| History by Letter - A | 0 | - | 4.51 | 152,691 |
| History by Letter - B | 0 | - | 4.45 | 171,928 |
| History by Letter - C | 0 | - | 4.70 | 171,158 |
| History by Letter - E | 0 | - | 4.51 | 140,402 |
| History by Letter - G | 0 | - | 4.46 | 121,910 |
| History by Letter - H | 0 | - | 4.45 | 136,373 |
| History by Letter - J | 0 | - | 4.51 | 153,821 |
| History by Letter - N | 0 | - | 4.45 | 103,898 |
| History by Letter - S | 0 | - | 4.47 | 94,245 |
| History by Letter - W | 0 | - | 4.45 | 109,177 |
| History by Letter - M | 0 | - | 4.54 | 119,699 |
| History by Letter - K | 0 | - | 4.50 | 101,222 |
| History by Letter - L | 0 | - | 4.50 | 111,944 |
| History by Letter - I | 0 | - | 4.46 | 104,074 |
| History by Letter - D | 0 | - | 4.39 | 137,380 |
| History by Letter - F | 0 | - | 4.18 | 114,086 |
| History by Letter - O | 0 | - | 4.32 | 99,391 |
| History by Letter - P | 0 | - | 4.39 | 107,732 |
| History by Letter - Q | 0 | - | 4.34 | 80,243 |
| History by Letter - R | 0 | - | 4.26 | 122,054 |
| History by Letter - T | 0 | - | 4.39 | 105,173 |
| History by Letter - U | 0 | - | 4.19 | 100,692 |
| History by Letter - V | 0 | - | 4.27 | 80,674 |
| History by Letter - Y | 0 | - | 4.27 | 87,185 |
| History by Letter - Z | 0 | - | 4.19 | 76,963 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,205 |
| Empires A-Z | 0 | - | 4.51 | 45,066 |
| Same Start and End Letter - History #1 | 0 | - | 4.17 | 24,720 |
| Same Start and End Letter - History #2 | 0 | - | 4.13 | 25,629 |
| Countries that Start with a Vowel | 0 | - | 4.99 | 129,816 |
| Geography by Letter - T | 0 | - | 4.84 | 153,496 |
| People in History A-Z #1 | 0 | - | 4.61 | 98,893 |
| People in History A-Z #2 | 0 | - | 4.47 | 55,019 |
| People in History A-Z #3 | 0 | - | 4.44 | 46,116 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.89 | 81,946 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 107,648 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 153,137 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 194,918 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 169,805 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 191,597 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 300,112 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 179,898 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,553 |
| 20th Century A-Z | 0 | - | 4.50 | 53,542 |
| 19th Century A-Z | 0 | - | 4.77 | 47,127 |
| 18th Century A-Z | 0 | - | 4.54 | 43,007 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 73,912 |
| Countries That Were Invaded | 0 | - | 4.55 | 97,258 |
| People in History A-Z #5 | 0 | - | 4.09 | 31,902 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 236,100 |
| Name an Official Language A-Z | 0 | - | 4.91 | 175,578 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,335 |
| Territory Changes in World War I | 0 | - | 4.87 | 46,598 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,110 |
| People Depicted in Paintings | 0 | - | 4.54 | 44,552 |
| 16th Century A-Z | 0 | - | 4.58 | 24,757 |
| 15th Century A-Z | 0 | - | 4.49 | 23,806 |
| 14th Century A-Z | 0 | - | 4.41 | 24,218 |
| 17th Century A-Z | 0 | - | 4.78 | 34,503 |
| NATO Military Alphabet | 0 | - | 4.98 | 557,683 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.81 | 800,847 |
| Religion A-Z #2 | 0 | - | 4.41 | 36,955 |
| Geography by Letter - A | 0 | - | 4.74 | 211,276 |
| Geography by Letter - B | 0 | - | 4.56 | 184,329 |
| Geography by Letter - H | 0 | - | 4.69 | 150,093 |
| Geography by Letter - C | 0 | - | 4.47 | 158,443 |
| Geography by Letter - D | 0 | - | 4.50 | 150,295 |
| Geography by Letter - E | 0 | - | 4.42 | 147,385 |
| Geography by Letter - I | 0 | - | 4.42 | 121,827 |
| Geography by Letter - K | 0 | - | 4.53 | 117,934 |
| Geography by Letter - L | 0 | - | 4.43 | 148,302 |
| Geography by Letter - M | 0 | - | 4.49 | 118,453 |
| Geography by Letter - N | 0 | - | 4.51 | 126,856 |
| Geography by Letter - P | 0 | - | 4.47 | 175,820 |
| Geography by Letter - R | 0 | - | 4.43 | 131,373 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 140,323 |
| Geography by Letter - U | 0 | - | 4.53 | 142,809 |
| Asian Geography By Letter - K | 0 | - | 4.74 | 58,090 |
| Geography Containing the Letter X | 0 | - | 4.42 | 34,591 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,254 |
| Geography A-Z #2 | 0 | - | 4.46 | 52,837 |
| Geography A-Z #5 | 0 | - | 4.47 | 37,307 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,503 |
| Movies that Start with G | 0 | - | 4.49 | 68,449 |
| Movies that Start with I | 0 | - | 4.41 | 65,090 |
| Brand Logos That Start with A | 0 | - | 4.52 | 69,954 |
| Brand Logos That Start With M | 0 | - | 4.45 | 62,419 |
| WWII A-Z #1 | 0 | - | 4.78 | 102,786 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,554 |
| Famous Battles Quiz | 0 | - | 4.21 | 48,941 |
| Name the War | 0 | - | 4.37 | 201,356 |
| Famous U.S. Generals | 0 | - | 4.27 | 38,497 |
| Famous Firsts #1 | 0 | - | 4.40 | 68,988 |
| Famous Families #1 | 0 | - | 4.20 | 83,540 |
| Names for Warriors | 0 | - | 4.40 | 36,890 |
| Famous Firsts #2 | 0 | - | 4.01 | 80,979 |
| People in History A-Z #4 | 0 | - | 4.10 | 22,996 |
| Former Countries by Territory Map | 0 | - | 4.96 | 102,412 |
| Empires by Maps | 0 | - | 4.98 | 119,773 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,862 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,078 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,661 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,542 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,297 |
| The 15th Century | 0 | - | 4.43 | 51,178 |
| The 14th Century | 0 | - | 4.55 | 49,272 |
| The 13th Century | 0 | - | 4.48 | 43,245 |
| The 11th and 12th Century | 0 | - | 4.53 | 56,068 |
| Military History A-Z | 0 | - | 4.20 | 21,120 |
| Ye Olde Professions | 0 | - | 4.67 | 156,263 |
| People in History by Wikipedia Descriptions #1 | 0 | - | 4.42 | 44,322 |
| People in History by Wikipedia Descriptions #2 | 0 | - | 4.42 | 39,438 |
| People in History by Wikipedia Descriptions #3 | 0 | - | 4.50 | 36,658 |
| Countries by Military Spending | 0 | - | 4.93 | 177,198 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,312,500 |
| Classic Novels by Plot #2 | 0 | - | 4.87 | 37,825 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 120,286 |
| Animals that Start with L | 0 | - | 4.47 | 101,748 |
| Animals that Start with P | 0 | - | 4.45 | 85,990 |
| Animals that Start with S | 0 | - | 4.49 | 87,191 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 90,164 |
| Geography by Letter on the World Map - C | 0 | - | 4.78 | 117,231 |
| World Cities A-Z by Clue #1 | 0 | - | 4.50 | 67,770 |
| Islands A-Z | 0 | - | 4.46 | 117,305 |
| Human Body A-Z | 0 | - | 4.51 | 128,972 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 35,326 |
| Animals A-Z #1 | 0 | - | 4.41 | 93,123 |
| Africa A-Z | 0 | - | 4.57 | 46,546 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.68 | 57,478 |
| Ethnic Groups A-Z | 0 | - | 4.50 | 42,206 |
| Metals of Antiquity | 0 | - | 4.94 | 93,234 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,529 |
| Space Exploration Trivia | 0 | - | 4.38 | 35,304 |
| WWI... or WWII? | 0 | - | 4.85 | 141,720 |
| Oldest Things | 0 | - | 3.92 | 65,638 |
| Famous Homes - Who Lived There? | 0 | - | 4.09 | 26,808 |
| Famous Firsts #3 - The United States | 0 | - | 4.19 | 14,620 |
| Famous Generals - Non U.S. | 0 | - | 4.59 | 15,102 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 70,131 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 156,649 |
| Disney A-Z | 0 | - | 4.37 | 86,911 |
| Literature by Letter - A | 0 | - | 4.23 | 31,866 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,123 |
| Companies A-Z | 0 | - | 4.30 | 42,672 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 67,034 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,587 |
| Geography by Letter - G | 0 | - | 4.35 | 126,101 |
| Geography by Letter - F | 0 | - | 4.27 | 137,668 |
| Geography by Letter - J | 0 | - | 4.34 | 122,732 |
| Geography by Letter - O | 0 | - | 4.37 | 129,572 |
| Geography by Letter - V | 0 | - | 4.39 | 121,533 |
| Geography by Letter - W | 0 | - | 4.39 | 114,682 |
| Geography by Letter - Y | 0 | - | 4.39 | 111,167 |
| Geography by Letter - Z | 0 | - | 4.11 | 81,490 |
| Geography by Letter - Q | 0 | - | 4.38 | 69,333 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.15 | 35,216 |
| Video Games A-Z | 0 | - | 4.08 | 38,892 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,195 |
| Middle East A-Z | 0 | - | 4.47 | 45,949 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,278 |
| Movies that Start with A | 0 | - | 4.13 | 61,805 |
| Movies that Start with C | 0 | - | 4.30 | 61,765 |
| Movies that Start with B | 0 | - | 4.36 | 85,122 |
| Movies that Start with D | 0 | - | 4.34 | 68,372 |
| Movies that Start with E | 0 | - | 4.13 | 68,305 |
| Movies that Start with J | 0 | - | 4.18 | 76,085 |
| Movies that Start with L | 0 | - | 4.16 | 60,359 |
| Movies that Start with M | 0 | - | 4.28 | 48,176 |
| Movies that Start with N | 0 | - | 4.02 | 41,213 |
| Movies that Start with P | 0 | - | 4.25 | 54,112 |
| Movies that Start with R | 0 | - | 4.17 | 46,584 |
| Movies that Start with W | 0 | - | 4.07 | 44,223 |
| Movies that Start with T | 0 | - | 4.34 | 49,240 |
| Movies that Start with S | 0 | - | 4.35 | 56,406 |
| Movies that Start with F | 0 | - | 4.13 | 68,782 |
| Music by Letter - F | 0 | - | 4.48 | 26,954 |
| Music by Letter - A | 0 | - | 4.61 | 31,315 |
| Brand Logos That Start With B | 0 | - | 4.38 | 59,747 |
| Brand Logos That Start With D | 0 | - | 4.37 | 61,263 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,449 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,832 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,308 |
| Influential Women in History | 0 | - | 4.42 | 35,444 |
| Google What's the Difference? - History | 0 | - | 4.20 | 46,176 |
| Cradles of Civilization | 0 | - | 4.46 | 39,502 |
| Materials From History #1 | 0 | - | 4.56 | 51,427 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 706,299 |
| Notable People of WWII | 0 | - | 4.53 | 85,548 |
| WWII Trivia #2 | 0 | - | 4.52 | 103,819 |
| World War I Quiz | 0 | - | 4.78 | 101,086 |
| WWI A-Z | 0 | - | 4.50 | 38,231 |
| Biggest Nations and Empires Ever | 0 | - | 4.52 | 145,659 |
| Famous Explorers | 0 | - | 4.58 | 36,102 |
| Famous Empires by Description | 0 | - | 4.73 | 118,278 |
| Answers by Time Period | 0 | - | 4.64 | 55,483 |
| History of France | 0 | - | 4.59 | 56,749 |
| Star Wars A-Z | 0 | - | 4.46 | 87,922 |
| Musical Acts by Letter - J | 0 | - | 4.17 | 77,369 |
| Musical Acts by Letter - M | 0 | - | 4.14 | 93,225 |
| Musical Acts by Letter - N | 0 | - | 4.17 | 68,250 |
