| Classic Novels by Plot #2 | 0 | - | 4.87 | 37,506 |
| Literature by Letter - A | 0 | - | 4.23 | 31,759 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,066 |
| Literature by Letter - D | 0 | - | 4.30 | 20,459 |
| Literature by Letter - C | 0 | - | 4.34 | 26,385 |
| Literature by Letter - F | 0 | - | 4.25 | 17,081 |
| Literature by Letter - E | 0 | - | 4.03 | 14,967 |
| Literature by Letter - H | 0 | - | 4.23 | 18,002 |
| Literature by Letter - I | 0 | - | 4.25 | 15,145 |
| Literature by Letter - L | 0 | - | 4.32 | 23,139 |
| Literature by Letter - M | 0 | - | 4.16 | 18,541 |
| Literature by Letter - P | 0 | - | 4.16 | 16,669 |
| Literature by Letter - O | 0 | - | 4.30 | 13,468 |
| Literature by Letter - J | 0 | - | 4.23 | 14,746 |
| Literature by Letter - K | 0 | - | 4.13 | 12,227 |
| Literature by Letter - R | 0 | - | 4.06 | 11,823 |
| 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 | 152,408 |
| Authors with Books Turned into Movies | 0 | - | 4.44 | 62,628 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.89 | 81,256 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 106,887 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 152,726 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 193,921 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 169,383 |
| Biggest Countries by Area A-Z | 0 | - | 4.95 | 190,736 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 299,373 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 179,373 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,141 |
| Famous Literary Characters | 0 | - | 4.38 | 36,318 |
| Charlie and the Chocolate Factory | 0 | - | 4.43 | 16,161 |
| Literature Multiple Choice #1 | 0 | - | 4.50 | 40,588 |
| Literature Multiple Choice #2 | 0 | - | 4.44 | 34,343 |
| Books by Plot Description | 0 | - | 4.54 | 26,391 |
| Classic Novels by Plot #1 | 0 | - | 4.40 | 73,135 |
| Who Wrote That Book #2 | 0 | - | 4.47 | 47,765 |
| 100 Books You Can't Do Without | 0 | - | 4.48 | 63,268 |
| Who Wrote That Book #1 | 0 | - | 4.47 | 103,006 |
| 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 | 234,816 |
| Name an Official Language A-Z | 0 | - | 4.91 | 174,746 |
| Book Titles by Synonyms #1 | 0 | - | 4.61 | 75,615 |
| Ultimate Percy Jackson Characters Quiz | 0 | - | 4.45 | 44,985 |
| NATO Military Alphabet | 0 | - | 4.98 | 554,128 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.81 | 797,835 |
| Geography by Letter - A | 0 | - | 4.74 | 210,089 |
| Geography by Letter - B | 0 | - | 4.56 | 183,252 |
| Geography by Letter - H | 0 | - | 4.69 | 149,275 |
| Geography by Letter - C | 0 | - | 4.47 | 157,547 |
| Geography by Letter - D | 0 | - | 4.50 | 149,481 |
| Geography by Letter - E | 0 | - | 4.42 | 146,637 |
| Geography by Letter - I | 0 | - | 4.42 | 121,196 |
| Geography by Letter - K | 0 | - | 4.53 | 117,321 |
| Geography by Letter - L | 0 | - | 4.43 | 147,608 |
| Geography by Letter - M | 0 | - | 4.49 | 117,622 |
| Geography by Letter - N | 0 | - | 4.51 | 126,226 |
| Geography by Letter - P | 0 | - | 4.47 | 175,141 |
| Geography by Letter - R | 0 | - | 4.43 | 130,316 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 139,595 |
| Geography by Letter - U | 0 | - | 4.54 | 142,055 |
| Asian Geography By Letter - K | 0 | - | 4.74 | 57,978 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,054 |
| Geography A-Z #2 | 0 | - | 4.46 | 52,683 |
| Geography A-Z #5 | 0 | - | 4.47 | 37,186 |
| Empires A-Z | 0 | - | 4.51 | 44,814 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,331 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 124,901 |
| Movies that Start with G | 0 | - | 4.48 | 68,240 |
| Movies that Start with I | 0 | - | 4.41 | 64,879 |
| History by Letter - A | 0 | - | 4.51 | 152,108 |
| History by Letter - B | 0 | - | 4.45 | 171,256 |
| History by Letter - C | 0 | - | 4.69 | 170,306 |
| History by Letter - E | 0 | - | 4.51 | 139,841 |
| History by Letter - G | 0 | - | 4.45 | 121,438 |
| History by Letter - H | 0 | - | 4.45 | 135,861 |
| History by Letter - J | 0 | - | 4.51 | 153,234 |
| History by Letter - N | 0 | - | 4.44 | 103,383 |
| History by Letter - S | 0 | - | 4.47 | 93,671 |
| History by Letter - W | 0 | - | 4.45 | 108,726 |
| History by Letter - M | 0 | - | 4.54 | 119,091 |
| History by Letter - K | 0 | - | 4.50 | 100,817 |
| History by Letter - L | 0 | - | 4.49 | 111,499 |
| History by Letter - I | 0 | - | 4.46 | 103,678 |
| Brand Logos That Start with A | 0 | - | 4.51 | 69,240 |
| Brand Logos That Start With B | 0 | - | 4.41 | 59,182 |
| Brand Logos That Start With M | 0 | - | 4.45 | 61,754 |
| Authors of Children's Books | 0 | - | 4.23 | 19,949 |
| Books by City | 0 | - | 4.04 | 14,197 |
| Word Puzzles - Book Titles #1 | 0 | - | 4.41 | 27,427 |
| Dewey Decimal System | 0 | - | 4.28 | 13,539 |
| Authors by Country | 0 | - | 4.40 | 32,087 |
| Nonfiction Books Quiz | 0 | - | 4.44 | 22,481 |
| 1984 the Book | 0 | - | 4.61 | 20,955 |
| Winnie-the-Pooh Characters | 0 | - | 4.46 | 28,555 |
| Nursery Rhymes Fill in the Blank | 0 | - | 4.14 | 40,384 |
| Countries by Military Spending | 0 | - | 4.93 | 176,386 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 119,689 |
| "Of Something" Book Titles | 0 | - | 4.45 | 47,937 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,304,717 |
| Animals that Start with L | 0 | - | 4.47 | 101,252 |
| Animals that Start with P | 0 | - | 4.45 | 85,640 |
| Animals that Start with S | 0 | - | 4.49 | 86,809 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 89,625 |
| Geography by Letter on the World Map - C | 0 | - | 4.78 | 116,576 |
| World Cities A-Z by Clue #1 | 0 | - | 4.55 | 65,902 |
| Islands A-Z | 0 | - | 4.46 | 116,744 |
| World Cities A-Z by Clue #2 | 0 | - | 4.45 | 57,407 |
| Human Body A-Z | 0 | - | 4.51 | 128,380 |
| Asian Cities A-Z by Clue | 0 | - | 4.53 | 34,174 |
| Animals A-Z #1 | 0 | - | 4.41 | 92,806 |
| Africa A-Z | 0 | - | 4.57 | 46,367 |
| Ethnic Groups A-Z | 0 | - | 4.50 | 42,044 |
| People in History A-Z #1 | 0 | - | 4.63 | 98,591 |
| People in History A-Z #2 | 0 | - | 4.47 | 54,812 |
| People in History A-Z #3 | 0 | - | 4.44 | 45,954 |
| Books by Clue #2 | 0 | - | 4.43 | 26,603 |
| Disney A-Z | 0 | - | 4.37 | 86,376 |
| Companies A-Z | 0 | - | 4.30 | 42,609 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,480 |
| Religion A-Z #2 | 0 | - | 4.40 | 36,810 |
| Geography by Letter - G | 0 | - | 4.35 | 125,464 |
| Geography by Letter - F | 0 | - | 4.27 | 137,038 |
| Geography by Letter - J | 0 | - | 4.34 | 122,155 |
| Geography by Letter - O | 0 | - | 4.37 | 128,980 |
| Geography by Letter - V | 0 | - | 4.39 | 120,872 |
| Geography by Letter - W | 0 | - | 4.39 | 114,185 |
| Geography by Letter - Y | 0 | - | 4.39 | 110,655 |
| Geography by Letter - Z | 0 | - | 4.11 | 81,021 |
| Geography by Letter - Q | 0 | - | 4.38 | 68,866 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.18 | 35,107 |
| Video Games A-Z | 0 | - | 4.08 | 38,685 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,075 |
| Movies that Start with A | 0 | - | 4.13 | 61,631 |
| Movies that Start with C | 0 | - | 4.30 | 61,571 |
| Movies that Start with B | 0 | - | 4.35 | 84,904 |
| Movies that Start with D | 0 | - | 4.34 | 68,216 |
| Movies that Start with E | 0 | - | 4.13 | 68,162 |
| Movies that Start with J | 0 | - | 4.18 | 75,906 |
| Movies that Start with L | 0 | - | 4.16 | 60,218 |
| Movies that Start with M | 0 | - | 4.28 | 48,057 |
| Movies that Start with N | 0 | - | 4.02 | 41,101 |
| Movies that Start with P | 0 | - | 4.25 | 53,996 |
| Movies that Start with R | 0 | - | 4.17 | 46,437 |
| Movies that Start with W | 0 | - | 4.07 | 44,127 |
| Movies that Start with T | 0 | - | 4.33 | 49,105 |
| Movies that Start with S | 0 | - | 4.35 | 56,261 |
| Movies that Start with F | 0 | - | 4.13 | 68,628 |
| History by Letter - D | 0 | - | 4.39 | 136,875 |
| History by Letter - F | 0 | - | 4.18 | 113,682 |
| History by Letter - O | 0 | - | 4.31 | 99,046 |
| History by Letter - P | 0 | - | 4.38 | 107,339 |
| History by Letter - Q | 0 | - | 4.34 | 79,973 |
| History by Letter - R | 0 | - | 4.26 | 121,646 |
| History by Letter - T | 0 | - | 4.39 | 104,867 |
| History by Letter - U | 0 | - | 4.19 | 100,239 |
| History by Letter - V | 0 | - | 4.27 | 80,361 |
| History by Letter - Y | 0 | - | 4.27 | 86,931 |
| History by Letter - Z | 0 | - | 4.18 | 76,738 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,114 |
| Music by Letter - F | 0 | - | 4.48 | 26,823 |
| Music by Letter - A | 0 | - | 4.61 | 31,185 |
| Brand Logos That Start With D | 0 | - | 4.37 | 60,657 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,005 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,177 |
| Brand Logos That Start With S | 0 | - | 4.37 | 56,696 |
| Word Puzzles - Book Titles #2 | 0 | - | 4.38 | 21,782 |
| Famous Literature Fractured | 0 | - | 4.04 | 9,665 |
| The 100 Greatest Novels | 0 | - | 3.71 | 41,663 |
| Bestselling Authors | 0 | - | 4.10 | 18,816 |
| Characters from Books #2 | 0 | - | 4.42 | 79,520 |
| Nursery Rhymes #2 | 0 | - | 4.22 | 15,423 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 155,788 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 66,835 |
| Middle East A-Z | 0 | - | 4.47 | 45,786 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,147 |
| 20th Century A-Z | 0 | - | 4.50 | 53,163 |
| 19th Century A-Z | 0 | - | 4.77 | 46,734 |
| 18th Century A-Z | 0 | - | 4.54 | 42,647 |
| 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 | 30,535 |
| 5-Letter Literature Chain | 0 | - | 4.29 | 54,616 |
| 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 | 52,858 |
| The Hunger Games Districts Quiz | 0 | - | 4.21 | 31,669 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 85,070 |
| Star Wars A-Z | 0 | - | 4.46 | 87,165 |
| Monarchies of the World | 0 | - | 4.94 | 166,587 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.91 | 111,526 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 110,908 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 113,442 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 74,664 |
| Astronomy Quiz | 0 | - | 4.89 | 81,683 |
| Google What's the Difference? - Animals | 0 | - | 4.93 | 92,417 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.89 | 65,153 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,716 |
