| Classic Novels by Plot #2 | 0 | - | 4.87 | 37,540 |
| Literature by Letter - A | 0 | - | 4.23 | 31,768 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,071 |
| Literature by Letter - D | 0 | - | 4.30 | 20,467 |
| Literature by Letter - C | 0 | - | 4.34 | 26,394 |
| Literature by Letter - F | 0 | - | 4.26 | 17,089 |
| Literature by Letter - E | 0 | - | 4.03 | 14,975 |
| Literature by Letter - H | 0 | - | 4.23 | 18,010 |
| Literature by Letter - I | 0 | - | 4.25 | 15,152 |
| Literature by Letter - L | 0 | - | 4.32 | 23,147 |
| Literature by Letter - M | 0 | - | 4.18 | 18,547 |
| Literature by Letter - P | 0 | - | 4.18 | 16,675 |
| Literature by Letter - O | 0 | - | 4.30 | 13,471 |
| Literature by Letter - J | 0 | - | 4.23 | 14,752 |
| Literature by Letter - N | 0 | - | 4.24 | 14,243 |
| Literature by Letter - K | 0 | - | 4.13 | 12,233 |
| Literature by Letter - R | 0 | - | 4.06 | 11,827 |
| Literature by Letter - T | 0 | - | 4.37 | 18,496 |
| Literature by Letter - U | 0 | - | 4.20 | 13,044 |
| Literature by Letter - V | 0 | - | 4.06 | 11,679 |
| Literature by Letter - W | 0 | - | 4.15 | 13,433 |
| Geography by Letter - T | 0 | - | 4.84 | 152,484 |
| Authors with Books Turned into Movies | 0 | - | 4.44 | 62,643 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.89 | 81,304 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 106,953 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 152,763 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 193,999 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 169,420 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 190,817 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 299,431 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 179,420 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,186 |
| Famous Literary Characters | 0 | - | 4.38 | 36,329 |
| Charlie and the Chocolate Factory | 0 | - | 4.43 | 16,166 |
| Literature Multiple Choice #1 | 0 | - | 4.50 | 40,598 |
| Literature Multiple Choice #2 | 0 | - | 4.44 | 34,351 |
| Books by Plot Description | 0 | - | 4.54 | 26,412 |
| Classic Novels by Plot #1 | 0 | - | 4.40 | 73,158 |
| Who Wrote That Book #2 | 0 | - | 4.47 | 47,776 |
| 100 Books You Can't Do Without | 0 | - | 4.48 | 63,452 |
| Who Wrote That Book #1 | 0 | - | 4.47 | 103,014 |
| Literature by Letter - G | 0 | - | 3.91 | 14,462 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 234,930 |
| Name an Official Language A-Z | 0 | - | 4.91 | 174,828 |
| Book Titles by Synonyms #1 | 0 | - | 4.54 | 75,636 |
| Ultimate Percy Jackson Characters Quiz | 0 | - | 4.45 | 45,000 |
| NATO Military Alphabet | 0 | - | 4.98 | 554,508 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.81 | 798,072 |
| Geography by Letter - A | 0 | - | 4.74 | 210,163 |
| Geography by Letter - B | 0 | - | 4.56 | 183,322 |
| Geography by Letter - H | 0 | - | 4.69 | 149,324 |
| Geography by Letter - C | 0 | - | 4.47 | 157,609 |
| Geography by Letter - D | 0 | - | 4.50 | 149,543 |
| Geography by Letter - E | 0 | - | 4.42 | 146,688 |
| Geography by Letter - I | 0 | - | 4.42 | 121,239 |
| Geography by Letter - K | 0 | - | 4.53 | 117,365 |
| Geography by Letter - L | 0 | - | 4.43 | 147,660 |
| Geography by Letter - M | 0 | - | 4.49 | 117,665 |
| Geography by Letter - N | 0 | - | 4.51 | 126,278 |
| Geography by Letter - P | 0 | - | 4.47 | 175,196 |
| Geography by Letter - R | 0 | - | 4.43 | 130,390 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 139,656 |
| Geography by Letter - U | 0 | - | 4.54 | 142,115 |
| Asian Geography By Letter - K | 0 | - | 4.74 | 57,990 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,081 |
| Geography A-Z #2 | 0 | - | 4.46 | 52,695 |
| Geography A-Z #5 | 0 | - | 4.47 | 37,194 |
| Empires A-Z | 0 | - | 4.51 | 44,841 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,344 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 124,922 |
| Movies that Start with G | 0 | - | 4.48 | 68,257 |
| Movies that Start with I | 0 | - | 4.41 | 64,904 |
| History by Letter - A | 0 | - | 4.51 | 152,148 |
| History by Letter - B | 0 | - | 4.45 | 171,296 |
| History by Letter - C | 0 | - | 4.69 | 170,361 |
| History by Letter - E | 0 | - | 4.51 | 139,887 |
| History by Letter - G | 0 | - | 4.45 | 121,478 |
| History by Letter - H | 0 | - | 4.45 | 135,902 |
| History by Letter - J | 0 | - | 4.51 | 153,271 |
| History by Letter - N | 0 | - | 4.44 | 103,408 |
| History by Letter - S | 0 | - | 4.47 | 93,695 |
| History by Letter - W | 0 | - | 4.45 | 108,764 |
| History by Letter - M | 0 | - | 4.54 | 119,123 |
| History by Letter - K | 0 | - | 4.50 | 100,845 |
| History by Letter - L | 0 | - | 4.49 | 111,532 |
| History by Letter - I | 0 | - | 4.46 | 103,701 |
| Brand Logos That Start with A | 0 | - | 4.51 | 69,309 |
| Brand Logos That Start With B | 0 | - | 4.41 | 59,226 |
| Brand Logos That Start With M | 0 | - | 4.45 | 61,805 |
| Authors of Children's Books | 0 | - | 4.23 | 19,951 |
| Books by City | 0 | - | 4.04 | 14,199 |
| Word Puzzles - Book Titles #1 | 0 | - | 4.41 | 27,434 |
| Dewey Decimal System | 0 | - | 4.28 | 13,541 |
| Authors by Country | 0 | - | 4.40 | 32,093 |
| Nonfiction Books Quiz | 0 | - | 4.44 | 22,485 |
| 1984 the Book | 0 | - | 4.61 | 20,964 |
| Winnie-the-Pooh Characters | 0 | - | 4.46 | 28,558 |
| Nursery Rhymes Fill in the Blank | 0 | - | 4.14 | 40,385 |
| Countries by Military Spending | 0 | - | 4.93 | 176,452 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 119,733 |
| "Of Something" Book Titles | 0 | - | 4.45 | 47,950 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,305,464 |
| Animals that Start with L | 0 | - | 4.47 | 101,320 |
| Animals that Start with P | 0 | - | 4.45 | 85,701 |
| Animals that Start with S | 0 | - | 4.49 | 86,886 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 89,660 |
| Geography by Letter on the World Map - C | 0 | - | 4.78 | 116,639 |
| World Cities A-Z by Clue #1 | 0 | - | 4.49 | 66,192 |
| Islands A-Z | 0 | - | 4.46 | 116,800 |
| World Cities A-Z by Clue #2 | 0 | - | 4.40 | 57,655 |
| Human Body A-Z | 0 | - | 4.51 | 128,458 |
| Asian Cities A-Z by Clue | 0 | - | 4.51 | 34,360 |
| Animals A-Z #1 | 0 | - | 4.41 | 92,830 |
| Africa A-Z | 0 | - | 4.57 | 46,385 |
| Ethnic Groups A-Z | 0 | - | 4.50 | 42,059 |
| People in History A-Z #1 | 0 | - | 4.63 | 98,626 |
| People in History A-Z #2 | 0 | - | 4.47 | 54,831 |
| People in History A-Z #3 | 0 | - | 4.44 | 45,970 |
| Books by Clue #2 | 0 | - | 4.43 | 26,613 |
| Disney A-Z | 0 | - | 4.37 | 86,558 |
| Companies A-Z | 0 | - | 4.30 | 42,614 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,492 |
| Religion A-Z #2 | 0 | - | 4.40 | 36,823 |
| Geography by Letter - G | 0 | - | 4.35 | 125,503 |
| Geography by Letter - F | 0 | - | 4.27 | 137,082 |
| Geography by Letter - J | 0 | - | 4.34 | 122,192 |
| Geography by Letter - O | 0 | - | 4.37 | 129,021 |
| Geography by Letter - V | 0 | - | 4.39 | 120,923 |
| Geography by Letter - W | 0 | - | 4.39 | 114,223 |
| Geography by Letter - Y | 0 | - | 4.39 | 110,691 |
| Geography by Letter - Z | 0 | - | 4.11 | 81,061 |
| Geography by Letter - Q | 0 | - | 4.38 | 68,898 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.18 | 35,116 |
| Video Games A-Z | 0 | - | 4.08 | 38,714 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,082 |
| Movies that Start with A | 0 | - | 4.13 | 61,647 |
| Movies that Start with C | 0 | - | 4.30 | 61,591 |
| Movies that Start with B | 0 | - | 4.35 | 84,924 |
| Movies that Start with D | 0 | - | 4.34 | 68,227 |
| Movies that Start with E | 0 | - | 4.13 | 68,174 |
| Movies that Start with J | 0 | - | 4.18 | 75,925 |
| Movies that Start with L | 0 | - | 4.16 | 60,229 |
| Movies that Start with M | 0 | - | 4.28 | 48,067 |
| Movies that Start with N | 0 | - | 4.02 | 41,108 |
| Movies that Start with P | 0 | - | 4.25 | 54,003 |
| Movies that Start with R | 0 | - | 4.17 | 46,450 |
| Movies that Start with W | 0 | - | 4.07 | 44,135 |
| Movies that Start with T | 0 | - | 4.33 | 49,121 |
| Movies that Start with S | 0 | - | 4.35 | 56,271 |
| Movies that Start with F | 0 | - | 4.13 | 68,646 |
| History by Letter - D | 0 | - | 4.39 | 136,909 |
| History by Letter - F | 0 | - | 4.18 | 113,713 |
| History by Letter - O | 0 | - | 4.31 | 99,067 |
| History by Letter - P | 0 | - | 4.38 | 107,367 |
| History by Letter - Q | 0 | - | 4.34 | 79,990 |
| History by Letter - R | 0 | - | 4.26 | 121,675 |
| History by Letter - T | 0 | - | 4.39 | 104,896 |
| History by Letter - U | 0 | - | 4.19 | 100,265 |
| History by Letter - V | 0 | - | 4.27 | 80,382 |
| History by Letter - Y | 0 | - | 4.27 | 86,943 |
| History by Letter - Z | 0 | - | 4.18 | 76,748 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,122 |
| Music by Letter - F | 0 | - | 4.48 | 26,836 |
| Music by Letter - A | 0 | - | 4.61 | 31,204 |
| Brand Logos That Start With D | 0 | - | 4.37 | 60,713 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,042 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,224 |
| Brand Logos That Start With S | 0 | - | 4.37 | 56,756 |
| Word Puzzles - Book Titles #2 | 0 | - | 4.38 | 21,786 |
| Famous Literature Fractured | 0 | - | 4.05 | 9,671 |
| The 100 Greatest Novels | 0 | - | 3.71 | 41,676 |
| Bestselling Authors | 0 | - | 4.10 | 18,821 |
| Characters from Books #2 | 0 | - | 4.42 | 79,567 |
| Nursery Rhymes #2 | 0 | - | 4.22 | 15,424 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 155,860 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 66,858 |
| Middle East A-Z | 0 | - | 4.47 | 45,804 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,161 |
| 20th Century A-Z | 0 | - | 4.50 | 53,178 |
| 19th Century A-Z | 0 | - | 4.77 | 46,746 |
| 18th Century A-Z | 0 | - | 4.54 | 42,655 |
| Modern Library's 100 Best Novels | 0 | - | 3.93 | 11,401 |
| Books by Clue #1 | 0 | - | 4.36 | 25,709 |
| Literary Groups of Things | 0 | - | 4.26 | 30,543 |
| 5-Letter Literature Chain | 0 | - | 4.29 | 54,626 |
| 4-Letter Literature Chain | 0 | - | 4.39 | 42,238 |
| Sci-Fi and Fantasy Authors | 0 | - | 4.37 | 14,238 |
| Hunger Games Trivia | 0 | - | 4.22 | 52,879 |
| The Hunger Games Districts Quiz | 0 | - | 4.21 | 31,674 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 85,113 |
| Star Wars A-Z | 0 | - | 4.46 | 87,201 |
| Monarchies of the World | 0 | - | 4.94 | 166,700 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.91 | 111,594 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 110,978 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 113,504 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 74,681 |
| Astronomy Quiz | 0 | - | 4.90 | 81,764 |
| Google What's the Difference? - Animals | 0 | - | 4.93 | 92,444 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.89 | 65,194 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,769 |
