| Classic Novels by Plot #2 | 0 | - | 4.81 | 31,357 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.41 | 14,002 |
| Literature by Letter - A | 0 | - | 4.21 | 29,546 |
| Literature by Letter - C | 0 | - | 4.32 | 24,599 |
| Literature by Letter - F | 0 | - | 4.28 | 15,704 |
| Literature by Letter - E | 0 | - | 4.02 | 13,613 |
| Literature by Letter - H | 0 | - | 4.22 | 16,724 |
| Literature by Letter - I | 0 | - | 4.19 | 13,988 |
| Literature by Letter - L | 0 | - | 4.31 | 21,772 |
| Literature by Letter - M | 0 | - | 4.19 | 17,368 |
| Literature by Letter - P | 0 | - | 4.15 | 15,605 |
| Literature by Letter - O | 0 | - | 4.28 | 12,439 |
| Literature by Letter - J | 0 | - | 4.20 | 13,647 |
| Literature by Letter - N | 0 | - | 4.20 | 13,167 |
| Literature by Letter - K | 0 | - | 4.12 | 11,220 |
| Literature by Letter - R | 0 | - | 4.02 | 10,908 |
| Literature by Letter - T | 0 | - | 4.35 | 17,288 |
| Literature by Letter - U | 0 | - | 4.18 | 12,165 |
| Literature by Letter - V | 0 | - | 4.04 | 10,770 |
| Literature by Letter - W | 0 | - | 4.12 | 12,521 |
| Geography by Letter - T | 0 | - | 4.82 | 124,363 |
| Authors with Books Turned into Movies | 0 | - | 4.47 | 58,739 |
| Classic Novels by Plot #1 | 0 | - | 4.42 | 68,278 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.87 | 69,949 |
| Geography by Letter on the World Map - A | 0 | - | 4.82 | 93,240 |
| Geography by Letter on the World Map - C | 0 | - | 4.84 | 103,916 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 140,355 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 182,459 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 162,638 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 177,597 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 287,901 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 168,366 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.82 | 66,192 |
| Famous Literary Characters | 0 | - | 4.36 | 33,464 |
| Charlie and the Chocolate Factory | 0 | - | 4.43 | 14,726 |
| Literature Multiple Choice #1 | 0 | - | 4.54 | 37,345 |
| Literature Multiple Choice #2 | 0 | - | 4.42 | 32,123 |
| Who Wrote That Book #2 | 0 | - | 4.44 | 43,741 |
| 100 Books You Can't Do Without | 0 | - | 4.48 | 51,865 |
| Literature by Letter - G | 0 | - | 3.89 | 13,247 |
| Literature by Letter - S | 0 | - | 3.94 | 10,867 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 215,461 |
| 19th Century A-Z | 0 | - | 4.82 | 34,584 |
| Book Titles by Synonyms #1 | 0 | - | 4.72 | 71,393 |
| Ultimate Percy Jackson Characters Quiz | 0 | - | 4.45 | 42,106 |
| Brand Logos That Start with A | 0 | - | 4.52 | 57,332 |
| NATO Military Alphabet | 0 | - | 4.98 | 504,650 |
| Geography by Letter - A | 0 | - | 4.70 | 193,785 |
| Geography by Letter - B | 0 | - | 4.55 | 166,754 |
| Geography by Letter - H | 0 | - | 4.75 | 135,175 |
| Geography by Letter - C | 0 | - | 4.50 | 143,218 |
| Geography by Letter - D | 0 | - | 4.47 | 136,660 |
| Geography by Letter - I | 0 | - | 4.43 | 111,094 |
| Geography by Letter - K | 0 | - | 4.54 | 106,784 |
| Geography by Letter - L | 0 | - | 4.45 | 135,840 |
| Geography by Letter - M | 0 | - | 4.48 | 106,302 |
| Geography by Letter - N | 0 | - | 4.53 | 115,491 |
| Geography by Letter - P | 0 | - | 4.46 | 162,735 |
| Geography by Letter - S #1 | 0 | - | 4.79 | 116,497 |
| Geography by Letter - U | 0 | - | 4.54 | 118,794 |
| Geography by Letter - W | 0 | - | 4.42 | 97,005 |
| Asian Geography By Letter - K | 0 | - | 4.77 | 55,664 |
| A to Z: Musical Terms | 0 | - | 4.44 | 37,883 |
| Geography A-Z #2 | 0 | - | 4.46 | 49,567 |
| Geography A-Z #5 | 0 | - | 4.42 | 34,919 |
| Geography A-Z #1 | 0 | - | 4.55 | 66,112 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 109,725 |
| Movies that Start with G | 0 | - | 4.48 | 64,832 |
| Movies that Start with I | 0 | - | 4.41 | 61,771 |
| History by Letter - A | 0 | - | 4.50 | 139,266 |
| History by Letter - B | 0 | - | 4.48 | 156,995 |
| History by Letter - C | 0 | - | 4.70 | 154,650 |
| History by Letter - E | 0 | - | 4.49 | 128,015 |
| History by Letter - G | 0 | - | 4.48 | 111,226 |
| History by Letter - H | 0 | - | 4.42 | 124,167 |
| History by Letter - J | 0 | - | 4.49 | 140,837 |
| History by Letter - N | 0 | - | 4.44 | 94,729 |
| History by Letter - S | 0 | - | 4.46 | 85,391 |
| History by Letter - W | 0 | - | 4.45 | 99,163 |
| History by Letter - M | 0 | - | 4.54 | 109,711 |
| History by Letter - K | 0 | - | 4.48 | 92,649 |
| History by Letter - L | 0 | - | 4.47 | 102,821 |
| History by Letter - I | 0 | - | 4.48 | 95,454 |
| Authors of Children's Books | 0 | - | 4.21 | 19,403 |
| Modern Library's 100 Best Novels | 0 | - | 4.02 | 10,530 |
| Dewey Decimal System | 0 | - | 4.28 | 13,127 |
| Nonfiction Books Quiz | 0 | - | 4.51 | 21,079 |
| Who Wrote That Book #1 | 0 | - | 4.40 | 85,934 |
| 1984 the Book | 0 | - | 4.62 | 20,092 |
| Winnie-the-Pooh Characters | 0 | - | 4.42 | 27,765 |
| Nursery Rhymes Quiz | 0 | - | 4.26 | 39,559 |
| Countries by Military Spending | 0 | - | 4.93 | 160,973 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.90 | 98,448 |
| "Of Something" Book Titles | 0 | - | 4.43 | 45,612 |
| 100 Most Common English Words | 0 | - | 4.90 | 1,181,590 |
| Animals that Start with L | 0 | - | 4.44 | 94,861 |
| Animals that Start with P | 0 | - | 4.43 | 80,119 |
| Animals that Start with S | 0 | - | 4.49 | 80,972 |
| Geography by Letter on the World Map - B | 0 | - | 4.49 | 79,310 |
| World Cities A-Z #1 | 0 | - | 4.54 | 59,152 |
| Islands A-Z | 0 | - | 4.46 | 106,374 |
| World Cities A-Z #2 | 0 | - | 4.46 | 51,792 |
| Human Body A-Z | 0 | - | 4.49 | 109,093 |
| Africa A-Z | 0 | - | 4.54 | 43,912 |
| People in History A-Z #1 | 0 | - | 4.65 | 91,283 |
| People in History A-Z #2 | 0 | - | 4.46 | 50,394 |
| People in History A-Z #3 | 0 | - | 4.47 | 42,472 |
| Brand Logos That Start With L | 0 | - | 4.36 | 48,600 |
| Disney A-Z | 0 | - | 4.39 | 78,931 |
| Companies A-Z | 0 | - | 4.32 | 41,496 |
| Religion A-Z #1 | 0 | - | 4.31 | 58,874 |
| Religion A-Z #2 | 0 | - | 4.50 | 26,454 |
| Geography by Letter - E | 0 | - | 4.40 | 134,371 |
| Geography by Letter - G | 0 | - | 4.36 | 114,361 |
| Geography by Letter - F | 0 | - | 4.27 | 125,055 |
| Geography by Letter - J | 0 | - | 4.36 | 111,671 |
| Geography by Letter - O | 0 | - | 4.38 | 117,745 |
| Geography by Letter - R | 0 | - | 4.40 | 105,878 |
| Geography by Letter - V | 0 | - | 4.38 | 96,832 |
| Geography by Letter - Y | 0 | - | 4.37 | 92,169 |
| Geography by Letter - Z | 0 | - | 4.04 | 63,849 |
| Geography by Letter - Q | 0 | - | 4.33 | 52,739 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.20 | 33,363 |
| Video Games A-Z | 0 | - | 4.04 | 35,534 |
| Geography A-Z #3 | 0 | - | 4.21 | 36,862 |
| Movies that Start with A | 0 | - | 4.11 | 58,620 |
| Movies that Start with C | 0 | - | 4.30 | 58,042 |
| Movies that Start with B | 0 | - | 4.36 | 80,775 |
| Movies that Start with D | 0 | - | 4.35 | 65,607 |
| Movies that Start with E | 0 | - | 4.16 | 65,498 |
| Movies that Start with J | 0 | - | 4.22 | 72,703 |
| Movies that Start with L | 0 | - | 4.17 | 57,861 |
| Movies that Start with M | 0 | - | 4.27 | 46,117 |
| Movies that Start with N | 0 | - | 4.06 | 39,327 |
| Movies that Start with P | 0 | - | 4.25 | 52,047 |
| Movies that Start with R | 0 | - | 4.13 | 43,915 |
| Movies that Start with W | 0 | - | 4.06 | 42,559 |
| Movies that Start with T | 0 | - | 4.37 | 46,926 |
| Movies that Start with S | 0 | - | 4.37 | 53,914 |
| Movies that Start with F | 0 | - | 4.15 | 66,006 |
| History by Letter - D | 0 | - | 4.34 | 126,423 |
| History by Letter - F | 0 | - | 4.18 | 104,681 |
| History by Letter - O | 0 | - | 4.30 | 91,692 |
| History by Letter - P | 0 | - | 4.37 | 98,917 |
| History by Letter - Q | 0 | - | 4.35 | 74,345 |
| History by Letter - R | 0 | - | 4.22 | 113,059 |
| History by Letter - T | 0 | - | 4.40 | 96,972 |
| History by Letter - U | 0 | - | 4.19 | 92,862 |
| History by Letter - V | 0 | - | 4.27 | 74,934 |
| History by Letter - Y | 0 | - | 4.28 | 81,246 |
| History by Letter - Z | 0 | - | 4.20 | 71,999 |
| The 3rd and 4th Century | 0 | - | 4.53 | 20,143 |
| Music by Letter - F | 0 | - | 4.45 | 24,929 |
| Music by Letter - P | 0 | - | 4.41 | 17,984 |
| Music by Letter - A | 0 | - | 4.60 | 28,949 |
| Word Puzzles - Book Titles #1 | 0 | - | 4.40 | 26,293 |
| Word Puzzles - Book Titles #2 | 0 | - | 4.39 | 20,933 |
| Famous Literature Fractured | 0 | - | 4.07 | 8,956 |
| The 100 Greatest Novels | 0 | - | 3.76 | 39,851 |
| Authors by Country Quiz | 0 | - | 4.36 | 30,990 |
| Bestselling Authors Quiz | 0 | - | 4.09 | 17,470 |
| Characters from Books #2 | 0 | - | 4.41 | 75,170 |
| Nursery Rhymes #2 | 0 | - | 4.26 | 15,001 |
| Most Common English Verbs - Extreme | 0 | - | 4.95 | 138,490 |
| Top Five Exporting Partners by Country | 0 | - | 4.85 | 62,426 |
| The Americas Geography by Letter - B | 0 | - | 4.51 | 49,056 |
| The Americas Geography by Letter - S | 0 | - | 4.56 | 41,674 |
| Middle East A-Z | 0 | - | 4.46 | 43,284 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.44 | 41,565 |
| 20th Century A-Z | 0 | - | 4.48 | 38,902 |
| 18th Century A-Z | 0 | - | 4.60 | 31,720 |
| Books by City | 0 | - | 3.98 | 13,449 |
| Books by Clue #1 | 0 | - | 4.40 | 24,549 |
| Books by Clue #2 | 0 | - | 4.39 | 25,303 |
| Literary Groups of Things | 0 | - | 4.22 | 29,288 |
| 5-Letter Literature Chain | 0 | - | 4.32 | 51,973 |
| 4-Letter Literature Chain | 0 | - | 4.38 | 40,055 |
| Sci-Fi and Fantasy Authors | 0 | - | 4.31 | 13,631 |
| Hunger Games Trivia | 0 | - | 4.34 | 49,321 |
| Top Arms Exporting Countries | 0 | - | 4.95 | 77,137 |
| Star Wars A-Z | 0 | - | 4.44 | 80,262 |
| Monarchies of the World | 0 | - | 4.93 | 153,820 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.91 | 82,344 |
| Countries where the Sea Freezes | 0 | - | 4.91 | 81,891 |
| Largest Countries Without Deserts | 0 | - | 4.86 | 66,831 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.76 | 709,640 |
| A Quiz About Buddhism | 0 | - | 4.81 | 16,797 |
| Astronomy Quiz | 0 | - | 4.87 | 64,974 |
| Google What's the Difference? - Animals | 0 | - | 4.93 | 87,811 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.89 | 58,385 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.86 | 91,981 |
| Musical Acts by Letter - J | 0 | - | 4.19 | 71,654 |
| Musical Acts by Letter - M | 0 | - | 4.13 | 79,332 |
| Musical Acts by Letter - N | 0 | - | 4.06 | 57,741 |
| Musical Acts by Letter - P | 0 | - | 4.18 | 54,506 |
| Musical Acts by Letter - R | 0 | - | 4.24 | 71,179 |
| Musical Acts by Letter - A | 0 | - | 4.27 | 74,407 |
| Musical Acts by Letter - B | 0 | - | 4.30 | 65,627 |
| Musical Acts by Letter - C | 0 | - | 4.39 | 53,900 |
| Musical Acts by Letter - D | 0 | - | 4.11 | 47,562 |
