| Classic Novels by Plot #2 | 0 | - | 4.86 | 38,686 |
| Literature by Letter - A | 0 | - | 4.24 | 32,431 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,447 |
| Literature by Letter - D | 0 | - | 4.29 | 21,011 |
| Literature by Letter - C | 0 | - | 4.34 | 26,968 |
| Literature by Letter - F | 0 | - | 4.26 | 17,595 |
| Literature by Letter - E | 0 | - | 4.05 | 15,487 |
| Literature by Letter - H | 0 | - | 4.29 | 20,594 |
| Literature by Letter - I | 0 | - | 4.27 | 17,963 |
| Literature by Letter - L | 0 | - | 4.32 | 23,549 |
| Literature by Letter - M | 0 | - | 4.18 | 18,959 |
| Literature by Letter - O | 0 | - | 4.30 | 13,826 |
| Literature by Letter - J | 0 | - | 4.23 | 15,200 |
| Literature by Letter - N | 0 | - | 4.24 | 14,619 |
| Literature by Letter - K | 0 | - | 4.13 | 12,618 |
| Literature by Letter - R | 0 | - | 4.06 | 12,201 |
| Literature by Letter - T | 0 | - | 4.33 | 18,839 |
| Literature by Letter - U | 0 | - | 4.20 | 13,380 |
| Literature by Letter - V | 0 | - | 4.06 | 12,021 |
| Literature by Letter - W | 0 | - | 4.15 | 13,772 |
| Countries that Start with a Vowel | 0 | - | 4.99 | 155,834 |
| Geography by Letter - T | 0 | - | 4.84 | 155,566 |
| Authors with Books Turned into Movies | 0 | - | 4.45 | 63,233 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.87 | 83,223 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 109,087 |
| Southernmost Countries A-Z | 0 | - | 4.95 | 154,235 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 197,247 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 171,082 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 194,276 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 302,260 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 181,484 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 73,637 |
| Famous Literary Characters | 0 | - | 4.38 | 36,853 |
| Charlie and the Chocolate Factory | 0 | - | 4.45 | 16,428 |
| Literature Multiple Choice #1 | 0 | - | 4.51 | 41,139 |
| Literature Multiple Choice #2 | 0 | - | 4.45 | 34,778 |
| Books by Plot Description | 0 | - | 4.55 | 27,067 |
| Classic Novels by Plot #1 | 0 | - | 4.40 | 73,986 |
| Who Wrote That Book #2 | 0 | - | 4.47 | 48,275 |
| 100 Books You Can't Do Without | 0 | - | 4.49 | 64,615 |
| Who Wrote That Book #1 | 0 | - | 4.47 | 103,896 |
| Literature by Letter - G | 0 | - | 3.91 | 14,922 |
| Literature by Letter - S | 0 | - | 3.94 | 12,206 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 239,064 |
| Name an Official Language A-Z | 0 | - | 4.91 | 177,223 |
| Book Titles by Synonyms #1 | 0 | - | 4.54 | 76,397 |
| Ultimate Percy Jackson Characters Quiz | 0 | - | 4.49 | 45,485 |
| NATO Military Alphabet | 0 | - | 4.98 | 565,411 |
| Religion A-Z #2 | 0 | - | 4.41 | 37,159 |
| Geography by Letter - A | 0 | - | 4.75 | 213,268 |
| Geography by Letter - B | 0 | - | 4.61 | 186,154 |
| Geography by Letter - H | 0 | - | 4.69 | 151,688 |
| Geography by Letter - C | 0 | - | 4.48 | 160,010 |
| Geography by Letter - D | 0 | - | 4.50 | 151,965 |
| Geography by Letter - E | 0 | - | 4.42 | 148,788 |
| Geography by Letter - I | 0 | - | 4.42 | 122,948 |
| Geography by Letter - K | 0 | - | 4.54 | 119,430 |
| Geography by Letter - L | 0 | - | 4.44 | 149,823 |
| Geography by Letter - M | 0 | - | 4.51 | 119,788 |
| Geography by Letter - N | 0 | - | 4.51 | 128,150 |
| Geography by Letter - P | 0 | - | 4.47 | 177,112 |
| Geography by Letter - R | 0 | - | 4.43 | 132,915 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 141,722 |
| Geography by Letter - U | 0 | - | 4.52 | 144,353 |
| Asian Geography By Letter - K | 0 | - | 4.75 | 58,420 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,603 |
| Geography A-Z #2 | 0 | - | 4.46 | 53,198 |
| Geography A-Z #5 | 0 | - | 4.44 | 37,547 |
| Empires A-Z | 0 | - | 4.52 | 45,523 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,878 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,680 |
| Movies that Start with G | 0 | - | 4.49 | 68,872 |
| Movies that Start with I | 0 | - | 4.41 | 65,459 |
| History by Letter - A | 0 | - | 4.51 | 154,078 |
| History by Letter - B | 0 | - | 4.45 | 173,510 |
| History by Letter - C | 0 | - | 4.70 | 172,867 |
| History by Letter - E | 0 | - | 4.51 | 141,675 |
| History by Letter - G | 0 | - | 4.46 | 123,234 |
| History by Letter - H | 0 | - | 4.45 | 137,758 |
| History by Letter - J | 0 | - | 4.51 | 155,201 |
| History by Letter - N | 0 | - | 4.45 | 104,922 |
| History by Letter - S | 0 | - | 4.47 | 95,098 |
| History by Letter - W | 0 | - | 4.45 | 110,354 |
| History by Letter - M | 0 | - | 4.54 | 120,831 |
| History by Letter - K | 0 | - | 4.50 | 102,135 |
| History by Letter - L | 0 | - | 4.50 | 112,945 |
| History by Letter - I | 0 | - | 4.46 | 105,157 |
| Brand Logos That Start with A | 0 | - | 4.52 | 71,399 |
| Authors of Children's Books | 0 | - | 4.24 | 20,058 |
| Books by City | 0 | - | 4.04 | 14,349 |
| Word Puzzles - Book Titles #1 | 0 | - | 4.41 | 27,647 |
| Dewey Decimal System | 0 | - | 4.28 | 13,616 |
| Authors by Country | 0 | - | 4.40 | 32,311 |
| Nonfiction Books Quiz | 0 | - | 4.44 | 22,725 |
| 1984 the Book | 0 | - | 4.61 | 21,112 |
| Winnie-the-Pooh Characters | 0 | - | 4.46 | 28,674 |
| Nursery Rhymes Fill in the Blank | 0 | - | 4.14 | 40,563 |
| Countries by Military Spending | 0 | - | 4.93 | 179,229 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 121,919 |
| "Of Something" Book Titles | 0 | - | 4.45 | 48,327 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,328,177 |
| Animals that Start with L | 0 | - | 4.47 | 102,576 |
| Animals that Start with P | 0 | - | 4.45 | 86,581 |
| Animals that Start with S | 0 | - | 4.49 | 87,783 |
| Geography by Letter on the World Map - B | 0 | - | 4.49 | 91,257 |
| Geography by Letter on the World Map - C | 0 | - | 4.77 | 118,760 |
| World Cities A-Z by Clue #1 | 0 | - | 4.51 | 78,343 |
| Islands A-Z | 0 | - | 4.46 | 128,155 |
| World Cities A-Z by Clue #2 | 0 | - | 4.41 | 60,485 |
| Human Body A-Z | 0 | - | 4.51 | 130,181 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 43,107 |
| Africa A-Z | 0 | - | 4.57 | 46,807 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.70 | 58,325 |
| Ethnic Groups A-Z | 0 | - | 4.51 | 42,585 |
| People in History A-Z #1 | 0 | - | 4.63 | 99,832 |
| People in History A-Z #2 | 0 | - | 4.47 | 55,552 |
| People in History A-Z #3 | 0 | - | 4.44 | 46,503 |
| Books by Clue #2 | 0 | - | 4.43 | 26,814 |
| Sci-Fi and Fantasy Authors | 0 | - | 4.43 | 17,678 |
| Disney A-Z | 0 | - | 4.37 | 87,603 |
| Companies A-Z | 0 | - | 4.30 | 42,785 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,775 |
| Geography by Letter - G | 0 | - | 4.33 | 127,256 |
| Geography by Letter - F | 0 | - | 4.28 | 138,967 |
| Geography by Letter - J | 0 | - | 4.35 | 123,837 |
| Geography by Letter - O | 0 | - | 4.37 | 130,663 |
| Geography by Letter - V | 0 | - | 4.39 | 122,813 |
| Geography by Letter - W | 0 | - | 4.39 | 115,645 |
| Geography by Letter - Y | 0 | - | 4.39 | 112,358 |
| Geography by Letter - Z | 0 | - | 4.11 | 82,326 |
| Geography by Letter - Q | 0 | - | 4.38 | 70,238 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.15 | 35,410 |
| Video Games A-Z | 0 | - | 4.05 | 39,302 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,442 |
| Movies that Start with A | 0 | - | 4.13 | 62,179 |
| Movies that Start with C | 0 | - | 4.30 | 62,193 |
| Movies that Start with B | 0 | - | 4.36 | 85,743 |
| Movies that Start with D | 0 | - | 4.34 | 68,702 |
| Movies that Start with E | 0 | - | 4.13 | 68,644 |
| Movies that Start with J | 0 | - | 4.18 | 76,466 |
| Movies that Start with L | 0 | - | 4.16 | 60,643 |
| Movies that Start with M | 0 | - | 4.28 | 48,438 |
| Movies that Start with N | 0 | - | 4.02 | 41,424 |
| Movies that Start with P | 0 | - | 4.25 | 54,320 |
| Movies that Start with R | 0 | - | 4.17 | 46,861 |
| Movies that Start with W | 0 | - | 4.07 | 44,394 |
| Movies that Start with T | 0 | - | 4.34 | 49,491 |
| Movies that Start with S | 0 | - | 4.35 | 56,670 |
| Movies that Start with F | 0 | - | 4.13 | 69,128 |
| History by Letter - D | 0 | - | 4.40 | 138,765 |
| History by Letter - F | 0 | - | 4.19 | 115,214 |
| History by Letter - O | 0 | - | 4.32 | 100,392 |
| History by Letter - P | 0 | - | 4.36 | 108,591 |
| History by Letter - Q | 0 | - | 4.34 | 80,891 |
| History by Letter - R | 0 | - | 4.26 | 122,934 |
| History by Letter - T | 0 | - | 4.39 | 105,918 |
| History by Letter - U | 0 | - | 4.19 | 101,431 |
| History by Letter - V | 0 | - | 4.27 | 81,303 |
| History by Letter - Y | 0 | - | 4.27 | 87,814 |
| History by Letter - Z | 0 | - | 4.20 | 77,545 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,372 |
| Music by Letter - F | 0 | - | 4.47 | 27,164 |
| Music by Letter - A | 0 | - | 4.61 | 31,562 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,821 |
| Brand Logos That Start With D | 0 | - | 4.37 | 62,391 |
| Brand Logos That Start With C | 0 | - | 4.21 | 50,278 |
| Brand Logos That Start With L | 0 | - | 4.40 | 62,086 |
| Brand Logos That Start With M | 0 | - | 4.38 | 63,723 |
| Brand Logos That Start With S | 0 | - | 4.37 | 58,502 |
| Word Puzzles - Book Titles #2 | 0 | - | 4.38 | 21,940 |
| Famous Literature Fractured | 0 | - | 4.05 | 9,804 |
| The 100 Greatest Novels | 0 | - | 3.74 | 41,976 |
| Bestselling Authors | 0 | - | 4.10 | 19,051 |
| Characters from Books #2 | 0 | - | 4.42 | 80,204 |
| Nursery Rhymes #2 | 0 | - | 4.22 | 15,504 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 158,851 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 67,523 |
| Middle East A-Z | 0 | - | 4.47 | 46,280 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.46 | 44,597 |
| 20th Century A-Z | 0 | - | 4.50 | 54,052 |
| Modern Library's 100 Best Novels | 0 | - | 3.93 | 11,525 |
| Books by Clue #1 | 0 | - | 4.36 | 25,878 |
| Literary Groups of Things | 0 | - | 4.27 | 30,754 |
| 5-Letter Literature Chain | 0 | - | 4.29 | 55,026 |
| 4-Letter Literature Chain | 0 | - | 4.39 | 42,577 |
| Hunger Games Trivia | 0 | - | 4.22 | 53,631 |
| The Hunger Games Districts Quiz | 0 | - | 4.21 | 31,985 |
| Are You Even Literary? Fill in the Blank Book Titles | 0 | - | 4.33 | 41,644 |
| Top Arms Exporting Countries | 0 | - | 4.97 | 106,032 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 185,172 |
| Star Wars A-Z | 0 | - | 4.46 | 89,006 |
| Monarchies of the World | 0 | - | 4.94 | 170,633 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.92 | 114,156 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 113,523 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 115,557 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 75,802 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.79 | 805,750 |
| Astronomy Quiz | 0 | - | 4.90 | 83,462 |
| Google What's the Difference? - Animals | 0 | - | 4.93 | 93,179 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.91 | 66,316 |
