| Classic Novels by Plot #2 | 0 | - | 4.87 | 38,039 |
| Literature by Letter - A | 0 | - | 4.24 | 32,073 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,261 |
| Literature by Letter - D | 0 | - | 4.30 | 20,739 |
| Literature by Letter - C | 0 | - | 4.34 | 26,681 |
| Literature by Letter - F | 0 | - | 4.26 | 17,331 |
| Literature by Letter - E | 0 | - | 4.05 | 15,232 |
| Literature by Letter - H | 0 | - | 4.28 | 19,863 |
| Literature by Letter - I | 0 | - | 4.28 | 16,412 |
| Literature by Letter - L | 0 | - | 4.32 | 23,343 |
| Literature by Letter - M | 0 | - | 4.18 | 18,756 |
| Literature by Letter - P | 0 | - | 4.18 | 16,886 |
| Literature by Letter - O | 0 | - | 4.30 | 13,653 |
| Literature by Letter - J | 0 | - | 4.23 | 14,977 |
| Literature by Letter - N | 0 | - | 4.24 | 14,443 |
| Literature by Letter - K | 0 | - | 4.13 | 12,437 |
| Literature by Letter - R | 0 | - | 4.06 | 12,031 |
| Literature by Letter - T | 0 | - | 4.37 | 18,670 |
| Literature by Letter - U | 0 | - | 4.20 | 13,220 |
| Literature by Letter - V | 0 | - | 4.06 | 11,855 |
| Literature by Letter - W | 0 | - | 4.15 | 13,613 |
| Geography by Letter - T | 0 | - | 4.84 | 153,922 |
| Authors with Books Turned into Movies | 0 | - | 4.45 | 62,917 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.89 | 82,196 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 107,905 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 153,338 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 195,351 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 170,043 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 192,007 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 300,483 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 180,391 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,731 |
| Famous Literary Characters | 0 | - | 4.38 | 36,541 |
| Charlie and the Chocolate Factory | 0 | - | 4.43 | 16,266 |
| Literature Multiple Choice #1 | 0 | - | 4.51 | 40,843 |
| Literature Multiple Choice #2 | 0 | - | 4.45 | 34,538 |
| Books by Plot Description | 0 | - | 4.55 | 26,686 |
| Classic Novels by Plot #1 | 0 | - | 4.40 | 73,515 |
| Who Wrote That Book #2 | 0 | - | 4.47 | 47,930 |
| 100 Books You Can't Do Without | 0 | - | 4.49 | 64,138 |
| Who Wrote That Book #1 | 0 | - | 4.47 | 103,264 |
| Literature by Letter - G | 0 | - | 3.91 | 14,690 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 236,666 |
| Name an Official Language A-Z | 0 | - | 4.91 | 175,893 |
| Book Titles by Synonyms #1 | 0 | - | 4.54 | 75,854 |
| Ultimate Percy Jackson Characters Quiz | 0 | - | 4.49 | 45,183 |
| NATO Military Alphabet | 0 | - | 4.98 | 559,478 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.81 | 802,151 |
| Religion A-Z #2 | 0 | - | 4.41 | 36,985 |
| Geography by Letter - A | 0 | - | 4.74 | 211,654 |
| Geography by Letter - B | 0 | - | 4.55 | 184,686 |
| Geography by Letter - H | 0 | - | 4.69 | 150,369 |
| Geography by Letter - C | 0 | - | 4.47 | 158,773 |
| Geography by Letter - D | 0 | - | 4.50 | 150,583 |
| Geography by Letter - E | 0 | - | 4.42 | 147,675 |
| Geography by Letter - I | 0 | - | 4.42 | 122,069 |
| Geography by Letter - K | 0 | - | 4.53 | 118,410 |
| Geography by Letter - L | 0 | - | 4.43 | 148,578 |
| Geography by Letter - M | 0 | - | 4.49 | 118,693 |
| Geography by Letter - N | 0 | - | 4.51 | 127,259 |
| Geography by Letter - P | 0 | - | 4.47 | 176,094 |
| Geography by Letter - R | 0 | - | 4.43 | 131,704 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 140,606 |
| Geography by Letter - U | 0 | - | 4.53 | 143,152 |
| Asian Geography By Letter - K | 0 | - | 4.74 | 58,151 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,318 |
| Geography A-Z #2 | 0 | - | 4.46 | 52,909 |
| Geography A-Z #5 | 0 | - | 4.44 | 37,359 |
| Empires A-Z | 0 | - | 4.52 | 45,142 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,579 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,213 |
| Movies that Start with G | 0 | - | 4.49 | 68,525 |
| Movies that Start with I | 0 | - | 4.41 | 65,160 |
| History by Letter - A | 0 | - | 4.51 | 153,083 |
| History by Letter - B | 0 | - | 4.45 | 172,369 |
| History by Letter - C | 0 | - | 4.70 | 171,648 |
| History by Letter - E | 0 | - | 4.51 | 140,750 |
| History by Letter - G | 0 | - | 4.46 | 122,240 |
| History by Letter - H | 0 | - | 4.45 | 136,846 |
| History by Letter - J | 0 | - | 4.51 | 154,160 |
| History by Letter - N | 0 | - | 4.45 | 104,166 |
| History by Letter - S | 0 | - | 4.47 | 94,463 |
| History by Letter - W | 0 | - | 4.45 | 109,637 |
| History by Letter - M | 0 | - | 4.54 | 119,943 |
| History by Letter - K | 0 | - | 4.50 | 101,448 |
| History by Letter - L | 0 | - | 4.50 | 112,175 |
| History by Letter - I | 0 | - | 4.46 | 104,325 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,235 |
| Brand Logos That Start With M | 0 | - | 4.45 | 62,755 |
| Authors of Children's Books | 0 | - | 4.23 | 19,990 |
| Books by City | 0 | - | 4.04 | 14,259 |
| Word Puzzles - Book Titles #1 | 0 | - | 4.41 | 27,551 |
| Dewey Decimal System | 0 | - | 4.28 | 13,586 |
| Authors by Country | 0 | - | 4.40 | 32,175 |
| Nonfiction Books Quiz | 0 | - | 4.44 | 22,568 |
| 1984 the Book | 0 | - | 4.61 | 21,029 |
| Winnie-the-Pooh Characters | 0 | - | 4.46 | 28,614 |
| Nursery Rhymes Fill in the Blank | 0 | - | 4.14 | 40,477 |
| Countries by Military Spending | 0 | - | 4.93 | 177,623 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 120,701 |
| "Of Something" Book Titles | 0 | - | 4.45 | 48,105 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,315,593 |
| Animals that Start with L | 0 | - | 4.47 | 101,875 |
| Animals that Start with P | 0 | - | 4.45 | 86,103 |
| Animals that Start with S | 0 | - | 4.49 | 87,316 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 90,394 |
| Geography by Letter on the World Map - C | 0 | - | 4.79 | 117,485 |
| World Cities A-Z by Clue #1 | 0 | - | 4.51 | 68,083 |
| Islands A-Z | 0 | - | 4.46 | 124,112 |
| Human Body A-Z | 0 | - | 4.51 | 129,124 |
| Asian Cities A-Z by Clue | 0 | - | 4.49 | 35,514 |
| Animals A-Z #1 | 0 | - | 4.41 | 93,570 |
| Africa A-Z | 0 | - | 4.57 | 46,595 |
| Ethnic Groups A-Z | 0 | - | 4.51 | 42,275 |
| People in History A-Z #1 | 0 | - | 4.63 | 99,013 |
| People in History A-Z #2 | 0 | - | 4.47 | 55,102 |
| People in History A-Z #3 | 0 | - | 4.44 | 46,181 |
| Books by Clue #2 | 0 | - | 4.43 | 26,675 |
| Disney A-Z | 0 | - | 4.37 | 87,066 |
| Companies A-Z | 0 | - | 4.30 | 42,692 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,623 |
| Geography by Letter - G | 0 | - | 4.33 | 126,347 |
| Geography by Letter - F | 0 | - | 4.27 | 137,892 |
| Geography by Letter - J | 0 | - | 4.34 | 122,963 |
| Geography by Letter - O | 0 | - | 4.37 | 129,795 |
| Geography by Letter - V | 0 | - | 4.39 | 121,798 |
| Geography by Letter - W | 0 | - | 4.39 | 114,891 |
| Geography by Letter - Y | 0 | - | 4.39 | 111,558 |
| Geography by Letter - Z | 0 | - | 4.11 | 81,693 |
| Geography by Letter - Q | 0 | - | 4.38 | 69,522 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.15 | 35,258 |
| Video Games A-Z | 0 | - | 4.08 | 38,971 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,249 |
| Movies that Start with A | 0 | - | 4.13 | 61,865 |
| Movies that Start with C | 0 | - | 4.30 | 61,837 |
| Movies that Start with B | 0 | - | 4.36 | 85,209 |
| Movies that Start with D | 0 | - | 4.34 | 68,434 |
| Movies that Start with E | 0 | - | 4.13 | 68,367 |
| Movies that Start with J | 0 | - | 4.18 | 76,158 |
| Movies that Start with L | 0 | - | 4.16 | 60,420 |
| Movies that Start with M | 0 | - | 4.28 | 48,225 |
| Movies that Start with N | 0 | - | 4.02 | 41,254 |
| Movies that Start with P | 0 | - | 4.25 | 54,152 |
| Movies that Start with R | 0 | - | 4.17 | 46,640 |
| Movies that Start with W | 0 | - | 4.07 | 44,266 |
| Movies that Start with T | 0 | - | 4.34 | 49,297 |
| Movies that Start with S | 0 | - | 4.35 | 56,466 |
| Movies that Start with F | 0 | - | 4.13 | 68,850 |
| History by Letter - D | 0 | - | 4.40 | 137,889 |
| History by Letter - F | 0 | - | 4.18 | 114,532 |
| History by Letter - O | 0 | - | 4.32 | 99,590 |
| History by Letter - P | 0 | - | 4.36 | 107,938 |
| History by Letter - Q | 0 | - | 4.34 | 80,409 |
| History by Letter - R | 0 | - | 4.26 | 122,291 |
| History by Letter - T | 0 | - | 4.39 | 105,363 |
| History by Letter - U | 0 | - | 4.19 | 100,882 |
| History by Letter - V | 0 | - | 4.27 | 80,839 |
| History by Letter - Y | 0 | - | 4.27 | 87,354 |
| History by Letter - Z | 0 | - | 4.20 | 77,124 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,238 |
| Music by Letter - F | 0 | - | 4.48 | 26,990 |
| Music by Letter - A | 0 | - | 4.61 | 31,373 |
| Brand Logos That Start With B | 0 | - | 4.38 | 59,944 |
| Brand Logos That Start With D | 0 | - | 4.37 | 61,487 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,629 |
| Brand Logos That Start With L | 0 | - | 4.39 | 61,095 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,551 |
| Word Puzzles - Book Titles #2 | 0 | - | 4.38 | 21,864 |
| Famous Literature Fractured | 0 | - | 4.05 | 9,729 |
| The 100 Greatest Novels | 0 | - | 3.72 | 41,791 |
| Bestselling Authors | 0 | - | 4.10 | 18,901 |
| Characters from Books #2 | 0 | - | 4.42 | 79,877 |
| Nursery Rhymes #2 | 0 | - | 4.22 | 15,451 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 157,068 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 67,119 |
| Middle East A-Z | 0 | - | 4.47 | 46,001 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,350 |
| 20th Century A-Z | 0 | - | 4.50 | 53,712 |
| 19th Century A-Z | 0 | - | 4.77 | 47,279 |
| 18th Century A-Z | 0 | - | 4.54 | 43,163 |
| Modern Library's 100 Best Novels | 0 | - | 3.93 | 11,452 |
| Books by Clue #1 | 0 | - | 4.36 | 25,774 |
| Literary Groups of Things | 0 | - | 4.26 | 30,632 |
| 5-Letter Literature Chain | 0 | - | 4.29 | 54,812 |
| 4-Letter Literature Chain | 0 | - | 4.39 | 42,365 |
| Sci-Fi and Fantasy Authors | 0 | - | 4.37 | 14,291 |
| Hunger Games Trivia | 0 | - | 4.22 | 53,258 |
| The Hunger Games Districts Quiz | 0 | - | 4.21 | 31,823 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 91,241 |
| Star Wars A-Z | 0 | - | 4.46 | 88,172 |
| Monarchies of the World | 0 | - | 4.94 | 168,495 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.92 | 112,498 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 111,742 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 114,253 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 75,067 |
| Astronomy Quiz | 0 | - | 4.90 | 82,531 |
| Google What's the Difference? - Animals | 0 | - | 4.93 | 92,790 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.91 | 65,646 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,329 |
| Musical Acts by Letter - J | 0 | - | 4.17 | 77,442 |
