| History by Letter - B | 0 | - | 4.45 | 171,757 |
| History by Letter - C | 0 | - | 4.70 | 170,890 |
| History by Letter - G | 0 | - | 4.46 | 121,795 |
| History by Letter - H | 0 | - | 4.45 | 136,261 |
| History by Letter - J | 0 | - | 4.51 | 153,698 |
| History by Letter - N | 0 | - | 4.45 | 103,687 |
| History by Letter - S | 0 | - | 4.47 | 93,942 |
| History by Letter - W | 0 | - | 4.45 | 109,067 |
| History by Letter - M | 0 | - | 4.54 | 119,563 |
| History by Letter - K | 0 | - | 4.50 | 101,111 |
| History by Letter - L | 0 | - | 4.50 | 111,827 |
| History by Letter - I | 0 | - | 4.46 | 103,983 |
| History by Letter - D | 0 | - | 4.39 | 137,253 |
| History by Letter - F | 0 | - | 4.18 | 113,985 |
| History by Letter - O | 0 | - | 4.32 | 99,301 |
| History by Letter - P | 0 | - | 4.39 | 107,614 |
| History by Letter - Q | 0 | - | 4.34 | 80,171 |
| History by Letter - R | 0 | - | 4.26 | 121,957 |
| History by Letter - T | 0 | - | 4.39 | 105,091 |
| History by Letter - U | 0 | - | 4.19 | 100,610 |
| History by Letter - V | 0 | - | 4.27 | 80,607 |
| History by Letter - Y | 0 | - | 4.27 | 87,122 |
| History by Letter - Z | 0 | - | 4.18 | 76,900 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,190 |
| History Containing the Letter X | 0 | - | 4.47 | 26,989 |
| History Containing the Letter Z | 0 | - | 4.53 | 23,395 |
| Empires A-Z | 0 | - | 4.51 | 45,012 |
| Same Start and End Letter - History #1 | 0 | - | 4.17 | 24,707 |
| Same Start and End Letter - History #2 | 0 | - | 4.13 | 25,613 |
| History Ending in Z | 0 | - | 4.35 | 13,497 |
| Countries that Start with a Vowel | 0 | - | 4.99 | 129,624 |
| Geography by Letter - T | 0 | - | 4.84 | 153,282 |
| People in History A-Z #1 | 0 | - | 4.61 | 98,838 |
| People in History A-Z #2 | 0 | - | 4.47 | 54,969 |
| People in History A-Z #3 | 0 | - | 4.44 | 46,074 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.89 | 81,816 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 107,508 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 153,060 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 194,562 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 169,732 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 191,435 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 300,001 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 179,784 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,489 |
| 20th Century A-Z | 0 | - | 4.50 | 53,306 |
| 19th Century A-Z | 0 | - | 4.77 | 46,848 |
| 18th Century A-Z | 0 | - | 4.54 | 42,729 |
| "Second Best" History Edition | 0 | - | 4.94 | 62,494 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 73,845 |
| Countries That Were Invaded | 0 | - | 4.55 | 97,205 |
| People in History A-Z #5 | 0 | - | 4.09 | 31,881 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 235,880 |
| Name an Official Language A-Z | 0 | - | 4.91 | 175,416 |
| People Depicted in Paintings | 0 | - | 4.54 | 44,519 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,295 |
| Territory Changes in World War I | 0 | - | 4.87 | 46,525 |
| 16th Century A-Z | 0 | - | 4.58 | 24,452 |
| 15th Century A-Z | 0 | - | 4.49 | 23,447 |
| 14th Century A-Z | 0 | - | 4.41 | 23,887 |
| 17th Century A-Z | 0 | - | 4.78 | 34,242 |
| NATO Military Alphabet | 0 | - | 4.98 | 557,100 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.81 | 799,872 |
| Religion A-Z #2 | 0 | - | 4.41 | 36,929 |
| Geography by Letter - A | 0 | - | 4.74 | 211,095 |
| Geography by Letter - B | 0 | - | 4.56 | 184,155 |
| Geography by Letter - H | 0 | - | 4.69 | 149,925 |
| Geography by Letter - C | 0 | - | 4.47 | 158,289 |
| Geography by Letter - D | 0 | - | 4.50 | 150,135 |
| Geography by Letter - E | 0 | - | 4.42 | 147,235 |
| Geography by Letter - I | 0 | - | 4.42 | 121,701 |
| Geography by Letter - K | 0 | - | 4.53 | 117,821 |
| Geography by Letter - L | 0 | - | 4.43 | 148,166 |
| Geography by Letter - M | 0 | - | 4.49 | 118,315 |
| Geography by Letter - N | 0 | - | 4.51 | 126,740 |
| Geography by Letter - P | 0 | - | 4.47 | 175,674 |
| Geography by Letter - R | 0 | - | 4.43 | 130,964 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 140,176 |
| Geography by Letter - U | 0 | - | 4.53 | 142,671 |
| Asian Geography By Letter - K | 0 | - | 4.74 | 58,070 |
| Geography Containing the Letter X | 0 | - | 4.42 | 34,568 |
| Geography Containing the Letter Q | 0 | - | 4.55 | 41,521 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,227 |
| Geography A-Z #2 | 0 | - | 4.46 | 52,804 |
| Geography A-Z #5 | 0 | - | 4.47 | 37,279 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,468 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,077 |
| Movies that Start with G | 0 | - | 4.49 | 68,411 |
| Movies that Start with I | 0 | - | 4.41 | 65,062 |
| Brand Logos That Start with A | 0 | - | 4.52 | 69,842 |
| Brand Logos That Start With M | 0 | - | 4.45 | 62,292 |
| Former Countries by Territory Map | 0 | - | 4.96 | 102,274 |
| Empires by Maps | 0 | - | 4.98 | 119,535 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,489 |
| Famous Battles Quiz | 0 | - | 4.21 | 48,927 |
| Name the War | 0 | - | 4.37 | 201,256 |
| Famous U.S. Generals | 0 | - | 4.27 | 38,477 |
| Famous Firsts #1 | 0 | - | 4.40 | 68,969 |
| Famous Families #1 | 0 | - | 4.20 | 83,516 |
| Names for Warriors | 0 | - | 4.40 | 36,871 |
| Famous Firsts #2 | 0 | - | 4.01 | 80,957 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,261 |
| People in History A-Z #4 | 0 | - | 4.10 | 22,981 |
| Countries by Military Spending | 0 | - | 4.93 | 177,049 |
| Classic Novels by Plot #2 | 0 | - | 4.87 | 37,770 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 120,170 |
| Name a Minecraft Mob A-Z | 0 | - | 4.87 | 42,207 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,784 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,019 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,640 |
| WWII A-Z #1 | 0 | - | 4.78 | 102,719 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,513 |
| People in History by Wikipedia Descriptions #1 | 0 | - | 4.42 | 44,304 |
| People in History by Wikipedia Descriptions #2 | 0 | - | 4.42 | 39,419 |
| People in History by Wikipedia Descriptions #3 | 0 | - | 4.50 | 36,645 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,311,151 |
| Animals that Start with L | 0 | - | 4.47 | 101,713 |
| Animals that Start with P | 0 | - | 4.45 | 85,962 |
| Animals that Start with S | 0 | - | 4.49 | 87,156 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 90,069 |
| Geography by Letter on the World Map - C | 0 | - | 4.78 | 117,111 |
| World Cities A-Z by Clue #1 | 0 | - | 4.50 | 67,513 |
| Islands A-Z | 0 | - | 4.46 | 117,185 |
| Human Body A-Z | 0 | - | 4.51 | 128,916 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 35,236 |
| Animals A-Z #1 | 0 | - | 4.41 | 93,057 |
| Africa A-Z | 0 | - | 4.57 | 46,515 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.68 | 57,370 |
| Ethnic Groups A-Z | 0 | - | 4.50 | 42,175 |
| Space Exploration Trivia | 0 | - | 4.38 | 35,278 |
| Military History A-Z | 0 | - | 4.20 | 21,101 |
| Famous Generals - Non U.S. | 0 | - | 4.58 | 15,084 |
| Disney A-Z | 0 | - | 4.37 | 86,850 |
| Literature by Letter - A | 0 | - | 4.23 | 31,846 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,110 |
| Companies A-Z | 0 | - | 4.30 | 42,663 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,567 |
| Geography by Letter - G | 0 | - | 4.35 | 125,960 |
| Geography by Letter - F | 0 | - | 4.27 | 137,546 |
| Geography by Letter - J | 0 | - | 4.34 | 122,621 |
| Geography by Letter - O | 0 | - | 4.37 | 129,445 |
| Geography by Letter - V | 0 | - | 4.39 | 121,418 |
| Geography by Letter - W | 0 | - | 4.39 | 114,598 |
| Geography by Letter - Y | 0 | - | 4.39 | 111,061 |
| Geography by Letter - Z | 0 | - | 4.11 | 81,410 |
| Geography by Letter - Q | 0 | - | 4.38 | 69,234 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.15 | 35,198 |
| Geography Containing the Letter Z | 0 | - | 4.49 | 27,775 |
| Video Games A-Z | 0 | - | 4.08 | 38,850 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,171 |
| Movies that Start with A | 0 | - | 4.13 | 61,785 |
| Movies that Start with C | 0 | - | 4.30 | 61,738 |
| Movies that Start with B | 0 | - | 4.36 | 85,093 |
| Movies that Start with D | 0 | - | 4.34 | 68,351 |
| Movies that Start with E | 0 | - | 4.13 | 68,286 |
| Movies that Start with J | 0 | - | 4.18 | 76,066 |
| Movies that Start with L | 0 | - | 4.16 | 60,337 |
| Movies that Start with M | 0 | - | 4.28 | 48,157 |
| Movies that Start with N | 0 | - | 4.02 | 41,197 |
| Movies that Start with P | 0 | - | 4.25 | 54,091 |
| Movies that Start with R | 0 | - | 4.17 | 46,567 |
| Movies that Start with W | 0 | - | 4.07 | 44,212 |
| Movies that Start with T | 0 | - | 4.34 | 49,226 |
| Movies that Start with S | 0 | - | 4.35 | 56,385 |
| Movies that Start with F | 0 | - | 4.13 | 68,763 |
| Music by Letter - F | 0 | - | 4.48 | 26,932 |
| Music by Letter - A | 0 | - | 4.61 | 31,297 |
| Brand Logos That Start With B | 0 | - | 4.38 | 59,664 |
| Brand Logos That Start With D | 0 | - | 4.37 | 61,164 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,380 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,710 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,206 |
| Influential Women in History | 0 | - | 4.42 | 35,347 |
| Metals of Antiquity | 0 | - | 4.94 | 93,179 |
| Cradles of Civilization | 0 | - | 4.46 | 39,421 |
| Materials From History #1 | 0 | - | 4.56 | 51,368 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,467 |
| History: What Came First? #1 | 0 | - | 4.87 | 104,870 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 705,970 |
| WWI... or WWII? | 0 | - | 4.85 | 141,517 |
| Oldest Things | 0 | - | 3.92 | 65,632 |
| Famous Homes - Who Lived There? | 0 | - | 4.09 | 26,803 |
| Biggest Nations and Empires Ever | 0 | - | 4.52 | 145,577 |
| Famous Explorers | 0 | - | 4.58 | 36,068 |
| Famous Empires by Description | 0 | - | 4.73 | 118,206 |
| Answers by Time Period | 0 | - | 4.64 | 55,440 |
| Famous Firsts #3 - The United States | 0 | - | 4.19 | 14,606 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 70,079 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 156,514 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 67,002 |
| Middle East A-Z | 0 | - | 4.47 | 45,929 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,253 |
| Google What's the Difference? - History | 0 | - | 4.20 | 46,139 |
| Notable People of WWII | 0 | - | 4.53 | 85,508 |
| WWII Trivia #2 | 0 | - | 4.52 | 103,754 |
| World War I Quiz | 0 | - | 4.78 | 100,785 |
| WWI A-Z | 0 | - | 4.50 | 38,190 |
| Most Important People in History | 0 | - | 3.98 | 50,561 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 89,744 |
| Star Wars A-Z | 0 | - | 4.46 | 87,789 |
| Monarchies of the World | 0 | - | 4.94 | 167,540 |
