| History by Letter - A | 0 | - | 4.51 | 152,145 |
| History by Letter - B | 0 | - | 4.45 | 171,293 |
| History by Letter - C | 0 | - | 4.69 | 170,360 |
| History by Letter - E | 0 | - | 4.51 | 139,880 |
| History by Letter - G | 0 | - | 4.45 | 121,475 |
| History by Letter - H | 0 | - | 4.45 | 135,898 |
| History by Letter - J | 0 | - | 4.51 | 153,266 |
| History by Letter - N | 0 | - | 4.44 | 103,403 |
| History by Letter - S | 0 | - | 4.47 | 93,693 |
| History by Letter - W | 0 | - | 4.45 | 108,760 |
| History by Letter - M | 0 | - | 4.54 | 119,120 |
| History by Letter - K | 0 | - | 4.50 | 100,840 |
| History by Letter - L | 0 | - | 4.49 | 111,528 |
| History by Letter - I | 0 | - | 4.46 | 103,700 |
| History by Letter - D | 0 | - | 4.39 | 136,907 |
| History by Letter - F | 0 | - | 4.18 | 113,710 |
| History by Letter - O | 0 | - | 4.31 | 99,065 |
| History by Letter - P | 0 | - | 4.38 | 107,363 |
| History by Letter - Q | 0 | - | 4.34 | 79,988 |
| History by Letter - R | 0 | - | 4.26 | 121,674 |
| History by Letter - T | 0 | - | 4.39 | 104,894 |
| History by Letter - U | 0 | - | 4.19 | 100,264 |
| History by Letter - V | 0 | - | 4.27 | 80,380 |
| History by Letter - Y | 0 | - | 4.27 | 86,942 |
| History by Letter - Z | 0 | - | 4.18 | 76,748 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,122 |
| Empires A-Z | 0 | - | 4.51 | 44,840 |
| Same Start and End Letter - History #1 | 0 | - | 4.16 | 24,667 |
| Same Start and End Letter - History #2 | 0 | - | 4.13 | 25,548 |
| Countries that Start with a Vowel | 0 | - | 4.99 | 128,744 |
| Geography by Letter - T | 0 | - | 4.84 | 152,477 |
| People in History A-Z #1 | 0 | - | 4.63 | 98,625 |
| People in History A-Z #2 | 0 | - | 4.47 | 54,831 |
| People in History A-Z #3 | 0 | - | 4.44 | 45,969 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.89 | 81,299 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 106,946 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 152,762 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 193,994 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 169,416 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 190,813 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 299,430 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 179,416 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,183 |
| 20th Century A-Z | 0 | - | 4.50 | 53,176 |
| 19th Century A-Z | 0 | - | 4.77 | 46,746 |
| 18th Century A-Z | 0 | - | 4.54 | 42,654 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 73,577 |
| Countries That Were Invaded | 0 | - | 4.54 | 96,928 |
| People in History A-Z #5 | 0 | - | 4.09 | 31,807 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 234,922 |
| Name an Official Language A-Z | 0 | - | 4.91 | 174,824 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,123 |
| Territory Changes in World War I | 0 | - | 4.86 | 46,242 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 124,922 |
| People Depicted in Paintings | 0 | - | 4.54 | 44,392 |
| 16th Century A-Z | 0 | - | 4.58 | 24,387 |
| 15th Century A-Z | 0 | - | 4.49 | 23,401 |
| 17th Century A-Z | 0 | - | 4.78 | 34,176 |
| NATO Military Alphabet | 0 | - | 4.98 | 554,493 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.81 | 798,045 |
| Geography by Letter - A | 0 | - | 4.74 | 210,159 |
| Geography by Letter - B | 0 | - | 4.56 | 183,315 |
| Geography by Letter - H | 0 | - | 4.69 | 149,321 |
| Geography by Letter - C | 0 | - | 4.47 | 157,603 |
| Geography by Letter - D | 0 | - | 4.50 | 149,536 |
| Geography by Letter - E | 0 | - | 4.42 | 146,683 |
| Geography by Letter - I | 0 | - | 4.42 | 121,234 |
| Geography by Letter - K | 0 | - | 4.53 | 117,363 |
| Geography by Letter - L | 0 | - | 4.43 | 147,657 |
| Geography by Letter - M | 0 | - | 4.49 | 117,663 |
| Geography by Letter - N | 0 | - | 4.51 | 126,271 |
| Geography by Letter - P | 0 | - | 4.47 | 175,191 |
| Geography by Letter - R | 0 | - | 4.43 | 130,389 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 139,651 |
| Geography by Letter - U | 0 | - | 4.54 | 142,108 |
| Asian Geography By Letter - K | 0 | - | 4.74 | 57,990 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,081 |
| Geography A-Z #2 | 0 | - | 4.46 | 52,695 |
| Geography A-Z #5 | 0 | - | 4.47 | 37,193 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,342 |
| Movies that Start with G | 0 | - | 4.48 | 68,255 |
| Movies that Start with I | 0 | - | 4.41 | 64,900 |
| Brand Logos That Start with A | 0 | - | 4.51 | 69,306 |
| Brand Logos That Start With B | 0 | - | 4.41 | 59,223 |
| Brand Logos That Start With M | 0 | - | 4.45 | 61,804 |
| WWII A-Z #1 | 0 | - | 4.80 | 102,412 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,344 |
| Famous Battles Quiz | 0 | - | 4.21 | 48,816 |
| Name the War | 0 | - | 4.37 | 200,797 |
| Famous U.S. Generals | 0 | - | 4.27 | 38,413 |
| Famous Firsts #1 | 0 | - | 4.40 | 68,829 |
| Famous Families #1 | 0 | - | 4.20 | 83,408 |
| Names for Warriors | 0 | - | 4.40 | 36,794 |
| People in History A-Z #4 | 0 | - | 4.10 | 22,927 |
| Former Countries by Territory Map | 0 | - | 4.96 | 101,623 |
| Empires by Maps | 0 | - | 4.98 | 118,584 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,493 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,689 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,538 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,250 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,102 |
| The 15th Century | 0 | - | 4.43 | 51,071 |
| The 14th Century | 0 | - | 4.55 | 49,179 |
| The 13th Century | 0 | - | 4.48 | 43,159 |
| The 11th and 12th Century | 0 | - | 4.53 | 55,960 |
| 14th Century A-Z | 0 | - | 4.41 | 23,758 |
| Military History A-Z | 0 | - | 4.20 | 21,043 |
| Ye Olde Professions | 0 | - | 4.67 | 155,761 |
| People in History by Wikipedia Descriptions #1 | 0 | - | 4.42 | 44,215 |
| People in History by Wikipedia Descriptions #2 | 0 | - | 4.42 | 39,339 |
| People in History by Wikipedia Descriptions #3 | 0 | - | 4.50 | 36,594 |
| Countries by Military Spending | 0 | - | 4.93 | 176,447 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,305,388 |
| Classic Novels by Plot #2 | 0 | - | 4.87 | 37,539 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 119,729 |
| Animals that Start with L | 0 | - | 4.47 | 101,312 |
| Animals that Start with P | 0 | - | 4.45 | 85,693 |
| Animals that Start with S | 0 | - | 4.49 | 86,876 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 89,658 |
| Geography by Letter on the World Map - C | 0 | - | 4.78 | 116,636 |
| World Cities A-Z by Clue #1 | 0 | - | 4.49 | 66,176 |
| Islands A-Z | 0 | - | 4.46 | 116,795 |
| World Cities A-Z by Clue #2 | 0 | - | 4.40 | 57,639 |
| Human Body A-Z | 0 | - | 4.51 | 128,453 |
| Asian Cities A-Z by Clue | 0 | - | 4.51 | 34,348 |
| Animals A-Z #1 | 0 | - | 4.41 | 92,828 |
| Africa A-Z | 0 | - | 4.57 | 46,384 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.60 | 47,528 |
| Ethnic Groups A-Z | 0 | - | 4.50 | 42,055 |
| Metals of Antiquity | 0 | - | 4.94 | 92,937 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,195 |
| Space Exploration Trivia | 0 | - | 4.38 | 35,190 |
| WWI... or WWII? | 0 | - | 4.85 | 140,712 |
| Oldest Things | 0 | - | 3.92 | 65,595 |
| Famous Homes - Who Lived There? | 0 | - | 4.09 | 26,768 |
| Famous Firsts #2 | 0 | - | 4.00 | 80,848 |
| Famous Firsts #3 - The United States | 0 | - | 4.17 | 14,492 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 69,676 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 155,854 |
| Disney A-Z | 0 | - | 4.37 | 86,550 |
| Literature by Letter - A | 0 | - | 4.23 | 31,766 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,071 |
| Companies A-Z | 0 | - | 4.30 | 42,612 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 66,858 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,491 |
| Religion A-Z #2 | 0 | - | 4.40 | 36,820 |
| Geography by Letter - G | 0 | - | 4.35 | 125,501 |
| Geography by Letter - F | 0 | - | 4.27 | 137,078 |
| Geography by Letter - J | 0 | - | 4.34 | 122,188 |
| Geography by Letter - O | 0 | - | 4.37 | 129,020 |
| Geography by Letter - V | 0 | - | 4.39 | 120,920 |
| Geography by Letter - W | 0 | - | 4.39 | 114,222 |
| Geography by Letter - Y | 0 | - | 4.39 | 110,688 |
| Geography by Letter - Z | 0 | - | 4.11 | 81,059 |
| Geography by Letter - Q | 0 | - | 4.38 | 68,898 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.18 | 35,116 |
| Video Games A-Z | 0 | - | 4.08 | 38,712 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,082 |
| Middle East A-Z | 0 | - | 4.47 | 45,801 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,159 |
| Movies that Start with A | 0 | - | 4.13 | 61,647 |
| Movies that Start with C | 0 | - | 4.30 | 61,589 |
| Movies that Start with B | 0 | - | 4.35 | 84,922 |
| Movies that Start with D | 0 | - | 4.34 | 68,226 |
| Movies that Start with E | 0 | - | 4.13 | 68,174 |
| Movies that Start with J | 0 | - | 4.18 | 75,925 |
| Movies that Start with L | 0 | - | 4.16 | 60,228 |
| Movies that Start with M | 0 | - | 4.28 | 48,065 |
| Movies that Start with N | 0 | - | 4.02 | 41,108 |
| Movies that Start with P | 0 | - | 4.25 | 54,003 |
| Movies that Start with R | 0 | - | 4.17 | 46,450 |
| Movies that Start with W | 0 | - | 4.07 | 44,135 |
| Movies that Start with T | 0 | - | 4.33 | 49,121 |
| Movies that Start with S | 0 | - | 4.35 | 56,271 |
| Movies that Start with F | 0 | - | 4.13 | 68,646 |
| Music by Letter - F | 0 | - | 4.48 | 26,835 |
| Music by Letter - A | 0 | - | 4.61 | 31,203 |
| Brand Logos That Start With D | 0 | - | 4.37 | 60,709 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,041 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,222 |
| Brand Logos That Start With S | 0 | - | 4.37 | 56,753 |
| Influential Women in History | 0 | - | 4.42 | 35,057 |
| Google What's the Difference? - History | 0 | - | 4.20 | 46,033 |
| Cradles of Civilization | 0 | - | 4.46 | 39,121 |
| Materials From History #1 | 0 | - | 4.56 | 50,639 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 704,486 |
| Notable People of WWII | 0 | - | 4.53 | 85,328 |
| WWII Trivia #2 | 0 | - | 4.52 | 103,443 |
| World War I Quiz | 0 | - | 4.78 | 100,289 |
| WWI A-Z | 0 | - | 4.50 | 38,035 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 145,235 |
| Famous Explorers | 0 | - | 4.58 | 35,968 |
| Famous Empires by Description | 0 | - | 4.70 | 117,866 |
| Answers by Time Period | 0 | - | 4.63 | 55,285 |
| History of France | 0 | - | 4.59 | 56,113 |
| Star Wars A-Z | 0 | - | 4.46 | 87,200 |
| Musical Acts by Letter - J | 0 | - | 4.20 | 77,186 |
| Musical Acts by Letter - M | 0 | - | 4.14 | 92,976 |
| Musical Acts by Letter - N | 0 | - | 4.17 | 68,084 |
| Musical Acts by Letter - P | 0 | - | 4.24 | 65,161 |
