| History by Letter - A | 0 | - | 4.50 | 145,056 |
| History by Letter - B | 0 | - | 4.48 | 163,612 |
| History by Letter - C | 0 | - | 4.68 | 161,802 |
| History by Letter - E | 0 | - | 4.49 | 133,293 |
| History by Letter - G | 0 | - | 4.45 | 115,811 |
| History by Letter - H | 0 | - | 4.44 | 129,666 |
| History by Letter - J | 0 | - | 4.49 | 146,409 |
| History by Letter - N | 0 | - | 4.43 | 98,555 |
| History by Letter - S | 0 | - | 4.46 | 89,326 |
| History by Letter - T | 0 | - | 4.42 | 100,762 |
| History by Letter - W | 0 | - | 4.46 | 103,769 |
| History by Letter - M | 0 | - | 4.53 | 113,918 |
| History by Letter - K | 0 | - | 4.49 | 96,565 |
| History by Letter - L | 0 | - | 4.47 | 106,750 |
| History by Letter - I | 0 | - | 4.46 | 99,001 |
| History by Letter - D | 0 | - | 4.35 | 131,320 |
| History by Letter - F | 0 | - | 4.20 | 108,767 |
| History by Letter - O | 0 | - | 4.30 | 95,073 |
| History by Letter - P | 0 | - | 4.37 | 102,822 |
| History by Letter - Q | 0 | - | 4.34 | 76,947 |
| History by Letter - R | 0 | - | 4.22 | 117,085 |
| History by Letter - U | 0 | - | 4.18 | 96,133 |
| History by Letter - V | 0 | - | 4.28 | 77,445 |
| History by Letter - Y | 0 | - | 4.24 | 83,928 |
| History by Letter - Z | 0 | - | 4.20 | 74,181 |
| The 3rd and 4th Century | 0 | - | 4.59 | 25,465 |
| Empires A-Z | 0 | - | 4.49 | 42,496 |
| Same Start and End Letter - History #1 | 0 | - | 4.15 | 24,080 |
| Same Start and End Letter - History #2 | 0 | - | 4.09 | 24,563 |
| Geography by Letter - T | 0 | - | 4.84 | 143,046 |
| People in History A-Z #1 | 0 | - | 4.62 | 94,661 |
| People in History A-Z #2 | 0 | - | 4.47 | 52,335 |
| People in History A-Z #3 | 0 | - | 4.48 | 43,944 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.86 | 75,696 |
| Geography by Letter on the World Map - C | 0 | - | 4.81 | 110,394 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 142,772 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 187,380 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 165,650 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 183,399 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 292,914 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 173,459 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 68,972 |
| 20th Century A-Z | 0 | - | 4.50 | 48,022 |
| 19th Century A-Z | 0 | - | 4.73 | 36,766 |
| 18th Century A-Z | 0 | - | 4.60 | 33,461 |
| Famous Firsts #1 | 0 | - | 4.42 | 67,055 |
| Time Magazine Person of the Year | 0 | - | 4.55 | 69,647 |
| Invasions | 0 | - | 4.62 | 93,019 |
| Names for Warriors | 0 | - | 4.41 | 35,509 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 223,872 |
| Name an Official Language A-Z | 0 | - | 4.92 | 142,873 |
| Normandy D-Day Beaches | 0 | - | 4.81 | 38,241 |
| Territory Changes in World War I | 0 | - | 4.88 | 42,973 |
| Famous Empires in History | 0 | - | 4.81 | 112,960 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 111,685 |
| People Depicted in Paintings | 0 | - | 4.55 | 42,814 |
| 16th Century A-Z | 0 | - | 4.57 | 16,782 |
| 15th Century A-Z | 0 | - | 4.45 | 20,942 |
| Brand Logos That Start with A | 0 | - | 4.54 | 63,030 |
| Brand Logos That Start With B | 0 | - | 4.45 | 54,117 |
| Brand Logos That Start With M | 0 | - | 4.42 | 55,510 |
| NATO Military Alphabet | 0 | - | 4.98 | 525,019 |
| Disney A-Z | 0 | - | 4.41 | 81,938 |
| Religion A-Z #2 | 0 | - | 4.44 | 35,522 |
| Geography by Letter - A | 0 | - | 4.70 | 202,084 |
| Geography by Letter - B | 0 | - | 4.55 | 175,499 |
| Geography by Letter - H | 0 | - | 4.75 | 142,810 |
| Geography by Letter - C | 0 | - | 4.50 | 151,013 |
| Geography by Letter - D | 0 | - | 4.48 | 143,401 |
| Geography by Letter - E | 0 | - | 4.41 | 140,488 |
| Geography by Letter - I | 0 | - | 4.44 | 116,438 |
| Geography by Letter - K | 0 | - | 4.54 | 112,352 |
| Geography by Letter - L | 0 | - | 4.45 | 141,729 |
| Geography by Letter - M | 0 | - | 4.48 | 112,350 |
| Geography by Letter - N | 0 | - | 4.51 | 121,282 |
| Geography by Letter - P | 0 | - | 4.47 | 169,393 |
| Geography by Letter - R | 0 | - | 4.42 | 122,753 |
| Geography by Letter - S #1 | 0 | - | 4.75 | 132,508 |
| Geography by Letter - U | 0 | - | 4.52 | 135,136 |
| Geography by Letter - W | 0 | - | 4.41 | 109,852 |
| Asian Geography By Letter - K | 0 | - | 4.77 | 56,807 |
| A to Z: Musical Terms | 0 | - | 4.43 | 39,167 |
| Geography A-Z #2 | 0 | - | 4.46 | 50,982 |
| Geography A-Z #5 | 0 | - | 4.46 | 35,960 |
| Geography A-Z #1 | 0 | - | 4.55 | 67,592 |
| Movies that Start with G | 0 | - | 4.49 | 66,450 |
| Movies that Start with I | 0 | - | 4.41 | 63,219 |
| WWII A-Z #1 | 0 | - | 4.79 | 97,971 |
| WWII A-Z #2 | 0 | - | 4.43 | 52,098 |
| Famous Battles Quiz | 0 | - | 4.26 | 47,540 |
| Name the War Quiz | 0 | - | 4.38 | 195,506 |
| Famous U.S. Generals | 0 | - | 4.26 | 37,596 |
| Religions by Country of Origin Quiz | 0 | - | 4.30 | 74,485 |
| Famous Families #1 | 0 | - | 4.27 | 81,595 |
| People in History A-Z #5 | 0 | - | 4.04 | 30,637 |
| People in History A-Z #4 | 0 | - | 4.10 | 21,844 |
| Former Countries by Territory Map | 0 | - | 4.96 | 92,997 |
| Empires by Maps | 0 | - | 4.99 | 105,700 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 99,695 |
| Art Works Picture Quiz #2 | 0 | - | 4.48 | 88,885 |
| Art Works Picture Quiz #3 | 0 | - | 4.41 | 42,862 |
| Ultimate 20th Century History Quiz | 0 | - | 4.83 | 49,662 |
| The 7 Wonders of the Ancient World | 0 | - | 4.81 | 67,070 |
| The 15th Century | 0 | - | 4.41 | 49,723 |
| The 14th Century | 0 | - | 4.54 | 47,820 |
| The 13th Century | 0 | - | 4.46 | 41,896 |
| The 11th and 12th Century | 0 | - | 4.54 | 54,242 |
| 14th Century A-Z | 0 | - | 4.35 | 16,587 |
| 17th Century A-Z | 0 | - | 4.62 | 25,612 |
| Military History A-Z | 0 | - | 4.19 | 20,298 |
| Ye Olde Professions | 0 | - | 4.70 | 149,889 |
| People in History by Wikipedia Descriptions #1 | 0 | - | 4.41 | 43,032 |
| Countries by Military Spending | 0 | - | 4.93 | 167,348 |
| 100 Most Common English Words | 0 | - | 4.89 | 1,236,931 |
| Classic Novels by Plot #2 | 0 | - | 4.83 | 33,823 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.91 | 104,139 |
| Animals that Start with L | 0 | - | 4.45 | 97,377 |
| Animals that Start with P | 0 | - | 4.45 | 82,703 |
| Animals that Start with S | 0 | - | 4.49 | 83,672 |
| Geography by Letter on the World Map - B | 0 | - | 4.50 | 84,407 |
| Geography by Letter on the World Map - A | 0 | - | 4.78 | 100,081 |
| World Cities A-Z #1 | 0 | - | 4.52 | 60,424 |
| Islands A-Z | 0 | - | 4.47 | 111,113 |
| World Cities A-Z #2 | 0 | - | 4.47 | 52,930 |
| Human Body A-Z | 0 | - | 4.50 | 124,051 |
| Africa A-Z | 0 | - | 4.57 | 44,989 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.65 | 45,010 |
| Ethnic Groups A-Z | 0 | - | 4.54 | 40,321 |
| Metals of Antiquity | 0 | - | 4.94 | 89,162 |
| Space Exploration Trivia | 0 | - | 4.37 | 34,213 |
| Oldest Things | 0 | - | 3.96 | 65,127 |
| Famous Homes - Who Lived There? | 0 | - | 4.09 | 26,465 |
| Famous Firsts #2 | 0 | - | 4.00 | 79,599 |
| Famous Firsts #3 - The United States | 0 | - | 4.17 | 13,722 |
| Years in History #1 - Multiple Choice | 0 | - | 4.82 | 66,465 |
| Brand Logos That Start With D | 0 | - | 4.33 | 55,400 |
| Brand Logos That Start With C | 0 | - | 4.13 | 45,036 |
| Brand Logos That Start With L | 0 | - | 4.40 | 53,969 |
| Brand Logos That Start With S | 0 | - | 4.39 | 51,176 |
| Most Common English Verbs - Extreme | 0 | - | 4.95 | 146,737 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.41 | 14,453 |
| Companies A-Z | 0 | - | 4.30 | 41,990 |
| Top Five Exporting Partners by Country | 0 | - | 4.84 | 64,479 |
| Religion A-Z #1 | 0 | - | 4.31 | 60,503 |
| Geography by Letter - G | 0 | - | 4.35 | 120,239 |
| Geography by Letter - F | 0 | - | 4.28 | 131,282 |
| Geography by Letter - J | 0 | - | 4.37 | 117,155 |
| Geography by Letter - O | 0 | - | 4.38 | 123,942 |
| Geography by Letter - V | 0 | - | 4.38 | 114,284 |
| Geography by Letter - Y | 0 | - | 4.37 | 105,983 |
| Geography by Letter - Z | 0 | - | 4.09 | 77,116 |
| Geography by Letter - Q | 0 | - | 4.38 | 65,113 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.17 | 34,247 |
| Video Games A-Z | 0 | - | 4.03 | 36,807 |
| Geography A-Z #3 | 0 | - | 4.22 | 37,875 |
| Middle East A-Z | 0 | - | 4.46 | 44,367 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.44 | 42,769 |
| Movies that Start with A | 0 | - | 4.11 | 60,028 |
| Movies that Start with C | 0 | - | 4.29 | 59,716 |
| Movies that Start with B | 0 | - | 4.36 | 82,766 |
| Movies that Start with D | 0 | - | 4.35 | 66,851 |
| Movies that Start with E | 0 | - | 4.15 | 66,756 |
| Movies that Start with J | 0 | - | 4.22 | 74,230 |
| Movies that Start with L | 0 | - | 4.18 | 58,970 |
| Movies that Start with M | 0 | - | 4.28 | 47,042 |
| Movies that Start with N | 0 | - | 4.03 | 40,197 |
| Movies that Start with P | 0 | - | 4.25 | 52,959 |
| Movies that Start with R | 0 | - | 4.16 | 45,125 |
| Movies that Start with W | 0 | - | 4.06 | 43,295 |
| Movies that Start with T | 0 | - | 4.34 | 47,920 |
| Movies that Start with S | 0 | - | 4.36 | 55,048 |
| Movies that Start with F | 0 | - | 4.15 | 67,240 |
| Music by Letter - F | 0 | - | 4.47 | 25,770 |
| Music by Letter - P | 0 | - | 4.43 | 18,672 |
| Music by Letter - A | 0 | - | 4.61 | 29,992 |
| Google What's the Difference? - History | 0 | - | 4.21 | 44,784 |
| Cradles of Civilization | 0 | - | 4.43 | 35,566 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 684,154 |
| Notable People of WWII | 0 | - | 4.53 | 83,081 |
| WWII Trivia #2 | 0 | - | 4.51 | 99,142 |
| World War I Quiz | 0 | - | 4.78 | 96,172 |
| WWI A-Z | 0 | - | 4.49 | 36,724 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 140,017 |
| Famous Explorers | 0 | - | 4.64 | 34,317 |
| Answers by Time Period | 0 | - | 4.56 | 53,352 |
| History of France Quiz | 0 | - | 4.56 | 41,429 |
| Star Wars A-Z | 0 | - | 4.45 | 83,379 |
| Musical Acts by Letter - J | 0 | - | 4.22 | 75,275 |
| Musical Acts by Letter - M | 0 | - | 4.14 | 89,642 |
| Musical Acts by Letter - N | 0 | - | 4.17 | 66,449 |
| Musical Acts by Letter - P | 0 | - | 4.22 | 63,430 |
| Musical Acts by Letter - R | 0 | - | 4.32 | 80,816 |
| Musical Acts by Letter - T | 0 | - | 4.11 | 64,869 |
| Musical Acts by Letter - A | 0 | - | 4.27 | 79,340 |
| Musical Acts by Letter - B | 0 | - | 4.33 | 70,211 |
| Musical Acts by Letter - C | 0 | - | 4.36 | 57,791 |
| Musical Acts by Letter - D | 0 | - | 4.11 | 50,960 |
| Musical Acts by Letter - E | 0 | - | 4.39 | 59,250 |
| Animals that Start with A | 0 | - | 4.24 | 107,518 |
| Animals that Start with B | 0 | - | 4.32 | 108,841 |
