| History by Letter - B | 0 | - | 4.48 | 163,658 |
| History by Letter - C | 0 | - | 4.68 | 161,854 |
| History by Letter - E | 0 | - | 4.49 | 133,332 |
| History by Letter - G | 0 | - | 4.45 | 115,841 |
| History by Letter - H | 0 | - | 4.44 | 129,698 |
| History by Letter - J | 0 | - | 4.49 | 146,443 |
| History by Letter - N | 0 | - | 4.43 | 98,579 |
| History by Letter - S | 0 | - | 4.46 | 89,347 |
| History by Letter - T | 0 | - | 4.42 | 100,778 |
| History by Letter - W | 0 | - | 4.46 | 103,802 |
| History by Letter - M | 0 | - | 4.53 | 113,948 |
| History by Letter - K | 0 | - | 4.49 | 96,586 |
| History by Letter - L | 0 | - | 4.47 | 106,778 |
| History by Letter - I | 0 | - | 4.46 | 99,026 |
| History by Letter - D | 0 | - | 4.35 | 131,354 |
| History by Letter - F | 0 | - | 4.20 | 108,787 |
| History by Letter - O | 0 | - | 4.30 | 95,094 |
| History by Letter - P | 0 | - | 4.37 | 102,839 |
| History by Letter - Q | 0 | - | 4.34 | 76,963 |
| History by Letter - R | 0 | - | 4.22 | 117,116 |
| History by Letter - U | 0 | - | 4.18 | 96,152 |
| History by Letter - V | 0 | - | 4.28 | 77,464 |
| History by Letter - Y | 0 | - | 4.24 | 83,944 |
| History by Letter - Z | 0 | - | 4.20 | 74,195 |
| The 3rd and 4th Century | 0 | - | 4.59 | 25,476 |
| History Containing the Letter X | 0 | - | 4.46 | 26,070 |
| Empires A-Z | 0 | - | 4.49 | 42,504 |
| Same Start and End Letter - History #1 | 0 | - | 4.15 | 24,084 |
| Same Start and End Letter - History #2 | 0 | - | 4.09 | 24,566 |
| History Ending in Z | 0 | - | 4.35 | 13,003 |
| Countries that Start with a Vowel | 0 | - | 4.98 | 117,989 |
| Geography by Letter - T | 0 | - | 4.84 | 143,099 |
| People in History A-Z #1 | 0 | - | 4.62 | 94,689 |
| People in History A-Z #2 | 0 | - | 4.47 | 52,343 |
| People in History A-Z #3 | 0 | - | 4.48 | 43,952 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.87 | 75,728 |
| Geography by Letter on the World Map - C | 0 | - | 4.81 | 110,433 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 142,787 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 187,411 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 165,666 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 183,432 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 292,940 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 173,488 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 68,982 |
| 20th Century A-Z | 0 | - | 4.51 | 48,488 |
| 19th Century A-Z | 0 | - | 4.74 | 36,828 |
| 18th Century A-Z | 0 | - | 4.60 | 33,508 |
| "Second Best" History Edition | 0 | - | 4.95 | 53,948 |
| Famous Empires in History | 0 | - | 4.81 | 113,039 |
| Famous Firsts #1 | 0 | - | 4.42 | 67,056 |
| Time Magazine Person of the Year | 0 | - | 4.55 | 69,669 |
| Invasions | 0 | - | 4.62 | 93,038 |
| Names for Warriors | 0 | - | 4.41 | 35,513 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 223,930 |
| Name an Official Language A-Z | 0 | - | 4.92 | 142,919 |
| People Depicted in Paintings | 0 | - | 4.55 | 42,822 |
| Normandy D-Day Beaches | 0 | - | 4.81 | 38,248 |
| Territory Changes in World War I | 0 | - | 4.88 | 42,985 |
| 16th Century A-Z | 0 | - | 4.58 | 16,822 |
| 15th Century A-Z | 0 | - | 4.45 | 20,972 |
| Brand Logos That Start with A | 0 | - | 4.54 | 63,068 |
| Brand Logos That Start With B | 0 | - | 4.45 | 54,164 |
| Brand Logos That Start With M | 0 | - | 4.42 | 55,549 |
| NATO Military Alphabet | 0 | - | 4.98 | 525,130 |
| Disney A-Z | 0 | - | 4.41 | 81,959 |
| Religion A-Z #2 | 0 | - | 4.44 | 35,532 |
| Geography by Letter - A | 0 | - | 4.70 | 202,120 |
| Geography by Letter - B | 0 | - | 4.55 | 175,532 |
| Geography by Letter - H | 0 | - | 4.74 | 142,840 |
| Geography by Letter - C | 0 | - | 4.50 | 151,052 |
| Geography by Letter - D | 0 | - | 4.48 | 143,425 |
| Geography by Letter - E | 0 | - | 4.41 | 140,511 |
| Geography by Letter - I | 0 | - | 4.44 | 116,457 |
| Geography by Letter - K | 0 | - | 4.54 | 112,376 |
| Geography by Letter - L | 0 | - | 4.45 | 141,751 |
| Geography by Letter - M | 0 | - | 4.48 | 112,384 |
| Geography by Letter - N | 0 | - | 4.51 | 121,303 |
| Geography by Letter - P | 0 | - | 4.47 | 169,413 |
| Geography by Letter - R | 0 | - | 4.42 | 122,789 |
| Geography by Letter - S #1 | 0 | - | 4.75 | 132,536 |
| Geography by Letter - U | 0 | - | 4.52 | 135,163 |
| Geography by Letter - W | 0 | - | 4.41 | 109,867 |
| Asian Geography By Letter - K | 0 | - | 4.77 | 56,809 |
| Geography Containing the Letter X | 0 | - | 4.41 | 33,343 |
| A to Z: Musical Terms | 0 | - | 4.43 | 39,181 |
| Geography A-Z #2 | 0 | - | 4.46 | 50,993 |
| Geography A-Z #5 | 0 | - | 4.46 | 35,973 |
| Geography A-Z #1 | 0 | - | 4.55 | 67,603 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 111,694 |
| Movies that Start with G | 0 | - | 4.49 | 66,464 |
| Movies that Start with I | 0 | - | 4.41 | 63,233 |
| Former Countries by Territory Map | 0 | - | 4.96 | 93,048 |
| Empires by Maps | 0 | - | 4.99 | 105,753 |
| Ultimate 20th Century History Quiz | 0 | - | 4.83 | 49,682 |
| Famous Battles Quiz | 0 | - | 4.26 | 47,543 |
| Name the War Quiz | 0 | - | 4.38 | 195,531 |
| Famous U.S. Generals | 0 | - | 4.26 | 37,599 |
| Religions by Country of Origin Quiz | 0 | - | 4.30 | 74,490 |
| Famous Families #1 | 0 | - | 4.27 | 81,602 |
| The 7 Wonders of the Ancient World | 0 | - | 4.81 | 67,088 |
| People in History A-Z #5 | 0 | - | 4.04 | 30,638 |
| People in History A-Z #4 | 0 | - | 4.10 | 21,845 |
| Countries by Military Spending | 0 | - | 4.93 | 167,379 |
| Classic Novels by Plot #2 | 0 | - | 4.83 | 33,837 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.91 | 104,166 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 99,714 |
| Art Works Picture Quiz #2 | 0 | - | 4.48 | 88,894 |
| Art Works Picture Quiz #3 | 0 | - | 4.41 | 42,869 |
| WWII A-Z #1 | 0 | - | 4.79 | 97,991 |
| WWII A-Z #2 | 0 | - | 4.43 | 52,106 |
| People in History by Wikipedia Descriptions #1 | 0 | - | 4.41 | 43,047 |
| People in History by Wikipedia Descriptions #2 | 0 | - | 4.41 | 38,249 |
| People in History by Wikipedia Descriptions #3 | 0 | - | 4.52 | 35,676 |
| 100 Most Common English Words | 0 | - | 4.89 | 1,237,284 |
| Animals that Start with L | 0 | - | 4.45 | 97,394 |
| Animals that Start with P | 0 | - | 4.45 | 82,718 |
| Animals that Start with S | 0 | - | 4.49 | 83,695 |
| Geography by Letter on the World Map - B | 0 | - | 4.50 | 84,428 |
| Geography by Letter on the World Map - A | 0 | - | 4.78 | 100,112 |
| World Cities A-Z #1 | 0 | - | 4.52 | 60,434 |
| Islands A-Z | 0 | - | 4.47 | 111,136 |
| World Cities A-Z #2 | 0 | - | 4.47 | 52,937 |
| Human Body A-Z | 0 | - | 4.50 | 124,076 |
| Africa A-Z | 0 | - | 4.57 | 44,991 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.65 | 45,021 |
| Ethnic Groups A-Z | 0 | - | 4.54 | 40,327 |
| Space Exploration Trivia | 0 | - | 4.37 | 34,217 |
| 14th Century A-Z | 0 | - | 4.35 | 16,617 |
| 17th Century A-Z | 0 | - | 4.64 | 25,655 |
| Military History A-Z | 0 | - | 4.19 | 20,301 |
| Famous Generals - Non U.S. | 0 | - | 4.58 | 14,141 |
| Brand Logos That Start With D | 0 | - | 4.33 | 55,437 |
| Brand Logos That Start With C | 0 | - | 4.13 | 45,059 |
| Brand Logos That Start With L | 0 | - | 4.40 | 54,005 |
| Brand Logos That Start With S | 0 | - | 4.39 | 51,217 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.41 | 14,455 |
| Companies A-Z | 0 | - | 4.30 | 41,993 |
| Religion A-Z #1 | 0 | - | 4.31 | 60,508 |
| Geography by Letter - G | 0 | - | 4.35 | 120,261 |
| Geography by Letter - F | 0 | - | 4.28 | 131,310 |
| Geography by Letter - J | 0 | - | 4.37 | 117,174 |
| Geography by Letter - O | 0 | - | 4.38 | 123,961 |
| Geography by Letter - V | 0 | - | 4.38 | 114,318 |
| Geography by Letter - Y | 0 | - | 4.37 | 106,006 |
| Geography by Letter - Z | 0 | - | 4.09 | 77,135 |
| Geography by Letter - Q | 0 | - | 4.38 | 65,131 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.17 | 34,253 |
| Geography Containing the Letter Q | 0 | - | 4.54 | 31,617 |
| Video Games A-Z | 0 | - | 4.03 | 36,815 |
| Geography A-Z #3 | 0 | - | 4.22 | 37,883 |
| Movies that Start with A | 0 | - | 4.11 | 60,038 |
| Movies that Start with C | 0 | - | 4.29 | 59,727 |
| Movies that Start with B | 0 | - | 4.36 | 82,776 |
| Movies that Start with D | 0 | - | 4.35 | 66,863 |
| Movies that Start with E | 0 | - | 4.15 | 66,764 |
| Movies that Start with J | 0 | - | 4.22 | 74,238 |
| Movies that Start with L | 0 | - | 4.18 | 58,979 |
| Movies that Start with M | 0 | - | 4.28 | 47,053 |
| Movies that Start with N | 0 | - | 4.03 | 40,205 |
| Movies that Start with P | 0 | - | 4.25 | 52,965 |
| Movies that Start with R | 0 | - | 4.16 | 45,134 |
| Movies that Start with W | 0 | - | 4.06 | 43,299 |
| Movies that Start with T | 0 | - | 4.34 | 47,927 |
| Movies that Start with S | 0 | - | 4.36 | 55,056 |
| Movies that Start with F | 0 | - | 4.15 | 67,247 |
| Music by Letter - F | 0 | - | 4.47 | 25,774 |
| Music by Letter - P | 0 | - | 4.43 | 18,677 |
| Music by Letter - A | 0 | - | 4.61 | 30,002 |
| Metals of Antiquity | 0 | - | 4.94 | 89,192 |
| Cradles of Civilization | 0 | - | 4.43 | 35,589 |
| Materials From History #1 | 0 | - | 4.55 | 47,856 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 42,854 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 684,292 |
| WWI... or WWII? | 0 | - | 4.84 | 131,829 |
| Oldest Things | 0 | - | 3.96 | 65,133 |
| Famous Homes - Who Lived There? | 0 | - | 4.09 | 26,466 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 140,062 |
| Famous Explorers | 0 | - | 4.64 | 34,333 |
| Answers by Time Period | 0 | - | 4.56 | 53,363 |
| Famous Firsts #2 | 0 | - | 4.00 | 79,600 |
| Famous Firsts #3 - The United States | 0 | - | 4.17 | 13,723 |
| Years in History #1 - Multiple Choice | 0 | - | 4.82 | 66,486 |
| Most Common English Verbs - Extreme | 0 | - | 4.95 | 146,775 |
| Top Five Exporting Partners by Country | 0 | - | 4.84 | 64,493 |
| Middle East A-Z | 0 | - | 4.46 | 44,369 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.44 | 42,778 |
| Google What's the Difference? - History | 0 | - | 4.21 | 44,795 |
| Notable People of WWII | 0 | - | 4.53 | 83,098 |
| WWII Trivia #2 | 0 | - | 4.51 | 99,160 |
| World War I Quiz | 0 | - | 4.78 | 96,198 |
| WWI A-Z | 0 | - | 4.49 | 36,729 |
| Most Important People in History | 0 | - | 3.98 | 48,299 |
| People in History by Wikipedia Descriptions #4 | 0 | - | 4.46 | 24,886 |
| Top Arms Exporting Countries | 0 | - | 4.95 | 80,342 |
| Star Wars A-Z | 0 | - | 4.45 | 83,406 |
| Monarchies of the World | 0 | - | 4.93 | 157,935 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.93 | 103,881 |
| Countries where the Sea Freezes | 0 | - | 4.90 | 85,793 |
| Largest Countries Without Deserts | 0 | - | 4.88 | 70,312 |
| Numbers Tile Select Quiz | 0 | - | 4.99 | 68,948 |
