| Classic Novels by Plot #2 | 0 | - | 4.87 | 38,421 |
| Literature by Letter - A | 0 | - | 4.24 | 32,281 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,366 |
| Literature by Letter - D | 0 | - | 4.29 | 20,896 |
| Literature by Letter - C | 0 | - | 4.34 | 26,852 |
| Literature by Letter - F | 0 | - | 4.26 | 17,487 |
| Literature by Letter - E | 0 | - | 4.05 | 15,372 |
| Literature by Letter - H | 0 | - | 4.29 | 20,378 |
| Literature by Letter - I | 0 | - | 4.25 | 17,624 |
| Literature by Letter - L | 0 | - | 4.32 | 23,454 |
| Literature by Letter - M | 0 | - | 4.18 | 18,867 |
| Literature by Letter - P | 0 | - | 4.18 | 17,002 |
| Literature by Letter - O | 0 | - | 4.30 | 13,751 |
| Literature by Letter - J | 0 | - | 4.23 | 15,101 |
| Literature by Letter - N | 0 | - | 4.24 | 14,542 |
| Literature by Letter - K | 0 | - | 4.13 | 12,545 |
| Literature by Letter - R | 0 | - | 4.06 | 12,124 |
| Literature by Letter - T | 0 | - | 4.33 | 18,759 |
| Literature by Letter - U | 0 | - | 4.20 | 13,306 |
| Literature by Letter - V | 0 | - | 4.06 | 11,949 |
| Literature by Letter - W | 0 | - | 4.15 | 13,695 |
| Geography by Letter - T | 0 | - | 4.84 | 154,685 |
| Authors with Books Turned into Movies | 0 | - | 4.45 | 63,101 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.87 | 82,706 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 108,526 |
| Southernmost Countries A-Z | 0 | - | 4.95 | 153,887 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 196,270 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 170,654 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 193,076 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 301,510 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 180,928 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 73,239 |
| Famous Literary Characters | 0 | - | 4.38 | 36,736 |
| Charlie and the Chocolate Factory | 0 | - | 4.45 | 16,370 |
| Literature Multiple Choice #1 | 0 | - | 4.51 | 41,004 |
| Literature Multiple Choice #2 | 0 | - | 4.45 | 34,667 |
| Classic Novels by Plot #1 | 0 | - | 4.40 | 73,777 |
| Who Wrote That Book #2 | 0 | - | 4.47 | 48,165 |
| 100 Books You Can't Do Without | 0 | - | 4.49 | 64,403 |
| Who Wrote That Book #1 | 0 | - | 4.47 | 103,709 |
| Literature by Letter - S | 0 | - | 3.94 | 12,126 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 238,028 |
| Name an Official Language A-Z | 0 | - | 4.91 | 176,520 |
| Book Titles by Synonyms #1 | 0 | - | 4.54 | 76,182 |
| Ultimate Percy Jackson Characters Quiz | 0 | - | 4.49 | 45,364 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,823 |
| NATO Military Alphabet | 0 | - | 4.98 | 562,574 |
| Religion A-Z #2 | 0 | - | 4.41 | 37,071 |
| Geography by Letter - A | 0 | - | 4.74 | 212,372 |
| Geography by Letter - B | 0 | - | 4.56 | 185,376 |
| Geography by Letter - H | 0 | - | 4.69 | 150,937 |
| Geography by Letter - C | 0 | - | 4.48 | 159,359 |
| Geography by Letter - D | 0 | - | 4.50 | 151,354 |
| Geography by Letter - E | 0 | - | 4.42 | 148,190 |
| Geography by Letter - I | 0 | - | 4.42 | 122,480 |
| Geography by Letter - K | 0 | - | 4.54 | 118,838 |
| Geography by Letter - L | 0 | - | 4.44 | 149,284 |
| Geography by Letter - M | 0 | - | 4.49 | 119,131 |
| Geography by Letter - N | 0 | - | 4.51 | 127,685 |
| Geography by Letter - P | 0 | - | 4.47 | 176,599 |
| Geography by Letter - R | 0 | - | 4.43 | 132,284 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 141,120 |
| Geography by Letter - U | 0 | - | 4.53 | 143,627 |
| Asian Geography By Letter - K | 0 | - | 4.75 | 58,264 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,467 |
| Geography A-Z #2 | 0 | - | 4.46 | 53,049 |
| Geography A-Z #5 | 0 | - | 4.44 | 37,455 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,715 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,500 |
| Movies that Start with G | 0 | - | 4.49 | 68,726 |
| Movies that Start with I | 0 | - | 4.41 | 65,324 |
| History by Letter - A | 0 | - | 4.51 | 153,572 |
| History by Letter - B | 0 | - | 4.45 | 172,901 |
| History by Letter - C | 0 | - | 4.70 | 172,221 |
| History by Letter - E | 0 | - | 4.51 | 141,181 |
| History by Letter - G | 0 | - | 4.46 | 122,616 |
| History by Letter - H | 0 | - | 4.45 | 137,265 |
| History by Letter - J | 0 | - | 4.51 | 154,633 |
| History by Letter - N | 0 | - | 4.45 | 104,459 |
| History by Letter - S | 0 | - | 4.47 | 94,753 |
| History by Letter - W | 0 | - | 4.45 | 109,973 |
| History by Letter - M | 0 | - | 4.54 | 120,277 |
| History by Letter - K | 0 | - | 4.50 | 101,752 |
| History by Letter - L | 0 | - | 4.50 | 112,526 |
| History by Letter - I | 0 | - | 4.46 | 104,787 |
| Authors of Children's Books | 0 | - | 4.24 | 20,028 |
| Books by City | 0 | - | 4.04 | 14,312 |
| Word Puzzles - Book Titles #1 | 0 | - | 4.41 | 27,604 |
| Dewey Decimal System | 0 | - | 4.28 | 13,601 |
| Authors by Country | 0 | - | 4.40 | 32,247 |
| Nonfiction Books Quiz | 0 | - | 4.44 | 22,676 |
| 1984 the Book | 0 | - | 4.61 | 21,082 |
| Winnie-the-Pooh Characters | 0 | - | 4.46 | 28,652 |
| Nursery Rhymes Fill in the Blank | 0 | - | 4.14 | 40,517 |
| Countries by Military Spending | 0 | - | 4.93 | 178,647 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 121,359 |
| "Of Something" Book Titles | 0 | - | 4.45 | 48,197 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,321,919 |
| Animals that Start with L | 0 | - | 4.47 | 102,315 |
| Animals that Start with P | 0 | - | 4.45 | 86,364 |
| Animals that Start with S | 0 | - | 4.49 | 87,562 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 90,841 |
| Geography by Letter on the World Map - C | 0 | - | 4.77 | 118,242 |
| World Cities A-Z by Clue #1 | 0 | - | 4.51 | 68,541 |
| Islands A-Z | 0 | - | 4.46 | 126,422 |
| World Cities A-Z by Clue #2 | 0 | - | 4.41 | 59,389 |
| Human Body A-Z | 0 | - | 4.51 | 129,478 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 42,763 |
| Africa A-Z | 0 | - | 4.57 | 46,724 |
| Ethnic Groups A-Z | 0 | - | 4.51 | 42,422 |
| People in History A-Z #1 | 0 | - | 4.63 | 99,527 |
| People in History A-Z #2 | 0 | - | 4.47 | 55,355 |
| People in History A-Z #3 | 0 | - | 4.44 | 46,356 |
| Books by Clue #2 | 0 | - | 4.43 | 26,744 |
| Sci-Fi and Fantasy Authors | 0 | - | 4.43 | 17,381 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,388 |
| Brand Logos That Start With D | 0 | - | 4.36 | 61,928 |
| Brand Logos That Start With C | 0 | - | 4.20 | 49,944 |
| Brand Logos That Start With L | 0 | - | 4.39 | 61,612 |
| Brand Logos That Start With M | 0 | - | 4.38 | 63,236 |
| Brand Logos That Start With S | 0 | - | 4.37 | 58,016 |
| Disney A-Z | 0 | - | 4.37 | 87,362 |
| Companies A-Z | 0 | - | 4.30 | 42,745 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,697 |
| Geography by Letter - G | 0 | - | 4.33 | 126,799 |
| Geography by Letter - F | 0 | - | 4.28 | 138,516 |
| Geography by Letter - J | 0 | - | 4.35 | 123,394 |
| Geography by Letter - O | 0 | - | 4.37 | 130,223 |
| Geography by Letter - V | 0 | - | 4.39 | 122,273 |
| Geography by Letter - W | 0 | - | 4.39 | 115,247 |
| Geography by Letter - Y | 0 | - | 4.39 | 111,941 |
| Geography by Letter - Z | 0 | - | 4.11 | 81,980 |
| Geography by Letter - Q | 0 | - | 4.38 | 69,867 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.15 | 35,337 |
| Video Games A-Z | 0 | - | 4.05 | 39,149 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,345 |
| Movies that Start with A | 0 | - | 4.13 | 62,055 |
| Movies that Start with C | 0 | - | 4.30 | 62,046 |
| Movies that Start with B | 0 | - | 4.36 | 85,608 |
| Movies that Start with D | 0 | - | 4.34 | 68,594 |
| Movies that Start with E | 0 | - | 4.13 | 68,530 |
| Movies that Start with J | 0 | - | 4.18 | 76,340 |
| Movies that Start with L | 0 | - | 4.16 | 60,542 |
| Movies that Start with M | 0 | - | 4.28 | 48,345 |
| Movies that Start with N | 0 | - | 4.02 | 41,345 |
| Movies that Start with P | 0 | - | 4.25 | 54,244 |
| Movies that Start with R | 0 | - | 4.17 | 46,754 |
| Movies that Start with W | 0 | - | 4.07 | 44,338 |
| Movies that Start with T | 0 | - | 4.34 | 49,410 |
| Movies that Start with S | 0 | - | 4.35 | 56,584 |
| Movies that Start with F | 0 | - | 4.13 | 69,014 |
| History by Letter - D | 0 | - | 4.40 | 138,296 |
| History by Letter - F | 0 | - | 4.18 | 114,853 |
| History by Letter - O | 0 | - | 4.32 | 99,849 |
| History by Letter - P | 0 | - | 4.36 | 108,219 |
| History by Letter - Q | 0 | - | 4.34 | 80,603 |
| History by Letter - R | 0 | - | 4.26 | 122,572 |
| History by Letter - T | 0 | - | 4.39 | 105,607 |
| History by Letter - U | 0 | - | 4.19 | 101,124 |
| History by Letter - V | 0 | - | 4.27 | 81,049 |
| History by Letter - Y | 0 | - | 4.27 | 87,564 |
| History by Letter - Z | 0 | - | 4.20 | 77,302 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,302 |
| Music by Letter - F | 0 | - | 4.47 | 27,081 |
| Music by Letter - A | 0 | - | 4.61 | 31,476 |
| Word Puzzles - Book Titles #2 | 0 | - | 4.38 | 21,908 |
| Famous Literature Fractured | 0 | - | 4.05 | 9,772 |
| The 100 Greatest Novels | 0 | - | 3.74 | 41,879 |
| Bestselling Authors | 0 | - | 4.10 | 19,007 |
| Characters from Books #2 | 0 | - | 4.42 | 80,046 |
| Nursery Rhymes #2 | 0 | - | 4.22 | 15,486 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 157,994 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 67,324 |
| Middle East A-Z | 0 | - | 4.47 | 46,192 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.46 | 44,468 |
| 20th Century A-Z | 0 | - | 4.50 | 53,884 |
| 19th Century A-Z | 0 | - | 4.77 | 47,404 |
| 18th Century A-Z | 0 | - | 4.54 | 43,258 |
| Modern Library's 100 Best Novels | 0 | - | 3.93 | 11,496 |
| Books by Clue #1 | 0 | - | 4.36 | 25,821 |
| Literary Groups of Things | 0 | - | 4.27 | 30,685 |
| 5-Letter Literature Chain | 0 | - | 4.29 | 54,914 |
| 4-Letter Literature Chain | 0 | - | 4.39 | 42,465 |
| Hunger Games Trivia | 0 | - | 4.22 | 53,454 |
| The Hunger Games Districts Quiz | 0 | - | 4.21 | 31,912 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 92,500 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 182,598 |
| Star Wars A-Z | 0 | - | 4.46 | 88,571 |
| Monarchies of the World | 0 | - | 4.94 | 169,605 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.92 | 113,521 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 112,777 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 114,929 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 75,448 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.80 | 804,004 |
| Astronomy Quiz | 0 | - | 4.90 | 82,984 |
| Google What's the Difference? - Animals | 0 | - | 4.93 | 92,957 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.91 | 66,022 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,731 |
| Musical Acts by Letter - J | 0 | - | 4.17 | 77,618 |
| Musical Acts by Letter - M | 0 | - | 4.15 | 93,641 |
