| Classic Novels by Plot #2 | 0 | - | 4.86 | 38,650 |
| Literature by Letter - A | 0 | - | 4.24 | 32,405 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,434 |
| Literature by Letter - D | 0 | - | 4.29 | 20,991 |
| Literature by Letter - C | 0 | - | 4.34 | 26,944 |
| Literature by Letter - F | 0 | - | 4.26 | 17,577 |
| Literature by Letter - E | 0 | - | 4.05 | 15,464 |
| Literature by Letter - H | 0 | - | 4.29 | 20,561 |
| Literature by Letter - I | 0 | - | 4.27 | 17,913 |
| Literature by Letter - L | 0 | - | 4.32 | 23,534 |
| Literature by Letter - M | 0 | - | 4.18 | 18,950 |
| Literature by Letter - P | 0 | - | 4.18 | 17,082 |
| Literature by Letter - O | 0 | - | 4.30 | 13,818 |
| Literature by Letter - J | 0 | - | 4.23 | 15,185 |
| Literature by Letter - N | 0 | - | 4.24 | 14,609 |
| Literature by Letter - K | 0 | - | 4.13 | 12,610 |
| Literature by Letter - R | 0 | - | 4.06 | 12,193 |
| Literature by Letter - T | 0 | - | 4.33 | 18,827 |
| Literature by Letter - U | 0 | - | 4.20 | 13,372 |
| Literature by Letter - V | 0 | - | 4.06 | 12,011 |
| Literature by Letter - W | 0 | - | 4.15 | 13,762 |
| Geography by Letter - T | 0 | - | 4.84 | 155,450 |
| Authors with Books Turned into Movies | 0 | - | 4.45 | 63,215 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.87 | 83,159 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 109,029 |
| Southernmost Countries A-Z | 0 | - | 4.95 | 154,195 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 196,853 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 171,039 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 194,177 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 302,171 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 181,410 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 73,592 |
| Famous Literary Characters | 0 | - | 4.38 | 36,842 |
| Charlie and the Chocolate Factory | 0 | - | 4.45 | 16,421 |
| Literature Multiple Choice #1 | 0 | - | 4.51 | 41,121 |
| Literature Multiple Choice #2 | 0 | - | 4.45 | 34,756 |
| Books by Plot Description | 0 | - | 4.55 | 27,053 |
| Classic Novels by Plot #1 | 0 | - | 4.40 | 73,962 |
| Who Wrote That Book #2 | 0 | - | 4.47 | 48,254 |
| 100 Books You Can't Do Without | 0 | - | 4.49 | 64,588 |
| Who Wrote That Book #1 | 0 | - | 4.47 | 103,871 |
| Literature by Letter - G | 0 | - | 3.91 | 14,905 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 238,932 |
| Name an Official Language A-Z | 0 | - | 4.91 | 177,132 |
| Book Titles by Synonyms #1 | 0 | - | 4.54 | 76,373 |
| Ultimate Percy Jackson Characters Quiz | 0 | - | 4.49 | 45,477 |
| Brand Logos That Start with A | 0 | - | 4.52 | 71,322 |
| NATO Military Alphabet | 0 | - | 4.98 | 565,009 |
| Religion A-Z #2 | 0 | - | 4.41 | 37,147 |
| Geography by Letter - A | 0 | - | 4.74 | 213,182 |
| Geography by Letter - B | 0 | - | 4.56 | 186,073 |
| Geography by Letter - H | 0 | - | 4.69 | 151,624 |
| Geography by Letter - C | 0 | - | 4.48 | 159,944 |
| Geography by Letter - D | 0 | - | 4.50 | 151,891 |
| Geography by Letter - E | 0 | - | 4.42 | 148,721 |
| Geography by Letter - I | 0 | - | 4.42 | 122,900 |
| Geography by Letter - K | 0 | - | 4.54 | 119,377 |
| Geography by Letter - L | 0 | - | 4.44 | 149,752 |
| Geography by Letter - M | 0 | - | 4.50 | 119,732 |
| Geography by Letter - N | 0 | - | 4.51 | 128,092 |
| Geography by Letter - P | 0 | - | 4.47 | 177,052 |
| Geography by Letter - R | 0 | - | 4.43 | 132,836 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 141,642 |
| Geography by Letter - U | 0 | - | 4.52 | 144,267 |
| Asian Geography By Letter - K | 0 | - | 4.75 | 58,401 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,588 |
| Geography A-Z #2 | 0 | - | 4.46 | 53,182 |
| Geography A-Z #5 | 0 | - | 4.44 | 37,530 |
| Empires A-Z | 0 | - | 4.52 | 45,505 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,857 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,661 |
| Movies that Start with G | 0 | - | 4.49 | 68,853 |
| Movies that Start with I | 0 | - | 4.41 | 65,449 |
| History by Letter - A | 0 | - | 4.51 | 154,006 |
| History by Letter - B | 0 | - | 4.45 | 173,437 |
| History by Letter - C | 0 | - | 4.70 | 172,775 |
| History by Letter - E | 0 | - | 4.51 | 141,599 |
| History by Letter - G | 0 | - | 4.46 | 123,128 |
| History by Letter - H | 0 | - | 4.45 | 137,689 |
| History by Letter - J | 0 | - | 4.51 | 155,123 |
| History by Letter - N | 0 | - | 4.45 | 104,873 |
| History by Letter - S | 0 | - | 4.47 | 95,046 |
| History by Letter - W | 0 | - | 4.45 | 110,291 |
| History by Letter - M | 0 | - | 4.54 | 120,778 |
| History by Letter - K | 0 | - | 4.50 | 102,078 |
| History by Letter - L | 0 | - | 4.50 | 112,881 |
| History by Letter - I | 0 | - | 4.46 | 105,103 |
| Authors of Children's Books | 0 | - | 4.24 | 20,056 |
| Books by City | 0 | - | 4.04 | 14,343 |
| Word Puzzles - Book Titles #1 | 0 | - | 4.41 | 27,645 |
| Dewey Decimal System | 0 | - | 4.28 | 13,615 |
| Authors by Country | 0 | - | 4.40 | 32,305 |
| Nonfiction Books Quiz | 0 | - | 4.44 | 22,720 |
| 1984 the Book | 0 | - | 4.61 | 21,107 |
| Winnie-the-Pooh Characters | 0 | - | 4.46 | 28,671 |
| Nursery Rhymes Fill in the Blank | 0 | - | 4.14 | 40,556 |
| Countries by Military Spending | 0 | - | 4.93 | 179,162 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 121,853 |
| "Of Something" Book Titles | 0 | - | 4.45 | 48,306 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,327,316 |
| Animals that Start with L | 0 | - | 4.47 | 102,530 |
| Animals that Start with P | 0 | - | 4.45 | 86,544 |
| Animals that Start with S | 0 | - | 4.49 | 87,750 |
| Geography by Letter on the World Map - B | 0 | - | 4.49 | 91,208 |
| Geography by Letter on the World Map - C | 0 | - | 4.77 | 118,698 |
| World Cities A-Z by Clue #1 | 0 | - | 4.51 | 78,133 |
| Islands A-Z | 0 | - | 4.46 | 128,036 |
| World Cities A-Z by Clue #2 | 0 | - | 4.41 | 60,428 |
| Human Body A-Z | 0 | - | 4.51 | 130,132 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 43,074 |
| Africa A-Z | 0 | - | 4.57 | 46,795 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.70 | 58,290 |
| Ethnic Groups A-Z | 0 | - | 4.51 | 42,562 |
| People in History A-Z #1 | 0 | - | 4.63 | 99,795 |
| People in History A-Z #2 | 0 | - | 4.47 | 55,524 |
| People in History A-Z #3 | 0 | - | 4.44 | 46,485 |
| Books by Clue #2 | 0 | - | 4.43 | 26,799 |
| Sci-Fi and Fantasy Authors | 0 | - | 4.43 | 17,666 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,763 |
| Brand Logos That Start With D | 0 | - | 4.37 | 62,325 |
| Brand Logos That Start With C | 0 | - | 4.21 | 50,229 |
| Brand Logos That Start With L | 0 | - | 4.40 | 62,030 |
| Brand Logos That Start With M | 0 | - | 4.38 | 63,655 |
| Brand Logos That Start With S | 0 | - | 4.37 | 58,429 |
| Disney A-Z | 0 | - | 4.37 | 87,561 |
| Companies A-Z | 0 | - | 4.30 | 42,782 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,763 |
| Geography by Letter - G | 0 | - | 4.33 | 127,209 |
| Geography by Letter - F | 0 | - | 4.28 | 138,913 |
| Geography by Letter - J | 0 | - | 4.35 | 123,786 |
| Geography by Letter - O | 0 | - | 4.37 | 130,601 |
| Geography by Letter - V | 0 | - | 4.39 | 122,750 |
| Geography by Letter - W | 0 | - | 4.39 | 115,595 |
| Geography by Letter - Y | 0 | - | 4.39 | 112,306 |
| Geography by Letter - Z | 0 | - | 4.11 | 82,285 |
| Geography by Letter - Q | 0 | - | 4.38 | 70,189 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.15 | 35,396 |
| Video Games A-Z | 0 | - | 4.05 | 39,281 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,424 |
| Movies that Start with A | 0 | - | 4.13 | 62,165 |
| Movies that Start with C | 0 | - | 4.30 | 62,174 |
| Movies that Start with B | 0 | - | 4.36 | 85,731 |
| Movies that Start with D | 0 | - | 4.34 | 68,690 |
| Movies that Start with E | 0 | - | 4.13 | 68,631 |
| Movies that Start with J | 0 | - | 4.18 | 76,447 |
| Movies that Start with L | 0 | - | 4.16 | 60,632 |
| Movies that Start with M | 0 | - | 4.28 | 48,420 |
| Movies that Start with N | 0 | - | 4.02 | 41,414 |
| Movies that Start with P | 0 | - | 4.25 | 54,311 |
| Movies that Start with R | 0 | - | 4.17 | 46,844 |
| Movies that Start with W | 0 | - | 4.07 | 44,385 |
| Movies that Start with T | 0 | - | 4.34 | 49,484 |
| Movies that Start with S | 0 | - | 4.35 | 56,666 |
| Movies that Start with F | 0 | - | 4.13 | 69,115 |
| History by Letter - D | 0 | - | 4.40 | 138,690 |
| History by Letter - F | 0 | - | 4.19 | 115,157 |
| History by Letter - O | 0 | - | 4.32 | 100,343 |
| History by Letter - P | 0 | - | 4.36 | 108,540 |
| History by Letter - Q | 0 | - | 4.34 | 80,849 |
| History by Letter - R | 0 | - | 4.26 | 122,885 |
| History by Letter - T | 0 | - | 4.39 | 105,870 |
| History by Letter - U | 0 | - | 4.19 | 101,385 |
| History by Letter - V | 0 | - | 4.27 | 81,259 |
| History by Letter - Y | 0 | - | 4.27 | 87,772 |
| History by Letter - Z | 0 | - | 4.20 | 77,504 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,363 |
| Music by Letter - F | 0 | - | 4.47 | 27,150 |
| Music by Letter - A | 0 | - | 4.61 | 31,551 |
| Word Puzzles - Book Titles #2 | 0 | - | 4.38 | 21,937 |
| Famous Literature Fractured | 0 | - | 4.05 | 9,802 |
| The 100 Greatest Novels | 0 | - | 3.74 | 41,955 |
| Bestselling Authors | 0 | - | 4.10 | 19,043 |
| Characters from Books #2 | 0 | - | 4.42 | 80,186 |
| Nursery Rhymes #2 | 0 | - | 4.22 | 15,501 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 158,737 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 67,502 |
| Middle East A-Z | 0 | - | 4.47 | 46,269 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.46 | 44,580 |
| 20th Century A-Z | 0 | - | 4.50 | 54,033 |
| 19th Century A-Z | 0 | - | 4.77 | 47,506 |
| 18th Century A-Z | 0 | - | 4.54 | 43,356 |
| Modern Library's 100 Best Novels | 0 | - | 3.93 | 11,522 |
| Books by Clue #1 | 0 | - | 4.36 | 25,873 |
| Literary Groups of Things | 0 | - | 4.27 | 30,745 |
| 5-Letter Literature Chain | 0 | - | 4.29 | 55,010 |
| 4-Letter Literature Chain | 0 | - | 4.39 | 42,555 |
| Hunger Games Trivia | 0 | - | 4.22 | 53,611 |
| The Hunger Games Districts Quiz | 0 | - | 4.21 | 31,976 |
| Top Arms Exporting Countries | 0 | - | 4.97 | 105,856 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 184,731 |
| Star Wars A-Z | 0 | - | 4.46 | 88,957 |
| Monarchies of the World | 0 | - | 4.94 | 170,512 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.92 | 113,939 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 113,220 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 115,333 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 75,662 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.79 | 805,496 |
| Astronomy Quiz | 0 | - | 4.90 | 83,397 |
| Google What's the Difference? - Animals | 0 | - | 4.93 | 93,145 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.91 | 66,268 |
