography by Letter - L | 0 | - | 4.43 | 148,293 |
| Geography by Letter - M | 0 | - | 4.49 | 118,443 |
| Geography by Letter - N | 0 | - | 4.51 | 126,841 |
| Geography by Letter - P | 0 | - | 4.47 | 175,806 |
| Geography by Letter - R | 0 | - | 4.43 | 131,355 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 140,313 |
| Geography by Letter - U | 0 | - | 4.53 | 142,800 |
| Asian Geography By Letter - K | 0 | - | 4.74 | 58,089 |
| Geography Containing the Letter X | 0 | - | 4.42 | 34,589 |
| Geography Containing the Letter Q | 0 | - | 4.55 | 42,598 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,253 |
| Geography A-Z #2 | 0 | - | 4.46 | 52,832 |
| Geography A-Z #5 | 0 | - | 4.47 | 37,305 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,499 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,104 |
| Movies that Start with G | 0 | - | 4.49 | 68,447 |
| Movies that Start with I | 0 | - | 4.41 | 65,090 |
| Brand Logos That Start with A | 0 | - | 4.52 | 69,941 |
| Brand Logos That Start With M | 0 | - | 4.45 | 62,405 |
| Former Countries by Territory Map | 0 | - | 4.96 | 102,389 |
| Empires by Maps | 0 | - | 4.98 | 119,738 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,536 |
| Famous Battles Quiz | 0 | - | 4.21 | 48,941 |
| Name the War | 0 | - | 4.37 | 201,341 |
| Famous U.S. Generals | 0 | - | 4.27 | 38,496 |
| Famous Firsts #1 | 0 | - | 4.40 | 68,985 |
| Famous Families #1 | 0 | - | 4.20 | 83,535 |
| Names for Warriors | 0 | - | 4.40 | 36,888 |
| Famous Firsts #2 | 0 | - | 4.01 | 80,977 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,289 |
| People in History A-Z #4 | 0 | - | 4.10 | 22,994 |
| Countries by Military Spending | 0 | - | 4.93 | 177,179 |
| Classic Novels by Plot #2 | 0 | - | 4.87 | 37,817 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 120,271 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,852 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,072 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,655 |
| WWII A-Z #1 | 0 | - | 4.78 | 102,775 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,542 |
| People in History by Wikipedia Descriptions #1 | 0 | - | 4.42 | 44,320 |
| People in History by Wikipedia Descriptions #2 | 0 | - | 4.42 | 39,434 |
| People in History by Wikipedia Descriptions #3 | 0 | - | 4.50 | 36,656 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,312,317 |
| Animals that Start with L | 0 | - | 4.47 | 101,745 |
| Animals that Start with P | 0 | - | 4.45 | 85,988 |
| Animals that Start with S | 0 | - | 4.49 | 87,188 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 90,148 |
| Geography by Letter on the World Map - C | 0 | - | 4.78 | 117,214 |
| World Cities A-Z by Clue #1 | 0 | - | 4.50 | 67,732 |
| Islands A-Z | 0 | - | 4.46 | 117,293 |
| Human Body A-Z | 0 | - | 4.51 | 128,964 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 35,314 |
| Animals A-Z #1 | 0 | - | 4.41 | 93,114 |
| Africa A-Z | 0 | - | 4.57 | 46,543 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.68 | 57,467 |
| Ethnic Groups A-Z | 0 | - | 4.50 | 42,201 |
| Space Exploration Trivia | 0 | - | 4.38 | 35,299 |
| Military History A-Z | 0 | - | 4.20 | 21,120 |
| Famous Generals - Non U.S. | 0 | - | 4.59 | 15,101 |
| Disney A-Z | 0 | - | 4.37 | 86,902 |
| Literature by Letter - A | 0 | - | 4.23 | 31,862 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,122 |
| Companies A-Z | 0 | - | 4.30 | 42,672 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,586 |
| Geography by Letter - G | 0 | - | 4.35 | 126,084 |
| Geography by Letter - F | 0 | - | 4.27 | 137,656 |
| Geography by Letter - J | 0 | - | 4.34 | 122,724 |
| Geography by Letter - O | 0 | - | 4.37 | 129,560 |
| Geography by Letter - V | 0 | - | 4.39 | 121,523 |
| Geography by Letter - W | 0 | - | 4.39 | 114,672 |
| Geography by Letter - Y | 0 | - | 4.39 | 111,156 |
| Geography by Letter - Z | 0 | - | 4.11 | 81,481 |
| Geography by Letter - Q | 0 | - | 4.38 | 69,324 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.15 | 35,215 |
| Geography Containing the Letter Z | 0 | - | 4.49 | 27,802 |
| Video Games A-Z | 0 | - | 4.08 | 38,881 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,192 |
| Movies that Start with A | 0 | - | 4.13 | 61,805 |
| Movies that Start with C | 0 | - | 4.30 | 61,764 |
| Movies that Start with B | 0 | - | 4.36 | 85,119 |
| Movies that Start with D | 0 | - | 4.34 | 68,371 |
| Movies that Start with E | 0 | - | 4.13 | 68,303 |
| Movies that Start with J | 0 | - | 4.18 | 76,085 |
| Movies that Start with L | 0 | - | 4.16 | 60,356 |
| Movies that Start with M | 0 | - | 4.28 | 48,175 |
| Movies that Start with N | 0 | - | 4.02 | 41,213 |
| Movies that Start with P | 0 | - | 4.25 | 54,109 |
| Movies that Start with R | 0 | - | 4.17 | 46,581 |
| Movies that Start with W | 0 | - | 4.07 | 44,222 |
| Movies that Start with T | 0 | - | 4.34 | 49,236 |
| Movies that Start with S | 0 | - | 4.35 | 56,401 |
| Movies that Start with F | 0 | - | 4.13 | 68,782 |
| Music by Letter - F | 0 | - | 4.48 | 26,953 |
| Music by Letter - A | 0 | - | 4.61 | 31,315 |
| Brand Logos That Start With B | 0 | - | 4.38 | 59,734 |
| Brand Logos That Start With D | 0 | - | 4.37 | 61,250 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,446 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,821 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,297 |
| Influential Women in History | 0 | - | 4.42 | 35,440 |
| Metals of Antiquity | 0 | - | 4.94 | 93,226 |
| Cradles of Civilization | 0 | - | 4.46 | 39,502 |
| Materials From History #1 | 0 | - | 4.56 | 51,419 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,522 |
| History: What Came First? #1 | 0 | - | 4.87 | 104,975 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 706,253 |
| WWI... or WWII? | 0 | - | 4.85 | 141,698 |
| Oldest Things | 0 | - | 3.92 | 65,638 |
| Famous Homes - Who Lived There? | 0 | - | 4.09 | 26,807 |
| Biggest Nations and Empires Ever | 0 | - | 4.52 | 145,649 |
| Famous Explorers | 0 | - | 4.58 | 36,101 |
| Famous Empires by Description | 0 | - | 4.73 | 118,270 |
| Answers by Time Period | 0 | - | 4.64 | 55,475 |
| Famous Firsts #3 - The United States | 0 | - | 4.19 | 14,618 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 70,125 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 156,637 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 67,033 |
| Middle East A-Z | 0 | - | 4.47 | 45,948 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,274 |
| Google What's the Difference? - History | 0 | - | 4.20 | 46,173 |
| Notable People of WWII | 0 | - | 4.53 | 85,544 |
| WWII Trivia #2 | 0 | - | 4.52 | 103,816 |
| World War I Quiz | 0 | - | 4.78 | 101,082 |
| WWI A-Z | 0 | - | 4.50 | 38,228 |
| Most Important People in History | 0 | - | 3.98 | 50,597 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 90,270 |
| Star Wars A-Z | 0 | - | 4.46 | 87,908 |
| Monarchies of the World | 0 | - | 4.94 | 167,718 |
