| Classic Novels by Plot #2 | 0 | - | 4.87 | 37,457 |
| Literature by Letter - A | 0 | - | 4.23 | 31,746 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,062 |
| Literature by Letter - D | 0 | - | 4.30 | 20,448 |
| Literature by Letter - C | 0 | - | 4.34 | 26,375 |
| Literature by Letter - F | 0 | - | 4.25 | 17,074 |
| Literature by Letter - E | 0 | - | 4.03 | 14,959 |
| Literature by Letter - I | 0 | - | 4.25 | 15,138 |
| Literature by Letter - L | 0 | - | 4.32 | 23,132 |
| Literature by Letter - M | 0 | - | 4.16 | 18,533 |
| Literature by Letter - P | 0 | - | 4.16 | 16,664 |
| Literature by Letter - O | 0 | - | 4.30 | 13,465 |
| Literature by Letter - J | 0 | - | 4.23 | 14,739 |
| Literature by Letter - N | 0 | - | 4.24 | 14,234 |
| Literature by Letter - K | 0 | - | 4.13 | 12,221 |
| Literature by Letter - R | 0 | - | 4.06 | 11,818 |
| Literature by Letter - T | 0 | - | 4.37 | 18,483 |
| Literature by Letter - U | 0 | - | 4.20 | 13,036 |
| Literature by Letter - V | 0 | - | 4.06 | 11,668 |
| Literature by Letter - W | 0 | - | 4.15 | 13,423 |
| Geography by Letter - T | 0 | - | 4.84 | 152,234 |
| Authors with Books Turned into Movies | 0 | - | 4.44 | 62,602 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.89 | 81,191 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 106,820 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 152,666 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 193,834 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 169,332 |
| Biggest Countries by Area A-Z | 0 | - | 4.95 | 190,643 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 299,293 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 179,302 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,087 |
| Famous Literary Characters | 0 | - | 4.38 | 36,289 |
| Charlie and the Chocolate Factory | 0 | - | 4.43 | 16,150 |
| Literature Multiple Choice #1 | 0 | - | 4.50 | 40,567 |
| Literature Multiple Choice #2 | 0 | - | 4.44 | 34,329 |
| Books by Plot Description | 0 | - | 4.54 | 26,361 |
| Classic Novels by Plot #1 | 0 | - | 4.40 | 73,094 |
| Who Wrote That Book #2 | 0 | - | 4.47 | 47,746 |
| 100 Books You Can't Do Without | 0 | - | 4.48 | 62,745 |
| Who Wrote That Book #1 | 0 | - | 4.47 | 102,979 |
| Literature by Letter - G | 0 | - | 3.91 | 14,451 |
| Literature by Letter - S | 0 | - | 3.94 | 11,817 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 234,645 |
| Name an Official Language A-Z | 0 | - | 4.90 | 174,635 |
| Book Titles by Synonyms #1 | 0 | - | 4.61 | 75,596 |
| Ultimate Percy Jackson Characters Quiz | 0 | - | 4.45 | 44,966 |
| NATO Military Alphabet | 0 | - | 4.98 | 553,719 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.81 | 797,586 |
| Geography by Letter - A | 0 | - | 4.74 | 209,957 |
| Geography by Letter - B | 0 | - | 4.56 | 183,129 |
| Geography by Letter - H | 0 | - | 4.69 | 149,180 |
| Geography by Letter - C | 0 | - | 4.47 | 157,447 |
| Geography by Letter - D | 0 | - | 4.50 | 149,383 |
| Geography by Letter - E | 0 | - | 4.42 | 146,554 |
| Geography by Letter - I | 0 | - | 4.42 | 121,108 |
| Geography by Letter - K | 0 | - | 4.53 | 117,243 |
| Geography by Letter - L | 0 | - | 4.43 | 147,519 |
| Geography by Letter - M | 0 | - | 4.49 | 117,529 |
| Geography by Letter - N | 0 | - | 4.51 | 126,155 |
| Geography by Letter - P | 0 | - | 4.47 | 175,044 |
| Geography by Letter - R | 0 | - | 4.43 | 130,212 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 139,310 |
| Geography by Letter - U | 0 | - | 4.54 | 141,952 |
| Asian Geography By Letter - K | 0 | - | 4.74 | 57,950 |
| A to Z: Musical Terms | 0 | - | 4.43 | 40,988 |
| Geography A-Z #2 | 0 | - | 4.46 | 52,666 |
| Geography A-Z #5 | 0 | - | 4.47 | 37,173 |
| Empires A-Z | 0 | - | 4.51 | 44,781 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,310 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 124,857 |
| Movies that Start with G | 0 | - | 4.48 | 68,223 |
| Movies that Start with I | 0 | - | 4.41 | 64,864 |
| History by Letter - A | 0 | - | 4.51 | 152,035 |
| History by Letter - B | 0 | - | 4.45 | 171,177 |
| History by Letter - C | 0 | - | 4.69 | 170,199 |
| History by Letter - E | 0 | - | 4.51 | 139,767 |
| History by Letter - G | 0 | - | 4.45 | 121,382 |
| History by Letter - H | 0 | - | 4.45 | 135,807 |
| History by Letter - J | 0 | - | 4.51 | 153,159 |
| History by Letter - N | 0 | - | 4.44 | 103,345 |
| History by Letter - S | 0 | - | 4.47 | 93,630 |
| History by Letter - W | 0 | - | 4.45 | 108,673 |
| History by Letter - M | 0 | - | 4.54 | 119,040 |
| History by Letter - K | 0 | - | 4.50 | 100,781 |
| History by Letter - L | 0 | - | 4.49 | 111,453 |
| History by Letter - I | 0 | - | 4.46 | 103,629 |
| Brand Logos That Start with A | 0 | - | 4.51 | 69,166 |
| Brand Logos That Start With B | 0 | - | 4.41 | 59,124 |
| Brand Logos That Start With M | 0 | - | 4.45 | 61,682 |
| Authors of Children's Books | 0 | - | 4.23 | 19,946 |
| Books by City | 0 | - | 4.04 | 14,190 |
| Word Puzzles - Book Titles #1 | 0 | - | 4.41 | 27,420 |
| Dewey Decimal System | 0 | - | 4.28 | 13,539 |
| Authors by Country | 0 | - | 4.40 | 32,077 |
| Nonfiction Books Quiz | 0 | - | 4.44 | 22,463 |
| 1984 the Book | 0 | - | 4.61 | 20,951 |
| Winnie-the-Pooh Characters | 0 | - | 4.46 | 28,547 |
| Nursery Rhymes Fill in the Blank | 0 | - | 4.14 | 40,377 |
| Countries by Military Spending | 0 | - | 4.93 | 176,310 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 119,618 |
| "Of Something" Book Titles | 0 | - | 4.45 | 47,923 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,303,983 |
| Animals that Start with L | 0 | - | 4.47 | 101,213 |
| Animals that Start with P | 0 | - | 4.45 | 85,607 |
| Animals that Start with S | 0 | - | 4.49 | 86,771 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 89,569 |
| Geography by Letter on the World Map - C | 0 | - | 4.78 | 116,518 |
| World Cities A-Z by Clue #1 | 0 | - | 4.54 | 65,370 |
| Islands A-Z | 0 | - | 4.46 | 116,687 |
| World Cities A-Z by Clue #2 | 0 | - | 4.44 | 56,920 |
| Human Body A-Z | 0 | - | 4.51 | 128,227 |
| Asian Cities A-Z by Clue | 0 | - | 4.53 | 33,775 |
| Animals A-Z #1 | 0 | - | 4.41 | 92,773 |
| Africa A-Z | 0 | - | 4.57 | 46,354 |
| Ethnic Groups A-Z | 0 | - | 4.50 | 42,026 |
| People in History A-Z #1 | 0 | - | 4.63 | 98,546 |
| People in History A-Z #2 | 0 | - | 4.47 | 54,781 |
| People in History A-Z #3 | 0 | - | 4.44 | 45,936 |
| Books by Clue #2 | 0 | - | 4.43 | 26,594 |
| Disney A-Z | 0 | - | 4.37 | 86,084 |
| Companies A-Z | 0 | - | 4.30 | 42,602 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,467 |
| Religion A-Z #2 | 0 | - | 4.40 | 36,794 |
| Geography by Letter - G | 0 | - | 4.35 | 125,384 |
| Geography by Letter - F | 0 | - | 4.27 | 136,955 |
| Geography by Letter - J | 0 | - | 4.34 | 122,077 |
| Geography by Letter - O | 0 | - | 4.37 | 128,901 |
| Geography by Letter - V | 0 | - | 4.39 | 120,536 |
| Geography by Letter - W | 0 | - | 4.39 | 114,104 |
| Geography by Letter - Y | 0 | - | 4.39 | 110,574 |
| Geography by Letter - Z | 0 | - | 4.11 | 80,951 |
| Geography by Letter - Q | 0 | - | 4.38 | 68,797 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.18 | 35,101 |
| Video Games A-Z | 0 | - | 4.08 | 38,661 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,059 |
| Movies that Start with A | 0 | - | 4.13 | 61,613 |
| Movies that Start with C | 0 | - | 4.30 | 61,552 |
| Movies that Start with B | 0 | - | 4.35 | 84,881 |
| Movies that Start with D | 0 | - | 4.34 | 68,204 |
| Movies that Start with E | 0 | - | 4.13 | 68,149 |
| Movies that Start with J | 0 | - | 4.18 | 75,895 |
| Movies that Start with L | 0 | - | 4.16 | 60,205 |
| Movies that Start with M | 0 | - | 4.28 | 48,040 |
| Movies that Start with N | 0 | - | 4.02 | 41,092 |
| Movies that Start with P | 0 | - | 4.25 | 53,977 |
| Movies that Start with R | 0 | - | 4.17 | 46,421 |
| Movies that Start with W | 0 | - | 4.07 | 44,113 |
| Movies that Start with T | 0 | - | 4.33 | 49,091 |
| Movies that Start with S | 0 | - | 4.35 | 56,240 |
| Movies that Start with F | 0 | - | 4.13 | 68,619 |
| History by Letter - D | 0 | - | 4.39 | 136,828 |
| History by Letter - F | 0 | - | 4.18 | 113,644 |
| History by Letter - O | 0 | - | 4.31 | 99,006 |
| History by Letter - P | 0 | - | 4.38 | 107,289 |
| History by Letter - Q | 0 | - | 4.34 | 79,941 |
| History by Letter - R | 0 | - | 4.26 | 121,598 |
| History by Letter - T | 0 | - | 4.39 | 104,829 |
| History by Letter - U | 0 | - | 4.19 | 100,190 |
| History by Letter - V | 0 | - | 4.27 | 80,329 |
| History by Letter - Y | 0 | - | 4.27 | 86,902 |
| History by Letter - Z | 0 | - | 4.18 | 76,710 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,103 |
| Music by Letter - F | 0 | - | 4.48 | 26,786 |
| Music by Letter - A | 0 | - | 4.61 | 31,159 |
| Brand Logos That Start With D | 0 | - | 4.37 | 60,593 |
| Brand Logos That Start With C | 0 | - | 4.17 | 48,969 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,120 |
| Brand Logos That Start With S | 0 | - | 4.37 | 56,609 |
| Word Puzzles - Book Titles #2 | 0 | - | 4.38 | 21,776 |
| Famous Literature Fractured | 0 | - | 4.04 | 9,661 |
| The 100 Greatest Novels | 0 | - | 3.71 | 41,651 |
| Bestselling Authors | 0 | - | 4.10 | 18,804 |
| Characters from Books #2 | 0 | - | 4.42 | 79,494 |
| Nursery Rhymes #2 | 0 | - | 4.22 | 15,418 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 155,702 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 66,822 |
| Middle East A-Z | 0 | - | 4.47 | 45,755 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,132 |
| 20th Century A-Z | 0 | - | 4.50 | 53,136 |
| 19th Century A-Z | 0 | - | 4.77 | 46,707 |
| 18th Century A-Z | 0 | - | 4.54 | 42,619 |
| Modern Library's 100 Best Novels | 0 | - | 3.93 | 11,391 |
| Books by Clue #1 | 0 | - | 4.36 | 25,698 |
| Literary Groups of Things | 0 | - | 4.26 | 30,526 |
| 5-Letter Literature Chain | 0 | - | 4.29 | 54,594 |
| 4-Letter Literature Chain | 0 | - | 4.39 | 42,218 |
| Sci-Fi and Fantasy Authors | 0 | - | 4.37 | 14,226 |
| Hunger Games Trivia | 0 | - | 4.22 | 52,831 |
| The Hunger Games Districts Quiz | 0 | - | 4.21 | 31,654 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 85,027 |
| Star Wars A-Z | 0 | - | 4.46 | 87,101 |
| Monarchies of the World | 0 | - | 4.94 | 166,462 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.91 | 111,448 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 110,847 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 113,374 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 74,628 |
| Astronomy Quiz | 0 | - | 4.89 | 81,612 |
| Google What's the Difference? - Animals | 0 | - | 4.93 | 92,385 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.89 | 65,121 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,668 |
