| Classic Novels by Plot #2 | 0 | - | 4.87 | 37,859 |
| Literature by Letter - A | 0 | - | 4.23 | 31,911 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,156 |
| Literature by Letter - D | 0 | - | 4.30 | 20,586 |
| Literature by Letter - C | 0 | - | 4.34 | 26,529 |
| Literature by Letter - F | 0 | - | 4.26 | 17,199 |
| Literature by Letter - E | 0 | - | 4.03 | 15,077 |
| Literature by Letter - H | 0 | - | 4.23 | 18,105 |
| Literature by Letter - I | 0 | - | 4.25 | 15,246 |
| Literature by Letter - L | 0 | - | 4.32 | 23,241 |
| Literature by Letter - P | 0 | - | 4.18 | 16,767 |
| Literature by Letter - O | 0 | - | 4.30 | 13,556 |
| Literature by Letter - J | 0 | - | 4.23 | 14,854 |
| Literature by Letter - N | 0 | - | 4.24 | 14,335 |
| Literature by Letter - K | 0 | - | 4.13 | 12,314 |
| Literature by Letter - R | 0 | - | 4.06 | 11,918 |
| Literature by Letter - T | 0 | - | 4.37 | 18,576 |
| Literature by Letter - U | 0 | - | 4.20 | 13,116 |
| Literature by Letter - V | 0 | - | 4.06 | 11,757 |
| Literature by Letter - W | 0 | - | 4.15 | 13,507 |
| Geography by Letter - T | 0 | - | 4.84 | 153,592 |
| Authors with Books Turned into Movies | 0 | - | 4.45 | 62,831 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.89 | 82,008 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 107,707 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 153,176 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 195,068 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 169,852 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 191,696 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 300,174 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 179,983 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,584 |
| Famous Literary Characters | 0 | - | 4.38 | 36,482 |
| Charlie and the Chocolate Factory | 0 | - | 4.43 | 16,231 |
| Literature Multiple Choice #1 | 0 | - | 4.51 | 40,771 |
| Literature Multiple Choice #2 | 0 | - | 4.45 | 34,483 |
| Books by Plot Description | 0 | - | 4.55 | 26,611 |
| Classic Novels by Plot #1 | 0 | - | 4.40 | 73,391 |
| Who Wrote That Book #2 | 0 | - | 4.47 | 47,883 |
| 100 Books You Can't Do Without | 0 | - | 4.49 | 64,029 |
| Who Wrote That Book #1 | 0 | - | 4.47 | 103,194 |
| Literature by Letter - G | 0 | - | 3.91 | 14,554 |
| Literature by Letter - S | 0 | - | 3.94 | 11,920 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 236,235 |
| Name an Official Language A-Z | 0 | - | 4.91 | 175,643 |
| Book Titles by Synonyms #1 | 0 | - | 4.54 | 75,808 |
| Ultimate Percy Jackson Characters Quiz | 0 | - | 4.49 | 45,137 |
| NATO Military Alphabet | 0 | - | 4.98 | 558,115 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.81 | 801,073 |
| Religion A-Z #2 | 0 | - | 4.41 | 36,963 |
| Geography by Letter - A | 0 | - | 4.74 | 211,366 |
| Geography by Letter - B | 0 | - | 4.56 | 184,417 |
| Geography by Letter - H | 0 | - | 4.69 | 150,141 |
| Geography by Letter - C | 0 | - | 4.47 | 158,508 |
| Geography by Letter - D | 0 | - | 4.50 | 150,372 |
| Geography by Letter - E | 0 | - | 4.42 | 147,450 |
| Geography by Letter - I | 0 | - | 4.42 | 121,881 |
| Geography by Letter - K | 0 | - | 4.53 | 117,978 |
| Geography by Letter - L | 0 | - | 4.43 | 148,364 |
| Geography by Letter - M | 0 | - | 4.49 | 118,499 |
| Geography by Letter - N | 0 | - | 4.51 | 126,924 |
| Geography by Letter - P | 0 | - | 4.47 | 175,878 |
| Geography by Letter - R | 0 | - | 4.43 | 131,441 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 140,392 |
| Geography by Letter - U | 0 | - | 4.53 | 142,894 |
| Asian Geography By Letter - K | 0 | - | 4.74 | 58,108 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,272 |
| Geography A-Z #2 | 0 | - | 4.46 | 52,857 |
| Geography A-Z #5 | 0 | - | 4.47 | 37,319 |
| Empires A-Z | 0 | - | 4.52 | 45,084 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,522 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,130 |
| Movies that Start with G | 0 | - | 4.49 | 68,461 |
| Movies that Start with I | 0 | - | 4.41 | 65,100 |
| History by Letter - A | 0 | - | 4.51 | 152,776 |
| History by Letter - B | 0 | - | 4.45 | 172,006 |
| History by Letter - C | 0 | - | 4.70 | 171,284 |
| History by Letter - E | 0 | - | 4.51 | 140,461 |
| History by Letter - G | 0 | - | 4.46 | 121,972 |
| History by Letter - H | 0 | - | 4.45 | 136,431 |
| History by Letter - J | 0 | - | 4.51 | 153,885 |
| History by Letter - N | 0 | - | 4.45 | 103,990 |
| History by Letter - S | 0 | - | 4.47 | 94,287 |
| History by Letter - W | 0 | - | 4.45 | 109,233 |
| History by Letter - M | 0 | - | 4.54 | 119,743 |
| History by Letter - K | 0 | - | 4.50 | 101,269 |
| History by Letter - L | 0 | - | 4.50 | 111,997 |
| History by Letter - I | 0 | - | 4.46 | 104,116 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,022 |
| Brand Logos That Start With M | 0 | - | 4.45 | 62,492 |
| Authors of Children's Books | 0 | - | 4.23 | 19,979 |
| Books by City | 0 | - | 4.04 | 14,245 |
| Word Puzzles - Book Titles #1 | 0 | - | 4.41 | 27,515 |
| Dewey Decimal System | 0 | - | 4.28 | 13,568 |
| Authors by Country | 0 | - | 4.40 | 32,157 |
| Nonfiction Books Quiz | 0 | - | 4.44 | 22,549 |
| 1984 the Book | 0 | - | 4.61 | 21,014 |
| Winnie-the-Pooh Characters | 0 | - | 4.46 | 28,603 |
| Nursery Rhymes Fill in the Blank | 0 | - | 4.14 | 40,454 |
| Countries by Military Spending | 0 | - | 4.93 | 177,296 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 120,356 |
| "Of Something" Book Titles | 0 | - | 4.45 | 48,074 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,313,230 |
| Animals that Start with L | 0 | - | 4.47 | 101,766 |
| Animals that Start with P | 0 | - | 4.45 | 86,007 |
| Animals that Start with S | 0 | - | 4.49 | 87,210 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 90,216 |
| Geography by Letter on the World Map - C | 0 | - | 4.79 | 117,290 |
| World Cities A-Z by Clue #1 | 0 | - | 4.50 | 67,860 |
| Islands A-Z | 0 | - | 4.45 | 120,105 |
| Human Body A-Z | 0 | - | 4.51 | 129,013 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 35,370 |
| Animals A-Z #1 | 0 | - | 4.41 | 93,151 |
| Africa A-Z | 0 | - | 4.57 | 46,559 |
| Ethnic Groups A-Z | 0 | - | 4.51 | 42,216 |
| People in History A-Z #1 | 0 | - | 4.63 | 98,917 |
| People in History A-Z #2 | 0 | - | 4.47 | 55,041 |
| People in History A-Z #3 | 0 | - | 4.44 | 46,131 |
| Books by Clue #2 | 0 | - | 4.43 | 26,664 |
| Disney A-Z | 0 | - | 4.37 | 86,943 |
| Companies A-Z | 0 | - | 4.30 | 42,678 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,596 |
| Geography by Letter - G | 0 | - | 4.35 | 126,154 |
| Geography by Letter - F | 0 | - | 4.27 | 137,716 |
| Geography by Letter - J | 0 | - | 4.34 | 122,777 |
| Geography by Letter - O | 0 | - | 4.37 | 129,618 |
| Geography by Letter - V | 0 | - | 4.39 | 121,594 |
| Geography by Letter - W | 0 | - | 4.39 | 114,728 |
| Geography by Letter - Y | 0 | - | 4.39 | 111,255 |
| Geography by Letter - Z | 0 | - | 4.11 | 81,540 |
| Geography by Letter - Q | 0 | - | 4.38 | 69,379 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.15 | 35,220 |
| Video Games A-Z | 0 | - | 4.08 | 38,912 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,206 |
| Movies that Start with A | 0 | - | 4.13 | 61,817 |
| Movies that Start with C | 0 | - | 4.30 | 61,784 |
| Movies that Start with B | 0 | - | 4.36 | 85,142 |
| Movies that Start with D | 0 | - | 4.34 | 68,386 |
| Movies that Start with E | 0 | - | 4.13 | 68,315 |
| Movies that Start with J | 0 | - | 4.18 | 76,097 |
| Movies that Start with L | 0 | - | 4.16 | 60,370 |
| Movies that Start with M | 0 | - | 4.28 | 48,183 |
| Movies that Start with N | 0 | - | 4.02 | 41,219 |
| Movies that Start with P | 0 | - | 4.25 | 54,119 |
| Movies that Start with R | 0 | - | 4.17 | 46,595 |
| Movies that Start with W | 0 | - | 4.07 | 44,232 |
| Movies that Start with T | 0 | - | 4.34 | 49,251 |
| Movies that Start with S | 0 | - | 4.35 | 56,422 |
| Movies that Start with F | 0 | - | 4.13 | 68,795 |
| History by Letter - D | 0 | - | 4.39 | 137,436 |
| History by Letter - F | 0 | - | 4.18 | 114,137 |
| History by Letter - O | 0 | - | 4.32 | 99,433 |
| History by Letter - P | 0 | - | 4.39 | 107,770 |
| History by Letter - Q | 0 | - | 4.34 | 80,273 |
| History by Letter - R | 0 | - | 4.26 | 122,104 |
| History by Letter - T | 0 | - | 4.39 | 105,208 |
| History by Letter - U | 0 | - | 4.19 | 100,726 |
| History by Letter - V | 0 | - | 4.27 | 80,704 |
| History by Letter - Y | 0 | - | 4.27 | 87,215 |
| History by Letter - Z | 0 | - | 4.20 | 76,991 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,212 |
| Music by Letter - F | 0 | - | 4.48 | 26,960 |
| Music by Letter - A | 0 | - | 4.61 | 31,333 |
| Brand Logos That Start With B | 0 | - | 4.38 | 59,785 |
| Brand Logos That Start With D | 0 | - | 4.37 | 61,328 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,481 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,884 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,361 |
| Word Puzzles - Book Titles #2 | 0 | - | 4.38 | 21,840 |
| Famous Literature Fractured | 0 | - | 4.05 | 9,710 |
| The 100 Greatest Novels | 0 | - | 3.72 | 41,753 |
| Bestselling Authors | 0 | - | 4.10 | 18,879 |
| Characters from Books #2 | 0 | - | 4.42 | 79,812 |
| Nursery Rhymes #2 | 0 | - | 4.22 | 15,444 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 156,756 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 67,057 |
| Middle East A-Z | 0 | - | 4.47 | 45,965 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,296 |
| 20th Century A-Z | 0 | - | 4.50 | 53,615 |
| 19th Century A-Z | 0 | - | 4.77 | 47,194 |
| 18th Century A-Z | 0 | - | 4.54 | 43,083 |
| Modern Library's 100 Best Novels | 0 | - | 3.93 | 11,434 |
| Books by Clue #1 | 0 | - | 4.36 | 25,756 |
| Literary Groups of Things | 0 | - | 4.26 | 30,609 |
| 5-Letter Literature Chain | 0 | - | 4.29 | 54,742 |
| 4-Letter Literature Chain | 0 | - | 4.39 | 42,336 |
| Sci-Fi and Fantasy Authors | 0 | - | 4.37 | 14,276 |
| Hunger Games Trivia | 0 | - | 4.22 | 53,154 |
| The Hunger Games Districts Quiz | 0 | - | 4.21 | 31,779 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 90,571 |
| Star Wars A-Z | 0 | - | 4.46 | 87,999 |
| Monarchies of the World | 0 | - | 4.94 | 167,923 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.92 | 112,301 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 111,532 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 114,045 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 74,969 |
| Astronomy Quiz | 0 | - | 4.90 | 82,337 |
| Google What's the Difference? - Animals | 0 | - | 4.93 | 92,710 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.91 | 65,529 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,202 |
| Musical Acts by Letter - J | 0 | - | 4.17 | 77,391 |
