| Classic Novels by Plot #2 | 0 | - | 4.86 | 38,565 |
| Literature by Letter - A | 0 | - | 4.24 | 32,347 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,403 |
| Literature by Letter - D | 0 | - | 4.29 | 20,951 |
| Literature by Letter - C | 0 | - | 4.34 | 26,899 |
| Literature by Letter - F | 0 | - | 4.26 | 17,537 |
| Literature by Letter - E | 0 | - | 4.05 | 15,424 |
| Literature by Letter - H | 0 | - | 4.29 | 20,498 |
| Literature by Letter - I | 0 | - | 4.27 | 17,796 |
| Literature by Letter - L | 0 | - | 4.32 | 23,494 |
| Literature by Letter - M | 0 | - | 4.18 | 18,916 |
| Literature by Letter - P | 0 | - | 4.18 | 17,043 |
| Literature by Letter - O | 0 | - | 4.30 | 13,788 |
| Literature by Letter - J | 0 | - | 4.23 | 15,150 |
| Literature by Letter - K | 0 | - | 4.13 | 12,580 |
| Literature by Letter - R | 0 | - | 4.06 | 12,162 |
| Literature by Letter - T | 0 | - | 4.33 | 18,794 |
| Literature by Letter - U | 0 | - | 4.20 | 13,344 |
| Literature by Letter - V | 0 | - | 4.06 | 11,983 |
| Literature by Letter - W | 0 | - | 4.15 | 13,736 |
| Geography by Letter - T | 0 | - | 4.84 | 155,108 |
| Authors with Books Turned into Movies | 0 | - | 4.45 | 63,167 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.87 | 82,999 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 108,849 |
| Southernmost Countries A-Z | 0 | - | 4.95 | 154,106 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 196,662 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 170,907 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 193,932 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 301,957 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 181,246 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 73,484 |
| Famous Literary Characters | 0 | - | 4.38 | 36,796 |
| Charlie and the Chocolate Factory | 0 | - | 4.45 | 16,395 |
| Literature Multiple Choice #1 | 0 | - | 4.51 | 41,059 |
| Literature Multiple Choice #2 | 0 | - | 4.45 | 34,707 |
| Books by Plot Description | 0 | - | 4.55 | 26,996 |
| Classic Novels by Plot #1 | 0 | - | 4.40 | 73,883 |
| Who Wrote That Book #2 | 0 | - | 4.47 | 48,216 |
| 100 Books You Can't Do Without | 0 | - | 4.49 | 64,517 |
| Who Wrote That Book #1 | 0 | - | 4.46 | 103,808 |
| Literature by Letter - G | 0 | - | 3.91 | 14,877 |
| Literature by Letter - S | 0 | - | 3.94 | 12,163 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 238,608 |
| Name an Official Language A-Z | 0 | - | 4.91 | 176,943 |
| Book Titles by Synonyms #1 | 0 | - | 4.54 | 76,327 |
| Ultimate Percy Jackson Characters Quiz | 0 | - | 4.49 | 45,447 |
| NATO Military Alphabet | 0 | - | 4.98 | 564,197 |
| Religion A-Z #2 | 0 | - | 4.41 | 37,120 |
| Geography by Letter - A | 0 | - | 4.74 | 212,762 |
| Geography by Letter - B | 0 | - | 4.56 | 185,748 |
| Geography by Letter - H | 0 | - | 4.69 | 151,219 |
| Geography by Letter - C | 0 | - | 4.48 | 159,660 |
| Geography by Letter - D | 0 | - | 4.50 | 151,646 |
| Geography by Letter - E | 0 | - | 4.42 | 148,476 |
| Geography by Letter - I | 0 | - | 4.42 | 122,720 |
| Geography by Letter - K | 0 | - | 4.54 | 119,053 |
| Geography by Letter - L | 0 | - | 4.44 | 149,553 |
| Geography by Letter - M | 0 | - | 4.49 | 119,557 |
| Geography by Letter - N | 0 | - | 4.51 | 127,913 |
| Geography by Letter - P | 0 | - | 4.47 | 176,866 |
| Geography by Letter - R | 0 | - | 4.43 | 132,603 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 141,429 |
| Geography by Letter - U | 0 | - | 4.52 | 143,911 |
| Asian Geography By Letter - K | 0 | - | 4.75 | 58,355 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,560 |
| Geography A-Z #2 | 0 | - | 4.46 | 53,143 |
| Geography A-Z #5 | 0 | - | 4.44 | 37,506 |
| Empires A-Z | 0 | - | 4.52 | 45,450 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,819 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,601 |
| Movies that Start with G | 0 | - | 4.49 | 68,809 |
| Movies that Start with I | 0 | - | 4.41 | 65,412 |
| History by Letter - A | 0 | - | 4.51 | 153,869 |
| History by Letter - B | 0 | - | 4.45 | 173,255 |
| History by Letter - C | 0 | - | 4.70 | 172,610 |
| History by Letter - E | 0 | - | 4.51 | 141,468 |
| History by Letter - G | 0 | - | 4.46 | 122,879 |
| History by Letter - H | 0 | - | 4.45 | 137,554 |
| History by Letter - J | 0 | - | 4.51 | 154,982 |
| History by Letter - N | 0 | - | 4.45 | 104,792 |
| History by Letter - S | 0 | - | 4.47 | 94,965 |
| History by Letter - W | 0 | - | 4.45 | 110,203 |
| History by Letter - M | 0 | - | 4.54 | 120,677 |
| History by Letter - K | 0 | - | 4.50 | 101,991 |
| History by Letter - L | 0 | - | 4.50 | 112,800 |
| History by Letter - I | 0 | - | 4.46 | 105,012 |
| Brand Logos That Start with A | 0 | - | 4.52 | 71,153 |
| Authors of Children's Books | 0 | - | 4.24 | 20,049 |
| Books by City | 0 | - | 4.04 | 14,332 |
| Word Puzzles - Book Titles #1 | 0 | - | 4.41 | 27,628 |
| Dewey Decimal System | 0 | - | 4.28 | 13,610 |
| Authors by Country | 0 | - | 4.40 | 32,283 |
| Nonfiction Books Quiz | 0 | - | 4.44 | 22,706 |
| 1984 the Book | 0 | - | 4.61 | 21,099 |
| Winnie-the-Pooh Characters | 0 | - | 4.46 | 28,664 |
| Nursery Rhymes Fill in the Blank | 0 | - | 4.14 | 40,536 |
| Countries by Military Spending | 0 | - | 4.93 | 178,978 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 121,705 |
| "Of Something" Book Titles | 0 | - | 4.45 | 48,269 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,325,388 |
| Animals that Start with L | 0 | - | 4.47 | 102,430 |
| Animals that Start with P | 0 | - | 4.45 | 86,464 |
| Animals that Start with S | 0 | - | 4.49 | 87,667 |
| Geography by Letter on the World Map - B | 0 | - | 4.49 | 91,099 |
| Geography by Letter on the World Map - C | 0 | - | 4.77 | 118,539 |
| World Cities A-Z by Clue #1 | 0 | - | 4.51 | 77,215 |
| Islands A-Z | 0 | - | 4.46 | 127,495 |
| World Cities A-Z by Clue #2 | 0 | - | 4.41 | 60,280 |
| Human Body A-Z | 0 | - | 4.51 | 129,645 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 42,985 |
| Africa A-Z | 0 | - | 4.57 | 46,765 |
| Ethnic Groups A-Z | 0 | - | 4.51 | 42,504 |
| People in History A-Z #1 | 0 | - | 4.63 | 99,690 |
| People in History A-Z #2 | 0 | - | 4.47 | 55,462 |
| People in History A-Z #3 | 0 | - | 4.44 | 46,437 |
| Books by Clue #2 | 0 | - | 4.43 | 26,773 |
| Sci-Fi and Fantasy Authors | 0 | - | 4.43 | 17,629 |
| Disney A-Z | 0 | - | 4.37 | 87,482 |
| Companies A-Z | 0 | - | 4.30 | 42,774 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,742 |
| Geography by Letter - G | 0 | - | 4.33 | 127,026 |
| Geography by Letter - F | 0 | - | 4.28 | 138,733 |
| Geography by Letter - J | 0 | - | 4.35 | 123,619 |
| Geography by Letter - O | 0 | - | 4.37 | 130,438 |
| Geography by Letter - V | 0 | - | 4.39 | 122,559 |
| Geography by Letter - W | 0 | - | 4.39 | 115,445 |
| Geography by Letter - Y | 0 | - | 4.39 | 112,139 |
| Geography by Letter - Z | 0 | - | 4.11 | 82,148 |
| Geography by Letter - Q | 0 | - | 4.38 | 70,035 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.15 | 35,375 |
| Video Games A-Z | 0 | - | 4.05 | 39,242 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,397 |
| Movies that Start with A | 0 | - | 4.13 | 62,134 |
| Movies that Start with C | 0 | - | 4.30 | 62,130 |
| Movies that Start with B | 0 | - | 4.36 | 85,695 |
| Movies that Start with D | 0 | - | 4.34 | 68,658 |
| Movies that Start with E | 0 | - | 4.13 | 68,594 |
| Movies that Start with J | 0 | - | 4.18 | 76,410 |
| Movies that Start with L | 0 | - | 4.16 | 60,597 |
| Movies that Start with M | 0 | - | 4.28 | 48,397 |
| Movies that Start with N | 0 | - | 4.02 | 41,396 |
| Movies that Start with P | 0 | - | 4.25 | 54,288 |
| Movies that Start with R | 0 | - | 4.17 | 46,811 |
| Movies that Start with W | 0 | - | 4.07 | 44,373 |
| Movies that Start with T | 0 | - | 4.34 | 49,457 |
| Movies that Start with S | 0 | - | 4.35 | 56,636 |
| Movies that Start with F | 0 | - | 4.13 | 69,081 |
| History by Letter - D | 0 | - | 4.40 | 138,561 |
| History by Letter - F | 0 | - | 4.19 | 115,073 |
| History by Letter - O | 0 | - | 4.32 | 100,273 |
| History by Letter - P | 0 | - | 4.36 | 108,465 |
| History by Letter - Q | 0 | - | 4.34 | 80,792 |
| History by Letter - R | 0 | - | 4.26 | 122,805 |
| History by Letter - T | 0 | - | 4.39 | 105,798 |
| History by Letter - U | 0 | - | 4.19 | 101,312 |
| History by Letter - V | 0 | - | 4.27 | 81,210 |
| History by Letter - Y | 0 | - | 4.27 | 87,717 |
| History by Letter - Z | 0 | - | 4.20 | 77,443 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,340 |
| Music by Letter - F | 0 | - | 4.47 | 27,133 |
| Music by Letter - A | 0 | - | 4.61 | 31,526 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,645 |
| Brand Logos That Start With D | 0 | - | 4.36 | 62,184 |
| Brand Logos That Start With C | 0 | - | 4.20 | 50,117 |
| Brand Logos That Start With L | 0 | - | 4.39 | 61,892 |
| Brand Logos That Start With M | 0 | - | 4.38 | 63,518 |
| Brand Logos That Start With S | 0 | - | 4.37 | 58,286 |
| Word Puzzles - Book Titles #2 | 0 | - | 4.38 | 21,925 |
| Famous Literature Fractured | 0 | - | 4.05 | 9,788 |
| The 100 Greatest Novels | 0 | - | 3.74 | 41,923 |
| Bestselling Authors | 0 | - | 4.10 | 19,032 |
| Characters from Books #2 | 0 | - | 4.42 | 80,135 |
| Nursery Rhymes #2 | 0 | - | 4.22 | 15,496 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 158,485 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 67,449 |
| Middle East A-Z | 0 | - | 4.47 | 46,236 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.46 | 44,549 |
| 20th Century A-Z | 0 | - | 4.50 | 53,979 |
| 19th Century A-Z | 0 | - | 4.77 | 47,466 |
| 18th Century A-Z | 0 | - | 4.54 | 43,324 |
| Modern Library's 100 Best Novels | 0 | - | 3.93 | 11,511 |
| Books by Clue #1 | 0 | - | 4.36 | 25,851 |
| Literary Groups of Things | 0 | - | 4.27 | 30,719 |
| 5-Letter Literature Chain | 0 | - | 4.29 | 54,973 |
| 4-Letter Literature Chain | 0 | - | 4.39 | 42,508 |
| Hunger Games Trivia | 0 | - | 4.22 | 53,559 |
| The Hunger Games Districts Quiz | 0 | - | 4.21 | 31,962 |
| Top Arms Exporting Countries | 0 | - | 4.97 | 105,069 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 183,977 |
| Star Wars A-Z | 0 | - | 4.46 | 88,850 |
| Monarchies of the World | 0 | - | 4.94 | 170,169 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.92 | 113,797 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 113,067 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 115,195 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 75,581 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.79 | 804,992 |
| Astronomy Quiz | 0 | - | 4.90 | 83,261 |
| Google What's the Difference? - Animals | 0 | - | 4.93 | 93,089 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.91 | 66,182 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,939 |
