| Classic Novels by Plot #2 | 0 | - | 4.87 | 37,518 |
| Literature by Letter - A | 0 | - | 4.23 | 31,761 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,067 |
| Literature by Letter - D | 0 | - | 4.30 | 20,461 |
| Literature by Letter - C | 0 | - | 4.34 | 26,387 |
| Literature by Letter - F | 0 | - | 4.25 | 17,084 |
| Literature by Letter - H | 0 | - | 4.23 | 18,003 |
| Literature by Letter - I | 0 | - | 4.25 | 15,146 |
| Literature by Letter - L | 0 | - | 4.32 | 23,141 |
| Literature by Letter - M | 0 | - | 4.16 | 18,543 |
| Literature by Letter - P | 0 | - | 4.16 | 16,672 |
| Literature by Letter - O | 0 | - | 4.30 | 13,469 |
| Literature by Letter - J | 0 | - | 4.23 | 14,747 |
| Literature by Letter - N | 0 | - | 4.24 | 14,239 |
| Literature by Letter - K | 0 | - | 4.13 | 12,228 |
| Literature by Letter - R | 0 | - | 4.06 | 11,824 |
| Literature by Letter - T | 0 | - | 4.37 | 18,491 |
| Literature by Letter - U | 0 | - | 4.20 | 13,040 |
| Literature by Letter - V | 0 | - | 4.06 | 11,677 |
| Literature by Letter - W | 0 | - | 4.15 | 13,430 |
| Geography by Letter - T | 0 | - | 4.84 | 152,428 |
| Authors with Books Turned into Movies | 0 | - | 4.44 | 62,630 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.89 | 81,272 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 106,906 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 152,735 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 193,942 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 169,396 |
| Biggest Countries by Area A-Z | 0 | - | 4.95 | 190,752 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 299,394 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 179,383 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,153 |
| Famous Literary Characters | 0 | - | 4.38 | 36,320 |
| Charlie and the Chocolate Factory | 0 | - | 4.43 | 16,163 |
| Literature Multiple Choice #1 | 0 | - | 4.50 | 40,590 |
| Literature Multiple Choice #2 | 0 | - | 4.44 | 34,344 |
| Books by Plot Description | 0 | - | 4.54 | 26,394 |
| Classic Novels by Plot #1 | 0 | - | 4.40 | 73,146 |
| Who Wrote That Book #2 | 0 | - | 4.47 | 47,768 |
| 100 Books You Can't Do Without | 0 | - | 4.48 | 63,334 |
| Who Wrote That Book #1 | 0 | - | 4.47 | 103,010 |
| Literature by Letter - G | 0 | - | 3.91 | 14,458 |
| Literature by Letter - S | 0 | - | 3.94 | 11,824 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 234,846 |
| Name an Official Language A-Z | 0 | - | 4.91 | 174,768 |
| Book Titles by Synonyms #1 | 0 | - | 4.61 | 75,618 |
| Ultimate Percy Jackson Characters Quiz | 0 | - | 4.45 | 44,988 |
| NATO Military Alphabet | 0 | - | 4.98 | 554,212 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.81 | 797,882 |
| Geography by Letter - A | 0 | - | 4.74 | 210,113 |
| Geography by Letter - B | 0 | - | 4.56 | 183,270 |
| Geography by Letter - H | 0 | - | 4.69 | 149,292 |
| Geography by Letter - C | 0 | - | 4.47 | 157,567 |
| Geography by Letter - D | 0 | - | 4.50 | 149,505 |
| Geography by Letter - E | 0 | - | 4.42 | 146,655 |
| Geography by Letter - I | 0 | - | 4.42 | 121,209 |
| Geography by Letter - K | 0 | - | 4.53 | 117,334 |
| Geography by Letter - L | 0 | - | 4.43 | 147,624 |
| Geography by Letter - M | 0 | - | 4.49 | 117,634 |
| Geography by Letter - N | 0 | - | 4.51 | 126,239 |
| Geography by Letter - P | 0 | - | 4.47 | 175,151 |
| Geography by Letter - R | 0 | - | 4.43 | 130,339 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 139,613 |
| Geography by Letter - U | 0 | - | 4.54 | 142,066 |
| Asian Geography By Letter - K | 0 | - | 4.74 | 57,981 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,067 |
| Geography A-Z #2 | 0 | - | 4.46 | 52,690 |
| Geography A-Z #5 | 0 | - | 4.47 | 37,190 |
| Empires A-Z | 0 | - | 4.51 | 44,821 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,338 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 124,910 |
| Movies that Start with G | 0 | - | 4.48 | 68,245 |
| Movies that Start with I | 0 | - | 4.41 | 64,884 |
| History by Letter - A | 0 | - | 4.51 | 152,118 |
| History by Letter - B | 0 | - | 4.45 | 171,264 |
| History by Letter - C | 0 | - | 4.69 | 170,322 |
| History by Letter - E | 0 | - | 4.51 | 139,849 |
| History by Letter - G | 0 | - | 4.45 | 121,450 |
| History by Letter - H | 0 | - | 4.45 | 135,870 |
| History by Letter - J | 0 | - | 4.51 | 153,246 |
| History by Letter - N | 0 | - | 4.44 | 103,390 |
| History by Letter - S | 0 | - | 4.47 | 93,676 |
| History by Letter - W | 0 | - | 4.45 | 108,736 |
| History by Letter - M | 0 | - | 4.54 | 119,102 |
| History by Letter - K | 0 | - | 4.50 | 100,822 |
| History by Letter - L | 0 | - | 4.49 | 111,508 |
| History by Letter - I | 0 | - | 4.46 | 103,686 |
| Brand Logos That Start with A | 0 | - | 4.51 | 69,260 |
| Brand Logos That Start With B | 0 | - | 4.41 | 59,194 |
| Brand Logos That Start With M | 0 | - | 4.45 | 61,766 |
| Authors of Children's Books | 0 | - | 4.23 | 19,951 |
| Books by City | 0 | - | 4.04 | 14,198 |
| Word Puzzles - Book Titles #1 | 0 | - | 4.41 | 27,429 |
| Dewey Decimal System | 0 | - | 4.28 | 13,540 |
| Authors by Country | 0 | - | 4.40 | 32,089 |
| Nonfiction Books Quiz | 0 | - | 4.44 | 22,482 |
| 1984 the Book | 0 | - | 4.61 | 20,956 |
| Winnie-the-Pooh Characters | 0 | - | 4.46 | 28,556 |
| Nursery Rhymes Fill in the Blank | 0 | - | 4.14 | 40,385 |
| Countries by Military Spending | 0 | - | 4.93 | 176,402 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 119,703 |
| "Of Something" Book Titles | 0 | - | 4.45 | 47,941 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,304,899 |
| Animals that Start with L | 0 | - | 4.47 | 101,272 |
| Animals that Start with P | 0 | - | 4.45 | 85,652 |
| Animals that Start with S | 0 | - | 4.49 | 86,826 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 89,636 |
| Geography by Letter on the World Map - C | 0 | - | 4.78 | 116,594 |
| World Cities A-Z by Clue #1 | 0 | - | 4.55 | 65,997 |
| Islands A-Z | 0 | - | 4.46 | 116,764 |
| World Cities A-Z by Clue #2 | 0 | - | 4.45 | 57,488 |
| Human Body A-Z | 0 | - | 4.51 | 128,402 |
| Asian Cities A-Z by Clue | 0 | - | 4.53 | 34,244 |
| Animals A-Z #1 | 0 | - | 4.41 | 92,812 |
| Africa A-Z | 0 | - | 4.57 | 46,372 |
| Ethnic Groups A-Z | 0 | - | 4.50 | 42,049 |
| People in History A-Z #1 | 0 | - | 4.63 | 98,600 |
| People in History A-Z #2 | 0 | - | 4.47 | 54,819 |
| People in History A-Z #3 | 0 | - | 4.44 | 45,960 |
| Books by Clue #2 | 0 | - | 4.43 | 26,604 |
| Disney A-Z | 0 | - | 4.37 | 86,507 |
| Companies A-Z | 0 | - | 4.30 | 42,610 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,482 |
| Religion A-Z #2 | 0 | - | 4.40 | 36,813 |
| Geography by Letter - G | 0 | - | 4.35 | 125,479 |
| Geography by Letter - F | 0 | - | 4.27 | 137,055 |
| Geography by Letter - J | 0 | - | 4.34 | 122,165 |
| Geography by Letter - O | 0 | - | 4.37 | 128,989 |
| Geography by Letter - V | 0 | - | 4.39 | 120,887 |
| Geography by Letter - W | 0 | - | 4.39 | 114,195 |
| Geography by Letter - Y | 0 | - | 4.39 | 110,662 |
| Geography by Letter - Z | 0 | - | 4.11 | 81,030 |
| Geography by Letter - Q | 0 | - | 4.38 | 68,877 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.18 | 35,109 |
| Video Games A-Z | 0 | - | 4.08 | 38,692 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,078 |
| Movies that Start with A | 0 | - | 4.13 | 61,636 |
| Movies that Start with C | 0 | - | 4.30 | 61,575 |
| Movies that Start with B | 0 | - | 4.35 | 84,911 |
| Movies that Start with D | 0 | - | 4.34 | 68,219 |
| Movies that Start with E | 0 | - | 4.13 | 68,166 |
| Movies that Start with J | 0 | - | 4.18 | 75,916 |
| Movies that Start with L | 0 | - | 4.16 | 60,220 |
| Movies that Start with M | 0 | - | 4.28 | 48,059 |
| Movies that Start with N | 0 | - | 4.02 | 41,103 |
| Movies that Start with P | 0 | - | 4.25 | 53,998 |
| Movies that Start with R | 0 | - | 4.17 | 46,439 |
| Movies that Start with W | 0 | - | 4.07 | 44,132 |
| Movies that Start with T | 0 | - | 4.33 | 49,109 |
| Movies that Start with S | 0 | - | 4.35 | 56,266 |
| Movies that Start with F | 0 | - | 4.13 | 68,635 |
| History by Letter - D | 0 | - | 4.39 | 136,882 |
| History by Letter - F | 0 | - | 4.18 | 113,690 |
| History by Letter - O | 0 | - | 4.31 | 99,053 |
| History by Letter - P | 0 | - | 4.38 | 107,347 |
| History by Letter - Q | 0 | - | 4.34 | 79,977 |
| History by Letter - R | 0 | - | 4.26 | 121,654 |
| History by Letter - T | 0 | - | 4.39 | 104,873 |
| History by Letter - U | 0 | - | 4.19 | 100,253 |
| History by Letter - V | 0 | - | 4.27 | 80,366 |
| History by Letter - Y | 0 | - | 4.27 | 86,934 |
| History by Letter - Z | 0 | - | 4.18 | 76,743 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,117 |
| Music by Letter - F | 0 | - | 4.48 | 26,828 |
| Music by Letter - A | 0 | - | 4.61 | 31,191 |
| Brand Logos That Start With D | 0 | - | 4.37 | 60,667 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,011 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,187 |
| Brand Logos That Start With S | 0 | - | 4.37 | 56,711 |
| Word Puzzles - Book Titles #2 | 0 | - | 4.38 | 21,784 |
| Famous Literature Fractured | 0 | - | 4.04 | 9,669 |
| The 100 Greatest Novels | 0 | - | 3.71 | 41,665 |
| Bestselling Authors | 0 | - | 4.10 | 18,817 |
| Characters from Books #2 | 0 | - | 4.42 | 79,525 |
| Nursery Rhymes #2 | 0 | - | 4.22 | 15,423 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 155,807 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 66,842 |
| Middle East A-Z | 0 | - | 4.47 | 45,789 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,150 |
| 20th Century A-Z | 0 | - | 4.50 | 53,168 |
| 19th Century A-Z | 0 | - | 4.77 | 46,739 |
| 18th Century A-Z | 0 | - | 4.54 | 42,649 |
| Modern Library's 100 Best Novels | 0 | - | 3.93 | 11,396 |
| Books by Clue #1 | 0 | - | 4.36 | 25,707 |
| Literary Groups of Things | 0 | - | 4.26 | 30,536 |
| 5-Letter Literature Chain | 0 | - | 4.29 | 54,619 |
| 4-Letter Literature Chain | 0 | - | 4.39 | 42,232 |
| Sci-Fi and Fantasy Authors | 0 | - | 4.37 | 14,233 |
| Hunger Games Trivia | 0 | - | 4.22 | 52,862 |
| The Hunger Games Districts Quiz | 0 | - | 4.21 | 31,669 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 85,086 |
| Star Wars A-Z | 0 | - | 4.46 | 87,180 |
| Monarchies of the World | 0 | - | 4.94 | 166,610 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.91 | 111,544 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 110,932 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 113,459 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 74,666 |
| Astronomy Quiz | 0 | - | 4.89 | 81,703 |
| Google What's the Difference? - Animals | 0 | - | 4.93 | 92,426 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.89 | 65,167 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,735 |
