| History by Letter - A | 0 | - | 4.51 | 152,167 |
| History by Letter - B | 0 | - | 4.45 | 171,322 |
| History by Letter - C | 0 | - | 4.70 | 170,380 |
| History by Letter - E | 0 | - | 4.51 | 139,902 |
| History by Letter - G | 0 | - | 4.45 | 121,490 |
| History by Letter - H | 0 | - | 4.45 | 135,919 |
| History by Letter - J | 0 | - | 4.51 | 153,292 |
| History by Letter - N | 0 | - | 4.44 | 103,425 |
| History by Letter - S | 0 | - | 4.47 | 93,708 |
| History by Letter - W | 0 | - | 4.45 | 108,778 |
| History by Letter - M | 0 | - | 4.54 | 119,138 |
| History by Letter - K | 0 | - | 4.50 | 100,857 |
| History by Letter - L | 0 | - | 4.49 | 111,546 |
| History by Letter - I | 0 | - | 4.46 | 103,714 |
| History by Letter - D | 0 | - | 4.39 | 136,928 |
| History by Letter - F | 0 | - | 4.18 | 113,727 |
| History by Letter - O | 0 | - | 4.31 | 99,082 |
| History by Letter - P | 0 | - | 4.38 | 107,383 |
| History by Letter - Q | 0 | - | 4.34 | 79,998 |
| History by Letter - R | 0 | - | 4.26 | 121,696 |
| History by Letter - T | 0 | - | 4.39 | 104,903 |
| History by Letter - U | 0 | - | 4.19 | 100,274 |
| History by Letter - V | 0 | - | 4.27 | 80,390 |
| History by Letter - Y | 0 | - | 4.27 | 86,951 |
| History by Letter - Z | 0 | - | 4.18 | 76,756 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,123 |
| Empires A-Z | 0 | - | 4.51 | 44,848 |
| Same Start and End Letter - History #1 | 0 | - | 4.16 | 24,671 |
| Same Start and End Letter - History #2 | 0 | - | 4.13 | 25,549 |
| Countries that Start with a Vowel | 0 | - | 4.98 | 128,777 |
| Geography by Letter - T | 0 | - | 4.84 | 152,521 |
| People in History A-Z #1 | 0 | - | 4.63 | 98,636 |
| People in History A-Z #2 | 0 | - | 4.47 | 54,841 |
| People in History A-Z #3 | 0 | - | 4.44 | 45,972 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.89 | 81,318 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 106,975 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 152,776 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 194,020 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 169,432 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 190,841 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 299,451 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 179,433 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,200 |
| 20th Century A-Z | 0 | - | 4.50 | 53,188 |
| 19th Century A-Z | 0 | - | 4.77 | 46,752 |
| 18th Century A-Z | 0 | - | 4.54 | 42,658 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 73,588 |
| Countries That Were Invaded | 0 | - | 4.54 | 96,947 |
| People in History A-Z #5 | 0 | - | 4.09 | 31,811 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 234,968 |
| Name an Official Language A-Z | 0 | - | 4.91 | 174,853 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,127 |
| Territory Changes in World War I | 0 | - | 4.86 | 46,254 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 124,933 |
| People Depicted in Paintings | 0 | - | 4.54 | 44,396 |
| 16th Century A-Z | 0 | - | 4.58 | 24,391 |
| 15th Century A-Z | 0 | - | 4.49 | 23,401 |
| 14th Century A-Z | 0 | - | 4.41 | 23,767 |
| 17th Century A-Z | 0 | - | 4.78 | 34,178 |
| NATO Military Alphabet | 0 | - | 4.98 | 554,643 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.81 | 798,208 |
| Geography by Letter - A | 0 | - | 4.74 | 210,199 |
| Geography by Letter - B | 0 | - | 4.56 | 183,355 |
| Geography by Letter - H | 0 | - | 4.69 | 149,341 |
| Geography by Letter - C | 0 | - | 4.47 | 157,635 |
| Geography by Letter - D | 0 | - | 4.50 | 149,566 |
| Geography by Letter - E | 0 | - | 4.42 | 146,707 |
| Geography by Letter - I | 0 | - | 4.42 | 121,258 |
| Geography by Letter - K | 0 | - | 4.53 | 117,382 |
| Geography by Letter - L | 0 | - | 4.43 | 147,676 |
| Geography by Letter - M | 0 | - | 4.49 | 117,690 |
| Geography by Letter - N | 0 | - | 4.51 | 126,300 |
| Geography by Letter - P | 0 | - | 4.47 | 175,222 |
| Geography by Letter - R | 0 | - | 4.43 | 130,416 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 139,673 |
| Geography by Letter - U | 0 | - | 4.54 | 142,145 |
| Asian Geography By Letter - K | 0 | - | 4.74 | 57,993 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,088 |
| Geography A-Z #2 | 0 | - | 4.46 | 52,701 |
| Geography A-Z #5 | 0 | - | 4.47 | 37,198 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,350 |
| Movies that Start with G | 0 | - | 4.48 | 68,264 |
| Movies that Start with I | 0 | - | 4.41 | 64,909 |
| Brand Logos That Start with A | 0 | - | 4.51 | 69,336 |
| Brand Logos That Start With B | 0 | - | 4.41 | 59,254 |
| Brand Logos That Start With M | 0 | - | 4.45 | 61,830 |
| WWII A-Z #1 | 0 | - | 4.80 | 102,428 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,350 |
| Famous Battles Quiz | 0 | - | 4.21 | 48,821 |
| Name the War | 0 | - | 4.37 | 200,823 |
| Famous U.S. Generals | 0 | - | 4.27 | 38,414 |
| Famous Firsts #1 | 0 | - | 4.40 | 68,832 |
| Famous Families #1 | 0 | - | 4.20 | 83,411 |
| Names for Warriors | 0 | - | 4.40 | 36,799 |
| People in History A-Z #4 | 0 | - | 4.10 | 22,928 |
| Former Countries by Territory Map | 0 | - | 4.96 | 101,669 |
| Empires by Maps | 0 | - | 4.98 | 118,640 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,512 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,715 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,544 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,271 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,110 |
| The 15th Century | 0 | - | 4.43 | 51,074 |
| The 14th Century | 0 | - | 4.55 | 49,182 |
| The 13th Century | 0 | - | 4.48 | 43,160 |
| The 11th and 12th Century | 0 | - | 4.53 | 55,961 |
| Military History A-Z | 0 | - | 4.20 | 21,047 |
| Ye Olde Professions | 0 | - | 4.67 | 155,780 |
| People in History by Wikipedia Descriptions #1 | 0 | - | 4.42 | 44,219 |
| People in History by Wikipedia Descriptions #2 | 0 | - | 4.42 | 39,344 |
| People in History by Wikipedia Descriptions #3 | 0 | - | 4.50 | 36,598 |
| Countries by Military Spending | 0 | - | 4.93 | 176,494 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,305,727 |
| Classic Novels by Plot #2 | 0 | - | 4.87 | 37,553 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 119,763 |
| Animals that Start with L | 0 | - | 4.47 | 101,336 |
| Animals that Start with P | 0 | - | 4.45 | 85,717 |
| Animals that Start with S | 0 | - | 4.49 | 86,906 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 89,679 |
| Geography by Letter on the World Map - C | 0 | - | 4.78 | 116,660 |
| World Cities A-Z by Clue #1 | 0 | - | 4.49 | 66,293 |
| Islands A-Z | 0 | - | 4.46 | 116,817 |
| Human Body A-Z | 0 | - | 4.51 | 128,484 |
| Asian Cities A-Z by Clue | 0 | - | 4.51 | 34,429 |
| Animals A-Z #1 | 0 | - | 4.41 | 92,840 |
| Africa A-Z | 0 | - | 4.57 | 46,390 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.60 | 47,546 |
| Ethnic Groups A-Z | 0 | - | 4.50 | 42,063 |
| Metals of Antiquity | 0 | - | 4.94 | 92,949 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,214 |
| Space Exploration Trivia | 0 | - | 4.38 | 35,195 |
| WWI... or WWII? | 0 | - | 4.85 | 140,749 |
| Oldest Things | 0 | - | 3.92 | 65,595 |
| Famous Homes - Who Lived There? | 0 | - | 4.09 | 26,768 |
| Famous Firsts #2 | 0 | - | 4.00 | 80,853 |
| Famous Firsts #3 - The United States | 0 | - | 4.17 | 14,494 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 69,686 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 155,888 |
| Disney A-Z | 0 | - | 4.37 | 86,578 |
| Literature by Letter - A | 0 | - | 4.23 | 31,769 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,073 |
| Companies A-Z | 0 | - | 4.30 | 42,615 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 66,870 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,494 |
| Religion A-Z #2 | 0 | - | 4.40 | 36,828 |
| Geography by Letter - G | 0 | - | 4.35 | 125,520 |
| Geography by Letter - F | 0 | - | 4.27 | 137,103 |
| Geography by Letter - J | 0 | - | 4.34 | 122,204 |
| Geography by Letter - O | 0 | - | 4.37 | 129,043 |
| Geography by Letter - V | 0 | - | 4.39 | 120,937 |
| Geography by Letter - W | 0 | - | 4.39 | 114,240 |
| Geography by Letter - Y | 0 | - | 4.39 | 110,709 |
| Geography by Letter - Z | 0 | - | 4.11 | 81,073 |
| Geography by Letter - Q | 0 | - | 4.38 | 68,917 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.18 | 35,123 |
| Video Games A-Z | 0 | - | 4.08 | 38,718 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,085 |
| Middle East A-Z | 0 | - | 4.47 | 45,813 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,163 |
| Movies that Start with A | 0 | - | 4.13 | 61,651 |
| Movies that Start with C | 0 | - | 4.30 | 61,600 |
| Movies that Start with B | 0 | - | 4.35 | 84,930 |
| Movies that Start with D | 0 | - | 4.34 | 68,234 |
| Movies that Start with E | 0 | - | 4.13 | 68,178 |
| Movies that Start with J | 0 | - | 4.18 | 75,928 |
| Movies that Start with L | 0 | - | 4.16 | 60,232 |
| Movies that Start with M | 0 | - | 4.28 | 48,073 |
| Movies that Start with N | 0 | - | 4.02 | 41,115 |
| Movies that Start with P | 0 | - | 4.25 | 54,007 |
| Movies that Start with R | 0 | - | 4.17 | 46,457 |
| Movies that Start with W | 0 | - | 4.07 | 44,141 |
| Movies that Start with T | 0 | - | 4.33 | 49,126 |
| Movies that Start with S | 0 | - | 4.35 | 56,273 |
| Movies that Start with F | 0 | - | 4.13 | 68,650 |
| Music by Letter - F | 0 | - | 4.48 | 26,840 |
| Music by Letter - A | 0 | - | 4.61 | 31,209 |
| Brand Logos That Start With D | 0 | - | 4.37 | 60,741 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,060 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,250 |
| Brand Logos That Start With S | 0 | - | 4.37 | 56,781 |
| Influential Women in History | 0 | - | 4.42 | 35,099 |
| Google What's the Difference? - History | 0 | - | 4.20 | 46,038 |
| Cradles of Civilization | 0 | - | 4.46 | 39,160 |
| Materials From History #1 | 0 | - | 4.56 | 50,804 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 704,569 |
| Notable People of WWII | 0 | - | 4.53 | 85,334 |
| WWII Trivia #2 | 0 | - | 4.52 | 103,454 |
| World War I Quiz | 0 | - | 4.78 | 100,299 |
| WWI A-Z | 0 | - | 4.50 | 38,039 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 145,264 |
| Famous Explorers | 0 | - | 4.58 | 35,979 |
| Famous Empires by Description | 0 | - | 4.73 | 117,962 |
| Answers by Time Period | 0 | - | 4.63 | 55,297 |
| History of France | 0 | - | 4.59 | 56,155 |
| Star Wars A-Z | 0 | - | 4.46 | 87,212 |
| Musical Acts by Letter - J | 0 | - | 4.20 | 77,199 |
| Musical Acts by Letter - M | 0 | - | 4.14 | 92,988 |
| Musical Acts by Letter - N | 0 | - | 4.17 | 68,093 |
| Musical Acts by Letter - P | 0 | - | 4.24 | 65,181 |
| Musical Acts by Letter - R | 0 | - | 4.33 | 83,005 |
