| Classic Novels by Plot #2 | 0 | - | 4.81 | 31,334 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.41 | 13,999 |
| Literature by Letter - A | 0 | - | 4.21 | 29,533 |
| Literature by Letter - D | 0 | - | 4.24 | 18,857 |
| Literature by Letter - C | 0 | - | 4.32 | 24,590 |
| Literature by Letter - F | 0 | - | 4.28 | 15,697 |
| Literature by Letter - E | 0 | - | 4.02 | 13,607 |
| Literature by Letter - I | 0 | - | 4.19 | 13,982 |
| Literature by Letter - L | 0 | - | 4.31 | 21,767 |
| Literature by Letter - M | 0 | - | 4.19 | 17,359 |
| Literature by Letter - P | 0 | - | 4.15 | 15,599 |
| Literature by Letter - O | 0 | - | 4.28 | 12,437 |
| Literature by Letter - J | 0 | - | 4.20 | 13,643 |
| Literature by Letter - N | 0 | - | 4.20 | 13,163 |
| Literature by Letter - K | 0 | - | 4.12 | 11,216 |
| Literature by Letter - R | 0 | - | 4.02 | 10,903 |
| Literature by Letter - T | 0 | - | 4.35 | 17,285 |
| Literature by Letter - U | 0 | - | 4.18 | 12,162 |
| Literature by Letter - V | 0 | - | 4.04 | 10,768 |
| Literature by Letter - W | 0 | - | 4.12 | 12,519 |
| Geography by Letter - T | 0 | - | 4.82 | 124,196 |
| Authors with Books Turned into Movies | 0 | - | 4.47 | 58,722 |
| Classic Novels by Plot #1 | 0 | - | 4.42 | 68,254 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.87 | 69,852 |
| Geography by Letter on the World Map - A | 0 | - | 4.82 | 93,153 |
| Geography by Letter on the World Map - C | 0 | - | 4.84 | 103,818 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 140,325 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 182,385 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 162,389 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 177,484 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 287,836 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 168,278 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.82 | 66,134 |
| Famous Literary Characters | 0 | - | 4.36 | 33,451 |
| Charlie and the Chocolate Factory | 0 | - | 4.43 | 14,714 |
| Literature Multiple Choice #1 | 0 | - | 4.54 | 37,323 |
| Literature Multiple Choice #2 | 0 | - | 4.42 | 32,108 |
| Who Wrote That Book #2 | 0 | - | 4.44 | 43,732 |
| 100 Books You Can't Do Without | 0 | - | 4.48 | 51,842 |
| Literature by Letter - G | 0 | - | 3.89 | 13,240 |
| Literature by Letter - S | 0 | - | 3.94 | 10,863 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 215,331 |
| 19th Century A-Z | 0 | - | 4.82 | 34,564 |
| Book Titles by Synonyms #1 | 0 | - | 4.72 | 71,361 |
| Ultimate Percy Jackson Characters Quiz | 0 | - | 4.45 | 42,081 |
| Brand Logos That Start with A | 0 | - | 4.52 | 57,239 |
| NATO Military Alphabet | 0 | - | 4.98 | 504,379 |
| Geography by Letter - A | 0 | - | 4.70 | 193,664 |
| Geography by Letter - B | 0 | - | 4.57 | 166,619 |
| Geography by Letter - H | 0 | - | 4.75 | 135,072 |
| Geography by Letter - C | 0 | - | 4.50 | 143,100 |
| Geography by Letter - D | 0 | - | 4.47 | 136,562 |
| Geography by Letter - I | 0 | - | 4.43 | 111,019 |
| Geography by Letter - K | 0 | - | 4.54 | 106,697 |
| Geography by Letter - L | 0 | - | 4.45 | 135,764 |
| Geography by Letter - M | 0 | - | 4.48 | 106,217 |
| Geography by Letter - N | 0 | - | 4.53 | 115,400 |
| Geography by Letter - P | 0 | - | 4.46 | 162,521 |
| Geography by Letter - S #1 | 0 | - | 4.79 | 116,364 |
| Geography by Letter - U | 0 | - | 4.54 | 118,675 |
| Geography by Letter - W | 0 | - | 4.42 | 96,722 |
| Asian Geography By Letter - K | 0 | - | 4.77 | 55,641 |
| A to Z: Musical Terms | 0 | - | 4.44 | 37,852 |
| Geography A-Z #2 | 0 | - | 4.46 | 49,545 |
| Geography A-Z #5 | 0 | - | 4.42 | 34,898 |
| Geography A-Z #1 | 0 | - | 4.55 | 66,082 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 109,697 |
| Movies that Start with G | 0 | - | 4.48 | 64,810 |
| Movies that Start with I | 0 | - | 4.41 | 61,745 |
| History by Letter - A | 0 | - | 4.50 | 139,185 |
| History by Letter - B | 0 | - | 4.48 | 156,919 |
| History by Letter - C | 0 | - | 4.70 | 154,532 |
| History by Letter - E | 0 | - | 4.49 | 127,953 |
| History by Letter - G | 0 | - | 4.48 | 111,170 |
| History by Letter - H | 0 | - | 4.42 | 124,104 |
| History by Letter - J | 0 | - | 4.49 | 140,756 |
| History by Letter - N | 0 | - | 4.44 | 94,694 |
| History by Letter - S | 0 | - | 4.46 | 85,359 |
| History by Letter - W | 0 | - | 4.45 | 99,116 |
| History by Letter - M | 0 | - | 4.54 | 109,667 |
| History by Letter - K | 0 | - | 4.48 | 92,603 |
| History by Letter - L | 0 | - | 4.47 | 102,787 |
| History by Letter - I | 0 | - | 4.48 | 95,410 |
| Authors of Children's Books | 0 | - | 4.21 | 19,402 |
| Modern Library's 100 Best Novels | 0 | - | 4.02 | 10,525 |
| Dewey Decimal System | 0 | - | 4.28 | 13,127 |
| Nonfiction Books Quiz | 0 | - | 4.51 | 21,076 |
| Who Wrote That Book #1 | 0 | - | 4.40 | 85,910 |
| 1984 the Book | 0 | - | 4.62 | 20,087 |
| Winnie-the-Pooh Characters | 0 | - | 4.42 | 27,761 |
| Nursery Rhymes Quiz | 0 | - | 4.26 | 39,553 |
| Countries by Military Spending | 0 | - | 4.93 | 160,874 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.90 | 98,385 |
| "Of Something" Book Titles | 0 | - | 4.43 | 45,595 |
| 100 Most Common English Words | 0 | - | 4.90 | 1,180,380 |
| Animals that Start with L | 0 | - | 4.44 | 94,820 |
| Animals that Start with P | 0 | - | 4.43 | 80,060 |
| Animals that Start with S | 0 | - | 4.49 | 80,937 |
| Geography by Letter on the World Map - B | 0 | - | 4.50 | 79,240 |
| World Cities A-Z #1 | 0 | - | 4.54 | 59,125 |
| Islands A-Z | 0 | - | 4.46 | 106,314 |
| World Cities A-Z #2 | 0 | - | 4.46 | 51,775 |
| Human Body A-Z | 0 | - | 4.49 | 109,056 |
| Africa A-Z | 0 | - | 4.54 | 43,893 |
| People in History A-Z #1 | 0 | - | 4.65 | 91,233 |
| People in History A-Z #2 | 0 | - | 4.46 | 50,363 |
| People in History A-Z #3 | 0 | - | 4.47 | 42,448 |
| Brand Logos That Start With L | 0 | - | 4.36 | 48,516 |
| Disney A-Z | 0 | - | 4.39 | 78,882 |
| Companies A-Z | 0 | - | 4.32 | 41,487 |
| Religion A-Z #1 | 0 | - | 4.31 | 58,852 |
| Religion A-Z #2 | 0 | - | 4.50 | 26,444 |
| Geography by Letter - E | 0 | - | 4.40 | 134,289 |
| Geography by Letter - G | 0 | - | 4.36 | 114,291 |
| Geography by Letter - F | 0 | - | 4.27 | 124,981 |
| Geography by Letter - J | 0 | - | 4.36 | 111,600 |
| Geography by Letter - O | 0 | - | 4.38 | 117,664 |
| Geography by Letter - R | 0 | - | 4.40 | 105,745 |
| Geography by Letter - V | 0 | - | 4.38 | 96,714 |
| Geography by Letter - Y | 0 | - | 4.37 | 92,094 |
| Geography by Letter - Z | 0 | - | 4.04 | 63,773 |
| Geography by Letter - Q | 0 | - | 4.33 | 52,673 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.20 | 33,342 |
| Video Games A-Z | 0 | - | 4.04 | 35,513 |
| Geography A-Z #3 | 0 | - | 4.21 | 36,844 |
| Movies that Start with A | 0 | - | 4.11 | 58,603 |
| Movies that Start with C | 0 | - | 4.30 | 58,009 |
| Movies that Start with B | 0 | - | 4.36 | 80,747 |
| Movies that Start with D | 0 | - | 4.35 | 65,589 |
| Movies that Start with E | 0 | - | 4.16 | 65,473 |
| Movies that Start with J | 0 | - | 4.22 | 72,682 |
| Movies that Start with L | 0 | - | 4.17 | 57,843 |
| Movies that Start with M | 0 | - | 4.27 | 46,101 |
| Movies that Start with N | 0 | - | 4.06 | 39,318 |
| Movies that Start with P | 0 | - | 4.25 | 52,037 |
| Movies that Start with R | 0 | - | 4.13 | 43,901 |
| Movies that Start with W | 0 | - | 4.06 | 42,550 |
| Movies that Start with T | 0 | - | 4.37 | 46,912 |
| Movies that Start with S | 0 | - | 4.37 | 53,894 |
| Movies that Start with F | 0 | - | 4.15 | 65,982 |
| History by Letter - D | 0 | - | 4.34 | 126,366 |
| History by Letter - F | 0 | - | 4.18 | 104,637 |
| History by Letter - O | 0 | - | 4.30 | 91,667 |
| History by Letter - P | 0 | - | 4.37 | 98,878 |
| History by Letter - Q | 0 | - | 4.35 | 74,327 |
| History by Letter - R | 0 | - | 4.22 | 113,022 |
| History by Letter - T | 0 | - | 4.40 | 96,948 |
| History by Letter - U | 0 | - | 4.19 | 92,838 |
| History by Letter - V | 0 | - | 4.27 | 74,914 |
| History by Letter - Y | 0 | - | 4.28 | 81,222 |
| History by Letter - Z | 0 | - | 4.20 | 71,980 |
| The 3rd and 4th Century | 0 | - | 4.53 | 20,135 |
| Music by Letter - F | 0 | - | 4.45 | 24,915 |
| Music by Letter - P | 0 | - | 4.41 | 17,974 |
| Music by Letter - A | 0 | - | 4.60 | 28,932 |
| Word Puzzles - Book Titles #1 | 0 | - | 4.40 | 26,281 |
| Word Puzzles - Book Titles #2 | 0 | - | 4.39 | 20,928 |
| Famous Literature Fractured | 0 | - | 4.07 | 8,955 |
| The 100 Greatest Novels | 0 | - | 3.76 | 39,843 |
| Authors by Country Quiz | 0 | - | 4.36 | 30,980 |
| Bestselling Authors Quiz | 0 | - | 4.09 | 17,465 |
| Characters from Books #2 | 0 | - | 4.41 | 75,148 |
| Nursery Rhymes #2 | 0 | - | 4.26 | 14,997 |
| Most Common English Verbs - Extreme | 0 | - | 4.95 | 138,338 |
| Top Five Exporting Partners by Country | 0 | - | 4.85 | 62,390 |
| The Americas Geography by Letter - B | 0 | - | 4.51 | 49,040 |
| The Americas Geography by Letter - S | 0 | - | 4.56 | 41,663 |
| Middle East A-Z | 0 | - | 4.45 | 43,257 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.44 | 41,544 |
| 20th Century A-Z | 0 | - | 4.48 | 38,889 |
| 18th Century A-Z | 0 | - | 4.60 | 31,705 |
| Books by City | 0 | - | 3.98 | 13,447 |
| Books by Clue #1 | 0 | - | 4.40 | 24,539 |
| Books by Clue #2 | 0 | - | 4.39 | 25,296 |
| Literary Groups of Things | 0 | - | 4.22 | 29,275 |
| 5-Letter Literature Chain | 0 | - | 4.32 | 51,953 |
| 4-Letter Literature Chain | 0 | - | 4.38 | 40,035 |
| Sci-Fi and Fantasy Authors | 0 | - | 4.31 | 13,627 |
| Hunger Games Trivia | 0 | - | 4.34 | 49,303 |
| Top Arms Exporting Countries | 0 | - | 4.95 | 77,079 |
| Star Wars A-Z | 0 | - | 4.44 | 80,213 |
| Monarchies of the World | 0 | - | 4.93 | 153,503 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.91 | 82,108 |
| Countries where the Sea Freezes | 0 | - | 4.91 | 81,830 |
| Largest Countries Without Deserts | 0 | - | 4.86 | 66,770 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.76 | 708,748 |
| A Quiz About Buddhism | 0 | - | 4.81 | 16,788 |
| Astronomy Quiz | 0 | - | 4.87 | 64,930 |
| Google What's the Difference? - Animals | 0 | - | 4.93 | 87,782 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.89 | 58,356 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.86 | 91,927 |
| Musical Acts by Letter - J | 0 | - | 4.19 | 71,524 |
| Musical Acts by Letter - M | 0 | - | 4.12 | 79,054 |
| Musical Acts by Letter - N | 0 | - | 4.06 | 57,605 |
| Musical Acts by Letter - P | 0 | - | 4.18 | 54,381 |
| Musical Acts by Letter - R | 0 | - | 4.24 | 71,062 |
| Musical Acts by Letter - T | 0 | - | 4.00 | 54,947 |
| Musical Acts by Letter - A | 0 | - | 4.27 | 74,221 |
| Musical Acts by Letter - B | 0 | - | 4.29 | 65,470 |
| Musical Acts by Letter - C | 0 | - | 4.39 | 53,769 |
