| Classic Novels by Plot #2 | 0 | - | 4.87 | 37,954 |
| Literature by Letter - A | 0 | - | 4.23 | 32,003 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,216 |
| Literature by Letter - D | 0 | - | 4.30 | 20,679 |
| Literature by Letter - C | 0 | - | 4.34 | 26,611 |
| Literature by Letter - F | 0 | - | 4.26 | 17,267 |
| Literature by Letter - E | 0 | - | 4.03 | 15,173 |
| Literature by Letter - H | 0 | - | 4.28 | 19,386 |
| Literature by Letter - I | 0 | - | 4.25 | 15,316 |
| Literature by Letter - L | 0 | - | 4.32 | 23,298 |
| Literature by Letter - M | 0 | - | 4.18 | 18,703 |
| Literature by Letter - P | 0 | - | 4.18 | 16,831 |
| Literature by Letter - O | 0 | - | 4.30 | 13,607 |
| Literature by Letter - J | 0 | - | 4.23 | 14,929 |
| Literature by Letter - N | 0 | - | 4.24 | 14,394 |
| Literature by Letter - K | 0 | - | 4.13 | 12,393 |
| Literature by Letter - R | 0 | - | 4.06 | 11,990 |
| Literature by Letter - U | 0 | - | 4.20 | 13,184 |
| Literature by Letter - V | 0 | - | 4.06 | 11,820 |
| Literature by Letter - W | 0 | - | 4.15 | 13,573 |
| Geography by Letter - T | 0 | - | 4.84 | 153,808 |
| Authors with Books Turned into Movies | 0 | - | 4.45 | 62,877 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.89 | 82,131 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 107,830 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 153,274 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 195,232 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 169,966 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 191,871 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 300,344 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 180,298 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,668 |
| Famous Literary Characters | 0 | - | 4.38 | 36,513 |
| Charlie and the Chocolate Factory | 0 | - | 4.43 | 16,252 |
| Literature Multiple Choice #1 | 0 | - | 4.51 | 40,812 |
| Literature Multiple Choice #2 | 0 | - | 4.45 | 34,514 |
| Books by Plot Description | 0 | - | 4.55 | 26,654 |
| Classic Novels by Plot #1 | 0 | - | 4.40 | 73,468 |
| Who Wrote That Book #2 | 0 | - | 4.47 | 47,912 |
| 100 Books You Can't Do Without | 0 | - | 4.49 | 64,096 |
| Who Wrote That Book #1 | 0 | - | 4.47 | 103,233 |
| Literature by Letter - G | 0 | - | 3.91 | 14,634 |
| Literature by Letter - S | 0 | - | 3.94 | 11,991 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 236,469 |
| Name an Official Language A-Z | 0 | - | 4.91 | 175,790 |
| Book Titles by Synonyms #1 | 0 | - | 4.54 | 75,831 |
| Ultimate Percy Jackson Characters Quiz | 0 | - | 4.49 | 45,161 |
| NATO Military Alphabet | 0 | - | 4.98 | 558,833 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.81 | 801,610 |
| Religion A-Z #2 | 0 | - | 4.41 | 36,976 |
| Geography by Letter - A | 0 | - | 4.74 | 211,548 |
| Geography by Letter - B | 0 | - | 4.56 | 184,595 |
| Geography by Letter - H | 0 | - | 4.69 | 150,309 |
| Geography by Letter - C | 0 | - | 4.47 | 158,685 |
| Geography by Letter - D | 0 | - | 4.50 | 150,514 |
| Geography by Letter - E | 0 | - | 4.42 | 147,596 |
| Geography by Letter - I | 0 | - | 4.42 | 122,009 |
| Geography by Letter - K | 0 | - | 4.53 | 118,357 |
| Geography by Letter - L | 0 | - | 4.43 | 148,518 |
| Geography by Letter - M | 0 | - | 4.49 | 118,641 |
| Geography by Letter - N | 0 | - | 4.51 | 127,199 |
| Geography by Letter - P | 0 | - | 4.47 | 176,017 |
| Geography by Letter - R | 0 | - | 4.43 | 131,605 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 140,538 |
| Geography by Letter - U | 0 | - | 4.53 | 143,071 |
| Asian Geography By Letter - K | 0 | - | 4.74 | 58,135 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,295 |
| Geography A-Z #2 | 0 | - | 4.46 | 52,889 |
| Geography A-Z #5 | 0 | - | 4.44 | 37,345 |
| Empires A-Z | 0 | - | 4.52 | 45,115 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,560 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,182 |
| Movies that Start with G | 0 | - | 4.49 | 68,489 |
| Movies that Start with I | 0 | - | 4.41 | 65,128 |
| History by Letter - A | 0 | - | 4.51 | 152,942 |
| History by Letter - B | 0 | - | 4.45 | 172,197 |
| History by Letter - C | 0 | - | 4.70 | 171,477 |
| History by Letter - E | 0 | - | 4.51 | 140,609 |
| History by Letter - G | 0 | - | 4.46 | 122,121 |
| History by Letter - H | 0 | - | 4.45 | 136,605 |
| History by Letter - J | 0 | - | 4.51 | 154,019 |
| History by Letter - N | 0 | - | 4.45 | 104,080 |
| History by Letter - S | 0 | - | 4.47 | 94,376 |
| History by Letter - W | 0 | - | 4.45 | 109,535 |
| History by Letter - M | 0 | - | 4.54 | 119,844 |
| History by Letter - K | 0 | - | 4.50 | 101,365 |
| History by Letter - L | 0 | - | 4.50 | 112,080 |
| History by Letter - I | 0 | - | 4.46 | 104,227 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,135 |
| Brand Logos That Start With M | 0 | - | 4.45 | 62,631 |
| Authors of Children's Books | 0 | - | 4.23 | 19,983 |
| Books by City | 0 | - | 4.04 | 14,253 |
| Word Puzzles - Book Titles #1 | 0 | - | 4.41 | 27,541 |
| Dewey Decimal System | 0 | - | 4.28 | 13,577 |
| Authors by Country | 0 | - | 4.40 | 32,166 |
| Nonfiction Books Quiz | 0 | - | 4.44 | 22,560 |
| 1984 the Book | 0 | - | 4.61 | 21,020 |
| Winnie-the-Pooh Characters | 0 | - | 4.46 | 28,609 |
| Nursery Rhymes Fill in the Blank | 0 | - | 4.14 | 40,467 |
| Countries by Military Spending | 0 | - | 4.93 | 177,463 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 120,497 |
| "Of Something" Book Titles | 0 | - | 4.45 | 48,091 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,314,481 |
| Animals that Start with L | 0 | - | 4.47 | 101,803 |
| Animals that Start with P | 0 | - | 4.45 | 86,042 |
| Animals that Start with S | 0 | - | 4.49 | 87,245 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 90,325 |
| Geography by Letter on the World Map - C | 0 | - | 4.79 | 117,399 |
| World Cities A-Z by Clue #1 | 0 | - | 4.51 | 67,997 |
| Islands A-Z | 0 | - | 4.45 | 123,385 |
| Human Body A-Z | 0 | - | 4.51 | 129,087 |
| Asian Cities A-Z by Clue | 0 | - | 4.49 | 35,451 |
| Animals A-Z #1 | 0 | - | 4.41 | 93,523 |
| Africa A-Z | 0 | - | 4.57 | 46,577 |
| Ethnic Groups A-Z | 0 | - | 4.51 | 42,248 |
| People in History A-Z #1 | 0 | - | 4.63 | 98,970 |
| People in History A-Z #2 | 0 | - | 4.47 | 55,076 |
| People in History A-Z #3 | 0 | - | 4.44 | 46,161 |
| Books by Clue #2 | 0 | - | 4.43 | 26,668 |
| Disney A-Z | 0 | - | 4.37 | 87,001 |
| Companies A-Z | 0 | - | 4.30 | 42,688 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,616 |
| Geography by Letter - G | 0 | - | 4.33 | 126,290 |
| Geography by Letter - F | 0 | - | 4.27 | 137,830 |
| Geography by Letter - J | 0 | - | 4.34 | 122,908 |
| Geography by Letter - O | 0 | - | 4.37 | 129,735 |
| Geography by Letter - V | 0 | - | 4.39 | 121,738 |
| Geography by Letter - W | 0 | - | 4.39 | 114,844 |
| Geography by Letter - Y | 0 | - | 4.39 | 111,493 |
| Geography by Letter - Z | 0 | - | 4.11 | 81,653 |
| Geography by Letter - Q | 0 | - | 4.38 | 69,470 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.15 | 35,241 |
| Video Games A-Z | 0 | - | 4.08 | 38,946 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,231 |
| Movies that Start with A | 0 | - | 4.13 | 61,840 |
| Movies that Start with C | 0 | - | 4.30 | 61,812 |
| Movies that Start with B | 0 | - | 4.36 | 85,172 |
| Movies that Start with D | 0 | - | 4.34 | 68,407 |
| Movies that Start with E | 0 | - | 4.13 | 68,339 |
| Movies that Start with J | 0 | - | 4.18 | 76,130 |
| Movies that Start with L | 0 | - | 4.16 | 60,392 |
| Movies that Start with M | 0 | - | 4.28 | 48,204 |
| Movies that Start with N | 0 | - | 4.02 | 41,235 |
| Movies that Start with P | 0 | - | 4.25 | 54,136 |
| Movies that Start with R | 0 | - | 4.17 | 46,617 |
| Movies that Start with W | 0 | - | 4.07 | 44,247 |
| Movies that Start with T | 0 | - | 4.34 | 49,272 |
| Movies that Start with S | 0 | - | 4.35 | 56,442 |
| Movies that Start with F | 0 | - | 4.13 | 68,821 |
| History by Letter - D | 0 | - | 4.40 | 137,756 |
| History by Letter - F | 0 | - | 4.18 | 114,297 |
| History by Letter - O | 0 | - | 4.32 | 99,513 |
| History by Letter - P | 0 | - | 4.39 | 107,862 |
| History by Letter - Q | 0 | - | 4.34 | 80,346 |
| History by Letter - R | 0 | - | 4.26 | 122,208 |
| History by Letter - T | 0 | - | 4.39 | 105,292 |
| History by Letter - U | 0 | - | 4.19 | 100,799 |
| History by Letter - V | 0 | - | 4.27 | 80,771 |
| History by Letter - Y | 0 | - | 4.27 | 87,290 |
| History by Letter - Z | 0 | - | 4.20 | 77,064 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,227 |
| Music by Letter - F | 0 | - | 4.48 | 26,981 |
| Music by Letter - A | 0 | - | 4.61 | 31,351 |
| Brand Logos That Start With B | 0 | - | 4.38 | 59,874 |
| Brand Logos That Start With D | 0 | - | 4.37 | 61,420 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,574 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,998 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,461 |
| Word Puzzles - Book Titles #2 | 0 | - | 4.38 | 21,858 |
| Famous Literature Fractured | 0 | - | 4.05 | 9,719 |
| The 100 Greatest Novels | 0 | - | 3.72 | 41,771 |
| Bestselling Authors | 0 | - | 4.10 | 18,893 |
| Characters from Books #2 | 0 | - | 4.42 | 79,843 |
| Nursery Rhymes #2 | 0 | - | 4.22 | 15,450 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 156,923 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 67,089 |
| Middle East A-Z | 0 | - | 4.47 | 45,982 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,327 |
| 20th Century A-Z | 0 | - | 4.50 | 53,683 |
| 19th Century A-Z | 0 | - | 4.77 | 47,252 |
| 18th Century A-Z | 0 | - | 4.54 | 43,137 |
| Modern Library's 100 Best Novels | 0 | - | 3.93 | 11,439 |
| Books by Clue #1 | 0 | - | 4.36 | 25,763 |
| Literary Groups of Things | 0 | - | 4.26 | 30,624 |
| 5-Letter Literature Chain | 0 | - | 4.29 | 54,765 |
| 4-Letter Literature Chain | 0 | - | 4.39 | 42,349 |
| Sci-Fi and Fantasy Authors | 0 | - | 4.37 | 14,284 |
| Hunger Games Trivia | 0 | - | 4.22 | 53,209 |
| The Hunger Games Districts Quiz | 0 | - | 4.21 | 31,810 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 90,977 |
| Star Wars A-Z | 0 | - | 4.46 | 88,089 |
| Monarchies of the World | 0 | - | 4.94 | 168,347 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.92 | 112,403 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 111,647 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 114,148 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 75,027 |
| Astronomy Quiz | 0 | - | 4.90 | 82,441 |
| Google What's the Difference? - Animals | 0 | - | 4.93 | 92,744 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.91 | 65,594 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,285 |
| Musical Acts by Letter - J | 0 | - | 4.17 | 77,422 |
