| Classic Novels by Plot #2 | 0 | - | 4.87 | 38,560 |
| 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 | 20,492 |
| Literature by Letter - I | 0 | - | 4.27 | 17,790 |
| Literature by Letter - L | 0 | - | 4.32 | 23,492 |
| Literature by Letter - M | 0 | - | 4.18 | 18,911 |
| Literature by Letter - P | 0 | - | 4.18 | 17,042 |
| Literature by Letter - O | 0 | - | 4.30 | 13,786 |
| Literature by Letter - J | 0 | - | 4.23 | 15,150 |
| Literature by Letter - N | 0 | - | 4.24 | 14,577 |
| Literature by Letter - K | 0 | - | 4.13 | 12,579 |
| Literature by Letter - T | 0 | - | 4.33 | 18,792 |
| Literature by Letter - U | 0 | - | 4.20 | 13,341 |
| Literature by Letter - V | 0 | - | 4.06 | 11,983 |
| Literature by Letter - W | 0 | - | 4.15 | 13,734 |
| Geography by Letter - T | 0 | - | 4.84 | 155,090 |
| Authors with Books Turned into Movies | 0 | - | 4.45 | 63,163 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.87 | 82,994 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 108,835 |
| Southernmost Countries A-Z | 0 | - | 4.95 | 154,095 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 196,653 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 170,902 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 193,920 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 301,945 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 181,238 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 73,482 |
| Famous Literary Characters | 0 | - | 4.38 | 36,793 |
| Charlie and the Chocolate Factory | 0 | - | 4.45 | 16,394 |
| Literature Multiple Choice #1 | 0 | - | 4.51 | 41,059 |
| Literature Multiple Choice #2 | 0 | - | 4.45 | 34,705 |
| Books by Plot Description | 0 | - | 4.55 | 26,992 |
| Classic Novels by Plot #1 | 0 | - | 4.40 | 73,878 |
| Who Wrote That Book #2 | 0 | - | 4.47 | 48,214 |
| 100 Books You Can't Do Without | 0 | - | 4.49 | 64,513 |
| Who Wrote That Book #1 | 0 | - | 4.46 | 103,807 |
| Literature by Letter - G | 0 | - | 3.91 | 14,877 |
| Literature by Letter - S | 0 | - | 3.94 | 12,159 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 238,596 |
| Name an Official Language A-Z | 0 | - | 4.91 | 176,934 |
| Book Titles by Synonyms #1 | 0 | - | 4.54 | 76,321 |
| Ultimate Percy Jackson Characters Quiz | 0 | - | 4.49 | 45,441 |
| NATO Military Alphabet | 0 | - | 4.98 | 564,152 |
| Religion A-Z #2 | 0 | - | 4.41 | 37,120 |
| Geography by Letter - A | 0 | - | 4.74 | 212,751 |
| Geography by Letter - B | 0 | - | 4.56 | 185,734 |
| Geography by Letter - H | 0 | - | 4.69 | 151,205 |
| Geography by Letter - C | 0 | - | 4.48 | 159,650 |
| Geography by Letter - D | 0 | - | 4.50 | 151,635 |
| Geography by Letter - E | 0 | - | 4.42 | 148,466 |
| Geography by Letter - I | 0 | - | 4.42 | 122,710 |
| Geography by Letter - K | 0 | - | 4.54 | 119,043 |
| Geography by Letter - L | 0 | - | 4.44 | 149,543 |
| Geography by Letter - M | 0 | - | 4.49 | 119,546 |
| Geography by Letter - N | 0 | - | 4.51 | 127,905 |
| Geography by Letter - P | 0 | - | 4.47 | 176,854 |
| Geography by Letter - R | 0 | - | 4.43 | 132,592 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 141,413 |
| Geography by Letter - U | 0 | - | 4.52 | 143,900 |
| Asian Geography By Letter - K | 0 | - | 4.75 | 58,352 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,559 |
| Geography A-Z #2 | 0 | - | 4.46 | 53,143 |
| Geography A-Z #5 | 0 | - | 4.44 | 37,505 |
| Empires A-Z | 0 | - | 4.52 | 45,449 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,817 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,599 |
| Movies that Start with G | 0 | - | 4.49 | 68,805 |
| Movies that Start with I | 0 | - | 4.41 | 65,410 |
| History by Letter - A | 0 | - | 4.51 | 153,863 |
| History by Letter - B | 0 | - | 4.45 | 173,251 |
| History by Letter - C | 0 | - | 4.70 | 172,604 |
| History by Letter - E | 0 | - | 4.51 | 141,464 |
| History by Letter - G | 0 | - | 4.46 | 122,873 |
| History by Letter - H | 0 | - | 4.45 | 137,544 |
| History by Letter - J | 0 | - | 4.51 | 154,971 |
| History by Letter - N | 0 | - | 4.45 | 104,786 |
| History by Letter - S | 0 | - | 4.47 | 94,959 |
| History by Letter - W | 0 | - | 4.45 | 110,195 |
| History by Letter - M | 0 | - | 4.54 | 120,667 |
| History by Letter - K | 0 | - | 4.50 | 101,980 |
| History by Letter - L | 0 | - | 4.50 | 112,795 |
| History by Letter - I | 0 | - | 4.46 | 105,007 |
| Brand Logos That Start with A | 0 | - | 4.52 | 71,146 |
| Authors of Children's Books | 0 | - | 4.24 | 20,046 |
| Books by City | 0 | - | 4.04 | 14,331 |
| Word Puzzles - Book Titles #1 | 0 | - | 4.41 | 27,628 |
| Dewey Decimal System | 0 | - | 4.28 | 13,610 |
| Authors by Country | 0 | - | 4.40 | 32,280 |
| 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 | 40,533 |
| Countries by Military Spending | 0 | - | 4.93 | 178,972 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 121,699 |
| "Of Something" Book Titles | 0 | - | 4.45 | 48,264 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,325,263 |
| Animals that Start with L | 0 | - | 4.47 | 102,427 |
| Animals that Start with P | 0 | - | 4.45 | 86,460 |
| Animals that Start with S | 0 | - | 4.49 | 87,661 |
| Geography by Letter on the World Map - B | 0 | - | 4.49 | 91,089 |
| Geography by Letter on the World Map - C | 0 | - | 4.77 | 118,523 |
| World Cities A-Z by Clue #1 | 0 | - | 4.51 | 77,072 |
| Islands A-Z | 0 | - | 4.46 | 127,455 |
| World Cities A-Z by Clue #2 | 0 | - | 4.41 | 60,267 |
| Human Body A-Z | 0 | - | 4.51 | 129,635 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 42,977 |
| Africa A-Z | 0 | - | 4.57 | 46,763 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.70 | 58,213 |
| Ethnic Groups A-Z | 0 | - | 4.51 | 42,503 |
| People in History A-Z #1 | 0 | - | 4.63 | 99,686 |
| People in History A-Z #2 | 0 | - | 4.47 | 55,461 |
| People in History A-Z #3 | 0 | - | 4.44 | 46,435 |
| Books by Clue #2 | 0 | - | 4.43 | 26,771 |
| Sci-Fi and Fantasy Authors | 0 | - | 4.43 | 17,627 |
| Disney A-Z | 0 | - | 4.37 | 87,480 |
| Companies A-Z | 0 | - | 4.30 | 42,770 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,742 |
| Geography by Letter - G | 0 | - | 4.33 | 127,017 |
| Geography by Letter - F | 0 | - | 4.28 | 138,728 |
| Geography by Letter - J | 0 | - | 4.35 | 123,612 |
| Geography by Letter - O | 0 | - | 4.37 | 130,424 |
| Geography by Letter - V | 0 | - | 4.39 | 122,546 |
| Geography by Letter - W | 0 | - | 4.39 | 115,437 |
| Geography by Letter - Y | 0 | - | 4.39 | 112,132 |
| Geography by Letter - Z | 0 | - | 4.11 | 82,140 |
| Geography by Letter - Q | 0 | - | 4.38 | 70,026 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.15 | 35,374 |
| Video Games A-Z | 0 | - | 4.05 | 39,240 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,396 |
| Movies that Start with A | 0 | - | 4.13 | 62,132 |
| Movies that Start with C | 0 | - | 4.30 | 62,125 |
| Movies that Start with B | 0 | - | 4.36 | 85,690 |
| Movies that Start with D | 0 | - | 4.34 | 68,657 |
| Movies that Start with E | 0 | - | 4.13 | 68,590 |
| Movies that Start with J | 0 | - | 4.18 | 76,407 |
| Movies that Start with L | 0 | - | 4.16 | 60,594 |
| Movies that Start with M | 0 | - | 4.28 | 48,392 |
| Movies that Start with N | 0 | - | 4.02 | 41,387 |
| Movies that Start with P | 0 | - | 4.25 | 54,285 |
| Movies that Start with R | 0 | - | 4.17 | 46,809 |
| Movies that Start with W | 0 | - | 4.07 | 44,371 |
| Movies that Start with T | 0 | - | 4.34 | 49,457 |
| Movies that Start with S | 0 | - | 4.35 | 56,633 |
| Movies that Start with F | 0 | - | 4.13 | 69,077 |
| History by Letter - D | 0 | - | 4.40 | 138,552 |
| History by Letter - F | 0 | - | 4.19 | 115,068 |
| History by Letter - O | 0 | - | 4.32 | 100,267 |
| History by Letter - P | 0 | - | 4.36 | 108,456 |
| History by Letter - Q | 0 | - | 4.34 | 80,788 |
| History by Letter - R | 0 | - | 4.26 | 122,800 |
| History by Letter - T | 0 | - | 4.39 | 105,796 |
| History by Letter - U | 0 | - | 4.19 | 101,305 |
| History by Letter - V | 0 | - | 4.27 | 81,206 |
| History by Letter - Y | 0 | - | 4.27 | 87,714 |
| History by Letter - Z | 0 | - | 4.20 | 77,440 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,337 |
| Music by Letter - F | 0 | - | 4.47 | 27,130 |
| Music by Letter - A | 0 | - | 4.61 | 31,525 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,633 |
| Brand Logos That Start With D | 0 | - | 4.36 | 62,175 |
| Brand Logos That Start With C | 0 | - | 4.20 | 50,110 |
| Brand Logos That Start With L | 0 | - | 4.39 | 61,887 |
| Brand Logos That Start With M | 0 | - | 4.38 | 63,511 |
| Brand Logos That Start With S | 0 | - | 4.37 | 58,276 |
| Word Puzzles - Book Titles #2 | 0 | - | 4.38 | 21,925 |
| Famous Literature Fractured | 0 | - | 4.05 | 9,787 |
| The 100 Greatest Novels | 0 | - | 3.74 | 41,923 |
| Bestselling Authors | 0 | - | 4.10 | 19,032 |
| Characters from Books #2 | 0 | - | 4.42 | 80,132 |
| Nursery Rhymes #2 | 0 | - | 4.22 | 15,495 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 158,474 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 67,444 |
| Middle East A-Z | 0 | - | 4.47 | 46,235 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.46 | 44,548 |
| 20th Century A-Z | 0 | - | 4.50 | 53,975 |
| 19th Century A-Z | 0 | - | 4.77 | 47,463 |
| 18th Century A-Z | 0 | - | 4.54 | 43,323 |
| Modern Library's 100 Best Novels | 0 | - | 3.93 | 11,511 |
| Books by Clue #1 | 0 | - | 4.36 | 25,850 |
| Literary Groups of Things | 0 | - | 4.27 | 30,719 |
| 5-Letter Literature Chain | 0 | - | 4.29 | 54,970 |
| 4-Letter Literature Chain | 0 | - | 4.39 | 42,505 |
| Hunger Games Trivia | 0 | - | 4.22 | 53,557 |
| The Hunger Games Districts Quiz | 0 | - | 4.21 | 31,962 |
| Top Arms Exporting Countries | 0 | - | 4.97 | 104,966 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 183,941 |
| Star Wars A-Z | 0 | - | 4.46 | 88,839 |
| Monarchies of the World | 0 | - | 4.94 | 170,154 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.92 | 113,790 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 113,052 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 115,189 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 75,577 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.79 | 804,950 |
| Astronomy Quiz | 0 | - | 4.90 | 83,248 |
| Google What's the Difference? - Animals | 0 | - | 4.93 | 93,085 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.91 | 66,177 |
