| Classic Novels by Plot #2 | 0 | - | 4.87 | 37,445 |
| 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 - H | 0 | - | 4.23 | 17,992 |
| 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 | 13,035 |
| 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 | 152,199 |
| Authors with Books Turned into Movies | 0 | - | 4.44 | 62,591 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.89 | 81,182 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 106,810 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 152,658 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 193,816 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 169,324 |
| Biggest Countries by Area A-Z | 0 | - | 4.95 | 190,622 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 299,285 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 179,292 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,082 |
| Famous Literary Characters | 0 | - | 4.38 | 36,280 |
| Charlie and the Chocolate Factory | 0 | - | 4.43 | 16,147 |
| Literature Multiple Choice #1 | 0 | - | 4.50 | 40,563 |
| Literature Multiple Choice #2 | 0 | - | 4.44 | 34,325 |
| Books by Plot Description | 0 | - | 4.54 | 26,352 |
| Classic Novels by Plot #1 | 0 | - | 4.40 | 73,091 |
| Who Wrote That Book #2 | 0 | - | 4.47 | 47,740 |
| 100 Books You Can't Do Without | 0 | - | 4.48 | 62,597 |
| Who Wrote That Book #1 | 0 | - | 4.47 | 102,972 |
| Literature by Letter - S | 0 | - | 3.94 | 11,817 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 234,611 |
| Name an Official Language A-Z | 0 | - | 4.90 | 174,618 |
| Book Titles by Synonyms #1 | 0 | - | 4.61 | 75,593 |
| Ultimate Percy Jackson Characters Quiz | 0 | - | 4.45 | 44,963 |
| NATO Military Alphabet | 0 | - | 4.98 | 553,621 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.81 | 797,469 |
| Geography by Letter - A | 0 | - | 4.74 | 209,940 |
| Geography by Letter - B | 0 | - | 4.56 | 183,110 |
| Geography by Letter - H | 0 | - | 4.69 | 149,163 |
| Geography by Letter - C | 0 | - | 4.47 | 157,426 |
| Geography by Letter - D | 0 | - | 4.50 | 149,365 |
| Geography by Letter - E | 0 | - | 4.42 | 146,540 |
| Geography by Letter - I | 0 | - | 4.42 | 121,094 |
| Geography by Letter - K | 0 | - | 4.53 | 117,229 |
| Geography by Letter - L | 0 | - | 4.43 | 147,504 |
| Geography by Letter - M | 0 | - | 4.49 | 117,513 |
| Geography by Letter - N | 0 | - | 4.51 | 126,136 |
| Geography by Letter - P | 0 | - | 4.47 | 175,022 |
| Geography by Letter - R | 0 | - | 4.43 | 130,182 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 139,250 |
| Geography by Letter - U | 0 | - | 4.54 | 141,930 |
| Asian Geography By Letter - K | 0 | - | 4.74 | 57,943 |
| A to Z: Musical Terms | 0 | - | 4.43 | 40,979 |
| Geography A-Z #2 | 0 | - | 4.46 | 52,662 |
| Geography A-Z #5 | 0 | - | 4.47 | 37,169 |
| Empires A-Z | 0 | - | 4.51 | 44,777 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,305 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 124,852 |
| Movies that Start with G | 0 | - | 4.48 | 68,221 |
| Movies that Start with I | 0 | - | 4.41 | 64,860 |
| History by Letter - A | 0 | - | 4.51 | 152,026 |
| History by Letter - B | 0 | - | 4.45 | 171,170 |
| History by Letter - C | 0 | - | 4.69 | 170,193 |
| History by Letter - E | 0 | - | 4.51 | 139,761 |
| History by Letter - G | 0 | - | 4.45 | 121,373 |
| History by Letter - H | 0 | - | 4.45 | 135,799 |
| History by Letter - J | 0 | - | 4.51 | 153,150 |
| History by Letter - N | 0 | - | 4.44 | 103,339 |
| History by Letter - S | 0 | - | 4.47 | 93,627 |
| History by Letter - W | 0 | - | 4.45 | 108,668 |
| History by Letter - M | 0 | - | 4.54 | 119,033 |
| History by Letter - K | 0 | - | 4.50 | 100,777 |
| History by Letter - L | 0 | - | 4.49 | 111,448 |
| History by Letter - I | 0 | - | 4.46 | 103,623 |
| Brand Logos That Start with A | 0 | - | 4.51 | 69,153 |
| Brand Logos That Start With B | 0 | - | 4.41 | 59,114 |
| Brand Logos That Start With M | 0 | - | 4.45 | 61,667 |
| Authors of Children's Books | 0 | - | 4.23 | 19,941 |
| Books by City | 0 | - | 4.04 | 14,189 |
| Word Puzzles - Book Titles #1 | 0 | - | 4.41 | 27,419 |
| Dewey Decimal System | 0 | - | 4.28 | 13,539 |
| Authors by Country | 0 | - | 4.40 | 32,073 |
| Nonfiction Books Quiz | 0 | - | 4.44 | 22,459 |
| 1984 the Book | 0 | - | 4.61 | 20,949 |
| Winnie-the-Pooh Characters | 0 | - | 4.46 | 28,547 |
| Nursery Rhymes Fill in the Blank | 0 | - | 4.14 | 40,376 |
| Countries by Military Spending | 0 | - | 4.93 | 176,300 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 119,603 |
| "Of Something" Book Titles | 0 | - | 4.45 | 47,920 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,303,843 |
| Animals that Start with L | 0 | - | 4.47 | 101,207 |
| Animals that Start with P | 0 | - | 4.45 | 85,604 |
| Animals that Start with S | 0 | - | 4.49 | 86,770 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 89,560 |
| Geography by Letter on the World Map - C | 0 | - | 4.78 | 116,512 |
| World Cities A-Z by Clue #1 | 0 | - | 4.54 | 65,190 |
| Islands A-Z | 0 | - | 4.46 | 116,673 |
| World Cities A-Z by Clue #2 | 0 | - | 4.44 | 56,773 |
| Human Body A-Z | 0 | - | 4.51 | 128,201 |
| Asian Cities A-Z by Clue | 0 | - | 4.53 | 33,639 |
| Animals A-Z #1 | 0 | - | 4.41 | 92,763 |
| Africa A-Z | 0 | - | 4.57 | 46,348 |
| Ethnic Groups A-Z | 0 | - | 4.50 | 42,020 |
| People in History A-Z #1 | 0 | - | 4.63 | 98,536 |
| People in History A-Z #2 | 0 | - | 4.47 | 54,774 |
| People in History A-Z #3 | 0 | - | 4.44 | 45,932 |
| Books by Clue #2 | 0 | - | 4.43 | 26,592 |
| Disney A-Z | 0 | - | 4.37 | 86,075 |
| Companies A-Z | 0 | - | 4.30 | 42,601 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,466 |
| Religion A-Z #2 | 0 | - | 4.40 | 36,792 |
| Geography by Letter - G | 0 | - | 4.35 | 125,372 |
| Geography by Letter - F | 0 | - | 4.27 | 136,945 |
| Geography by Letter - J | 0 | - | 4.34 | 122,065 |
| Geography by Letter - O | 0 | - | 4.37 | 128,888 |
| Geography by Letter - V | 0 | - | 4.39 | 120,438 |
| Geography by Letter - W | 0 | - | 4.39 | 114,082 |
| Geography by Letter - Y | 0 | - | 4.39 | 110,552 |
| Geography by Letter - Z | 0 | - | 4.11 | 80,936 |
| Geography by Letter - Q | 0 | - | 4.38 | 68,785 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.18 | 35,099 |
| Video Games A-Z | 0 | - | 4.08 | 38,658 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,055 |
| Movies that Start with A | 0 | - | 4.13 | 61,610 |
| Movies that Start with C | 0 | - | 4.30 | 61,550 |
| Movies that Start with B | 0 | - | 4.35 | 84,874 |
| Movies that Start with D | 0 | - | 4.34 | 68,201 |
| Movies that Start with E | 0 | - | 4.13 | 68,145 |
| Movies that Start with J | 0 | - | 4.18 | 75,893 |
| Movies that Start with L | 0 | - | 4.16 | 60,201 |
| Movies that Start with M | 0 | - | 4.28 | 48,038 |
| Movies that Start with N | 0 | - | 4.02 | 41,089 |
| Movies that Start with P | 0 | - | 4.25 | 53,976 |
| Movies that Start with R | 0 | - | 4.17 | 46,419 |
| Movies that Start with W | 0 | - | 4.07 | 44,113 |
| Movies that Start with T | 0 | - | 4.33 | 49,088 |
| Movies that Start with S | 0 | - | 4.35 | 56,238 |
| Movies that Start with F | 0 | - | 4.13 | 68,617 |
| History by Letter - D | 0 | - | 4.39 | 136,823 |
| History by Letter - F | 0 | - | 4.18 | 113,637 |
| History by Letter - O | 0 | - | 4.31 | 99,002 |
| History by Letter - P | 0 | - | 4.38 | 107,286 |
| History by Letter - Q | 0 | - | 4.34 | 79,938 |
| History by Letter - R | 0 | - | 4.26 | 121,594 |
| History by Letter - T | 0 | - | 4.39 | 104,821 |
| History by Letter - U | 0 | - | 4.19 | 100,183 |
| History by Letter - V | 0 | - | 4.27 | 80,326 |
| History by Letter - Y | 0 | - | 4.27 | 86,898 |
| History by Letter - Z | 0 | - | 4.18 | 76,707 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,103 |
| Music by Letter - F | 0 | - | 4.48 | 26,779 |
| Music by Letter - A | 0 | - | 4.61 | 31,156 |
| Brand Logos That Start With D | 0 | - | 4.37 | 60,581 |
| Brand Logos That Start With C | 0 | - | 4.17 | 48,965 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,107 |
| Brand Logos That Start With S | 0 | - | 4.37 | 56,601 |
| 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 | 41,648 |
| Bestselling Authors | 0 | - | 4.10 | 18,800 |
| Characters from Books #2 | 0 | - | 4.42 | 79,489 |
| Nursery Rhymes #2 | 0 | - | 4.22 | 15,418 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 155,685 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 66,816 |
| Middle East A-Z | 0 | - | 4.47 | 45,753 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,128 |
| 20th Century A-Z | 0 | - | 4.50 | 53,129 |
| 19th Century A-Z | 0 | - | 4.77 | 46,707 |
| 18th Century A-Z | 0 | - | 4.54 | 42,618 |
| Modern Library's 100 Best Novels | 0 | - | 3.93 | 11,390 |
| Books by Clue #1 | 0 | - | 4.36 | 25,696 |
| Literary Groups of Things | 0 | - | 4.26 | 30,524 |
| 5-Letter Literature Chain | 0 | - | 4.29 | 54,591 |
| 4-Letter Literature Chain | 0 | - | 4.39 | 42,215 |
| Sci-Fi and Fantasy Authors | 0 | - | 4.37 | 14,226 |
| Hunger Games Trivia | 0 | - | 4.22 | 52,827 |
| The Hunger Games Districts Quiz | 0 | - | 4.21 | 31,652 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 85,015 |
| Star Wars A-Z | 0 | - | 4.46 | 87,088 |
| Monarchies of the World | 0 | - | 4.94 | 166,433 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.91 | 111,434 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 110,834 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 113,358 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 74,621 |
| Astronomy Quiz | 0 | - | 4.89 | 81,601 |
| Google What's the Difference? - Animals | 0 | - | 4.93 | 92,382 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.89 | 65,115 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,657 |
