| Classic Novels by Plot #2 | 0 | - | 4.87 | 37,386 |
| Literature by Letter - A | 0 | - | 4.23 | 31,732 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,055 |
| Literature by Letter - D | 0 | - | 4.30 | 20,437 |
| Literature by Letter - C | 0 | - | 4.34 | 26,362 |
| Literature by Letter - F | 0 | - | 4.25 | 17,062 |
| Literature by Letter - E | 0 | - | 4.03 | 14,950 |
| Literature by Letter - H | 0 | - | 4.23 | 17,981 |
| Literature by Letter - I | 0 | - | 4.25 | 15,126 |
| Literature by Letter - M | 0 | - | 4.16 | 18,526 |
| Literature by Letter - P | 0 | - | 4.16 | 16,656 |
| Literature by Letter - O | 0 | - | 4.30 | 13,455 |
| Literature by Letter - J | 0 | - | 4.23 | 14,729 |
| Literature by Letter - N | 0 | - | 4.24 | 14,229 |
| Literature by Letter - K | 0 | - | 4.13 | 12,212 |
| Literature by Letter - R | 0 | - | 4.06 | 11,811 |
| Literature by Letter - T | 0 | - | 4.37 | 18,476 |
| Literature by Letter - U | 0 | - | 4.20 | 13,029 |
| Literature by Letter - V | 0 | - | 4.06 | 11,661 |
| Literature by Letter - W | 0 | - | 4.15 | 13,416 |
| Geography by Letter - T | 0 | - | 4.84 | 152,145 |
| Authors with Books Turned into Movies | 0 | - | 4.44 | 62,543 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.89 | 81,135 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 106,770 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 152,630 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 193,757 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 169,296 |
| Biggest Countries by Area A-Z | 0 | - | 4.95 | 190,550 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 299,234 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 179,249 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.82 | 72,042 |
| Famous Literary Characters | 0 | - | 4.38 | 36,233 |
| Charlie and the Chocolate Factory | 0 | - | 4.43 | 16,120 |
| Literature Multiple Choice #1 | 0 | - | 4.50 | 40,534 |
| Literature Multiple Choice #2 | 0 | - | 4.44 | 34,302 |
| Books by Plot Description | 0 | - | 4.54 | 26,294 |
| Classic Novels by Plot #1 | 0 | - | 4.40 | 73,040 |
| Who Wrote That Book #2 | 0 | - | 4.47 | 47,686 |
| 100 Books You Can't Do Without | 0 | - | 4.46 | 60,640 |
| Who Wrote That Book #1 | 0 | - | 4.47 | 102,906 |
| Literature by Letter - G | 0 | - | 3.91 | 14,441 |
| Literature by Letter - S | 0 | - | 3.94 | 11,812 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 234,548 |
| Name an Official Language A-Z | 0 | - | 4.90 | 174,561 |
| Book Titles by Synonyms #1 | 0 | - | 4.61 | 75,572 |
| Ultimate Percy Jackson Characters Quiz | 0 | - | 4.45 | 44,953 |
| NATO Military Alphabet | 0 | - | 4.98 | 553,336 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.81 | 797,305 |
| Geography by Letter - A | 0 | - | 4.74 | 209,897 |
| Geography by Letter - B | 0 | - | 4.56 | 183,073 |
| Geography by Letter - H | 0 | - | 4.69 | 149,132 |
| Geography by Letter - C | 0 | - | 4.47 | 157,393 |
| Geography by Letter - D | 0 | - | 4.50 | 149,342 |
| Geography by Letter - E | 0 | - | 4.42 | 146,517 |
| Geography by Letter - I | 0 | - | 4.42 | 121,073 |
| Geography by Letter - K | 0 | - | 4.53 | 117,207 |
| Geography by Letter - L | 0 | - | 4.43 | 147,475 |
| Geography by Letter - M | 0 | - | 4.49 | 117,489 |
| Geography by Letter - N | 0 | - | 4.51 | 126,106 |
| Geography by Letter - P | 0 | - | 4.47 | 174,993 |
| Geography by Letter - R | 0 | - | 4.43 | 130,142 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 139,219 |
| Geography by Letter - U | 0 | - | 4.54 | 141,896 |
| Asian Geography By Letter - K | 0 | - | 4.74 | 57,937 |
| A to Z: Musical Terms | 0 | - | 4.43 | 40,969 |
| Geography A-Z #2 | 0 | - | 4.46 | 52,654 |
| Geography A-Z #5 | 0 | - | 4.47 | 37,161 |
| Empires A-Z | 0 | - | 4.51 | 44,757 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,295 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 124,831 |
| Movies that Start with G | 0 | - | 4.48 | 68,204 |
| Movies that Start with I | 0 | - | 4.41 | 64,840 |
| History by Letter - A | 0 | - | 4.51 | 151,973 |
| History by Letter - B | 0 | - | 4.45 | 171,113 |
| History by Letter - C | 0 | - | 4.69 | 170,126 |
| History by Letter - E | 0 | - | 4.51 | 139,714 |
| History by Letter - G | 0 | - | 4.45 | 121,334 |
| History by Letter - H | 0 | - | 4.45 | 135,748 |
| History by Letter - J | 0 | - | 4.51 | 153,109 |
| History by Letter - N | 0 | - | 4.44 | 103,302 |
| History by Letter - S | 0 | - | 4.47 | 93,575 |
| History by Letter - W | 0 | - | 4.45 | 108,627 |
| History by Letter - M | 0 | - | 4.54 | 118,994 |
| History by Letter - K | 0 | - | 4.50 | 100,745 |
| History by Letter - L | 0 | - | 4.49 | 111,418 |
| History by Letter - I | 0 | - | 4.46 | 103,590 |
| Brand Logos That Start with A | 0 | - | 4.51 | 69,114 |
| Brand Logos That Start With B | 0 | - | 4.41 | 59,072 |
| Brand Logos That Start With M | 0 | - | 4.45 | 61,624 |
| Authors of Children's Books | 0 | - | 4.23 | 19,934 |
| Books by City | 0 | - | 4.04 | 14,179 |
| Word Puzzles - Book Titles #1 | 0 | - | 4.41 | 27,412 |
| Dewey Decimal System | 0 | - | 4.28 | 13,536 |
| Authors by Country | 0 | - | 4.40 | 32,065 |
| Nonfiction Books Quiz | 0 | - | 4.44 | 22,414 |
| 1984 the Book | 0 | - | 4.61 | 20,943 |
| Winnie-the-Pooh Characters | 0 | - | 4.46 | 28,545 |
| Nursery Rhymes Fill in the Blank | 0 | - | 4.14 | 40,371 |
| Countries by Military Spending | 0 | - | 4.93 | 176,227 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 119,553 |
| "Of Something" Book Titles | 0 | - | 4.45 | 47,904 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,303,253 |
| Animals that Start with L | 0 | - | 4.47 | 101,188 |
| Animals that Start with P | 0 | - | 4.45 | 85,587 |
| Animals that Start with S | 0 | - | 4.49 | 86,757 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 89,525 |
| Geography by Letter on the World Map - C | 0 | - | 4.78 | 116,474 |
| World Cities A-Z by Clue #1 | 0 | - | 4.61 | 63,798 |
| Islands A-Z | 0 | - | 4.46 | 116,637 |
| World Cities A-Z by Clue #2 | 0 | - | 4.43 | 55,629 |
| Human Body A-Z | 0 | - | 4.51 | 128,177 |
| Asian Cities A-Z by Clue | 0 | - | 4.53 | 32,757 |
| Animals A-Z #1 | 0 | - | 4.41 | 92,747 |
| Africa A-Z | 0 | - | 4.57 | 46,342 |
| Ethnic Groups A-Z | 0 | - | 4.50 | 42,013 |
| People in History A-Z #1 | 0 | - | 4.63 | 98,516 |
| People in History A-Z #2 | 0 | - | 4.47 | 54,761 |
| People in History A-Z #3 | 0 | - | 4.44 | 45,924 |
| Books by Clue #2 | 0 | - | 4.43 | 26,586 |
| Disney A-Z | 0 | - | 4.37 | 86,052 |
| Companies A-Z | 0 | - | 4.30 | 42,598 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,459 |
| Religion A-Z #2 | 0 | - | 4.40 | 36,785 |
| Geography by Letter - G | 0 | - | 4.35 | 125,347 |
| Geography by Letter - F | 0 | - | 4.27 | 136,921 |
| Geography by Letter - J | 0 | - | 4.34 | 122,047 |
| Geography by Letter - O | 0 | - | 4.37 | 128,862 |
| Geography by Letter - V | 0 | - | 4.39 | 120,397 |
| Geography by Letter - W | 0 | - | 4.39 | 114,061 |
| Geography by Letter - Y | 0 | - | 4.39 | 110,528 |
| Geography by Letter - Z | 0 | - | 4.11 | 80,911 |
| Geography by Letter - Q | 0 | - | 4.38 | 68,769 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.18 | 35,096 |
| Video Games A-Z | 0 | - | 4.08 | 38,640 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,045 |
| Movies that Start with A | 0 | - | 4.13 | 61,597 |
| Movies that Start with C | 0 | - | 4.30 | 61,527 |
| Movies that Start with B | 0 | - | 4.35 | 84,854 |
| Movies that Start with D | 0 | - | 4.34 | 68,186 |
| Movies that Start with E | 0 | - | 4.13 | 68,130 |
| Movies that Start with J | 0 | - | 4.18 | 75,877 |
| Movies that Start with L | 0 | - | 4.16 | 60,188 |
| Movies that Start with M | 0 | - | 4.28 | 48,028 |
| Movies that Start with N | 0 | - | 4.02 | 41,079 |
| Movies that Start with P | 0 | - | 4.25 | 53,964 |
| Movies that Start with R | 0 | - | 4.17 | 46,404 |
| Movies that Start with W | 0 | - | 4.07 | 44,104 |
| Movies that Start with T | 0 | - | 4.33 | 49,071 |
| Movies that Start with S | 0 | - | 4.35 | 56,226 |
| Movies that Start with F | 0 | - | 4.13 | 68,599 |
| History by Letter - D | 0 | - | 4.39 | 136,777 |
| History by Letter - F | 0 | - | 4.18 | 113,601 |
| History by Letter - O | 0 | - | 4.31 | 98,978 |
| History by Letter - P | 0 | - | 4.38 | 107,248 |
| History by Letter - Q | 0 | - | 4.34 | 79,912 |
| History by Letter - R | 0 | - | 4.26 | 121,555 |
| History by Letter - T | 0 | - | 4.39 | 104,618 |
| History by Letter - U | 0 | - | 4.19 | 100,149 |
| History by Letter - V | 0 | - | 4.27 | 80,292 |
| History by Letter - Y | 0 | - | 4.27 | 86,865 |
| History by Letter - Z | 0 | - | 4.18 | 76,677 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,095 |
| Music by Letter - F | 0 | - | 4.48 | 26,768 |
| Music by Letter - A | 0 | - | 4.61 | 31,148 |
| Brand Logos That Start With D | 0 | - | 4.37 | 60,535 |
| Brand Logos That Start With C | 0 | - | 4.17 | 48,942 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,054 |
| Brand Logos That Start With S | 0 | - | 4.37 | 56,560 |
| Word Puzzles - Book Titles #2 | 0 | - | 4.38 | 21,768 |
| Famous Literature Fractured | 0 | - | 4.04 | 9,656 |
| The 100 Greatest Novels | 0 | - | 3.71 | 41,627 |
| Bestselling Authors | 0 | - | 4.10 | 18,772 |
| Characters from Books #2 | 0 | - | 4.42 | 79,463 |
| Nursery Rhymes #2 | 0 | - | 4.22 | 15,416 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 155,625 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 66,791 |
| Middle East A-Z | 0 | - | 4.46 | 45,742 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,112 |
| 20th Century A-Z | 0 | - | 4.50 | 53,113 |
| 19th Century A-Z | 0 | - | 4.77 | 46,698 |
| 18th Century A-Z | 0 | - | 4.54 | 42,612 |
| Modern Library's 100 Best Novels | 0 | - | 3.93 | 11,385 |
| Books by Clue #1 | 0 | - | 4.36 | 25,690 |
| Literary Groups of Things | 0 | - | 4.26 | 30,522 |
| 5-Letter Literature Chain | 0 | - | 4.29 | 54,576 |
| 4-Letter Literature Chain | 0 | - | 4.39 | 42,208 |
| Sci-Fi and Fantasy Authors | 0 | - | 4.37 | 14,218 |
| Hunger Games Trivia | 0 | - | 4.22 | 52,810 |
| The Hunger Games Districts Quiz | 0 | - | 4.21 | 31,642 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 84,988 |
| Star Wars A-Z | 0 | - | 4.46 | 87,055 |
| Monarchies of the World | 0 | - | 4.94 | 166,357 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.91 | 111,387 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 110,795 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 113,312 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 74,593 |
| Astronomy Quiz | 0 | - | 4.89 | 81,566 |
| Google What's the Difference? - Animals | 0 | - | 4.93 | 92,350 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.89 | 65,080 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,631 |
