| Southernmost Countries A-Z | 0 | - | 4.94 | 153,282 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 195,244 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 169,980 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 191,894 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 300,368 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 180,323 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,678 |
| People in History A-Z #1 | 0 | - | 4.63 | 98,979 |
| People in History A-Z #2 | 0 | - | 4.47 | 55,082 |
| People in History A-Z #3 | 0 | - | 4.44 | 46,165 |
| Name an Official Language A-Z | 0 | - | 4.91 | 175,821 |
| 20th Century A-Z | 0 | - | 4.50 | 53,688 |
| 19th Century A-Z | 0 | - | 4.77 | 47,254 |
| 18th Century A-Z | 0 | - | 4.54 | 43,140 |
| People in History A-Z #5 | 0 | - | 4.09 | 31,941 |
| History by Letter - A | 0 | - | 4.51 | 152,993 |
| History by Letter - B | 0 | - | 4.45 | 172,262 |
| History by Letter - C | 0 | - | 4.70 | 171,542 |
| History by Letter - E | 0 | - | 4.51 | 140,648 |
| History by Letter - G | 0 | - | 4.46 | 122,168 |
| History by Letter - H | 0 | - | 4.45 | 136,715 |
| History by Letter - J | 0 | - | 4.51 | 154,058 |
| History by Letter - N | 0 | - | 4.45 | 104,106 |
| History by Letter - S | 0 | - | 4.47 | 94,404 |
| History by Letter - W | 0 | - | 4.45 | 109,565 |
| History by Letter - M | 0 | - | 4.54 | 119,870 |
| History by Letter - K | 0 | - | 4.50 | 101,387 |
| History by Letter - L | 0 | - | 4.50 | 112,107 |
| History by Letter - I | 0 | - | 4.46 | 104,258 |
| Religion A-Z #2 | 0 | - | 4.41 | 36,978 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,300 |
| Geography A-Z #2 | 0 | - | 4.46 | 52,891 |
| Geography A-Z #5 | 0 | - | 4.44 | 37,347 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,565 |
| Countries that Start with a Vowel | 0 | - | 4.99 | 130,161 |
| Geography by Letter - T | 0 | - | 4.84 | 153,834 |
| 16th Century A-Z | 0 | - | 4.58 | 24,872 |
| 15th Century A-Z | 0 | - | 4.49 | 23,908 |
| 14th Century A-Z | 0 | - | 4.41 | 24,352 |
| History by Letter - D | 0 | - | 4.40 | 137,800 |
| History by Letter - F | 0 | - | 4.18 | 114,404 |
| History by Letter - O | 0 | - | 4.32 | 99,537 |
| History by Letter - P | 0 | - | 4.39 | 107,891 |
| History by Letter - Q | 0 | - | 4.34 | 80,369 |
| History by Letter - R | 0 | - | 4.26 | 122,234 |
| History by Letter - T | 0 | - | 4.39 | 105,314 |
| History by Letter - U | 0 | - | 4.19 | 100,822 |
| History by Letter - V | 0 | - | 4.27 | 80,791 |
| History by Letter - Y | 0 | - | 4.27 | 87,304 |
| History by Letter - Z | 0 | - | 4.20 | 77,086 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,229 |
| History Containing the Letter X | 0 | - | 4.47 | 27,032 |
| History Containing the Letter Z | 0 | - | 4.53 | 23,431 |
| Disney A-Z | 0 | - | 4.37 | 87,023 |
| Companies A-Z | 0 | - | 4.30 | 42,688 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,617 |
| World Cities A-Z by Clue #1 | 0 | - | 4.51 | 68,023 |
| Islands A-Z | 0 | - | 4.45 | 123,599 |
| Human Body A-Z | 0 | - | 4.51 | 129,101 |
| Asian Cities A-Z by Clue | 0 | - | 4.49 | 35,476 |
| Animals A-Z #1 | 0 | - | 4.41 | 93,537 |
| Video Games A-Z | 0 | - | 4.08 | 38,955 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,234 |
| Africa A-Z | 0 | - | 4.57 | 46,582 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.69 | 57,635 |
| Ethnic Groups A-Z | 0 | - | 4.51 | 42,253 |
| People in History A-Z #4 | 0 | - | 4.11 | 23,024 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.89 | 82,148 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 107,841 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,331 |
| "Second Best" History Edition | 0 | - | 4.94 | 62,844 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 74,022 |
| Countries That Were Invaded | 0 | - | 4.55 | 97,365 |
| Military History A-Z | 0 | - | 4.20 | 21,147 |
| Double Letters A-Z | 0 | - | 4.51 | 27,139 |
| World Cities A-Z by Clue #2 | 0 | - | 4.40 | 58,958 |
| Animals A-Z #2 | 0 | - | 4.12 | 66,344 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 236,507 |
| Same Start and End Letter - History #1 | 0 | - | 4.18 | 24,736 |
| Same Start and End Letter - History #2 | 0 | - | 4.13 | 25,655 |
| History Ending in Z | 0 | - | 4.35 | 13,520 |
| A to Z: Musical Terms #2 | 0 | - | 4.05 | 11,020 |
| Geography A-Z #4 | 0 | - | 4.36 | 25,880 |
| Canada A-Z | 0 | - | 4.73 | 32,790 |
| People Depicted in Paintings | 0 | - | 4.54 | 44,603 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,389 |
| Territory Changes in World War I | 0 | - | 4.87 | 46,691 |
| 17th Century A-Z | 0 | - | 4.78 | 34,613 |
| NATO Military Alphabet | 0 | - | 4.98 | 559,040 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.81 | 801,755 |
| Geography by Letter - A | 0 | - | 4.74 | 211,572 |
| Geography by Letter - B | 0 | - | 4.56 | 184,620 |
| Geography by Letter - H | 0 | - | 4.69 | 150,327 |
| Geography by Letter - C | 0 | - | 4.47 | 158,710 |
| Geography by Letter - D | 0 | - | 4.50 | 150,535 |
| Geography by Letter - E | 0 | - | 4.42 | 147,615 |
| Geography by Letter - I | 0 | - | 4.42 | 122,025 |
| Geography by Letter - K | 0 | - | 4.53 | 118,379 |
| Geography by Letter - L | 0 | - | 4.43 | 148,534 |
| Geography by Letter - M | 0 | - | 4.49 | 118,659 |
| Geography by Letter - N | 0 | - | 4.51 | 127,213 |
| Geography by Letter - P | 0 | - | 4.47 | 176,040 |
| Geography by Letter - R | 0 | - | 4.43 | 131,632 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 140,556 |
| Geography by Letter - U | 0 | - | 4.53 | 143,095 |
| Asian Geography By Letter - K | 0 | - | 4.74 | 58,140 |
| Geography Containing the Letter X | 0 | - | 4.42 | 34,630 |
| Geography Containing the Letter Q | 0 | - | 4.55 | 42,876 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,187 |
| Movies that Start with G | 0 | - | 4.49 | 68,497 |
| Movies that Start with I | 0 | - | 4.41 | 65,135 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,166 |
| Brand Logos That Start With M | 0 | - | 4.45 | 62,665 |
| Former Countries by Territory Map | 0 | - | 4.96 | 102,651 |
| Empires by Maps | 0 | - | 4.98 | 120,143 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,642 |
| Famous Battles Quiz | 0 | - | 4.21 | 48,968 |
| Name the War | 0 | - | 4.37 | 201,522 |
| Famous U.S. Generals | 0 | - | 4.27 | 38,528 |
| Famous Firsts #1 | 0 | - | 4.40 | 69,027 |
| Famous Families #1 | 0 | - | 4.20 | 83,582 |
| Names for Warriors | 0 | - | 4.40 | 36,913 |
| Famous Firsts #2 | 0 | - | 4.01 | 81,011 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,345 |
| Countries by Military Spending | 0 | - | 4.93 | 177,509 |
| Classic Novels by Plot #2 | 0 | - | 4.87 | 37,984 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 120,566 |
| Islam A-Z | 0 | - | 4.31 | 24,011 |
| American Football A-Z | 0 | - | 4.26 | 14,509 |
| MLB Baseball A-Z #2 | 0 | - | 4.11 | 17,086 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,009 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,213 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,715 |
| WWII A-Z #1 | 0 | - | 4.78 | 102,904 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,624 |
| People in History by Wikipedia Descriptions #1 | 0 | - | 4.42 | 44,343 |
| People in History by Wikipedia Descriptions #2 | 0 | - | 4.42 | 39,457 |
| People in History by Wikipedia Descriptions #3 | 0 | - | 4.50 | 36,674 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,314,767 |
| Animals that Start with L | 0 | - | 4.47 | 101,823 |
| Animals that Start with P | 0 | - | 4.45 | 86,065 |
| Animals that Start with S | 0 | - | 4.49 | 87,270 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 90,335 |
| Geography by Letter on the World Map - C | 0 | - | 4.79 | 117,417 |
| Space Exploration Trivia | 0 | - | 4.38 | 35,340 |
| Famous Generals - Non U.S. | 0 | - | 4.59 | 15,130 |
| Literature by Letter - A | 0 | - | 4.23 | 32,022 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,221 |
| Geography by Letter - G | 0 | - | 4.33 | 126,310 |
| Geography by Letter - F | 0 | - | 4.27 | 137,845 |
| Geography by Letter - J | 0 | - | 4.34 | 122,928 |
| Geography by Letter - O | 0 | - | 4.37 | 129,755 |
| Geography by Letter - V | 0 | - | 4.39 | 121,751 |
| Geography by Letter - W | 0 | - | 4.39 | 114,860 |
| Geography by Letter - Y | 0 | - | 4.39 | 111,512 |
| Geography by Letter - Z | 0 | - | 4.11 | 81,664 |
| Geography by Letter - Q | 0 | - | 4.38 | 69,486 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.15 | 35,243 |
| Movies that Start with A | 0 | - | 4.13 | 61,842 |
| Movies that Start with C | 0 | - | 4.30 | 61,816 |
| Movies that Start with B | 0 | - | 4.36 | 85,182 |
| Movies that Start with D | 0 | - | 4.34 | 68,415 |
| Movies that Start with E | 0 | - | 4.13 | 68,347 |
| Movies that Start with J | 0 | - | 4.18 | 76,143 |
| Movies that Start with L | 0 | - | 4.16 | 60,399 |
| Movies that Start with M | 0 | - | 4.28 | 48,208 |
| Movies that Start with N | 0 | - | 4.02 | 41,239 |
| Movies that Start with P | 0 | - | 4.25 | 54,142 |
| Movies that Start with R | 0 | - | 4.17 | 46,625 |
| Movies that Start with W | 0 | - | 4.07 | 44,252 |
| Movies that Start with T | 0 | - | 4.34 | 49,274 |
| Movies that Start with S | 0 | - | 4.35 | 56,448 |
| Movies that Start with F | 0 | - | 4.13 | 68,826 |
| Music by Letter - F | 0 | - | 4.48 | 26,984 |
| Music by Letter - A | 0 | - | 4.61 | 31,360 |
| Brand Logos That Start With B | 0 | - | 4.38 | 59,896 |
| Brand Logos That Start With D | 0 | - | 4.37 | 61,442 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,588 |
| Brand Logos That Start With L | 0 | - | 4.39 | 61,036 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,487 |
| Influential Women in History | 0 | - | 4.42 | 35,528 |
| Metals of Antiquity | 0 | - | 4.95 | 93,365 |
| Cradles of Civilization | 0 | - | 4.46 | 39,583 |
| Materials From History #1 | 0 | - | 4.56 | 51,496 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,633 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 706,896 |
| WWI... or WWII? | 0 | - | 4.85 | 141,996 |
| Oldest Things | 0 | - | 3.92 | 65,648 |
| Famous Homes - Who Lived There? | 0 | - | 4.09 | 26,817 |
| Biggest Nations and Empires Ever | 0 | - | 4.52 | 145,797 |
| Famous Explorers | 0 | - | 4.58 | 36,132 |
| Famous Empires by Description | 0 | - | 4.73 | 118,376 |
| Answers by Time Period | 0 | - | 4.63 | 55,537 |
| Famous Firsts #3 - The United States | 0 | - | 4.19 | 14,640 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 70,228 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 156,958 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 67,101 |
| Middle East A-Z | 0 | - | 4.47 | 45,987 |
| South America A-Z | 0 | - | 4.13 | 10,897 |
| Google What's the Difference? - History | 0 | - | 4.20 | 46,207 |
