| Classic Novels by Plot #2 | 0 | - | 4.87 | 37,512 |
| Literature by Letter - A | 0 | - | 4.23 | 31,761 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,067 |
| Literature by Letter - D | 0 | - | 4.30 | 20,461 |
| Literature by Letter - C | 0 | - | 4.34 | 26,387 |
| Literature by Letter - F | 0 | - | 4.25 | 17,084 |
| Literature by Letter - H | 0 | - | 4.23 | 18,003 |
| Literature by Letter - I | 0 | - | 4.25 | 15,146 |
| Literature by Letter - L | 0 | - | 4.32 | 23,140 |
| Literature by Letter - M | 0 | - | 4.16 | 18,543 |
| Literature by Letter - P | 0 | - | 4.16 | 16,671 |
| Literature by Letter - O | 0 | - | 4.30 | 13,468 |
| Literature by Letter - J | 0 | - | 4.23 | 14,747 |
| Literature by Letter - N | 0 | - | 4.24 | 14,239 |
| Literature by Letter - K | 0 | - | 4.13 | 12,228 |
| Literature by Letter - R | 0 | - | 4.06 | 11,824 |
| Literature by Letter - T | 0 | - | 4.37 | 18,489 |
| Literature by Letter - U | 0 | - | 4.20 | 13,040 |
| Literature by Letter - V | 0 | - | 4.06 | 11,676 |
| Literature by Letter - W | 0 | - | 4.15 | 13,429 |
| Geography by Letter - T | 0 | - | 4.84 | 152,423 |
| Authors with Books Turned into Movies | 0 | - | 4.44 | 62,630 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.89 | 81,268 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 106,904 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 152,733 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 193,937 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 169,395 |
| Biggest Countries by Area A-Z | 0 | - | 4.95 | 190,747 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 299,387 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 179,381 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,150 |
| Famous Literary Characters | 0 | - | 4.38 | 36,319 |
| Charlie and the Chocolate Factory | 0 | - | 4.43 | 16,162 |
| Literature Multiple Choice #1 | 0 | - | 4.50 | 40,590 |
| Literature Multiple Choice #2 | 0 | - | 4.44 | 34,343 |
| Books by Plot Description | 0 | - | 4.54 | 26,393 |
| Classic Novels by Plot #1 | 0 | - | 4.40 | 73,142 |
| Who Wrote That Book #2 | 0 | - | 4.47 | 47,768 |
| 100 Books You Can't Do Without | 0 | - | 4.48 | 63,317 |
| Who Wrote That Book #1 | 0 | - | 4.47 | 103,009 |
| Literature by Letter - G | 0 | - | 3.91 | 14,458 |
| Literature by Letter - S | 0 | - | 3.94 | 11,824 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 234,840 |
| Name an Official Language A-Z | 0 | - | 4.91 | 174,764 |
| Book Titles by Synonyms #1 | 0 | - | 4.61 | 75,617 |
| Ultimate Percy Jackson Characters Quiz | 0 | - | 4.45 | 44,987 |
| NATO Military Alphabet | 0 | - | 4.98 | 554,189 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.81 | 797,870 |
| Geography by Letter - A | 0 | - | 4.74 | 210,104 |
| Geography by Letter - B | 0 | - | 4.56 | 183,262 |
| Geography by Letter - H | 0 | - | 4.69 | 149,285 |
| Geography by Letter - C | 0 | - | 4.47 | 157,560 |
| Geography by Letter - D | 0 | - | 4.50 | 149,496 |
| Geography by Letter - E | 0 | - | 4.42 | 146,647 |
| Geography by Letter - I | 0 | - | 4.42 | 121,205 |
| Geography by Letter - K | 0 | - | 4.53 | 117,329 |
| Geography by Letter - L | 0 | - | 4.43 | 147,618 |
| Geography by Letter - M | 0 | - | 4.49 | 117,631 |
| Geography by Letter - N | 0 | - | 4.51 | 126,233 |
| Geography by Letter - P | 0 | - | 4.47 | 175,146 |
| Geography by Letter - R | 0 | - | 4.43 | 130,331 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 139,607 |
| Geography by Letter - U | 0 | - | 4.54 | 142,064 |
| Asian Geography By Letter - K | 0 | - | 4.74 | 57,981 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,065 |
| Geography A-Z #2 | 0 | - | 4.46 | 52,687 |
| Geography A-Z #5 | 0 | - | 4.47 | 37,188 |
| Empires A-Z | 0 | - | 4.51 | 44,820 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,336 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 124,907 |
| Movies that Start with G | 0 | - | 4.48 | 68,244 |
| Movies that Start with I | 0 | - | 4.41 | 64,883 |
| History by Letter - A | 0 | - | 4.51 | 152,115 |
| History by Letter - B | 0 | - | 4.45 | 171,264 |
| History by Letter - C | 0 | - | 4.69 | 170,318 |
| History by Letter - E | 0 | - | 4.51 | 139,848 |
| History by Letter - G | 0 | - | 4.45 | 121,448 |
| History by Letter - H | 0 | - | 4.45 | 135,869 |
| History by Letter - J | 0 | - | 4.51 | 153,243 |
| History by Letter - N | 0 | - | 4.44 | 103,389 |
| History by Letter - S | 0 | - | 4.47 | 93,675 |
| History by Letter - W | 0 | - | 4.45 | 108,732 |
| History by Letter - M | 0 | - | 4.54 | 119,099 |
| History by Letter - K | 0 | - | 4.50 | 100,820 |
| History by Letter - L | 0 | - | 4.49 | 111,505 |
| History by Letter - I | 0 | - | 4.46 | 103,684 |
| Brand Logos That Start with A | 0 | - | 4.51 | 69,256 |
| Brand Logos That Start With B | 0 | - | 4.41 | 59,191 |
| Brand Logos That Start With M | 0 | - | 4.45 | 61,761 |
| Authors of Children's Books | 0 | - | 4.23 | 19,950 |
| Books by City | 0 | - | 4.04 | 14,198 |
| Word Puzzles - Book Titles #1 | 0 | - | 4.41 | 27,428 |
| Dewey Decimal System | 0 | - | 4.28 | 13,539 |
| Authors by Country | 0 | - | 4.40 | 32,088 |
| Nonfiction Books Quiz | 0 | - | 4.44 | 22,481 |
| 1984 the Book | 0 | - | 4.61 | 20,955 |
| Winnie-the-Pooh Characters | 0 | - | 4.46 | 28,556 |
| Nursery Rhymes Fill in the Blank | 0 | - | 4.14 | 40,384 |
| Countries by Military Spending | 0 | - | 4.93 | 176,397 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 119,698 |
| "Of Something" Book Titles | 0 | - | 4.45 | 47,940 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,304,838 |
| Animals that Start with L | 0 | - | 4.47 | 101,266 |
| Animals that Start with P | 0 | - | 4.45 | 85,647 |
| Animals that Start with S | 0 | - | 4.49 | 86,819 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 89,635 |
| Geography by Letter on the World Map - C | 0 | - | 4.78 | 116,591 |
| World Cities A-Z by Clue #1 | 0 | - | 4.55 | 65,961 |
| Islands A-Z | 0 | - | 4.46 | 116,759 |
| World Cities A-Z by Clue #2 | 0 | - | 4.45 | 57,466 |
| Human Body A-Z | 0 | - | 4.51 | 128,393 |
| Asian Cities A-Z by Clue | 0 | - | 4.53 | 34,219 |
| Animals A-Z #1 | 0 | - | 4.41 | 92,810 |
| Africa A-Z | 0 | - | 4.57 | 46,370 |
| Ethnic Groups A-Z | 0 | - | 4.50 | 42,049 |
| People in History A-Z #1 | 0 | - | 4.63 | 98,599 |
| People in History A-Z #2 | 0 | - | 4.47 | 54,817 |
| People in History A-Z #3 | 0 | - | 4.44 | 45,959 |
| Books by Clue #2 | 0 | - | 4.43 | 26,603 |
| Disney A-Z | 0 | - | 4.37 | 86,457 |
| Companies A-Z | 0 | - | 4.30 | 42,610 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,481 |
| Religion A-Z #2 | 0 | - | 4.40 | 36,813 |
| Geography by Letter - G | 0 | - | 4.35 | 125,474 |
| Geography by Letter - F | 0 | - | 4.27 | 137,050 |
| Geography by Letter - J | 0 | - | 4.34 | 122,161 |
| Geography by Letter - O | 0 | - | 4.37 | 128,985 |
| Geography by Letter - V | 0 | - | 4.39 | 120,884 |
| Geography by Letter - W | 0 | - | 4.39 | 114,193 |
| Geography by Letter - Y | 0 | - | 4.39 | 110,659 |
| Geography by Letter - Z | 0 | - | 4.11 | 81,028 |
| Geography by Letter - Q | 0 | - | 4.38 | 68,873 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.18 | 35,109 |
| Video Games A-Z | 0 | - | 4.08 | 38,691 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,078 |
| Movies that Start with A | 0 | - | 4.13 | 61,635 |
| Movies that Start with C | 0 | - | 4.30 | 61,574 |
| Movies that Start with B | 0 | - | 4.35 | 84,906 |
| Movies that Start with D | 0 | - | 4.34 | 68,218 |
| Movies that Start with E | 0 | - | 4.13 | 68,165 |
| Movies that Start with J | 0 | - | 4.18 | 75,911 |
| Movies that Start with L | 0 | - | 4.16 | 60,220 |
| Movies that Start with M | 0 | - | 4.28 | 48,058 |
| Movies that Start with N | 0 | - | 4.02 | 41,103 |
| Movies that Start with P | 0 | - | 4.25 | 53,998 |
| Movies that Start with R | 0 | - | 4.17 | 46,439 |
| Movies that Start with W | 0 | - | 4.07 | 44,132 |
| Movies that Start with T | 0 | - | 4.33 | 49,107 |
| Movies that Start with S | 0 | - | 4.35 | 56,266 |
| Movies that Start with F | 0 | - | 4.13 | 68,632 |
| History by Letter - D | 0 | - | 4.39 | 136,880 |
| History by Letter - F | 0 | - | 4.18 | 113,689 |
| History by Letter - O | 0 | - | 4.31 | 99,050 |
| History by Letter - P | 0 | - | 4.38 | 107,346 |
| History by Letter - Q | 0 | - | 4.34 | 79,975 |
| History by Letter - R | 0 | - | 4.26 | 121,651 |
| History by Letter - T | 0 | - | 4.39 | 104,873 |
| History by Letter - U | 0 | - | 4.19 | 100,252 |
| History by Letter - V | 0 | - | 4.27 | 80,365 |
| History by Letter - Y | 0 | - | 4.27 | 86,934 |
| History by Letter - Z | 0 | - | 4.18 | 76,743 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,116 |
| Music by Letter - F | 0 | - | 4.48 | 26,828 |
| Music by Letter - A | 0 | - | 4.61 | 31,190 |
| Brand Logos That Start With D | 0 | - | 4.37 | 60,663 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,010 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,183 |
| Brand Logos That Start With S | 0 | - | 4.37 | 56,709 |
| Word Puzzles - Book Titles #2 | 0 | - | 4.38 | 21,783 |
| Famous Literature Fractured | 0 | - | 4.04 | 9,666 |
| The 100 Greatest Novels | 0 | - | 3.71 | 41,664 |
| Bestselling Authors | 0 | - | 4.10 | 18,816 |
| Characters from Books #2 | 0 | - | 4.42 | 79,524 |
| Nursery Rhymes #2 | 0 | - | 4.22 | 15,423 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 155,804 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 66,841 |
| Middle East A-Z | 0 | - | 4.47 | 45,787 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,149 |
| 20th Century A-Z | 0 | - | 4.50 | 53,167 |
| 19th Century A-Z | 0 | - | 4.77 | 46,739 |
| 18th Century A-Z | 0 | - | 4.54 | 42,649 |
| Modern Library's 100 Best Novels | 0 | - | 3.93 | 11,395 |
| Books by Clue #1 | 0 | - | 4.36 | 25,705 |
| Literary Groups of Things | 0 | - | 4.26 | 30,536 |
| 5-Letter Literature Chain | 0 | - | 4.29 | 54,618 |
| 4-Letter Literature Chain | 0 | - | 4.39 | 42,230 |
| Sci-Fi and Fantasy Authors | 0 | - | 4.37 | 14,233 |
| Hunger Games Trivia | 0 | - | 4.22 | 52,859 |
| The Hunger Games Districts Quiz | 0 | - | 4.21 | 31,669 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 85,082 |
| Star Wars A-Z | 0 | - | 4.46 | 87,173 |
| Monarchies of the World | 0 | - | 4.94 | 166,606 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.91 | 111,537 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 110,923 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 113,453 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 74,664 |
| Astronomy Quiz | 0 | - | 4.89 | 81,700 |
| Google What's the Difference? - Animals | 0 | - | 4.93 | 92,423 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.89 | 65,160 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,731 |
