| Classic Novels by Plot #2 | 0 | - | 4.81 | 31,097 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.41 | 13,922 |
| Literature by Letter - D | 0 | - | 4.24 | 18,715 |
| Literature by Letter - C | 0 | - | 4.32 | 24,446 |
| Literature by Letter - F | 0 | - | 4.28 | 15,583 |
| Literature by Letter - E | 0 | - | 4.02 | 13,498 |
| Literature by Letter - H | 0 | - | 4.22 | 16,607 |
| Literature by Letter - I | 0 | - | 4.19 | 13,886 |
| Literature by Letter - L | 0 | - | 4.31 | 21,654 |
| Literature by Letter - M | 0 | - | 4.19 | 17,250 |
| Literature by Letter - P | 0 | - | 4.15 | 15,507 |
| Literature by Letter - O | 0 | - | 4.28 | 12,361 |
| Literature by Letter - J | 0 | - | 4.20 | 13,549 |
| Literature by Letter - N | 0 | - | 4.20 | 13,086 |
| Literature by Letter - K | 0 | - | 4.12 | 11,130 |
| Literature by Letter - R | 0 | - | 4.02 | 10,825 |
| Literature by Letter - T | 0 | - | 4.35 | 17,189 |
| Literature by Letter - U | 0 | - | 4.18 | 12,091 |
| Literature by Letter - V | 0 | - | 4.04 | 10,701 |
| Literature by Letter - W | 0 | - | 4.12 | 12,454 |
| Geography by Letter - T | 0 | - | 4.82 | 121,650 |
| Authors with Books Turned into Movies | 0 | - | 4.47 | 58,434 |
| Classic Novels by Plot #1 | 0 | - | 4.42 | 67,934 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.87 | 68,596 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 91,554 |
| Geography by Letter on the World Map - C | 0 | - | 4.84 | 102,413 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 139,975 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 181,339 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 161,478 |
| Biggest Countries by Area A-Z | 0 | - | 4.95 | 176,255 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 286,830 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 167,000 |
| Famous Literary Characters | 0 | - | 4.36 | 33,309 |
| Charlie and the Chocolate Factory | 0 | - | 4.43 | 14,659 |
| Literature Multiple Choice #1 | 0 | - | 4.54 | 37,077 |
| Literature Multiple Choice #2 | 0 | - | 4.42 | 31,948 |
| Who Wrote That Book #2 | 0 | - | 4.43 | 43,534 |
| 100 Books You Can't Do Without | 0 | - | 4.47 | 51,539 |
| Literature by Letter - G | 0 | - | 3.89 | 13,149 |
| Literature by Letter - S | 0 | - | 3.94 | 10,789 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 213,659 |
| 19th Century A-Z | 0 | - | 4.82 | 34,292 |
| Book Titles by Synonyms #1 | 0 | - | 4.72 | 71,017 |
| Ultimate Percy Jackson Characters Quiz | 0 | - | 4.44 | 41,843 |
| Brand Logos That Start with A | 0 | - | 4.52 | 55,856 |
| Brand Logos That Start With B | 0 | - | 4.47 | 47,997 |
| NATO Military Alphabet | 0 | - | 4.98 | 485,794 |
| Disney A-Z | 0 | - | 4.41 | 77,908 |
| Geography by Letter - A | 0 | - | 4.70 | 191,473 |
| Geography by Letter - B | 0 | - | 4.57 | 164,369 |
| Geography by Letter - H | 0 | - | 4.72 | 133,080 |
| Geography by Letter - C | 0 | - | 4.50 | 141,172 |
| Geography by Letter - D | 0 | - | 4.47 | 134,941 |
| Geography by Letter - I | 0 | - | 4.43 | 109,619 |
| Geography by Letter - K | 0 | - | 4.54 | 105,460 |
| Geography by Letter - L | 0 | - | 4.45 | 133,893 |
| Geography by Letter - M | 0 | - | 4.48 | 104,509 |
| Geography by Letter - N | 0 | - | 4.53 | 113,786 |
| Geography by Letter - P | 0 | - | 4.43 | 151,121 |
| Geography by Letter - S #1 | 0 | - | 4.79 | 114,524 |
| Geography by Letter - U | 0 | - | 4.52 | 117,021 |
| Geography by Letter - W | 0 | - | 4.43 | 95,611 |
| Asian Geography By Letter - K | 0 | - | 4.77 | 54,908 |
| A to Z: Musical Terms | 0 | - | 4.44 | 37,601 |
| Geography A-Z #2 | 0 | - | 4.46 | 49,231 |
| Geography A-Z #5 | 0 | - | 4.42 | 34,694 |
| Geography A-Z #1 | 0 | - | 4.55 | 65,794 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 109,150 |
| Movies that Start with G | 0 | - | 4.51 | 64,461 |
| Movies that Start with I | 0 | - | 4.41 | 61,413 |
| History by Letter - A | 0 | - | 4.50 | 138,232 |
| History by Letter - B | 0 | - | 4.48 | 155,732 |
| History by Letter - C | 0 | - | 4.71 | 153,280 |
| History by Letter - E | 0 | - | 4.50 | 127,029 |
| History by Letter - G | 0 | - | 4.48 | 110,261 |
| History by Letter - H | 0 | - | 4.42 | 123,091 |
| History by Letter - J | 0 | - | 4.49 | 139,557 |
| History by Letter - N | 0 | - | 4.44 | 94,021 |
| History by Letter - S | 0 | - | 4.46 | 84,742 |
| History by Letter - W | 0 | - | 4.45 | 98,206 |
| History by Letter - M | 0 | - | 4.55 | 108,934 |
| History by Letter - K | 0 | - | 4.48 | 91,903 |
| History by Letter - L | 0 | - | 4.47 | 102,052 |
| History by Letter - I | 0 | - | 4.51 | 94,767 |
| Authors of Children's Books | 0 | - | 4.21 | 19,377 |
| Dewey Decimal System | 0 | - | 4.28 | 13,116 |
| Nonfiction Books Quiz | 0 | - | 4.51 | 21,008 |
| Who Wrote That Book #1 | 0 | - | 4.40 | 85,405 |
| 1984 the Book | 0 | - | 4.62 | 20,010 |
| Winnie-the-Pooh Characters | 0 | - | 4.41 | 27,705 |
| Nursery Rhymes Quiz | 0 | - | 4.26 | 39,492 |
| Countries by Military Spending | 0 | - | 4.93 | 159,171 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.90 | 97,358 |
| "Of Something" Book Titles | 0 | - | 4.43 | 45,418 |
| 100 Most Common English Words | 0 | - | 4.90 | 1,169,115 |
| Animals that Start with L | 0 | - | 4.43 | 94,138 |
| Animals that Start with P | 0 | - | 4.42 | 79,647 |
| Animals that Start with S | 0 | - | 4.49 | 80,317 |
| Geography by Letter on the World Map - B | 0 | - | 4.50 | 78,210 |
| World Cities A-Z #1 | 0 | - | 4.54 | 58,897 |
| Islands A-Z | 0 | - | 4.46 | 105,123 |
| World Cities A-Z #2 | 0 | - | 4.46 | 51,566 |
| Human Body A-Z | 0 | - | 4.49 | 108,171 |
| Africa A-Z | 0 | - | 4.54 | 43,706 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.72 | 53,817 |
| People in History A-Z #1 | 0 | - | 4.65 | 90,711 |
| People in History A-Z #2 | 0 | - | 4.46 | 50,080 |
| People in History A-Z #3 | 0 | - | 4.47 | 42,259 |
| Brand Logos That Start With D | 0 | - | 4.34 | 49,264 |
| Brand Logos That Start With C | 0 | - | 4.13 | 40,310 |
| Brand Logos That Start With L | 0 | - | 4.36 | 47,160 |
| Companies A-Z | 0 | - | 4.32 | 41,398 |
| Religion A-Z #1 | 0 | - | 4.30 | 58,587 |
| Religion A-Z #2 | 0 | - | 4.50 | 26,277 |
| Geography by Letter - E | 0 | - | 4.39 | 132,709 |
| Geography by Letter - G | 0 | - | 4.35 | 112,760 |
| Geography by Letter - F | 0 | - | 4.26 | 123,596 |
| Geography by Letter - J | 0 | - | 4.36 | 110,317 |
| Geography by Letter - O | 0 | - | 4.37 | 108,119 |
| Geography by Letter - R | 0 | - | 4.40 | 103,566 |
| Geography by Letter - V | 0 | - | 4.38 | 95,240 |
| Geography by Letter - Y | 0 | - | 4.36 | 91,053 |
| Geography by Letter - Z | 0 | - | 4.04 | 62,580 |
| Geography by Letter - Q | 0 | - | 4.33 | 51,507 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.20 | 33,190 |
| Video Games A-Z | 0 | - | 4.04 | 35,248 |
| Geography A-Z #3 | 0 | - | 4.21 | 36,658 |
| Movies that Start with A | 0 | - | 4.10 | 58,273 |
| Movies that Start with C | 0 | - | 4.30 | 57,585 |
| Movies that Start with B | 0 | - | 4.36 | 80,218 |
| Movies that Start with D | 0 | - | 4.35 | 65,281 |
| Movies that Start with E | 0 | - | 4.16 | 65,157 |
| Movies that Start with J | 0 | - | 4.22 | 72,338 |
| Movies that Start with L | 0 | - | 4.17 | 57,615 |
| Movies that Start with M | 0 | - | 4.27 | 45,903 |
| Movies that Start with N | 0 | - | 4.06 | 39,122 |
| Movies that Start with P | 0 | - | 4.25 | 51,840 |
| Movies that Start with R | 0 | - | 4.13 | 43,648 |
| Movies that Start with W | 0 | - | 4.05 | 42,400 |
| Movies that Start with T | 0 | - | 4.37 | 46,695 |
| Movies that Start with S | 0 | - | 4.37 | 53,651 |
| Movies that Start with F | 0 | - | 4.15 | 65,720 |
| History by Letter - D | 0 | - | 4.34 | 125,528 |
| History by Letter - F | 0 | - | 4.18 | 104,003 |
| History by Letter - O | 0 | - | 4.30 | 90,894 |
| History by Letter - P | 0 | - | 4.37 | 98,259 |
| History by Letter - Q | 0 | - | 4.35 | 73,884 |
| History by Letter - R | 0 | - | 4.22 | 112,371 |
| History by Letter - T | 0 | - | 4.40 | 96,378 |
| History by Letter - U | 0 | - | 4.19 | 92,025 |
| History by Letter - V | 0 | - | 4.27 | 74,453 |
| History by Letter - Y | 0 | - | 4.28 | 80,734 |
| History by Letter - Z | 0 | - | 4.20 | 71,561 |
| The 3rd and 4th Century | 0 | - | 4.53 | 19,854 |
| Music by Letter - F | 0 | - | 4.44 | 24,743 |
| Music by Letter - A | 0 | - | 4.60 | 28,759 |
| Word Puzzles - Book Titles #1 | 0 | - | 4.40 | 26,186 |
| Word Puzzles - Book Titles #2 | 0 | - | 4.39 | 20,870 |
| Famous Literature Fractured | 0 | - | 4.06 | 8,904 |
| The 100 Greatest Novels | 0 | - | 3.76 | 39,744 |
| Authors by Country Quiz | 0 | - | 4.35 | 30,919 |
| Bestselling Authors Quiz | 0 | - | 4.09 | 17,396 |
| Nursery Rhymes #2 | 0 | - | 4.26 | 14,969 |
| Most Common English Verbs - Extreme | 0 | - | 4.95 | 136,467 |
| Top Five Exporting Partners by Country | 0 | - | 4.84 | 61,929 |
| The Americas Geography by Letter - B | 0 | - | 4.51 | 48,870 |
| The Americas Geography by Letter - S | 0 | - | 4.56 | 41,538 |
| Middle East A-Z | 0 | - | 4.45 | 43,051 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.43 | 41,316 |
| 20th Century A-Z | 0 | - | 4.48 | 38,635 |
| Modern Library's 100 Best Novels | 0 | - | 4.00 | 10,485 |
| Books by City | 0 | - | 3.98 | 13,421 |
| Books by Clue #1 | 0 | - | 4.40 | 24,481 |
| Books by Clue #2 | 0 | - | 4.39 | 25,224 |
| Literary Groups of Things | 0 | - | 4.22 | 29,178 |
| 5-Letter Literature Chain | 0 | - | 4.32 | 51,729 |
| 4-Letter Literature Chain | 0 | - | 4.38 | 39,825 |
| Sci-Fi and Fantasy Authors | 0 | - | 4.31 | 13,594 |
| Hunger Games Trivia | 0 | - | 4.33 | 49,022 |
| Top Arms Exporting Countries | 0 | - | 4.95 | 76,368 |
| Star Wars A-Z | 0 | - | 4.45 | 79,280 |
| Monarchies of the World | 0 | - | 4.93 | 152,734 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.91 | 81,572 |
| Countries where the Sea Freezes | 0 | - | 4.91 | 81,272 |
| Largest Countries Without Deserts | 0 | - | 4.86 | 66,172 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.78 | 700,752 |
| A Quiz About Buddhism | 0 | - | 4.81 | 16,704 |
| Astronomy Quiz | 0 | - | 4.87 | 64,338 |
| Google What's the Difference? - Animals | 0 | - | 4.93 | 87,186 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.90 | 57,807 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.88 | 91,285 |
| Musical Acts by Letter - J | 0 | - | 4.20 | 68,475 |
| Musical Acts by Letter - M | 0 | - | 4.14 | 77,297 |
| Musical Acts by Letter - N | 0 | - | 4.03 | 56,468 |
| Musical Acts by Letter - P | 0 | - | 4.16 | 53,283 |
| Musical Acts by Letter - R | 0 | - | 4.26 | 69,953 |
| Musical Acts by Letter - A | 0 | - | 4.27 | 72,599 |
| Musical Acts by Letter - B | 0 | - | 4.28 | 63,969 |
| Musical Acts by Letter - C | 0 | - | 4.38 | 52,533 |
| Musical Acts by Letter - D | 0 | - | 4.09 | 46,334 |
