| Classic Novels by Plot #2 | 0 | - | 4.87 | 38,002 |
| Literature by Letter - A | 0 | - | 4.23 | 32,025 |
| Literature by Letter - D | 0 | - | 4.30 | 20,696 |
| Literature by Letter - C | 0 | - | 4.34 | 26,628 |
| Literature by Letter - F | 0 | - | 4.26 | 17,285 |
| Literature by Letter - E | 0 | - | 4.03 | 15,190 |
| Literature by Letter - H | 0 | - | 4.26 | 19,667 |
| Literature by Letter - I | 0 | - | 4.25 | 15,326 |
| Literature by Letter - L | 0 | - | 4.32 | 23,312 |
| Literature by Letter - M | 0 | - | 4.18 | 18,719 |
| Literature by Letter - P | 0 | - | 4.18 | 16,844 |
| Literature by Letter - O | 0 | - | 4.30 | 13,620 |
| Literature by Letter - J | 0 | - | 4.23 | 14,941 |
| Literature by Letter - N | 0 | - | 4.24 | 14,408 |
| Literature by Letter - K | 0 | - | 4.13 | 12,401 |
| Literature by Letter - R | 0 | - | 4.06 | 11,997 |
| Literature by Letter - T | 0 | - | 4.37 | 18,635 |
| Literature by Letter - U | 0 | - | 4.20 | 13,189 |
| Literature by Letter - V | 0 | - | 4.06 | 11,827 |
| Literature by Letter - W | 0 | - | 4.15 | 13,579 |
| Geography by Letter - T | 0 | - | 4.84 | 153,851 |
| Authors with Books Turned into Movies | 0 | - | 4.45 | 62,899 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.89 | 82,159 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 107,861 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 153,291 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 195,261 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 169,990 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 191,922 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 300,391 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 180,338 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,683 |
| Famous Literary Characters | 0 | - | 4.38 | 36,525 |
| Charlie and the Chocolate Factory | 0 | - | 4.43 | 16,260 |
| Literature Multiple Choice #1 | 0 | - | 4.51 | 40,827 |
| Literature Multiple Choice #2 | 0 | - | 4.45 | 34,523 |
| Books by Plot Description | 0 | - | 4.55 | 26,670 |
| Classic Novels by Plot #1 | 0 | - | 4.40 | 73,497 |
| Who Wrote That Book #2 | 0 | - | 4.47 | 47,918 |
| 100 Books You Can't Do Without | 0 | - | 4.49 | 64,109 |
| Who Wrote That Book #1 | 0 | - | 4.47 | 103,243 |
| Literature by Letter - G | 0 | - | 3.91 | 14,647 |
| Literature by Letter - S | 0 | - | 3.94 | 11,998 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 236,531 |
| Name an Official Language A-Z | 0 | - | 4.91 | 175,842 |
| Book Titles by Synonyms #1 | 0 | - | 4.54 | 75,838 |
| Ultimate Percy Jackson Characters Quiz | 0 | - | 4.49 | 45,172 |
| NATO Military Alphabet | 0 | - | 4.98 | 559,159 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.81 | 801,861 |
| Religion A-Z #2 | 0 | - | 4.41 | 36,980 |
| Geography by Letter - A | 0 | - | 4.74 | 211,593 |
| Geography by Letter - B | 0 | - | 4.56 | 184,631 |
| Geography by Letter - H | 0 | - | 4.69 | 150,336 |
| Geography by Letter - C | 0 | - | 4.47 | 158,727 |
| Geography by Letter - D | 0 | - | 4.50 | 150,546 |
| Geography by Letter - E | 0 | - | 4.42 | 147,630 |
| Geography by Letter - I | 0 | - | 4.42 | 122,034 |
| Geography by Letter - K | 0 | - | 4.53 | 118,387 |
| Geography by Letter - L | 0 | - | 4.43 | 148,546 |
| Geography by Letter - M | 0 | - | 4.49 | 118,666 |
| Geography by Letter - N | 0 | - | 4.51 | 127,217 |
| Geography by Letter - P | 0 | - | 4.47 | 176,053 |
| Geography by Letter - R | 0 | - | 4.43 | 131,646 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 140,562 |
| Geography by Letter - U | 0 | - | 4.53 | 143,110 |
| Asian Geography By Letter - K | 0 | - | 4.74 | 58,142 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,304 |
| Geography A-Z #2 | 0 | - | 4.46 | 52,897 |
| Geography A-Z #5 | 0 | - | 4.44 | 37,350 |
| Empires A-Z | 0 | - | 4.52 | 45,126 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,569 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,189 |
| Movies that Start with G | 0 | - | 4.49 | 68,504 |
| Movies that Start with I | 0 | - | 4.41 | 65,141 |
| History by Letter - A | 0 | - | 4.51 | 153,032 |
| History by Letter - B | 0 | - | 4.45 | 172,307 |
| History by Letter - C | 0 | - | 4.70 | 171,594 |
| History by Letter - E | 0 | - | 4.51 | 140,686 |
| History by Letter - G | 0 | - | 4.46 | 122,191 |
| History by Letter - H | 0 | - | 4.45 | 136,798 |
| History by Letter - J | 0 | - | 4.51 | 154,100 |
| History by Letter - N | 0 | - | 4.45 | 104,136 |
| History by Letter - S | 0 | - | 4.47 | 94,431 |
| History by Letter - W | 0 | - | 4.45 | 109,586 |
| History by Letter - M | 0 | - | 4.54 | 119,895 |
| History by Letter - K | 0 | - | 4.50 | 101,411 |
| History by Letter - L | 0 | - | 4.50 | 112,124 |
| History by Letter - I | 0 | - | 4.46 | 104,279 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,179 |
| Brand Logos That Start With M | 0 | - | 4.45 | 62,687 |
| Authors of Children's Books | 0 | - | 4.23 | 19,987 |
| Books by City | 0 | - | 4.04 | 14,254 |
| Word Puzzles - Book Titles #1 | 0 | - | 4.41 | 27,545 |
| Dewey Decimal System | 0 | - | 4.28 | 13,583 |
| Authors by Country | 0 | - | 4.40 | 32,171 |
| Nonfiction Books Quiz | 0 | - | 4.44 | 22,564 |
| 1984 the Book | 0 | - | 4.61 | 21,021 |
| Winnie-the-Pooh Characters | 0 | - | 4.46 | 28,612 |
| Nursery Rhymes Fill in the Blank | 0 | - | 4.14 | 40,472 |
| Countries by Military Spending | 0 | - | 4.93 | 177,538 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 120,603 |
| "Of Something" Book Titles | 0 | - | 4.45 | 48,099 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,315,014 |
| Animals that Start with L | 0 | - | 4.47 | 101,849 |
| Animals that Start with P | 0 | - | 4.45 | 86,083 |
| Animals that Start with S | 0 | - | 4.49 | 87,290 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 90,346 |
| Geography by Letter on the World Map - C | 0 | - | 4.79 | 117,434 |
| World Cities A-Z by Clue #1 | 0 | - | 4.51 | 68,035 |
| Islands A-Z | 0 | - | 4.45 | 123,740 |
| Human Body A-Z | 0 | - | 4.51 | 129,106 |
| Asian Cities A-Z by Clue | 0 | - | 4.49 | 35,483 |
| Animals A-Z #1 | 0 | - | 4.41 | 93,547 |
| Africa A-Z | 0 | - | 4.57 | 46,583 |
| Ethnic Groups A-Z | 0 | - | 4.51 | 42,258 |
| People in History A-Z #1 | 0 | - | 4.63 | 98,988 |
| People in History A-Z #2 | 0 | - | 4.47 | 55,087 |
| People in History A-Z #3 | 0 | - | 4.44 | 46,168 |
| Books by Clue #2 | 0 | - | 4.43 | 26,671 |
| Disney A-Z | 0 | - | 4.37 | 87,032 |
| Companies A-Z | 0 | - | 4.30 | 42,688 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,618 |
| Geography by Letter - G | 0 | - | 4.33 | 126,319 |
| Geography by Letter - F | 0 | - | 4.27 | 137,857 |
| Geography by Letter - J | 0 | - | 4.34 | 122,936 |
| Geography by Letter - O | 0 | - | 4.37 | 129,762 |
| Geography by Letter - V | 0 | - | 4.39 | 121,761 |
| Geography by Letter - W | 0 | - | 4.39 | 114,867 |
| Geography by Letter - Y | 0 | - | 4.39 | 111,522 |
| Geography by Letter - Z | 0 | - | 4.11 | 81,668 |
| Geography by Letter - Q | 0 | - | 4.38 | 69,494 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.15 | 35,246 |
| Video Games A-Z | 0 | - | 4.08 | 38,957 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,237 |
| Movies that Start with A | 0 | - | 4.13 | 61,848 |
| Movies that Start with C | 0 | - | 4.30 | 61,822 |
| Movies that Start with B | 0 | - | 4.36 | 85,190 |
| Movies that Start with D | 0 | - | 4.34 | 68,421 |
| Movies that Start with E | 0 | - | 4.13 | 68,352 |
| Movies that Start with J | 0 | - | 4.18 | 76,148 |
| Movies that Start with L | 0 | - | 4.16 | 60,406 |
| Movies that Start with M | 0 | - | 4.28 | 48,213 |
| Movies that Start with N | 0 | - | 4.02 | 41,243 |
| Movies that Start with P | 0 | - | 4.25 | 54,146 |
| Movies that Start with R | 0 | - | 4.17 | 46,627 |
| Movies that Start with W | 0 | - | 4.07 | 44,255 |
| Movies that Start with T | 0 | - | 4.34 | 49,282 |
| Movies that Start with S | 0 | - | 4.35 | 56,456 |
| Movies that Start with F | 0 | - | 4.13 | 68,830 |
| History by Letter - D | 0 | - | 4.40 | 137,836 |
| History by Letter - F | 0 | - | 4.18 | 114,494 |
| History by Letter - O | 0 | - | 4.32 | 99,558 |
| History by Letter - P | 0 | - | 4.39 | 107,907 |
| History by Letter - Q | 0 | - | 4.34 | 80,383 |
| History by Letter - R | 0 | - | 4.26 | 122,256 |
| History by Letter - T | 0 | - | 4.39 | 105,329 |
| History by Letter - U | 0 | - | 4.19 | 100,842 |
| History by Letter - V | 0 | - | 4.27 | 80,808 |
| History by Letter - Y | 0 | - | 4.27 | 87,321 |
| History by Letter - Z | 0 | - | 4.20 | 77,103 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,233 |
| Music by Letter - F | 0 | - | 4.48 | 26,986 |
| Music by Letter - A | 0 | - | 4.61 | 31,365 |
| Brand Logos That Start With B | 0 | - | 4.38 | 59,902 |
| Brand Logos That Start With D | 0 | - | 4.37 | 61,455 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,597 |
| Brand Logos That Start With L | 0 | - | 4.39 | 61,047 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,503 |
| Word Puzzles - Book Titles #2 | 0 | - | 4.38 | 21,861 |
| Famous Literature Fractured | 0 | - | 4.05 | 9,720 |
| The 100 Greatest Novels | 0 | - | 3.72 | 41,778 |
| Bestselling Authors | 0 | - | 4.10 | 18,896 |
| Characters from Books #2 | 0 | - | 4.42 | 79,854 |
| Nursery Rhymes #2 | 0 | - | 4.22 | 15,451 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 156,991 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 67,104 |
| Middle East A-Z | 0 | - | 4.47 | 45,993 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,333 |
| 20th Century A-Z | 0 | - | 4.50 | 53,698 |
| 19th Century A-Z | 0 | - | 4.77 | 47,259 |
| 18th Century A-Z | 0 | - | 4.54 | 43,147 |
| Modern Library's 100 Best Novels | 0 | - | 3.93 | 11,446 |
| Books by Clue #1 | 0 | - | 4.36 | 25,767 |
| Literary Groups of Things | 0 | - | 4.26 | 30,626 |
| 5-Letter Literature Chain | 0 | - | 4.29 | 54,797 |
| 4-Letter Literature Chain | 0 | - | 4.39 | 42,352 |
| Sci-Fi and Fantasy Authors | 0 | - | 4.37 | 14,288 |
| Hunger Games Trivia | 0 | - | 4.22 | 53,231 |
| The Hunger Games Districts Quiz | 0 | - | 4.21 | 31,815 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 91,091 |
| Star Wars A-Z | 0 | - | 4.46 | 88,129 |
| Monarchies of the World | 0 | - | 4.94 | 168,410 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.92 | 112,437 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 111,677 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 114,189 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 75,044 |
| Astronomy Quiz | 0 | - | 4.90 | 82,481 |
| Google What's the Difference? - Animals | 0 | - | 4.93 | 92,768 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.91 | 65,617 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,303 |
| Musical Acts by Letter - J | 0 | - | 4.17 | 77,430 |