| Classic Novels by Plot #2 | 0 | - | 4.87 | 38,497 |
| Literature by Letter - A | 0 | - | 4.24 | 32,318 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,389 |
| Literature by Letter - D | 0 | - | 4.29 | 20,926 |
| Literature by Letter - C | 0 | - | 4.34 | 26,875 |
| Literature by Letter - F | 0 | - | 4.26 | 17,515 |
| Literature by Letter - E | 0 | - | 4.05 | 15,401 |
| Literature by Letter - H | 0 | - | 4.29 | 20,453 |
| Literature by Letter - L | 0 | - | 4.32 | 23,475 |
| Literature by Letter - M | 0 | - | 4.18 | 18,894 |
| Literature by Letter - P | 0 | - | 4.18 | 17,026 |
| Literature by Letter - O | 0 | - | 4.30 | 13,768 |
| Literature by Letter - J | 0 | - | 4.23 | 15,129 |
| Literature by Letter - N | 0 | - | 4.24 | 14,564 |
| Literature by Letter - K | 0 | - | 4.13 | 12,565 |
| Literature by Letter - R | 0 | - | 4.06 | 12,146 |
| Literature by Letter - T | 0 | - | 4.33 | 18,776 |
| Literature by Letter - U | 0 | - | 4.20 | 13,326 |
| Literature by Letter - V | 0 | - | 4.06 | 11,969 |
| Literature by Letter - W | 0 | - | 4.15 | 13,716 |
| Geography by Letter - T | 0 | - | 4.84 | 154,909 |
| Authors with Books Turned into Movies | 0 | - | 4.45 | 63,139 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.87 | 82,863 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 108,697 |
| Southernmost Countries A-Z | 0 | - | 4.95 | 153,965 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 196,458 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 170,758 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 193,678 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 301,710 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 181,111 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 73,336 |
| Famous Literary Characters | 0 | - | 4.38 | 36,771 |
| Charlie and the Chocolate Factory | 0 | - | 4.45 | 16,384 |
| Literature Multiple Choice #1 | 0 | - | 4.51 | 41,034 |
| Literature Multiple Choice #2 | 0 | - | 4.45 | 34,686 |
| Books by Plot Description | 0 | - | 4.55 | 26,954 |
| Classic Novels by Plot #1 | 0 | - | 4.40 | 73,836 |
| Who Wrote That Book #2 | 0 | - | 4.47 | 48,195 |
| 100 Books You Can't Do Without | 0 | - | 4.49 | 64,476 |
| Who Wrote That Book #1 | 0 | - | 4.47 | 103,762 |
| Literature by Letter - G | 0 | - | 3.91 | 14,856 |
| Literature by Letter - S | 0 | - | 3.94 | 12,145 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 238,318 |
| Name an Official Language A-Z | 0 | - | 4.91 | 176,739 |
| Book Titles by Synonyms #1 | 0 | - | 4.54 | 76,270 |
| Ultimate Percy Jackson Characters Quiz | 0 | - | 4.49 | 45,408 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,989 |
| NATO Military Alphabet | 0 | - | 4.98 | 563,442 |
| Religion A-Z #2 | 0 | - | 4.41 | 37,100 |
| Geography by Letter - A | 0 | - | 4.74 | 212,599 |
| Geography by Letter - B | 0 | - | 4.56 | 185,576 |
| Geography by Letter - H | 0 | - | 4.69 | 151,096 |
| Geography by Letter - C | 0 | - | 4.48 | 159,538 |
| Geography by Letter - D | 0 | - | 4.50 | 151,524 |
| Geography by Letter - E | 0 | - | 4.42 | 148,357 |
| Geography by Letter - I | 0 | - | 4.42 | 122,613 |
| Geography by Letter - K | 0 | - | 4.54 | 118,957 |
| Geography by Letter - L | 0 | - | 4.44 | 149,437 |
| Geography by Letter - M | 0 | - | 4.49 | 119,453 |
| Geography by Letter - N | 0 | - | 4.51 | 127,823 |
| Geography by Letter - P | 0 | - | 4.47 | 176,753 |
| Geography by Letter - R | 0 | - | 4.43 | 132,468 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 141,303 |
| Geography by Letter - U | 0 | - | 4.52 | 143,779 |
| Asian Geography By Letter - K | 0 | - | 4.75 | 58,309 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,526 |
| Geography A-Z #2 | 0 | - | 4.46 | 53,094 |
| Geography A-Z #5 | 0 | - | 4.44 | 37,484 |
| Empires A-Z | 0 | - | 4.52 | 45,394 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,768 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,545 |
| Movies that Start with G | 0 | - | 4.49 | 68,769 |
| Movies that Start with I | 0 | - | 4.41 | 65,372 |
| History by Letter - A | 0 | - | 4.51 | 153,734 |
| History by Letter - B | 0 | - | 4.45 | 173,097 |
| History by Letter - C | 0 | - | 4.70 | 172,437 |
| History by Letter - E | 0 | - | 4.51 | 141,335 |
| History by Letter - G | 0 | - | 4.46 | 122,755 |
| History by Letter - H | 0 | - | 4.45 | 137,422 |
| History by Letter - J | 0 | - | 4.51 | 154,830 |
| History by Letter - N | 0 | - | 4.45 | 104,685 |
| History by Letter - S | 0 | - | 4.47 | 94,858 |
| History by Letter - W | 0 | - | 4.45 | 110,088 |
| History by Letter - M | 0 | - | 4.54 | 120,556 |
| History by Letter - K | 0 | - | 4.50 | 101,879 |
| History by Letter - L | 0 | - | 4.50 | 112,676 |
| History by Letter - I | 0 | - | 4.46 | 104,905 |
| Authors of Children's Books | 0 | - | 4.24 | 20,038 |
| Books by City | 0 | - | 4.04 | 14,318 |
| Word Puzzles - Book Titles #1 | 0 | - | 4.41 | 27,619 |
| Dewey Decimal System | 0 | - | 4.28 | 13,608 |
| Authors by Country | 0 | - | 4.40 | 32,265 |
| Nonfiction Books Quiz | 0 | - | 4.44 | 22,695 |
| 1984 the Book | 0 | - | 4.61 | 21,091 |
| Winnie-the-Pooh Characters | 0 | - | 4.46 | 28,661 |
| Nursery Rhymes Fill in the Blank | 0 | - | 4.14 | 40,526 |
| Countries by Military Spending | 0 | - | 4.93 | 178,825 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 121,534 |
| "Of Something" Book Titles | 0 | - | 4.45 | 48,234 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,323,686 |
| Animals that Start with L | 0 | - | 4.47 | 102,371 |
| Animals that Start with P | 0 | - | 4.45 | 86,419 |
| Animals that Start with S | 0 | - | 4.49 | 87,621 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 90,970 |
| Geography by Letter on the World Map - C | 0 | - | 4.77 | 118,394 |
| World Cities A-Z by Clue #1 | 0 | - | 4.51 | 68,627 |
| Islands A-Z | 0 | - | 4.45 | 126,988 |
| World Cities A-Z by Clue #2 | 0 | - | 4.41 | 59,460 |
| Human Body A-Z | 0 | - | 4.51 | 129,560 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 42,899 |
| Africa A-Z | 0 | - | 4.57 | 46,748 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.70 | 58,171 |
| Ethnic Groups A-Z | 0 | - | 4.51 | 42,467 |
| People in History A-Z #1 | 0 | - | 4.63 | 99,607 |
| People in History A-Z #2 | 0 | - | 4.47 | 55,403 |
| People in History A-Z #3 | 0 | - | 4.44 | 46,399 |
| Books by Clue #2 | 0 | - | 4.43 | 26,762 |
| Sci-Fi and Fantasy Authors | 0 | - | 4.43 | 17,596 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,493 |
| Brand Logos That Start With D | 0 | - | 4.36 | 62,057 |
| Brand Logos That Start With C | 0 | - | 4.20 | 50,020 |
| Brand Logos That Start With L | 0 | - | 4.39 | 61,754 |
| Brand Logos That Start With M | 0 | - | 4.38 | 63,379 |
| Brand Logos That Start With S | 0 | - | 4.37 | 58,126 |
| Disney A-Z | 0 | - | 4.37 | 87,418 |
| Companies A-Z | 0 | - | 4.30 | 42,758 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,720 |
| Geography by Letter - G | 0 | - | 4.33 | 126,936 |
| Geography by Letter - F | 0 | - | 4.28 | 138,655 |
| Geography by Letter - J | 0 | - | 4.35 | 123,530 |
| Geography by Letter - O | 0 | - | 4.37 | 130,352 |
| Geography by Letter - V | 0 | - | 4.39 | 122,430 |
| Geography by Letter - W | 0 | - | 4.39 | 115,364 |
| Geography by Letter - Y | 0 | - | 4.39 | 112,049 |
| Geography by Letter - Z | 0 | - | 4.11 | 82,075 |
| Geography by Letter - Q | 0 | - | 4.38 | 69,967 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.15 | 35,362 |
| Video Games A-Z | 0 | - | 4.05 | 39,194 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,374 |
| Movies that Start with A | 0 | - | 4.13 | 62,094 |
| Movies that Start with C | 0 | - | 4.30 | 62,085 |
| Movies that Start with B | 0 | - | 4.36 | 85,651 |
| Movies that Start with D | 0 | - | 4.34 | 68,621 |
| Movies that Start with E | 0 | - | 4.13 | 68,563 |
| Movies that Start with J | 0 | - | 4.18 | 76,380 |
| Movies that Start with L | 0 | - | 4.16 | 60,571 |
| Movies that Start with M | 0 | - | 4.28 | 48,370 |
| Movies that Start with N | 0 | - | 4.02 | 41,364 |
| Movies that Start with P | 0 | - | 4.25 | 54,265 |
| Movies that Start with R | 0 | - | 4.17 | 46,785 |
| Movies that Start with W | 0 | - | 4.07 | 44,357 |
| Movies that Start with T | 0 | - | 4.34 | 49,433 |
| Movies that Start with S | 0 | - | 4.35 | 56,611 |
| Movies that Start with F | 0 | - | 4.13 | 69,047 |
| History by Letter - D | 0 | - | 4.40 | 138,446 |
| History by Letter - F | 0 | - | 4.18 | 114,972 |
| History by Letter - O | 0 | - | 4.32 | 99,966 |
| History by Letter - P | 0 | - | 4.36 | 108,341 |
| History by Letter - Q | 0 | - | 4.34 | 80,704 |
| History by Letter - R | 0 | - | 4.26 | 122,699 |
| History by Letter - T | 0 | - | 4.39 | 105,704 |
| History by Letter - U | 0 | - | 4.19 | 101,217 |
| History by Letter - V | 0 | - | 4.27 | 81,127 |
| History by Letter - Y | 0 | - | 4.27 | 87,643 |
| History by Letter - Z | 0 | - | 4.20 | 77,387 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,322 |
| Music by Letter - F | 0 | - | 4.47 | 27,110 |
| Music by Letter - A | 0 | - | 4.61 | 31,500 |
| Word Puzzles - Book Titles #2 | 0 | - | 4.38 | 21,916 |
| Famous Literature Fractured | 0 | - | 4.05 | 9,777 |
| The 100 Greatest Novels | 0 | - | 3.74 | 41,900 |
| Bestselling Authors | 0 | - | 4.10 | 19,018 |
| Characters from Books #2 | 0 | - | 4.42 | 80,092 |
| Nursery Rhymes #2 | 0 | - | 4.22 | 15,492 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 158,272 |
| Top Five Exporting Partners by Country | 0 | - | 4.86 | 67,380 |
| Middle East A-Z | 0 | - | 4.47 | 46,215 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.46 | 44,506 |
| 20th Century A-Z | 0 | - | 4.50 | 53,937 |
| 19th Century A-Z | 0 | - | 4.77 | 47,429 |
| 18th Century A-Z | 0 | - | 4.54 | 43,285 |
| Modern Library's 100 Best Novels | 0 | - | 3.93 | 11,506 |
| Books by Clue #1 | 0 | - | 4.36 | 25,840 |
| Literary Groups of Things | 0 | - | 4.27 | 30,710 |
| 5-Letter Literature Chain | 0 | - | 4.29 | 54,943 |
| 4-Letter Literature Chain | 0 | - | 4.39 | 42,488 |
| Hunger Games Trivia | 0 | - | 4.22 | 53,514 |
| The Hunger Games Districts Quiz | 0 | - | 4.21 | 31,941 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 99,387 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 183,299 |
| Star Wars A-Z | 0 | - | 4.46 | 88,691 |
| Monarchies of the World | 0 | - | 4.94 | 169,906 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.92 | 113,670 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 112,932 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 115,078 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 75,524 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.80 | 804,405 |
| Astronomy Quiz | 0 | - | 4.90 | 83,102 |
| Google What's the Difference? - Animals | 0 | - | 4.93 | 93,028 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.91 | 66,116 |
