| Classic Novels by Plot #2 | 0 | - | 4.87 | 37,448 |
| 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 | 13,035 |
| 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 | 152,206 |
| Authors with Books Turned into Movies | 0 | - | 4.44 | 62,593 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.89 | 81,183 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 106,813 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 152,660 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 193,820 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 169,329 |
| Biggest Countries by Area A-Z | 0 | - | 4.95 | 190,626 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 299,287 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 179,294 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,084 |
| Famous Literary Characters | 0 | - | 4.38 | 36,282 |
| Charlie and the Chocolate Factory | 0 | - | 4.43 | 16,149 |
| Literature Multiple Choice #1 | 0 | - | 4.50 | 40,564 |
| Literature Multiple Choice #2 | 0 | - | 4.44 | 34,325 |
| Books by Plot Description | 0 | - | 4.54 | 26,355 |
| Classic Novels by Plot #1 | 0 | - | 4.40 | 73,092 |
| Who Wrote That Book #2 | 0 | - | 4.47 | 47,741 |
| 100 Books You Can't Do Without | 0 | - | 4.48 | 62,636 |
| Who Wrote That Book #1 | 0 | - | 4.47 | 102,975 |
| 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 | 234,622 |
| Name an Official Language A-Z | 0 | - | 4.90 | 174,619 |
| Book Titles by Synonyms #1 | 0 | - | 4.61 | 75,594 |
| Ultimate Percy Jackson Characters Quiz | 0 | - | 4.45 | 44,963 |
| NATO Military Alphabet | 0 | - | 4.98 | 553,632 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.81 | 797,544 |
| Geography by Letter - A | 0 | - | 4.74 | 209,943 |
| Geography by Letter - B | 0 | - | 4.56 | 183,115 |
| Geography by Letter - H | 0 | - | 4.69 | 149,167 |
| Geography by Letter - C | 0 | - | 4.47 | 157,432 |
| Geography by Letter - D | 0 | - | 4.50 | 149,368 |
| Geography by Letter - E | 0 | - | 4.42 | 146,542 |
| Geography by Letter - I | 0 | - | 4.42 | 121,099 |
| Geography by Letter - K | 0 | - | 4.53 | 117,231 |
| Geography by Letter - L | 0 | - | 4.43 | 147,509 |
| Geography by Letter - M | 0 | - | 4.49 | 117,516 |
| Geography by Letter - N | 0 | - | 4.51 | 126,138 |
| Geography by Letter - P | 0 | - | 4.47 | 175,026 |
| Geography by Letter - R | 0 | - | 4.43 | 130,189 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 139,260 |
| Geography by Letter - U | 0 | - | 4.54 | 141,932 |
| Asian Geography By Letter - K | 0 | - | 4.74 | 57,944 |
| A to Z: Musical Terms | 0 | - | 4.43 | 40,981 |
| Geography A-Z #2 | 0 | - | 4.46 | 52,662 |
| Geography A-Z #5 | 0 | - | 4.47 | 37,170 |
| Empires A-Z | 0 | - | 4.51 | 44,778 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,307 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 124,853 |
| 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 | 152,028 |
| History by Letter - B | 0 | - | 4.45 | 171,171 |
| History by Letter - C | 0 | - | 4.69 | 170,194 |
| History by Letter - E | 0 | - | 4.51 | 139,764 |
| History by Letter - G | 0 | - | 4.45 | 121,375 |
| History by Letter - H | 0 | - | 4.45 | 135,805 |
| History by Letter - J | 0 | - | 4.51 | 153,153 |
| History by Letter - N | 0 | - | 4.44 | 103,342 |
| History by Letter - S | 0 | - | 4.47 | 93,629 |
| History by Letter - W | 0 | - | 4.45 | 108,670 |
| History by Letter - M | 0 | - | 4.54 | 119,037 |
| History by Letter - K | 0 | - | 4.50 | 100,781 |
| History by Letter - L | 0 | - | 4.49 | 111,451 |
| History by Letter - I | 0 | - | 4.46 | 103,627 |
| Brand Logos That Start with A | 0 | - | 4.51 | 69,158 |
| Brand Logos That Start With B | 0 | - | 4.41 | 59,115 |
| Brand Logos That Start With M | 0 | - | 4.45 | 61,670 |
| Authors of Children's Books | 0 | - | 4.23 | 19,942 |
| 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 | 32,074 |
| 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 | 40,377 |
| Countries by Military Spending | 0 | - | 4.93 | 176,302 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 119,605 |
| "Of Something" Book Titles | 0 | - | 4.45 | 47,920 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,303,869 |
| Animals that Start with L | 0 | - | 4.47 | 101,210 |
| Animals that Start with P | 0 | - | 4.45 | 85,604 |
| Animals that Start with S | 0 | - | 4.49 | 86,771 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 89,560 |
| Geography by Letter on the World Map - C | 0 | - | 4.78 | 116,514 |
| World Cities A-Z by Clue #1 | 0 | - | 4.54 | 65,247 |
| Islands A-Z | 0 | - | 4.46 | 116,675 |
| World Cities A-Z by Clue #2 | 0 | - | 4.44 | 56,820 |
| Human Body A-Z | 0 | - | 4.51 | 128,205 |
| Asian Cities A-Z by Clue | 0 | - | 4.53 | 33,683 |
| Animals A-Z #1 | 0 | - | 4.41 | 92,768 |
| Africa A-Z | 0 | - | 4.57 | 46,349 |
| Ethnic Groups A-Z | 0 | - | 4.50 | 42,020 |
| People in History A-Z #1 | 0 | - | 4.63 | 98,537 |
| People in History A-Z #2 | 0 | - | 4.47 | 54,774 |
| People in History A-Z #3 | 0 | - | 4.44 | 45,933 |
| Books by Clue #2 | 0 | - | 4.43 | 26,592 |
| Disney A-Z | 0 | - | 4.37 | 86,076 |
| Companies A-Z | 0 | - | 4.30 | 42,601 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,467 |
| Religion A-Z #2 | 0 | - | 4.40 | 36,793 |
| Geography by Letter - G | 0 | - | 4.35 | 125,375 |
| Geography by Letter - F | 0 | - | 4.27 | 136,948 |
| Geography by Letter - J | 0 | - | 4.34 | 122,070 |
| Geography by Letter - O | 0 | - | 4.37 | 128,891 |
| Geography by Letter - V | 0 | - | 4.39 | 120,458 |
| Geography by Letter - W | 0 | - | 4.39 | 114,085 |
| Geography by Letter - Y | 0 | - | 4.39 | 110,554 |
| Geography by Letter - Z | 0 | - | 4.11 | 80,939 |
| Geography by Letter - Q | 0 | - | 4.38 | 68,786 |
| 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 | 39,057 |
| 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 | 84,875 |
| 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 | 41,090 |
| 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 | 136,825 |
| History by Letter - F | 0 | - | 4.18 | 113,640 |
| History by Letter - O | 0 | - | 4.31 | 99,005 |
| History by Letter - P | 0 | - | 4.38 | 107,288 |
| History by Letter - Q | 0 | - | 4.34 | 79,939 |
| History by Letter - R | 0 | - | 4.26 | 121,595 |
| History by Letter - T | 0 | - | 4.39 | 104,826 |
| History by Letter - U | 0 | - | 4.19 | 100,187 |
| History by Letter - V | 0 | - | 4.27 | 80,328 |
| History by Letter - Y | 0 | - | 4.27 | 86,901 |
| 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 | 26,780 |
| Music by Letter - A | 0 | - | 4.61 | 31,156 |
| Brand Logos That Start With D | 0 | - | 4.37 | 60,583 |
| Brand Logos That Start With C | 0 | - | 4.17 | 48,965 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,110 |
| Brand Logos That Start With S | 0 | - | 4.37 | 56,602 |
| 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 | 41,649 |
| Bestselling Authors | 0 | - | 4.10 | 18,801 |
| Characters from Books #2 | 0 | - | 4.42 | 79,490 |
| Nursery Rhymes #2 | 0 | - | 4.22 | 15,418 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 155,689 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 66,818 |
| Middle East A-Z | 0 | - | 4.47 | 45,754 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,128 |
| 20th Century A-Z | 0 | - | 4.50 | 53,131 |
| 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 | 30,525 |
| 5-Letter Literature Chain | 0 | - | 4.29 | 54,591 |
| 4-Letter Literature Chain | 0 | - | 4.39 | 42,216 |
| 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 | 85,017 |
| Star Wars A-Z | 0 | - | 4.46 | 87,088 |
| Monarchies of the World | 0 | - | 4.94 | 166,439 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.91 | 111,436 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 110,836 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 113,359 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 74,624 |
| Astronomy Quiz | 0 | - | 4.89 | 81,604 |
| Google What's the Difference? - Animals | 0 | - | 4.93 | 92,383 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.89 | 65,116 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,658 |
